Seattle, known for its iconic Space Needle and stunning natural beauty, offers a unique blend of urban living and outdoor adventures. While the city is famous for its rainy season, it also experiences a variety of weather patterns throughout the year. This article provides a comprehensive overview of Seattle's monthly weather, helping you plan your visit or adjust your wardrobe accordingly.
Seattle's weather is influenced by its location in the Pacific Northwest, with the Olympic Mountains to the west and the Cascade Range to the east. The city enjoys a temperate climate, with mild winters and warm summers. However, it is prone to frequent rainfall, especially during the winter months.
Seattle's weather patterns can be broadly categorized into four seasons: spring, summer, autumn, and winter. Each season brings its own distinct charm and activities, making the city an attractive destination year-round.
monthly seattle weather
Seattle's weather is characterized by mild winters, warm summers, and frequent rainfall.
- Mild winters
- Warm summers
- Frequent rainfall
- Wettest months: October - March
- Driest months: July - September
- Average annual precipitation: 38 inches
- Moderate humidity
- Four distinct seasons
Seattle's weather can be unpredictable, so it's always a good idea to pack a raincoat or umbrella, regardless of the season.
Mild winters
Seattle's winters are known for being mild and temperate, with average temperatures ranging from 36°F (2°C) to 46°F (8°C).
- Rare snowfall:
While Seattle does experience occasional snowfall, it rarely accumulates and usually melts quickly. This means you can still enjoy outdoor activities like walking, running, and cycling throughout the winter months.
- Rainy season:
The winter months (November to March) are Seattle's wettest, with frequent rainfall. However, the rain is often light and intermittent, allowing for breaks of sunshine in between.
- Mild temperatures:
Even on the coldest days, temperatures rarely drop below freezing, making Seattle's winters much more bearable compared to other parts of the country.
- Outdoor activities:
Despite the rain, there are still plenty of outdoor activities to enjoy in Seattle during the winter months. You can visit the city's many parks, go for walks along the waterfront, or explore the nearby mountains.
Overall, Seattle's mild winters offer a great opportunity to experience the city's natural beauty without having to endure harsh cold weather.
Warm summers
Seattle's summers are characterized by warm, dry weather, with average temperatures ranging from 60°F (16°C) to 75°F (24°C). The city enjoys long daylight hours, with the sun rising early and setting late.
Here are some details about Seattle's warm summers:
Moderate humidity: Unlike many other cities in the United States, Seattle's summers are relatively dry, with moderate humidity levels. This makes the heat more bearable and comfortable.
Clear skies: Seattle experiences an average of 220 sunny days per year, with the summer months being the sunniest. This means you can enjoy outdoor activities and soak up the vitamin D.
Outdoor activities: Seattle's warm summers provide the perfect opportunity to explore the city's many outdoor attractions. You can go hiking, biking, kayaking, or simply relax in one of the city's many parks.
Summer festivals: Seattle comes alive during the summer months, with a variety of festivals and events taking place throughout the city. These festivals celebrate everything from music and art to food and culture.
Overall, Seattle's warm summers offer a great time to visit the city and experience its vibrant atmosphere and outdoor activities.
Frequent rainfall
Seattle is known for its frequent rainfall, with an average annual precipitation of 38 inches. The rainy season typically lasts from October to March, with November and December being the wettest months.
Here are some details about Seattle's frequent rainfall:
Light and intermittent: While Seattle receives a significant amount of rain, it often falls in light and intermittent showers. This means you can still enjoy outdoor activities, as the rain usually doesn't last long.
Drizzle: Seattle is also known for its drizzle, which is a light, misty rain that can sometimes last for hours. While drizzle can be annoying, it's not usually heavy enough to prevent you from going about your day.
Rain gear: It's always a good idea to carry an umbrella or raincoat when you're in Seattle, even during the summer months. This way, you'll be prepared for any unexpected showers.
Green city: The frequent rainfall contributes to Seattle's lush greenery and beautiful natural surroundings. The city is home to many parks, gardens, and forests, which are perfect for exploring on a rainy day.
Overall, Seattle's frequent rainfall is part of what makes the city unique and charming. It's important to be prepared for rain when visiting Seattle, but don't let it deter you from exploring this vibrant city.
Wettest months: October - March
The wettest months in Seattle are October through March, with November and December being the rainiest. During these months, the city receives an average of 5 to 7 inches of rain per month.
Here are some details about Seattle's wettest months:
Atmospheric rivers: Seattle's wettest months often coincide with the arrival of atmospheric rivers, which are long, narrow bands of moisture that originate over the Pacific Ocean. These atmospheric rivers can dump large amounts of rain on the city in a short period of time.
Flooding: Heavy rainfall can sometimes lead to flooding in low-lying areas of Seattle. It's important to be aware of the risk of flooding if you're visiting the city during the wettest months.
Landslides: The combination of heavy rain and steep terrain can also lead to landslides in the Seattle area. Be cautious when hiking or driving in mountainous areas during the wettest months.
Indoor activities: If you're visiting Seattle during the wettest months, there are still plenty of indoor activities to enjoy. You can visit the city's many museums, art galleries, and theaters. You can also take advantage of the city's vibrant coffee shop scene.
Overall, Seattle's wettest months can be a challenging time to visit, but it's still possible to enjoy the city if you're prepared for the rain. Be sure to pack a raincoat or umbrella, and consider bringing a pair of waterproof boots as well.
Driest months: July - September
The driest months in Seattle are July through September, with an average rainfall of less than 1 inch per month. This makes these months ideal for outdoor activities and exploring the city.
Here are some details about Seattle's driest months:
Sunny skies: The driest months in Seattle also tend to be the sunniest, with an average of 8-10 hours of sunshine per day. This makes it a great time to enjoy the city's many outdoor attractions.
Warm temperatures: The driest months in Seattle also tend to be the warmest, with average temperatures ranging from 60°F (16°C) to 75°F (24°C). This makes it a great time to enjoy outdoor activities like swimming, hiking, and biking.
Outdoor festivals: Seattle's dry summer months are also a time for many outdoor festivals and events. These festivals celebrate everything from music and art to food and culture.
Perfect time to visit: If you're planning a trip to Seattle, the driest months (July through September) are the best time to visit. You'll enjoy warm temperatures, sunny skies, and plenty of outdoor activities.
Overall, Seattle's driest months offer a great opportunity to experience the city's natural beauty and vibrant atmosphere. Be sure to take advantage of the many outdoor activities and festivals that take place during this time.
Average annual precipitation: 38 inches
Seattle's average annual precipitation is 38 inches, which is significantly higher than the national average of 38 inches. This means that Seattle is a relatively wet city, but it's important to note that the rain is often light and intermittent.
Here are some details about Seattle's average annual precipitation:
Rainy season: The majority of Seattle's rain falls during the winter months (November to March), with an average of 5 to 7 inches of rain per month. However, the city can experience rain at any time of year.
Driest months: The driest months in Seattle are July and August, with an average rainfall of less than 1 inch per month. This makes these months ideal for outdoor activities and exploring the city.
Green city: Seattle's abundant rainfall contributes to its lush greenery and beautiful natural surroundings. The city is home to many parks, gardens, and forests, which are perfect for exploring on a rainy day.
Preparedness: If you're visiting Seattle, it's always a good idea to be prepared for rain. Carry an umbrella or raincoat, and consider wearing waterproof shoes or boots.
Overall, Seattle's average annual precipitation is something to be aware of when planning a trip to the city. However, it's important to remember that the rain is often light and intermittent, and there are still plenty of things to see and do in Seattle, even on a rainy day.
Moderate humidity
Seattle enjoys moderate humidity throughout the year, with an average relative humidity of around 65%. This means that the air in Seattle is neither too dry nor too moist.
Here are some details about Seattle's moderate humidity:
Comfortable climate: Moderate humidity levels make Seattle's climate comfortable for most people. The air doesn't feel too heavy or oppressive, even on hot summer days.
Less chance of respiratory problems: Moderate humidity can also help to reduce the risk of respiratory problems, such as asthma and allergies. This is because the air is less likely to be dry and irritating.
Good for outdoor activities: Seattle's moderate humidity is also ideal for outdoor activities. You can enjoy hiking, biking, and other outdoor pursuits without feeling overheated or uncomfortable.
Indoor comfort: Moderate humidity levels also make it easier to maintain a comfortable indoor environment. You're less likely to need to use a humidifier or dehumidifier.
Overall, Seattle's moderate humidity is one of the things that makes the city such a great place to live and visit. It's a climate that is comfortable for most people and allows you to enjoy the outdoors without feeling too hot or too cold.
Four distinct seasons
Seattle is known for its four distinct seasons, each with its own unique charm and activities.
- Mild spring:
Spring in Seattle is a time of renewal and growth. The days get longer, the flowers start to bloom, and the city comes alive with activity. Average temperatures range from 45°F (7°C) to 55°F (13°C).
- Warm summer:
Seattle's summers are warm and sunny, with average temperatures ranging from 60°F (16°C) to 75°F (24°C). The city enjoys long daylight hours, making it a great time to explore the city's many outdoor attractions.
- Colorful autumn:
Autumn in Seattle is a time of vibrant colors, as the leaves on the trees turn shades of red, orange, and yellow. The weather is mild, with average temperatures ranging from 45°F (7°C) to 55°F (13°C), making it a great time to go for walks or hikes.
- Mild winter:
Seattle's winters are mild and temperate, with average temperatures ranging from 36°F (2°C) to 46°F (8°C). The city experiences occasional snowfall, but it rarely accumulates. This means you can still enjoy outdoor activities like walking, running, and cycling throughout the winter months.
Seattle's four distinct seasons offer something for everyone, whether you prefer warm summer days, mild winters, or the beauty of spring and autumn.
FAQ
Here are some frequently asked questions about Seattle's weather, organized by month:
Question 1: What is the weather like in Seattle in January?
Answer 1: January is one of Seattle's coldest and wettest months, with average temperatures ranging from 36°F (2°C) to 46°F (8°C). Snowfall is rare, but it can happen.
Question 2: What is the weather like in Seattle in April?
Answer 2: April is a transitional month in Seattle, with the weather becoming milder and drier. Average temperatures range from 45°F (7°C) to 55°F (13°C). Spring flowers start to bloom this month.
Question 3: What is the weather like in Seattle in July?
Answer 3: July is one of Seattle's warmest and driest months, with average temperatures ranging from 60°F (16°C) to 75°F (24°C). The city enjoys long daylight hours, making it a great time to explore the city's many outdoor attractions.
Question 4: What is the weather like in Seattle in October?
Answer 4: October is a month of transition in Seattle, as the weather starts to cool down and become wetter. Average temperatures range from 45°F (7°C) to 55°F (13°C). The leaves on the trees turn vibrant colors this month.
Question 5: What is the best time to visit Seattle?
Answer 5: The best time to visit Seattle is during the summer months (June to August), when the weather is warm and sunny. However, Seattle is a great place to visit year-round, as each season offers its own unique charm.
Question 6: What should I pack for a trip to Seattle?
Answer 6: Be sure to pack clothes for all types of weather, as Seattle's weather can be unpredictable. This includes a raincoat or umbrella, a warm jacket, and comfortable shoes.
Question 7: Are there any special events or festivals in Seattle during certain months?
Answer 7: Yes, Seattle has many special events and festivals throughout the year. Some popular events include the Seattle International Film Festival in May, the Seafair Summer Festival in July and August, and the Seattle Marathon in November.
These are just a few of the frequently asked questions about Seattle's weather. For more information, please visit the Seattle Visitor Information Center website.
Now that you know more about Seattle's weather, here are some tips for planning your trip:
Tips
Here are some practical tips for planning your trip to Seattle, organized by month:
Tip 1: Dress in layers: Seattle's weather can be unpredictable, so it's always a good idea to dress in layers. This way, you can adjust your clothing as needed throughout the day.
Tip 2: Carry a raincoat or umbrella: Seattle is known for its frequent rainfall, so be sure to carry a raincoat or umbrella with you, especially during the winter months.
Tip 3: Check the weather forecast before you go: Seattle's weather can change quickly, so it's a good idea to check the weather forecast before you head out for the day. This way, you can be prepared for any unexpected changes in the weather.
Tip 4: Take advantage of Seattle's many indoor attractions: If you're visiting Seattle during a rainy day, there are still plenty of things to see and do indoors. Visit the city's many museums, art galleries, and theaters. You can also take a walk through one of Seattle's many indoor shopping malls.
By following these tips, you can make the most of your trip to Seattle, no matter what the weather is like.
Seattle is a vibrant city with something to offer visitors year-round. With its mild climate, stunning natural beauty, and many attractions, Seattle is a great place to visit any time of year.
Conclusion
Seattle's weather is a unique blend of mild temperatures, frequent rainfall, and four distinct seasons. While the city is known for its rainy season, it also enjoys plenty of sunshine, especially during the summer months.
Here are some of the main points to remember about Seattle's weather:
- Seattle has mild winters, with average temperatures ranging from 36°F (2°C) to 46°F (8°C).
- Seattle's summers are warm and sunny, with average temperatures ranging from 60°F (16°C) to 75°F (24°C).
- Seattle receives an average of 38 inches of rain per year, with the wettest months being October through March.
- Seattle has four distinct seasons, each with its own unique charm and activities.
Overall, Seattle's weather is moderate and enjoyable year-round. Whether you prefer warm summer days, mild winters, or the beauty of spring and autumn, Seattle has something to offer everyone.
So, what are you waiting for? Plan your trip to Seattle today and experience all that this vibrant city has to offer!
No matter when you visit, Seattle is sure to welcome you with its friendly people, stunning scenery, and endless possibilities for adventure.