Seattle Weather In December: What To Expect

December in Seattle, Washington, is typically characterized by cool, wet, and cloudy conditions. Average temperatures range from the mid-30s to the mid-40s Fahrenheit, and rainfall is common. The Emerald City experiences short daylight hours and frequent overcast skies during this time of year (needs verification).

Understanding Seattle's December Climate

Seattle weather in December is famously damp, and understanding the specifics can help you prepare for a visit or simply navigate daily life. This Pacific Northwest city experiences a unique climate influenced by its proximity to the Puget Sound and the Cascade Mountains. December falls squarely within Seattle's rainy season, and it's one of the cloudiest months of the year. Expect persistent drizzle, occasional downpours, and limited sunshine. While snow is possible, it's not as common as rain, especially in the city center. LeBron James' Iconic Dunk On Dwyane Wade: A Detailed Look

Temperature Expectations

The average high temperature in Seattle in December hovers around 46°F (8°C), while the average low dips to about 37°F (3°C). These temperatures are relatively mild compared to many other parts of the United States, thanks to the moderating influence of the Pacific Ocean. However, the humidity and lack of sunshine can make it feel colder than the actual temperature. It's essential to dress in layers to stay comfortable throughout the day, as temperatures can fluctuate slightly. Keep in mind that these are just averages, and some days may be warmer or colder than others. Checking the forecast regularly is crucial for planning your daily activities and wardrobe choices.

Rainfall Patterns

Rainfall is a defining characteristic of Seattle's December weather. On average, Seattle receives around 5.5 inches of rain during the month. This precipitation often comes in the form of light, persistent drizzle, but heavier downpours can also occur. The city typically experiences rain on about 20 days out of the 31 in December. This high frequency of rainfall contributes to the city's reputation for being perpetually wet. To cope with the rain, it's advisable to carry an umbrella, wear a waterproof jacket, and consider investing in waterproof footwear. The rain can affect outdoor activities, so having indoor alternatives in mind is always a good idea.

Daylight Hours and Cloud Cover

Seattle experiences some of its shortest daylight hours in December due to its northerly latitude. The winter solstice, which occurs in late December, marks the shortest day of the year. On this day, Seattle typically sees around 8 hours of daylight. The sun rises late and sets early, leaving much of the day shrouded in darkness or twilight. In addition to short daylight hours, Seattle is known for its extensive cloud cover in December. Overcast skies are the norm, and sunny days are rare. The combination of limited daylight and frequent cloud cover can sometimes lead to feelings of seasonal depression, also known as Seasonal Affective Disorder (SAD). Light therapy and outdoor activities during the brief periods of sunshine can help mitigate these effects.

Preparing for December Weather in Seattle

Gearing up for Seattle weather in December requires a strategic approach to clothing and activities. Given the high likelihood of rain and cool temperatures, packing and planning accordingly is essential for a comfortable experience, whether you're a local or a visitor. By taking the right precautions, you can still enjoy all that Seattle has to offer, even during its dreariest month.

What to Wear

The key to staying comfortable in Seattle's December weather is layering. Start with a moisture-wicking base layer to keep sweat away from your skin. Add an insulating mid-layer, such as a fleece jacket or sweater, to trap body heat. Top it off with a waterproof and windproof outer layer to protect against the rain and wind. A hooded jacket is particularly useful for keeping your head dry. Don't forget about accessories like gloves, a scarf, and a warm hat to protect your extremities. Opt for waterproof footwear, such as rain boots or waterproof hiking shoes, to keep your feet dry and comfortable. Avoid wearing cotton clothing, as it tends to absorb moisture and can make you feel colder. Wool and synthetic fabrics are better choices for staying warm and dry.

Essential Gear

In addition to appropriate clothing, there are a few essential items to have on hand when dealing with Seattle's December weather. An umbrella is a must-have for navigating the city streets in the rain. Choose a sturdy umbrella that can withstand strong winds. A waterproof bag or backpack is also essential for protecting your belongings from the rain. Consider carrying a small towel or microfiber cloth to wipe off wet surfaces. If you plan on spending time outdoors, bring a thermos filled with hot coffee, tea, or soup to stay warm. For those who are sensitive to the lack of sunlight, a portable light therapy lamp can help boost your mood and energy levels.

Planning Activities

While the weather in Seattle in December may not be ideal for outdoor adventures, there are still plenty of indoor and outdoor activities to enjoy. Explore the city's many museums, such as the Museum of Pop Culture (MoPOP) or the Seattle Art Museum (SAM). Catch a show at the Seattle Opera or the Pacific Northwest Ballet. Visit the Pike Place Market for some local shopping and delicious food. For outdoor activities, consider visiting the Kubota Garden, a beautiful Japanese garden that looks stunning even in the rain. Alternatively, take a ferry to Bainbridge Island for scenic views of the Seattle skyline. Just be sure to dress warmly and be prepared for wet conditions. With a little planning, you can make the most of your time in Seattle, regardless of the weather.

Tips for Thriving in Seattle's December Climate

Navigating Seattle's December climate requires more than just the right gear; it also involves adopting certain lifestyle adjustments. From staying active indoors to embracing the cozy atmosphere, there are many ways to not just endure but thrive during this often-challenging month.

Indoor Activities and Entertainment

When the weather outside is frightful, Seattle offers a wealth of indoor activities to keep you entertained. The city is home to numerous museums, ranging from art and history to science and pop culture. Explore the exhibits at the Museum of Pop Culture (MoPOP), the Seattle Art Museum (SAM), or the Burke Museum of Natural History and Culture. Catch a movie at one of Seattle's many independent cinemas, or enjoy a live performance at the Seattle Repertory Theatre. For a more active experience, try indoor rock climbing, bowling, or ice skating. Seattle also boasts a vibrant culinary scene, with countless restaurants, cafes, and bars to explore. Cozy up with a good book at one of the city's many bookstores, or visit the Seattle Public Library, an architectural gem with stunning views of the city. Is Travis Kelce Married? Relationship Status & Rumors

Coping with Limited Sunlight

The lack of sunlight in December can take a toll on your mood and energy levels. Combat the winter blues by maximizing your exposure to natural light whenever possible. Take a walk outside during the brightest part of the day, even if it's cloudy. Open your curtains and blinds to let as much light into your home as possible. Consider using a light therapy lamp to simulate sunlight and boost your mood. Regular exercise can also help combat the effects of limited sunlight. Even a short workout can increase endorphins and improve your overall well-being. Additionally, make sure to get enough sleep, as sleep deprivation can worsen the symptoms of seasonal depression.

Embracing the Cozy Atmosphere

Instead of fighting the gloomy weather, embrace the cozy atmosphere that December brings to Seattle. Light candles, brew a cup of hot cocoa, and curl up with a good book or movie. Invite friends over for a game night or potluck. Visit a local coffee shop and enjoy the warmth and ambiance. Take advantage of the opportunity to slow down, relax, and recharge. December is a time for cozy sweaters, warm blankets, and comfort food. Embrace the hygge lifestyle and create a warm and inviting sanctuary in your home. By focusing on the positive aspects of the season, you can make the most of Seattle's December climate.

Frequently Asked Questions (FAQ) About Seattle Weather in December

What is the average temperature in Seattle during December?

The average high temperature in Seattle in December is around 46°F (8°C), and the average low is about 37°F (3°C). While this is relatively mild, the humidity can make it feel colder. Dressing in layers is recommended.

How much does it rain in Seattle in December?

Seattle experiences significant rainfall in December, averaging around 5.5 inches. Rain typically falls on about 20 days of the month. Carrying an umbrella and wearing waterproof clothing is advisable. Red Sox Vs. Yankees Prediction: Analyzing The Historic Rivalry

Is there much sunshine in Seattle in December?

No, Seattle has limited sunshine in December due to short daylight hours and frequent cloud cover. Overcast skies are common, so consider light therapy if you're sensitive to lack of sunlight.

What should I wear in Seattle in December?

Layers are key! Wear a moisture-wicking base, an insulating mid-layer like fleece, and a waterproof outer layer. Don't forget gloves, a scarf, a hat, and waterproof shoes.

What are some fun indoor activities to do in Seattle during December?

Seattle offers numerous indoor options, including museums like MoPOP and SAM, independent cinemas, live theater, indoor rock climbing, bowling, and exploring the vibrant culinary scene.

How can I combat the lack of sunlight in Seattle during December?

Maximize exposure to natural light, use a light therapy lamp, exercise regularly, and ensure you get enough sleep. These strategies can help improve your mood and energy levels.

Are there any outdoor activities I can still enjoy in Seattle in December?

Yes, even in December, you can visit Kubota Garden, take a ferry to Bainbridge Island, or explore parks with proper rain gear. Dress warmly and be prepared for wet conditions.

Does it snow often in Seattle in December?

While possible, snow is not as common as rain in Seattle during December, especially in the city center. Snow is more likely in the surrounding areas at higher elevations.

Conclusion

Seattle weather in December presents unique challenges with its cool, wet, and cloudy conditions. However, with proper preparation and a positive attitude, you can still enjoy all that the city has to offer. Dress in layers, embrace indoor activities, and take steps to combat the effects of limited sunlight. Whether you're a local or a visitor, Seattle in December can be a cozy and memorable experience. By understanding the climate and planning accordingly, you can make the most of this special time of year. Remember to stay informed about the latest weather forecasts and adjust your plans as needed. With a little flexibility and a sense of adventure, you can thrive in Seattle's December climate and create lasting memories.

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Photo of Robert M. Wachter

Robert M. Wachter

Professor, Medicine Chair, Department of Medicine ·

Robert M. Bob Wachter is an academic physician and author. He is on the faculty of University of California, San Francisco, where he is chairman of the Department of Medicine, the Lynne and Marc Benioff Endowed Chair in Hospital Medicine, and the Holly Smith Distinguished Professor in Science and Medicine