SeattleS January Weather: A Comprehensive Guide
Seattle in January is often characterized by cool temperatures, frequent rainfall, and overcast skies. While it’s known as one of the rainiest months, the reality is more nuanced. Understanding the typical weather patterns can definitely help residents and visitors prepare for their time in the Emerald City. This article provides a detailed look at Seattle’s January weather, including average temperatures, precipitation levels, and what to expect during this time of year.
Temperature in January
January is typically the coldest month in Seattle. Average high temperatures hover around 48°F (9°C), while average low temperatures fall to around 38°F (3°C). though, temperatures can fluctuate, and it’s not uncommon to experience days slightly warmer or colder than these averages. Record lows have dipped below freezing, but sustained periods of extreme cold are rare due to the moderating influence of Puget Sound.
Precipitation and Rainfall
Seattle’s reputation for rain is well-deserved, and January contributes considerably to that perception. On average, Seattle receives approximately 5.79 inches (147 mm) of precipitation in January . However, much of this precipitation falls as drizzle rather than heavy downpours. The city experiences an average of 18 days with measurable precipitation throughout the month.
Cloud Cover and Daylight Hours
january is typically the cloudiest month in Seattle. Approximately 71% of the time, the sky is either cloudy or overcast. This lack of sunshine contributes to the cooler temperatures and the overall gray aesthetic of the season. Daylight hours are also at their shortest, with sunrise around 7:55 AM and sunset around 4:55 PM. This limited daylight can impact mood and energy levels for some individuals.
Preparing for January Weather in Seattle
Given the cool, wet conditions, proper planning is essential for anyone spending time in Seattle during January. Here are some recommendations:
- Layered Clothing: Dress in layers to adapt to fluctuating temperatures throughout the day.
- Waterproof Outerwear: A waterproof jacket and shoes are crucial for staying dry during frequent rainfall.
- Umbrella: While drizzle is common, an umbrella is still a valuable accessory.
- Warm Accessories: Hats, gloves, and scarves will help protect against the cold.
- Vitamin D Supplement: Consider taking a vitamin D supplement to combat the lack of sunlight.
Staying Safe During January
While Seattle rarely experiences severe winter storms, it’s crucial to be aware of potential hazards:
- Slippery Surfaces: Rain and occasional freezing temperatures can create slippery sidewalks and roads.
- Reduced Visibility: Fog and low clouds can reduce visibility, especially during commutes.
- Emergency Preparedness: Sign up for Alert Seattle to receive updates on emergency situations .
Is January a Good Time to Visit Seattle?
Despite the challenging weather, January can be a good time to visit Seattle for those seeking fewer crowds and lower prices. Many indoor attractions, such as museums, theaters, and restaurants, remain open and offer a welcome respite from the cold and rain. Plus, the city’s cozy atmosphere and vibrant cultural scene can make for a unique and enjoyable experience.
Published: 2026/01/18 17:26:25







