seattle weather forecast december

Seattle Weather Forecast: December

December in Seattle is typically characterized by cool, wet, and often overcast conditions. Expect plenty of rain, with average temperatures hovering between the low 40s and upper 40s Fahrenheit (around 4-9 degrees Celsius). While snow is possible, it’s not as frequent as rain.

Temperature and Precipitation

Seattle’s December weather is heavily influenced by its maritime climate. The city experiences frequent rainfall, averaging around 6 inches for the month. Temperatures usually range from lows in the lower 40s (°F) to highs nearing 50°F. Extended periods of sunshine are rare, making for generally gray days. Keep in mind that these are averages; colder snaps or unusually warm spells are definitely possible.

Snowfall Probability

Although Seattle is not known for heavy snowfall, December does have a chance of seeing snow. However, snow accumulation is often light and short-lived, especially in lower elevations. The higher hills and surrounding areas have a greater chance of experiencing more substantial snowfall. If you’re planning to travel in or around Seattle during December, it’s prudent to check the forecast for potential winter weather advisories.

What to Wear in Seattle in December

Given the wet and cool conditions, layering is key. A waterproof jacket is essential, as is wearing clothing that dries quickly. Think fleece layers, waterproof boots, and warm socks. An umbrella or hooded raincoat is also a must for staying dry during frequent showers. Consider gloves and a scarf, especially during colder snaps.

Daylight Hours

December marks some of the shortest days of the year in Seattle. Sunrise occurs relatively late, and sunset comes early, resulting in limited daylight hours. This can impact outdoor activities and overall mood, so it’s worthwhile to factor this when planning any outdoor trips or events. According to Wikipedia’s Seattle page, Seattle’s latitude contributes to significant seasonal variations in daylight.

FAQs About Seattle Weather in December

Is it always raining in Seattle in December?

While it rains frequently, it’s not constantly raining all day every day. Expect many overcast days with periods of rain, often interspersed with brief breaks.

What is the average temperature in Seattle during December?

The average temperature ranges from the low 40s to the upper 40s Fahrenheit (4-9 degrees Celsius).

Does it snow a lot in Seattle in December?

Snowfall is possible but not guaranteed. Accumulation is often light and doesn’t last long, especially in lower elevations.

What should I pack for a trip to Seattle in December?

Pack waterproof outerwear, layers of warm clothing, waterproof shoes, and an umbrella.

Is December a good time to visit Seattle?

If you enjoy a cozy atmosphere, holiday festivities, and don’t mind the rain, December can be a pleasant time to visit. Be prepared for fewer daylight hours and potentially chilly weather.

Summary

December in Seattle is a wet and cool month, characterized by frequent rainfall, limited sunshine, and relatively mild temperatures. While snow is possible, it’s not a certainty. Layering clothing and being prepared for rain is essential for enjoying your time in the Emerald City during this time of year.