Snoqualmie Pass Weather in December
During December, Snoqualmie Pass experiences very low daytime temperatures of 1°C (34°F) and cooler nights around -3°C (27°F). December sits within the rainy season, and part of the winter season, so expect regular and often heavy snow/rainfall.
Rainfall in Snoqualmie Pass in December
Snoqualmie Pass is in the rainy season in December, with rain on around 26 days and an average of 391 mm (15 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Snoqualmie Pass in December
Expect highs of 1°C (34°F) in Snoqualmie Pass in December, with nights dropping to around -3°C (27°F). Winter occurs in December. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. Nights drop below freezing to -3°C (27°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.
Sunshine in Snoqualmie Pass in December
The area experiences limited sunny days, amounting to roughly 54 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Snoqualmie Pass.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Snoqualmie Pass's climate page.
Snoqualmie Pass Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
1°C (34°F)
Chance of Rain
86%
Precipitation
391 mm (15 in)
Rainy days
26 days
Humidity
80% *
Sunshine
54 hours *
Percentage Sunshine
20% *
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
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What to Wear in Snoqualmie Pass in December
Dress warmly and in layers for your trip to Snoqualmie Pass in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Snoqualmie Pass in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Snoqualmie Pass's climate page.
Temperature Rainfall Sunshine Humidity
See the full Snoqualmie Pass climate overview or explore weather in the United States of America.
