Sedro-Woolley Weather in December

Sedro-Woolley in December averages 7°C (45°F) during the day and 1°C (34°F) at night. This is part of the winter season, and quite a bit of rainfall is expected this month.

Rainfall in Sedro-Woolley in December

You can expect rain on roughly 22 days based on historical data, averaging 137 mm (5.4 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Sedro-Woolley in December

Sedro-Woolley in December gets highs of 7°C (45°F) during the day and drops to 1°C (34°F) at night. Winter occurs in December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. Since it's the coldest month of the year, you'll want to bundle up with extra layers and winter clothing.

Sunshine in Sedro-Woolley in December

The area experiences limited sunny days, amounting to roughly 65 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

December in Sedro-Woolley can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Sedro-Woolley's climate page.

Sedro-Woolley Temperature in December

Min Temperature 1°C (34°F)  

Max Temperature 7°C (45°F)  

Chance of Rain 74%  

Precipitation 137 mm (5.4 in)  

Rainy days 22 days  

Sunshine 65 hours *  

Percentage Sunshine *  

* Data from: Bellingham, the United States of America (33 KM, 20 Miles).

What to Wear in Sedro-Woolley in December

We recommend to layer up for chilly conditions in Sedro-Woolley in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Sedro-Woolley in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Sedro-Woolley's climate page.

More climate data for Sedro-Woolley

Temperature Rainfall Sunshine

See the full Sedro-Woolley climate overview or explore weather in the United States of America.