Wilsonville Weather in December

Wilsonville in December averages 8°C (46°F) during the day and 2°C (36°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Wilsonville in December

This month experiences the most intense rain of the year, with heavy showers. Be prepared with a poncho to stay dry. The climate data from previous years indicates about 20 days of rain, averaging 181 mm (7.1 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 Wilsonville in December

In December, Wilsonville gets low temperatures, with highs of 8°C (46°F). Nights cool to around 2°C (36°F). During December, the winter season is in full swing. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. Typically, it's the chilliest month of the year. Ensure you're prepared by packing appropriate winter gear.

Sunshine in Wilsonville in December

With limited sunshine this month, there are about 64 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Wilsonville. Our weather planner can help you explore destinations with more pleasant weather conditions.

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Check the conditions for any month of the year.

• January
• February
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• May
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• September
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• December

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

Wilsonville Temperature in December

Min Temperature 2°C (36°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 67%  

Precipitation 181 mm (7.1 in)  

Rainy days 20 days  

Humidity 83% *  

Sunshine 64 hours *  

Percentage Sunshine *  

* Data from: Portland, the United States of America (34 KM, 21 Miles).

What to Wear in Wilsonville in December

We recommend to layer up for chilly conditions in Wilsonville 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Wilsonville 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 Wilsonville's climate page.

More climate data for Wilsonville

Temperature Rainfall Sunshine Humidity

See the full Wilsonville climate overview or explore weather in the United States of America.