Cascade Locks Weather in December

December in Cascade Locks sees daytime temperatures around 5°C (41°F) and lows of -1°C (30°F) at night. As the wettest month of the year, keep in mind that snow/rainfall is at its highest.

Rainfall in Cascade Locks in December

Cascade Locks is in the rainy season in December, with rain on around 24 days and an average of 388 mm (15 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Cascade Locks in December

December in Cascade Locks sees highs of 5°C (41°F) and lows of -1°C (30°F) overnight. The winter season takes place during December. Staying warm is the main priority this month, especially during mornings and evenings. Nights drop below freezing to -1°C (30°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.

Sunshine in Cascade Locks in December

This month sees fewer sunny days, with about 64 hours of sunshine, perfect for those who enjoy cooler temperatures.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Cascade Locks.

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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 Cascade Locks's climate page.

Cascade Locks Temperature in December

Min Temperature -1°C (30°F)  

Max Temperature 5°C (41°F)  

Chance of Rain 80%  

Precipitation 388 mm (15 in)  

Rainy days 24 days  

Humidity 83% *  

Sunshine 64 hours *  

Percentage Sunshine *  

* Data from: Portland, the United States of America (55 KM, 34 Miles).

What to Wear in Cascade Locks in December

Dress warmly and in layers for your trip to Cascade Locks 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 Cascade Locks in December

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

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

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 Cascade Locks's climate page.

More climate data for Cascade Locks

Temperature Rainfall Sunshine Humidity

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