Wyoming Weather in December

Thinking of visiting Wyoming in December? Expect low temperatures reaching 3°C (37°F) during the day, dropping to -4°C (25°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Wyoming in December

Typically, you can expect about 17 days of snow/rain this month, with 80 mm (3.1 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Wyoming in December

Daytime highs in Wyoming in December reach 3°C (37°F), with nights around -4°C (25°F). The winter season is characteristic of December. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. At -4°C (25°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is particularly chilly, so wearing layers is necessary to stay warm and comfortable.

Sunshine in Wyoming in December

This month sees fewer sunny days, with about 63 hours of sunshine, perfect for those who enjoy cooler temperatures.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Wyoming. 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
• 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 Wyoming's climate page.

Wyoming Temperature in December

Min Temperature -4°C (25°F)  

Max Temperature 3°C (37°F)  

Chance of Rain 57%  

Precipitation 80 mm (3.1 in)  

Rainy days 17 days  

Humidity 79% *  

Sunshine 63 hours *  

Percentage Sunshine 22% *  

* Data from: Grand Rapids, the United States of America (6 KM, 3 Miles).

What to Wear in Wyoming in December

Dress warmly and in layers for your trip to Wyoming 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Wyoming 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 Wyoming's climate page.

More climate data for Wyoming

Temperature Rainfall Sunshine Humidity

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