Helena Weather in December
Helena in December sees very low daytime temperatures of 0°C (32°F) and nighttime lows of -10°C (14°F). Low snowfall is typical, with around 21 mm (0.8 in) for the month.
Rainfall in Helena in December
You can typically expect 14 days of snow this month, averaging around 21 mm (0.8 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Helena in December
December in Helena brings typical temperatures with highs around 0°C (32°F) and lows of -10°C (14°F). December is part of winter. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. Nights are well below freezing at -10°C (14°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. Since it's the coldest month of the year, you'll want to bundle up with extra layers and winter clothing.
Sunshine in Helena in December
With about 100 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.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 Helena.
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 Helena's climate page.
Helena Temperature in December
Min Temperature
-10°C (14°F)
Max Temperature
0°C (32°F)
Chance of Rain
46%
Precipitation
21 mm (0.8 in)
Rainy days
14 days
Humidity
68%
Sunshine
100 hours
Percentage Sunshine
37%
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 Helena in December
Winter clothing is essential for visiting Helena in December. If you have a heavy coat, waterproof boots with good traction, and plenty of warm layers it's smart to bring them. Pack cloths like thermal underwear, wool socks, and insulated gloves. Pack a light rain jacket or compact umbrella for occasional showers. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Helena 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 Helena's climate page.
Temperature Rainfall Sunshine Humidity
See the full Helena climate overview or explore weather in the United States of America.
