Weather in Helena: December
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Average day temperature: | 27.5°F |
| Average night temperature: | 19.3°F | |
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Number of sunny days: | 9 days |
| Day length: | 8.6 - 8.8 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.3 in. | |
| more information | ||
14 days
forecast
forecast
| Helena |
weather in
January
January
| Helena |
Air temperature in December, °F
Show year:
2023
2022
2021
The highest day temperature during December of 2023 was 51°F. At the same time the lowest night temperature was 10°F. Day and night temperature averages during December were 34.6°F and 26.0°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Helena in December is 0.3 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 4.4 mph It makes December one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.1.
Best time for vacation in Helena
Helena on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Helena
Local time: 19:14
November 23, saturday
2100
30°F
SE
3 mph
3 mph
November 24, sunday
0000
23°F
SE
5 mph
5 mph
0300
21°F
SE
6 mph
6 mph
0600
16°F
SE
5 mph
5 mph
0900
12°F
SE
4 mph
4 mph
1200
19°F
S
3 mph
3 mph
1500
27°F
S
4 mph
4 mph
1800
23°F
SE
1 mph
1 mph
