United States · 1991–2020 normal
Helena in
December.
Typical December weather in Helena: 16.7°C by day, 4.2°C at night, 112 mm of rain over 6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high16.7°C
Typical low4.2°C
Rain112 mm
Wet days6
Comfort score 43 this month (October leads the year at 83). Daylight is calculated as 10 h 04 from latitude 32.07°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4199928
- NOAA station
- USC00092966 · EASTMAN 1 W
- Station distance
- 30.8 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.