United States · 1991–2020 normal
Helena in
January.
Typical January weather in Helena: 8.2°C by day, -5.1°C at night, 26 mm of rain over 3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high8.2°C
Typical low-5.1°C
Rain26 mm
Wet days3
Comfort score 12 this month (September leads the year at 75). Daylight is calculated as 9 h 55 from latitude 36.55°.
Event window
Frost-level nights in January
The measured night-time normal is -5.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4538544
- NOAA station
- USC00344019 · HELENA 1 SSE
- Station distance
- 1 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.