United States · 1991–2020 normal
Helena in
May.
Typical May weather in Helena: 29.2°C by day, 16.1°C at night, 70 mm of rain over 4.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29.2°C
Typical low16.1°C
Rain70 mm
Wet days4.8
Comfort score 74 this month (October leads the year at 83). Daylight is calculated as 13 h 47 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.