United States · 1991–2020 normal
Helena in
August.
Typical August weather in Helena: 34°C by day, 20°C at night, 94 mm of rain over 7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high34°C
Typical low20°C
Rain94 mm
Wet days7
Comfort score 46 this month (September leads the year at 75). Daylight is calculated as 13 h 33 from latitude 36.55°.
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.