United States · 1991–2020 normal
Helena in
October.
Typical October weather in Helena: 27.3°C by day, 13.7°C at night, 100 mm of rain over 5.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.3°C
Typical low13.7°C
Rain100 mm
Wet days5.4
Comfort score 76 this month (April leads the year at 78). Daylight is calculated as 11 h 23 from latitude 30.49°. Open-water sea temperature is 24.9°C (18 km from the place centre).
Event window
Warm sea in October
The nearest open-water NOAA OISST 1991–2020 cell averages 24.9°C in October. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4429484
- NOAA station
- USW00053858 · PASCAGOULA LOTT INTL AP
- Station distance
- 4.9 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.