United States · 1991–2020 normal

Chelsea in
March.

Typical March weather in Chelsea: 20.3°C by day, 7.3°C at night, 135 mm of rain over 10 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high20.3°C
Typical low7.3°C
Rain135 mm
Wet days10

Comfort score 54 this month (October leads the year at 81). Daylight is calculated as 11 h 53 from latitude 33.34°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4054852
NOAA station
USC00013781 · HELENA
Station distance
20.3 km from the place centre
Coverage
Good coverage · 17 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.