United States · 1991–2020 normal

Alton in
February.

Typical February weather in Alton: 0.7°C by day, -10.1°C at night, 21 mm of rain over 3.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high0.7°C
Typical low-10.1°C
Rain21 mm
Wet days3.9

Comfort score 5 this month (September leads the year at 78). Daylight is calculated as 10 h 27 from latitude 42.99°.

Event window

Frost-level nights in February

The measured night-time normal is -10.1°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4846745
NOAA station
USC00137700 · SIOUX CTR 2 SE
Station distance
13.8 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.