United States · 1991–2020 normal

Alton in
June.

Typical June weather in Alton: 28.3°C by day, 14.9°C at night, 114 mm of rain over 9.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high28.3°C
Typical low14.9°C
Rain114 mm
Wet days9.3

Comfort score 69 this month (September leads the year at 78). Daylight is calculated as 15 h 20 from latitude 42.99°.

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.