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Alton
Average sunhours
ClimateForecastNovemberDecember >>

Average Monthly Sunshine hours in Alton (IL)

This graph shows the average number of hours per month that Alton receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

* Data from: St. Louis, the United States of America (29 KM, 18 Miles).
  • On average, July is the sunniest month with 311 hours of sunshine.
  • December has on average the lowest amount of sunshine with 128 hours.
  • On average, the total annual amount of sun is 2612 hours.

Forecast: is it sunny in Alton (IL)?

Sat   Nov 02
18°C | 4°C
SE 18 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sun   Nov 03
21°C | 9°C
SE 25 km/h
2.6 mm
broken clouds and rain

broken clouds and rain

hourly forecast
Mon   Nov 04
23°C | 16°C
S 29 km/h
22 mm
overcast and thunder

overcast and thunder

hourly forecast
5-Day Forecast 10-Day Forecast

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