Average Monthly Sunshine hours in Decatur (IL)

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

• On average, July is the sunniest month with 320 hours of sunshine.
• December has on average the lowest amount of sunshine with 129 hours.
• On average, the total annual amount of sun is 2660 hours.

Forecast: is it sunny in Decatur (IL)?

Sat   Nov 23

6°C | 2°C

SW 11 km/h

broken clouds and no rain

hourly forecast

Sun   Nov 24

15°C | 2°C

S 25 km/h

broken clouds and no rain

hourly forecast

Mon   Nov 25

13°C | 0°C

NW 25 km/h

broken clouds and no rain

hourly forecast

5-Day Forecast 10-Day Forecast