Average Monthly Sunshine hours in Prospect Heights (IL)

This graph shows the average number of hours per month that Prospect Heights 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 319 hours of sunshine.
• December has on average the lowest amount of sunshine with 107 hours.
• On average, the total annual amount of sun is 2520 hours.

Forecast: is it sunny in Prospect Heights (IL)?

Sat   Nov 23

7°C | 2°C

SW 14 km/h

broken clouds and no rain

hourly forecast

Sun   Nov 24

11°C | 2°C

SE 14 km/h

broken clouds and no rain

hourly forecast

Mon   Nov 25

10°C | -1°C

NW 22 km/h

0.5 mm

overcast and chance of slight rain

hourly forecast

5-Day Forecast 10-Day Forecast