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 02

14°C | 1°C

SE 14 km/h

almost clear and no rain

hourly forecast

Sun   Nov 03

18°C | 7°C

SE 22 km/h

2.9 mm

overcast and rain

hourly forecast

Mon   Nov 04

21°C | 15°C

S 29 km/h

13 mm

overcast and heavy rain

hourly forecast

5-Day Forecast 10-Day Forecast