Princeton Weather in August

What's the weather like in Princeton (Illinois) in August 2024?

The climate in Princeton during August can be summarized as warm, humid and a little damp.

August is in the summer in Princeton and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 16°C (61°F) is normal.

Princeton weather averages (imperial / metric)
Daytime temperature 28.5°C 83.3°F
Nightly temperature 16.1°C 61°F
Average temperature 22.3°C 72.1°F
Daily sunshine 9.7 hrs
Avg rainfall 98 mm 3.9 ins
Rainy days 9 days
Sea temperature 20.5°C 68.9°F
Humidity 74%
Windspeed 13kph 8 mph

On average August is the 2nd wettest month of the year in Princeton with around 98mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.7 hours of sunshine per day.

August temperatures in Princeton

Princeton average temperature in August

August rainfall

Princeton average rain in August

August hourly sunshine

Princeton average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Princeton in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Princeton weather stats

Princeton weather statistics
Hottest month: July 29.3°C 84.7°F
Driest month: February 31mm 1.2ins
Sunniest month: July 10.7hrs
Coldest month: January -2.3°C 27.9°F
Wettest month: June 104mm 4.1ins
Map showing location of Princeton (41.36809, -89.46481) Princeton map pin © Google

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