Mount Vernon Weather in May

What's the weather like in Mount Vernon (Illinois) in May 2024?

The climate in Mount Vernon during May can be summarized as warm and damp.

May is in the spring in Mount Vernon and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 12°C (53°F) is normal.

Mount Vernon weather averages (imperial / metric)
Daytime temperature 24.5°C 76.1°F
Nightly temperature 11.7°C 53.1°F
Average temperature 18.1°C 64.6°F
Daily sunshine 9.6 hrs
Avg rainfall 113 mm 4.4 ins
Rainy days 10 days
Sea temperature 13.2°C 55.8°F
Humidity 67%
Windspeed 15.5kph 10 mph

On average May is the wettest month of the year in Mount Vernon with around 113mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.6 hours of sunshine per day.

May temperatures in Mount Vernon

Mount Vernon average temperature in May

May rainfall

Mount Vernon average rain in May

May hourly sunshine

Mount Vernon average rain in May

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 Mount Vernon in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Mount Vernon weather stats

Mount Vernon weather statistics
Hottest month: July 31.2°C 88.2°F
Driest month: January 59mm 2.3ins
Sunniest month: July 11hrs
Coldest month: January 3.1°C 37.6°F
Wettest month: May 113mm 4.4ins
Map showing location of Mount Vernon (38.31727, -88.90312) Mount Vernon map pin © Google

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