Vandalia Weather in May

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

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

May is in the spring in Vandalia and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (76°F), whilst at night 12°C (53°F) is normal.

Vandalia weather averages (imperial / metric)
Daytime temperature 24.3°C 75.7°F
Nightly temperature 11.7°C 53.1°F
Average temperature 18°C 64.4°F
Daily sunshine 9.6 hrs
Avg rainfall 100 mm 3.9 ins
Rainy days 10 days
Sea temperature 13.6°C 56.5°F
Humidity 67%
Windspeed 16.2kph 10 mph

On average May is the 2nd wettest month of the year in Vandalia with around 100mm 3.9 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 Vandalia

Vandalia average temperature in May

May rainfall

Vandalia average rain in May

May hourly sunshine

Vandalia 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 Vandalia 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

Vandalia weather stats

Vandalia weather statistics
Hottest month: July 30.9°C 87.6°F
Driest month: January 48mm 1.9ins
Sunniest month: July 11hrs
Coldest month: January 2.2°C 36°F
Wettest month: April 102mm 4ins
Map showing location of Vandalia (38.9606, -89.09368) Vandalia map pin © Google

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