West Union Weather in May

What's the weather like in West Union (Iowa) in May 2025?

The climate in West Union during May can be summarized as mild and damp.

May is in the spring in West Union and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 8°C (47°F) is normal.

West Union weather averages (imperial / metric)
Daytime temperature 21.7°C 71.1°F
Nightly temperature 8.1°C 46.6°F
Average temperature 14.9°C 58.8°F
Daily sunshine 10.1 hrs
Avg rainfall 106 mm 4.2 ins
Rainy days 11 days
Sea temperature 10.5°C 50.9°F
Humidity 66%
Windspeed 18.4kph 11 mph

On average May is the 4th wettest month of the year in West Union with around 106mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.1 hours of sunshine per day.

May temperatures in West Union

West Union average temperature in May

May rainfall

West Union average rain in May

May hourly sunshine

West Union 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 West Union in May 2025.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

West Union weather stats

West Union weather statistics
Hottest month: July 28.5°C 83.3°F
Driest month: January 25mm 1ins
Sunniest month: July 11hrs
Coldest month: January -4.7°C 23.5°F
Wettest month: June 113mm 4.4ins
Map showing location of West Union (42.96276, -91.80822) West Union map pin © Google

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