Sigourney Weather in May

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

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

May is in the spring in Sigourney and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 10°C (51°F) is normal.

Sigourney weather averages (imperial / metric)
Daytime temperature 22.8°C 73°F
Nightly temperature 10.4°C 50.7°F
Average temperature 16.6°C 61.9°F
Daily sunshine 9.6 hrs
Avg rainfall 101 mm 4 ins
Rainy days 12 days
Sea temperature 12.2°C 53.9°F
Humidity 66%
Windspeed 18kph 11 mph

On average May is the 4th wettest month of the year in Sigourney with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 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 Sigourney

Sigourney average temperature in May

May rainfall

Sigourney average rain in May

May hourly sunshine

Sigourney 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 Sigourney 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

Sigourney weather stats

Sigourney weather statistics
Hottest month: July 29.9°C 85.8°F
Driest month: February 26mm 1ins
Sunniest month: July 11.1hrs
Coldest month: January -2°C 28.4°F
Wettest month: July 113mm 4.4ins
Map showing location of Sigourney (41.33334, -92.20463) Sigourney map pin © Google

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