Waterloo Weather in May

What's the weather like in Waterloo (Iowa) in May 2024?

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

May is in the spring in Waterloo and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 9°C (48°F) is normal.

Waterloo weather averages (imperial / metric)
Daytime temperature 22.6°C 72.7°F
Nightly temperature 9°C 48.2°F
Average temperature 15.8°C 60.4°F
Daily sunshine 9.8 hrs
Avg rainfall 107 mm 4.2 ins
Rainy days 11 days
Sea temperature 11.3°C 52.4°F
Humidity 66%
Windspeed 19.1kph 12 mph

On average May is the 3rd wettest month of the year in Waterloo with around 107mm 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 9.8 hours of sunshine per day.

May temperatures in Waterloo

Waterloo average temperature in May

May rainfall

Waterloo average rain in May

May hourly sunshine

Waterloo 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 Waterloo 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

Waterloo weather stats

Waterloo weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: January 22mm 0.9ins
Sunniest month: July 11.1hrs
Coldest month: January -3.6°C 25.5°F
Wettest month: July 120mm 4.7ins
Map showing location of Waterloo (42.49276, -92.34296) Waterloo map pin © Google

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