Montezuma Weather in May

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

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

May is in the spring in Montezuma and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 22°C (72°F), whilst at night 10°C (50°F) is normal.

Montezuma weather averages (imperial / metric)
Daytime temperature 22.4°C 72.3°F
Nightly temperature 9.8°C 49.6°F
Average temperature 16.1°C 61°F
Daily sunshine 9.6 hrs
Avg rainfall 105 mm 4.1 ins
Rainy days 12 days
Sea temperature 12.2°C 53.9°F
Humidity 65%
Windspeed 18.4kph 11 mph

On average May is the 4th wettest month of the year in Montezuma with around 105mm 4.1 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 Montezuma

Montezuma average temperature in May

May rainfall

Montezuma average rain in May

May hourly sunshine

Montezuma 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 Montezuma 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

Montezuma weather stats

Montezuma weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: January 26mm 1ins
Sunniest month: July 11.2hrs
Coldest month: January -2.3°C 27.9°F
Wettest month: June 115mm 4.5ins
Map showing location of Montezuma (41.58583, -92.52741) Montezuma map pin © Google

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