Des Moines Weather in May

The climate in Des Moines during May can be summarized as mild and a little damp.

May is in the spring in Des Moines 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.

On average May is the 4th wettest month of the year in Des Moines with around 98mm 3.9 inches of rain making it a a little 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 9.5 hours of sunshine per day.

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 Des Moines in May 2024.