Mankato Weather in May

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

May is in the spring in Mankato and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (75°F), whilst at night 10°C (50°F) is normal.

On average May is the wettest month of the year in Mankato 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 10.3 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 Mankato in May 2025.