May Weather in Des Moines

Last updated: March 2, 2024

The weather in Des Moines, United States, during May is characterized by an average temperature of 14°C (57°F). Highs can soar to 25°C (78°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Des Moines throughout May hovers around 81%.

6°C (43°F)

Minimum temperature

14°C (57°F)

Average temperature

25°C (78°F)

Maximum temperature

81%

Humidity

Precipitation and Sunshine hours

In May, Des Moines averages 68 mm (2.7 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 15 hours 8 minutes of daylight, with the sun shining for approximately 9 hours 39 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

68 mm (2.7 inches)

Precipitation

12 rainy days

Rainy days

9 hours 39 minutes

Sunshine hours

37%

Chance of sun

UV Index

In May, the UV Index in Des Moines reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 3 5 6 7 8 8 6 5 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Des Moines's Climate with Cities Worldwide