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%.
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Average temperature
Maximum temperature
Humidity
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.
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Chance of sun
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.
| 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 | ||||||