Last updated: March 2, 2024
The weather in Garnavillo, United States, during May is characterized by an average temperature of 16°C (60°F). Highs can soar to 31°C (88°F), while lows may dip to 2°C (35°F). Typically, the humidity level in Garnavillo throughout May hovers around 75%.
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Average temperature
Maximum temperature
Humidity
In May, Garnavillo averages 150 mm (5.9 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 14 hours 39 minutes of daylight, with the sun shining for approximately 8 hours 20 minutes each day. Additionally, there is a 34% probability of sunny days during this period.
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Chance of sun
In May, the UV Index in Garnavillo reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 7 | 9 | 9 | 8 | 7 | 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 | ||||||