Last updated: March 2, 2024
The weather in Onalaska, United States, during May is characterized by an average temperature of 13°C (55°F). Highs can soar to 27°C (82°F), while lows may dip to 3°C (37°F). Typically, the humidity level in Onalaska throughout May hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Onalaska averages 80 mm (3.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 15 hours 2 minutes of daylight, with the sun shining for approximately 9 hours 2 minutes each day. Additionally, there is a 34% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Onalaska reaches a maximum of 9, 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 | 7 | 8 | 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 | ||||||