Last updated: March 2, 2024
The weather in River Falls, United States, during May is characterized by an average temperature of 24°C (75°F). Highs can soar to 33°C (93°F), while lows may dip to 11°C (52°F). Typically, the humidity level in River Falls throughout May hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, River Falls averages 122 mm (4.8 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 45 minutes of daylight, with the sun shining for approximately 10 hours 17 minutes each day. Additionally, there is a 42% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in River Falls reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 | 4 | 7 | 9 | 11 | 11 | 10 | 7 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||