Last updated: March 2, 2024
The weather in Williams Bay, United States, during April is characterized by an average temperature of 8°C (47°F). Highs can soar to 25°C (78°F), while lows may dip to -5°C (24°F). Typically, the humidity level in Williams Bay throughout April hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Williams Bay averages 110 mm (4.3 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 13 hours 24 minutes of daylight, with the sun shining for approximately 8 hours 6 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Williams Bay reaches a maximum of 8, 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 | 8 | 8 | 7 | 6 | 4 | 2 | 1 | 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 | ||||||