Last updated: March 2, 2024
The weather in Oskaloosa, United States, during April is characterized by an average temperature of 12°C (54°F). Highs can soar to 28°C (83°F), while lows may dip to -3°C (26°F). Typically, the humidity level in Oskaloosa throughout April hovers around 73%.
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Average temperature
Maximum temperature
Humidity
In April, Oskaloosa averages 88 mm (3.5 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 15 minutes of daylight, with the sun shining for approximately 8 hours 46 minutes each day. Additionally, there is a 49% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In April, the UV Index in Oskaloosa 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 | 1 | 2 | 4 | 7 | 8 | 9 | 9 | 7 | 5 | 3 | 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 | ||||||