Last updated: March 2, 2024
The weather in Grayson, United States, during April is characterized by an average temperature of 16°C (62°F). Highs can soar to 28°C (82°F), while lows may dip to 2°C (36°F). Typically, the humidity level in Grayson throughout April hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Grayson averages 123 mm (4.8 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 13 hours 2 minutes of daylight, with the sun shining for approximately 9 hours 13 minutes each day. Additionally, there is a 55% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In April, the UV Index in Grayson reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 2 | 4 | 7 | 9 | 11 | 10 | 9 | 6 | 4 | 2 | 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 | ||||