Last updated: March 2, 2024
The weather in Walnut, United States, during August is characterized by an average temperature of 26°C (79°F). Highs can soar to 35°C (96°F), while lows may dip to 17°C (63°F). Typically, the humidity level in Walnut throughout August hovers around 73%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Walnut averages 116 mm (4.6 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 24 minutes of daylight, with the sun shining for approximately 10 hours 3 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Walnut reaches a maximum of 10, 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 | 6 | 8 | 10 | 10 | 10 | 8 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||