Last updated: March 2, 2024
The weather in Fullerton, United States, during August is characterized by an average temperature of 23°C (74°F). Highs can soar to 34°C (93°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Fullerton throughout August hovers around 84%.
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Humidity
In August, Fullerton averages 84 mm (3.3 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 13 hours 44 minutes of daylight, with the sun shining for approximately 10 hours 24 minutes each day. Additionally, there is a 65% probability of sunny days during this period.
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Chance of sun
In August, the UV Index in Fullerton reaches a maximum of 10, 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 | 6 | 8 | 10 | 10 | 9 | 6 | 4 | 2 | 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 | ||||||