Last updated: March 2, 2024
The weather in Ystradgynlais, United Kingdom, during August is characterized by an average temperature of 15°C (60°F). Highs can soar to 24°C (76°F), while lows may dip to 7°C (45°F). Typically, the humidity level in Ystradgynlais throughout August hovers around 73%.
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Humidity
In August, Ystradgynlais averages 139 mm (5.5 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 14 hours 31 minutes of daylight, with the sun shining for approximately 11 hours 39 minutes each day. Additionally, there is a 28% probability of sunny days during this period.
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In August, the UV Index in Ystradgynlais reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 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 | 5 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||