Last updated: March 2, 2024
The weather in Merstham, United Kingdom, during July is characterized by an average temperature of 18°C (65°F). Highs can soar to 30°C (87°F), while lows may dip to 10°C (51°F). Typically, the humidity level in Merstham throughout July hovers around 71%.
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Average temperature
Maximum temperature
Humidity
In July, Merstham averages 66 mm (2.6 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 16 hours 1 minutes of daylight, with the sun shining for approximately 13 hours 9 minutes each day. Additionally, there is a 39% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In July, the UV Index in Merstham reaches a maximum of 8, 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 | 5 | 7 | 8 | 8 | 8 | 7 | 5 | 3 | 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 | ||||||