Last updated: March 2, 2024
The weather in London, United States, during July is characterized by an average temperature of 27°C (82°F). Highs can soar to 36°C (97°F), while lows may dip to 18°C (65°F). Typically, the humidity level in London throughout July hovers around 75%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, London averages 86 mm (3.4 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 14 hours 14 minutes of daylight, with the sun shining for approximately 11 hours 16 minutes each day. Additionally, there is a 60% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In July, the UV Index in London 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 | 2 | 3 | 6 | 8 | 10 | 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 | ||||