Last updated: March 2, 2024
The weather in London, United Kingdom, during August is characterized by an average temperature of 18°C (64°F). Highs can soar to 29°C (84°F), while lows may dip to 10°C (50°F). Typically, the humidity level in London throughout August hovers around 76%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, London averages 70 mm (2.7 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 30 minutes of daylight, with the sun shining for approximately 11 hours 53 minutes each day. Additionally, there is a 25% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in London 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 | 2 | 3 | 4 | 6 | 7 | 7 | 7 | 6 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||