London Weather in August
Thinking of visiting London in August? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in London in August
The climate data from previous years indicates about 12 days of rain, averaging 66 mm (2.6 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in London in August
The temperature in London in August is excellent. Daytime highs reach 23°C (73°F), with nights dropping to 13°C (55°F). During August, the summer season is in full swing. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in London in August
Enjoy a sunny month with about 204 hours of sunshine, the clear skies make London even more beautiful.
Wind Speed in London in August
Wind speeds average 3 m/s (6 knots) during August. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit London.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our London's climate page.
London Temperature in August
Min Temperature
13°C (55°F)
Max Temperature
23°C (73°F)
Chance of Rain
41%
Precipitation
66 mm (2.6 in)
Rainy days
12 days
Humidity
68%
Windspeed
3 m/s (6 knots)
Sunshine
204 hours
Percentage Sunshine
45%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in London typically stay consistent throughout August, with daily highs averaging around 23°C (73°F). Nights are cool, with lows typically ranging from 13°C (55°F) to 15°C (59°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for London in August
Browse day-by-day weather records for London spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
London historical weather extremes in August
Based on 49 years of weather observations in London between 1976 and 2025, these are the recorded extremes.
- On August 10, 2003, temperatures climbed to 37°C (99°F), marking the warmest August day on record.
- The coldest August day was on August 19, 1977, with a maximum of 14°C (57°F).
- Nighttime temperatures dropped to 6°C (43°F) on August 28, 1979, marking the coldest August night on record.
Best Places in the United Kingdom in August
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in August →
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What to Wear in London in August
For London in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in London in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our London's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full London climate overview or explore weather in the United Kingdom.
