August · United Kingdom
Best time to visit London in August Weather, crowds & prices
Weather in London in August
Average temperature 19°C, 51 mm of rain, about 17 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.8/10
Ranked #3 of 12 months
- Avg temp
- 19°C
- Rainfall
- 51 mm
- Humidity
- 75%
- Days with 6h+ sun
- 17
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in London scores 8.8/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 19°C, 51 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
A historic capital of theatres, museums, and rain-kissed culture, where mild summers invite leisurely strolls through its storied streets.
August is one of the strongest months in London (3rd)
August averages 19°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 51 mm, so plan one flexible day in three; you still get about 17 days with 6+ hours of sunshine and 14.4 hours of daylight.
A 8.8/10 puts this among the year's best months in London (3rd of 12); only June scores higher, at 9.4/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in London in August?
- In August, London averages 19°C, 51 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 8.8/10.
- Is August a good time to visit London?
- August earns a 8.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in London in August?
- Expect about 51 mm of rain in August. Average humidity is 75% and there are about 17 days with 6+ hours of sunshine.
Curated in London
Tickets & experiences
Things to do in London
London, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.