London Weather in August: Climate, Temperature & Travel Tips
Avg 17.7°C · 62mm rain — August is summer in London.
- Avg high
- 21.9 °C
- Avg low
- 13.6 °C
- Avg
- 17.7 °C
- Precipitation
- 62 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
August in London, United Kingdom brings summer conditions: average temperature 17.7°C, average high 21.9°C, average low 13.6°C. Monthly rainfall averages 62mm, making it a moderate-rainfall time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Light layers (long sleeves + light jacket for evenings)
- Comfortable walking shoes
- A light rain jacket as backup
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in August
Pros:
- Pleasant temperatures for walking and outdoor sightseeing
Cons:
- Peak season — expect higher prices and more crowds
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 July 18.5°C
- 2 August 17.7°C
- 3 June 16.5°C
- 1 January 4.8°C
- 2 February 5.7°C
- 3 December 6.5°C
FAQ
01 What is the average temperature in London in August? +
The average is 17.7°C, with a high of 22°C and a low of 14°C.
02 What is London like to visit in August? +
It is summer in London, which is ideal for outdoor exploration.
03 Does it rain often in London during August? +
Average rainfall is 62mm, which is moderate.
04 What should I pack for London in August? +
Light layers (long sleeves + light jacket for evenings); Comfortable walking shoes.
05 Is August a peak travel season for London? +
Generally yes — book accommodations and flights well in advance.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17