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Climate · London

London in August

Warm and damp, as the days shorten.

Typical weather, averaged over 30 years

August in London is warm: highs near 74°F, lows near 57°F. Rain falls on about three days a week, less often as the month goes on, and the days shorten by 1 hour 43 minutes from the first week to the last.August in London is warm: highs near 23°C, lows near 14°C. Rain falls on about three days a week, less often as the month goes on, and the days shorten by 1 hour 43 minutes from the first week to the last.

High
74°F23°Caverage
Low
57°F14°Caverage
Wet days
3a week · 37% of days
Daylight
14h 31mon average

Is August a good time to visit London?

Yes. August is one of London's best months (June to September).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How August sits in the year

week by week

Temperature

Highs near 74°F in August, against 48°F to 74°F through the year.Highs near 23°C in August, against 9°C to 23°C through the year.

Chance of a wet day

37% of days in August, against 30% to 40% through the year.

Cloud cover

50% cover in August, against 48% to 72% through the year.

Daylight

14h 31m in August, against 7h 54m to 16h 33m through the year.

Week by week, lightly smoothed, with August shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. July74°23°low 56°low 13°3 wet days a weekRain on about three days a week.
  2. August74°23°low 57°low 14°3 wet days a weekRain on about three days a week.
  3. September70°21°low 53°low 12°2 wet days a weekRain on about two days a week.

Where London sits, in August

Europe/London
this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
5:45 AMsets 8:26 PM
Above the sea
10 mlow-lying
Latitude
51.5°Nnorthern hemisphere
Nearest of ours
Leatherhead27 km south-west

The land around London, shaded by its typical high in August, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United Kingdom in August

high · low · wet days
See August on the planning mapThe whole year in London

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest London. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.