London Weather in August – Average Temperature and Rainfall

High
22.6°
Low
14.0°
Rainfall
49 mm
Rainy season
9d
max
33.8°
min
8.1°

August

Early
22.8°
17.9 mm
Mid
23.2°
13.9 mm
Late
21.9°
17.5 mm

Summary

The climate figures for London are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 719 mm.

The rainy season runs –. The wettest month is October with 78.3 mm across 12 rain days; the driest is April at just 40.2 mm.

The hottest month is July (average high 22.9°C) and the coolest is January (7.6°C).

The most comfortable time to visit London is April — less rain and milder heat.

Monthly averages

Common questions

Will it rain in London today?
No. The chance of rain today is only about 0%.
How hot is it in London today?
Between 16°C and 23°C, with a felt maximum of 23°C.
What is the weather in London tomorrow?
Tomorrow: heavy drizzle, 13–21°C, with a 29% chance of rain.

London