What August feels like in London
Late summer arrives in London with August. The middle of the day is pleasantly mild. Little changes after sunset — nights stay mild, only slightly below the daytime level. The air is fairly humid, though at these temperatures it rarely feels oppressive.
Rain in London in August
It is a changeable month: rain comes about one day in 3, with dry spells in between. Wet days average about 5.9 mm (0.2 in), enough to soak you without an umbrella. The yearly figure is similar, around 5.3 mm per wet day.
Daylight and sunshine in August
On 15 August the sun rises at about 5:45 am and sets around 8:26 pm local time, giving 14 h 41 min of daylight. Compared with mid-July, the day has lost 1 h 32 min. The sun is out for roughly 67% of those daylight hours, so there are plenty of bright spells.
How August compares to the rest of the year
August is the 2nd warmest month of the year in London. Compared with July, afternoons are 0.8°C (1.4°F) cooler, with 3 mm less rain. Temperatures keep falling into September. The next month's average high: 19.2°C (66.6°F).
Who August suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: a good fit — good conditions for sitting outside.
Tips for visiting London in August
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is London in August?
Expect around 21.5°C (70.7°F) in the afternoon and 13.6°C (56.5°F) at night, which most visitors would call mild.
Does it rain a lot in London in August?
It does: about 10 rainy days bring roughly 59 mm, so plan some indoor options.
What should I wear in London in August?
The numbers point to rain protection and sunglasses. Evenings feel similar to the day, so the same clothes work from morning to night.
Is August or September better for visiting London?
September, narrowly: it ranks #1 of 12 among London's months, against #3 for the other. September is cooler and has fewer rainy days.