20-Year Climate Average
London, England, United Kingdom Weather in August
Normal High
71°F
Normal Low
56°F
Rainy Days
~16 of the month
Chance of Rain
51%
Humidity
71%
UV index
Not available
Daylight
14.5 hours
Peak wind
12 mph
Usually good for: running and hiking.
Based on August climate records from 2006–2025 (Open-Meteo Historical Weather Archive). These are planning averages, not a forecast. Data: Open-Meteo.com, CC BY 4.0.
Current conditions
Forecast versus the climate baseline
67°F
It currently feels like 68°F with 64% humidity, a 54°F dew point and 1 mph wind. Climate averages describe the month; this live reading is what matters for plans today.
68° / 56° · 2% rain
64° / 51° · 93% rain
60° / 47° · 6% rain
Best Months to Visit London, England, United Kingdom
Ranked by historical rainy-day frequency — the driest months over the past 20 years.
Methodology
Monthly values use the 2001–2020 observation period. Temperature, precipitation, humidity or dew point, wind, UV and daylight are shown only when the selected source provides them; unavailable fields are never estimated or silently replaced. These are planning normals, not guarantees for a specific trip.
What is the weather like in London, England, United Kingdom in August?
The 20-year average high in London, England, United Kingdom in August is 71°F, with a low around 56°F and about 16 rainy days.