Average humidity in London

On this page you find more information about the monthly relative humidity over the year in London (Greater London), the United Kingdom.

London shows variation in the level of humidity throughout the year. The highest humidity is noted duing November, it reaches up to 81%, which is categorized as very high.

On the other hand, the lowest humidity is recorded in April, with levels falling to 64%.

The average humidity in London is approximately 72%, which is high.

Humidity is an essential factor in how you experience temperature. During the warmest month, July, the temperature is around 23°C. When this period is accompanied by high humidity, it results in a higher perceived temperature. This can cause greater discomfort, while in winter it can make the air feel much colder, adding to the cooler temperatures. Check out our detailed temperature page for more information.