climate archive

London weather in 2015

In 2015, the average daily high in London was 14.3°C, 0.1° warmer than the 1991-2020 climate normal (14.2°C). 638 mm of rain fell that year, making it drier than average (649 mm), with 2666 hours of sunshine.

Measured in London. Source: Open-Meteo historical data (ERA5 reanalysis).

Records of 2015

Warmest day: 1 Jul 2015, 32.5°C
Coldest night: 2 Feb 2015, -3.5°C
Wettest day: 24 Jul 2015, 22.6 mm

Day counts for 2015

Frost days (low below 0°C): 26
Ice days (high below 0°C): 0
Warm days (high 25°C or above): 4
Hot days (high 30°C or above): 1

Compared with the climate normal (1991-2020)

The climate normal for London over the 1991-2020 reference period is an average daily high of 14.2°C, 649 mm of rain and 2737 hours of sunshine per year. 2015 differed by 0.1° in temperature and 11 mm in rainfall.

Frequently asked questions

Was 2015 warmer or cooler than average in London?
2015 was 0.1° warmer than the 1991-2020 climate normal, with an average daily high of 14.3°C compared to a normal of 14.2°C.

How much rain fell in London in 2015?
London recorded 638 mm of rain in total in 2015, compared to a climate normal of 649 mm.

What was the warmest day of 2015 in London?
The warmest day of 2015 was 1 Jul 2015, reaching 32.5°C in London.

Other years