climate archive

London weather in 2018

In 2018, the average daily high in London was 15.4°C, 1.2° warmer than the 1991-2020 climate normal (14.2°C). 615 mm of rain fell that year, making it drier than average (649 mm), with 2786 hours of sunshine.

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

Records of 2018

Warmest day: 26 Jul 2018, 32.7°C
Coldest night: 28 Feb 2018, -6°C
Wettest day: 12 May 2018, 15.9 mm

Day counts for 2018

Frost days (low below 0°C): 33
Ice days (high below 0°C): 1
Warm days (high 25°C or above): 34
Hot days (high 30°C or above): 5

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. 2018 differed by 1.2° in temperature and 34 mm in rainfall.

Frequently asked questions

Was 2018 warmer or cooler than average in London?
2018 was 1.2° warmer than the 1991-2020 climate normal, with an average daily high of 15.4°C compared to a normal of 14.2°C.

How much rain fell in London in 2018?
London recorded 615 mm of rain in total in 2018, compared to a climate normal of 649 mm.

What was the warmest day of 2018 in London?
The warmest day of 2018 was 26 Jul 2018, reaching 32.7°C in London.

Other years