climate archive

London weather in 2009

In 2009, the average daily high in London was 13.9°C, 0.3° cooler than the 1991-2020 climate normal (14.2°C). 619 mm of rain fell that year, making it drier than average (649 mm), with 2778 hours of sunshine.

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

Records of 2009

Warmest day: 29 Jun 2009, 26.5°C
Coldest night: 3 Feb 2009, -7.8°C
Wettest day: 9 Feb 2009, 19.5 mm

Day counts for 2009

Frost days (low below 0°C): 47
Ice days (high below 0°C): 1
Warm days (high 25°C or above): 6
Hot days (high 30°C or above): 0

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. 2009 differed by 0.3° in temperature and 30 mm in rainfall.

Frequently asked questions

Was 2009 warmer or cooler than average in London?
2009 was 0.3° cooler than the 1991-2020 climate normal, with an average daily high of 13.9°C compared to a normal of 14.2°C.

How much rain fell in London in 2009?
London recorded 619 mm of rain in total in 2009, compared to a climate normal of 649 mm.

What was the warmest day of 2009 in London?
The warmest day of 2009 was 29 Jun 2009, reaching 26.5°C in London.

Other years