London climate

London Weather in October

NASA POWER reanalysis for the half-degree grid cell around London, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 19°C on October 1 to 11°C on October 31, and lows from 9°C to 3°C. Normal precipitation for the month is 62 mm over about 12 wet days.

October day by day

The normal high and low for each date, and the record, in °C.

Normal daily high and low temperature at London, in °C, with the record for each date.-100102030151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
15°C
Average low
6°C
Precipitation
62 mm
Record high
29°COct 1, 2019
Record low
-4°COct 26, 2016
Daylight
11 h 44 min to 10 h 20 min
Cloud cover
68%
Humidity
77%
Dew point
6°C
Wind
18.7 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowRecord highRecord lowChance wet
Oct 119°C9°C29°C 20191°C 201746%
Oct 219°C9°C27°C 20234°C 202245%
Oct 319°C9°C27°C 20232°C 202244%
Oct 419°C8°C27°C 20231°C 202244%
Oct 518°C8°C24°C 20222°C 201842%
Oct 618°C8°C24°C 20165°C 201242%
Oct 718°C8°C26°C 20170°C 201242%
Oct 818°C8°C27°C 20180°C 201242%
Oct 917°C7°C27°C 20182°C 201242%
Oct 1017°C7°C26°C 20180°C 201642%
Oct 1117°C7°C24°C 20210°C 201241%
Oct 1217°C7°C24°C 2013-2°C 201239%
Oct 1316°C7°C21°C 2021-2°C 201239%
Oct 1416°C6°C24°C 20210°C 201840%
Oct 1516°C6°C23°C 20170°C 201940%
Oct 1615°C6°C21°C 2016-1°C 201842%
Oct 1715°C6°C24°C 2016-1°C 202043%
Oct 1815°C6°C23°C 2016-2°C 201544%
Oct 1914°C5°C21°C 2021-3°C 201544%
Oct 2014°C5°C21°C 2017-2°C 202246%
Oct 2114°C5°C22°C 2017-2°C 202246%
Oct 2213°C5°C23°C 20170°C 202345%
Oct 2313°C5°C23°C 2022-1°C 202344%
Oct 2413°C4°C23°C 2023-2°C 201844%
Oct 2513°C4°C24°C 2012-3°C 201644%
Oct 2613°C4°C20°C 2023-4°C 201645%
Oct 2712°C4°C23°C 2023-1°C 201445%
Oct 2812°C4°C19°C 2014-3°C 201644%
Oct 2912°C3°C19°C 2016-2°C 201343%
Oct 3012°C3°C16°C 2022-2°C 201843%
Oct 3111°C3°C16°C 2013-4°C 202342%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at London, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 7:22 AM, sunset 7:06 PM
October 31
sunrise 7:58 AM, sunset 6:18 PM

Every day of October: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CA006144473, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.