Template: London weatherbox

<noinclude>{{pp-template|small=yes}}{{Use dmy dates|date=August 2014}}</noinclude>{{Weather box|location = London ([[LHR]]),{{efn|Averages are taken from Heathrow, and extremes are taken from stations across London.}} elevation: {{convert|25|m|ft|0|abbr=on}}, 1991–2020 normals
|name=London weatherbox
|collapsed =
|metric first = yes
|single line = yes
|Jan record high C = 17.2
|Feb record high C = 21.2
|Mar record high C = 24.5
|Apr record high C = 29.4
|May record high C = 32.8
|Jun record high C = 35.6
|Jul record high C = 40.2
|Aug record high C = 38.1
|Sep record high C = 35.0
|Oct record high C = 29.5
|Nov record high C = 21.1
|Dec record high C = 17.4
|Jan high C = 8.4
|Feb high C = 9.0
|Mar high C = 11.7
|Apr high C = 15.0
|May high C = 18.4
|Jun high C = 21.6
|Jul high C = 23.9
|Aug high C = 23.4
|Sep high C = 20.2
|Oct high C = 15.8
|Nov high C = 11.5
|Dec high C = 8.8
|year high C = 15.7
|Jan mean C = 5.6
|Feb mean C = 5.8
|Mar mean C = 7.9
|Apr mean C = 10.5
|May mean C = 13.7
|Jun mean C = 16.8
|Jul mean C = 19.0
|Aug mean C = 18.7
|Sep mean C = 15.9
|Oct mean C = 12.3
|Nov mean C = 8.4
|Dec mean C = 5.9
|year mean C = 11.7
|Jan low C = 2.7
|Feb low C = 2.7
|Mar low C = 4.1
|Apr low C = 6.0
|May low C = 9.1
|Jun low C = 12.0
|Jul low C = 14.2
|Aug low C = 14.1
|Sep low C = 11.6
|Oct low C = 8.8
|Nov low C = 5.3
|Dec low C = 3.1
|year low C = 7.8
|Jan record low C = -16.1
|Feb record low C = -13.9
|Mar record low C = -8.9
|Apr record low C = -5.6
|May record low C = -3.1
|Jun record low C = -0.6
|Jul record low C = 3.9
|Aug record low C = 2.1
|Sep record low C = 1.4
|Oct record low C = -5.5
|Nov record low C = -7.1
|Dec record low C = -17.4
|precipitation colour = green
|Jan precipitation mm = 58.8
|Feb precipitation mm = 45.0
|Mar precipitation mm = 38.8
|Apr precipitation mm = 42.3
|May precipitation mm = 45.9
|Jun precipitation mm = 47.3
|Jul precipitation mm = 45.8
|Aug precipitation mm = 52.8
|Sep precipitation mm = 49.6
|Oct precipitation mm = 65.1
|Nov precipitation mm = 66.6
|Dec precipitation mm = 57.1
|year precipitation mm = 615.0
|unit precipitation days = 1.0 mm

|Jan precipitation days = 11.5
|Feb precipitation days = 9.5
|Mar precipitation days = 8.5
|Apr precipitation days = 8.8
|May precipitation days = 8.0
|Jun precipitation days = 8.3
|Jul precipitation days = 7.9
|Aug precipitation days = 8.4
|Sep precipitation days = 7.9
|Oct precipitation days = 10.8
|Nov precipitation days = 11.2
|Dec precipitation days = 10.8
|year precipitation days = 111.7
| Jan humidity    = 80
| Feb humidity    = 77
| Mar humidity    = 70
| Apr humidity    = 65
| May humidity    = 67
| Jun humidity    = 65
| Jul humidity    = 65
| Aug humidity    = 69
| Sep humidity    = 73
| Oct humidity    = 78
| Nov humidity    = 81
| Dec humidity    = 81
| year humidity   = 73
| Jan dew point C = 3
| Feb dew point C = 2
| Mar dew point C = 2
| Apr dew point C = 4
| May dew point C = 7
| Jun dew point C = 10
| Jul dew point C = 12
| Aug dew point C = 12
| Sep dew point C = 10
| Oct dew point C = 9
| Nov dew point C = 6
| Dec dew point C = 3
|Jan sun = 61.1
|Feb sun = 78.8
|Mar sun = 124.5
|Apr sun = 176.7
|May sun = 207.5
|Jun sun = 208.4
|Jul sun = 217.8
|Aug sun = 202.1
|Sep sun = 157.1
|Oct sun = 115.2
|Nov sun = 70.7
|Dec sun = 55.0
|year sun = 1674.8
|Jan percentsun = 23
|Feb percentsun = 28
|Mar percentsun = 31
|Apr percentsun = 40
|May percentsun = 41
|Jun percentsun = 41
|Jul percentsun = 42
|Aug percentsun = 45
|Sep percentsun = 40
|Oct percentsun = 35
|Nov percentsun = 27
|Dec percentsun = 21
|year percentsun = 35
|Jan uv = 1
|Feb uv = 1
|Mar uv = 2
|Apr uv = 4
|May uv = 5
|Jun uv = 6
|Jul uv = 6
|Aug uv = 5
|Sep uv = 4
|Oct uv = 2
|Nov uv = 1
|Dec uv = 0
|source 1 = [[Met Office]]<ref>{{cite web |url=https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-climate-averages/gcpsvg3nc |title=London Heathrow Airport |publisher=[[Met Office]] |access-date=17 December 2021}}</ref><ref>{{cite web|url=https://twitter.com/metoffice/status/1154407682981412864|title=Station Data|publisher=Met Office|access-date=8 May 2020}}</ref><ref>{{cite web |url=https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-climate-extremes|title=UK Climate Extremes |publisher=[[Met Office]] |access-date=3 July 2021}}</ref> [[Royal Netherlands Meteorological Institute]]<ref>{{cite web |url=http://eca.knmi.nl/indicesextremes/customquerytimeseriesplots.php |title=Heathrow Airport Extreme Values |publisher=[[Royal Netherlands Meteorological Institute|KNMI]] |access-date=29 November 2015}}</ref><ref>{{cite web
| url =http://eca.knmi.nl/utils/mapserver/climatology.php?indexcat=**&indexid=TXx&periodidselect=1981-2010&seasonid=0&scalelogidselect=no&CMD=ZOOM_IN#bottom |title = Heathrow 1981–2010 mean maximum and minimum values | access-date =28 December 2017 | publisher = [[KNMI (institute)|KNMI]]}}</ref>
|source 2 = Weather Atlas (percent sunshine and UV Index)<ref name="Weather Atlas">{{cite web |url= https://www.weather-atlas.com/en/united-kingdom/london-weather-march |title=London, United Kingdom – Climate data |publisher=Weather Atlas |access-date=11 March 2020 }}</ref> CEDA Archive<ref>{{cite web |url=https://data.ceda.ac.uk/badc/ukmo-midas-open/data/uk-daily-temperature-obs/dataset-version-202007/greater-london/00728_waddon/qc-version-1|title=MIDAS Open: UK daily temperature data, v202007|publisher=CEDA Archive |access-date=3 July 2021 }}</ref> [[TORRO]]<ref>{{cite web |url=https://www.torro.org.uk/extremes/date-records/max-temp|title=Maximum temperature date records
|publisher=[[TORRO]] |access-date=3 July 2021 }}</ref> Time and Date<ref>{{cite web |url=https://www.timeanddate.com/weather/uk/london/climate|title=Climate & Weather Averages in London, England, United Kingdom|publisher=Time and Date |access-date=9 January 2022 }}</ref>
See [[Climate of London]] for additional climate information.
}}
{{noteslist}}
<noinclude>
[[Category:London-related templates]]
[[Category:United Kingdom weatherbox templates]]
{{Template reference list}}
</noinclude>