#1Croydon
389,242 peopleRain a year·20 days of 10 mm+·#1,430 of 2,537 in England, Scotland, Wales and Northern Ireland
Croydon, #1 on this list · Photo: Stephen Richards · CC BY-SA 2.0London rankings · Climate
Wettest towns in London
Croydon is the wettest of London’s 33 boroughs: 739 mm of rain in a typical year (Met Office, 1991–2020). The typical town here gets 629 mm.
Rain in a typical year, in millimetres. Met Office HadUK-Grid 1991–2020 averages on its 2 km grid, the cells inside each town averaged (contains Met Office data © Crown copyright). A described list: no letters. The rank across England, Scotland, Wales and Northern Ireland sits beside each figure.
#1739mm
#2Bromley
325,469 peopleRain a year·18 days of 10 mm+·#1,601 of 2,537 in England, Scotland, Wales and Northern Ireland
#3Barnet
388,572 peopleRain a year·17 days of 10 mm+·#1,636 of 2,537 in England, Scotland, Wales and Northern Ireland
All 33 boroughs, ranked
Rain a year, highest first. Towns smaller than a 2 km cell share its figures. Towns with the same figure share a rank (T = tied). Each rank across England, Scotland, Wales and Northern Ireland links to the national list.
33 boroughs.
#TownRain a yearDays 10 mm+UK rank
Quick answers
Questions people ask
What is the wettest town in London?
Croydon: 739 mm of rain in a typical year, the most in November 81 mm. Bromley and Barnet follow.
How are these towns ranked?
By the rain that falls in a typical year, most first, from the Met Office’s 1991–2020 averages on its 2 km grid: the cells inside the town, or the one nearest its centre for a town smaller than a cell. The figure is the one on each town’s Climate page.
Why isn’t my town on this list?
The list covers London’s towns of 2,500+ with the figure. Smaller places show it on their own pages; every town in London is on the county page.
Go deeper
All London rankings →More London lists
Every list ranks the same 2,500+ boroughs, so a borough’s rank means the same thing on each.
Best places to live33 boroughs · #1 Richmond upon ThamesMost affordable towns33 boroughs · #1 SuttonSafest towns33 boroughs · #1 Richmond upon ThamesTowns with the best schools33 boroughs · #1 Richmond upon ThamesHealthiest towns33 boroughs · #1 City of LondonBest towns for jobs & income33 boroughs · #1 City of LondonMost walkable towns33 boroughs · #1 City of London and 2 moreTowns with the lowest flood risk33 boroughs · #1 Camden and 4 moreBest towns for the outdoors33 boroughs · #1 BexleyMost historic towns33 boroughs · #1 WestminsterTowns with the most civic life33 boroughs · #1 City of LondonTowns with the highest household incomes33 boroughs · #1 Richmond upon ThamesDescribed, no lettersTowns with the lowest council tax33 boroughs · #1 WandsworthDescribed, no lettersTowns with the mildest winters33 boroughs · #1 City of LondonDescribed, no lettersTowns with the warmest summers33 boroughs · #1 IslingtonDescribed, no lettersTowns with the coolest summers33 boroughs · #1 CroydonDescribed, no lettersTowns with the fewest frosts33 boroughs · #1 City of LondonDescribed, no lettersDriest towns33 boroughs · #1 Barking and Dagenham and NewhamDescribed, no letters
County by county
Wettest towns, county by county
AberdeenshireBedfordshireBerkshireBuckinghamshireCambridgeshireCheshireClwydCornwallCounty DurhamCumbriaDerbyshireDevonDorsetDyfedEast Riding of YorkshireEast SussexEssexFifeGloucestershireGreater ManchesterGwentHampshireHertfordshireHighlandKentLancashireLeicestershireLincolnshireLondonMerseysideMid GlamorganNorfolkNorth LanarkshireNorth YorkshireNorthamptonshireNorthumberlandNottinghamshireOxfordshireShropshireSomersetSouth LanarkshireSouth YorkshireStaffordshireSuffolkSurreyTyne and WearWarwickshireWest GlamorganWest MidlandsWest SussexWest YorkshireWiltshireWorcestershire
Sources: . All under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.