#1Caldicot
9,813 peopleRain a year·25 days of 10 mm+·#1,577 of 2,537 in England, Scotland, Wales and Northern Ireland
Caldicot, #1 on this list · Photo: KamrynMatika2 at English Wikipedia · Public domainGwent rankings · Climate
Driest towns in Gwent
Caldicot is the driest of Gwent’s 38 towns of 2,500+: 850 mm of rain in a typical year (Met Office, 1991–2020). The typical town here gets 1,520 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.
#1850mm
#2Monmouth
10,330 peopleRain a year·27 days of 10 mm+·#1,841 of 2,537 in England, Scotland, Wales and Northern Ireland
#3Undy and Magor
5,742 peopleRain a year·30 days of 10 mm+·#1,937 of 2,537 in England, Scotland, Wales and Northern Ireland
All 38 towns, ranked
Rain a year, lowest 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.
38 towns.
#TownRain a yearDays 10 mm+UK rank
Quick answers
Questions people ask
What is the driest town in Gwent?
Caldicot: 850 mm of rain in a typical year, the most in December 95 mm. Monmouth and Undy and Magor follow.
How are these towns ranked?
By the rain that falls in a typical year, least 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 Gwent’s towns of 2,500+ with the figure. Smaller places show it on their own pages; every town in Gwent is on the county page.
Go deeper
All Gwent rankings →More Gwent lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
Best places to live38 towns · #1 RogerstoneBest small towns25 towns · #1 RogerstoneMost affordable towns38 towns · #1 New TredegarSafest towns38 towns · #1 Pen-pedair-heolHealthiest towns38 towns · #1 Undy and MagorBest towns for jobs & income38 towns · #1 RogerstoneMost walkable towns38 towns · #1 MonmouthTowns with the lowest flood risk38 towns · #1 NantygloBest towns for the outdoors38 towns · #1 ChepstowMost historic towns38 towns · #1 AbergavennyTowns with the most civic life38 towns · #1 BrynmawrTowns with the highest household incomes38 towns · #1 RogerstoneDescribed, no lettersTowns with the lowest council tax38 towns · #1 Aberbargoed and 17 moreDescribed, no lettersTowns with the mildest winters38 towns · #1 CaldicotDescribed, no lettersTowns with the warmest summers38 towns · #1 Undy and MagorDescribed, no lettersTowns with the coolest summers38 towns · #1 Ebbw ValeDescribed, no lettersTowns with the fewest frosts38 towns · #1 Undy and MagorDescribed, no lettersWettest towns38 towns · #1 New TredegarDescribed, no letters
County by county
Driest 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.