#1Penmaenmawr
2,762 peopleRain a year·39 days of 10 mm+·#144 of 2,537 in England, Scotland, Wales and Northern Ireland
Penmaenmawr, #1 on this list · Photo: Ceri Thomas · CC BY-SA 2.0Clwyd rankings · Climate
Wettest towns in Clwyd
Penmaenmawr is the wettest of Clwyd’s 39 towns of 2,500+: 1,370 mm of rain in a typical year (Met Office, 1991–2020). The typical town here gets 840 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.
#11,370mm
#2Llanfairfechan
3,547 peopleRain a year·38 days of 10 mm+·#146 of 2,537 in England, Scotland, Wales and Northern Ireland
#3Llangollen
3,048 peopleRain a year·27 days of 10 mm+·#558 of 2,537 in England, Scotland, Wales and Northern Ireland
All 39 towns, 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.
39 towns.
#TownRain a yearDays 10 mm+UK rank
Quick answers
Questions people ask
What is the wettest town in Clwyd?
Penmaenmawr: 1,370 mm of rain in a typical year, the most in December 164 mm. Llanfairfechan and Llangollen 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 Clwyd’s towns of 2,500+ with the figure. Smaller places show it on their own pages; every town in Clwyd is on the county page.
Go deeper
All Clwyd rankings →More Clwyd lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
Best places to live39 towns · #1 PenyfforddBest small towns28 towns · #1 PenyfforddMost affordable towns39 towns · #1 RhylSafest towns39 towns · #1 Mynydd IsaHealthiest towns39 towns · #1 PenyfforddBest towns for jobs & income39 towns · #1 GresfordMost walkable towns39 towns · #1 LlandudnoTowns with the lowest flood risk39 towns · #1 Aston and 3 moreBest towns for the outdoors39 towns · #1 PrestatynMost historic towns39 towns · #1 LlangollenTowns with the most civic life39 towns · #1 LlangollenTowns with the highest household incomes39 towns · #1 PenyfforddDescribed, no lettersTowns with the lowest council tax39 towns · #1 Acrefair and Cefn-mawr and 10 moreDescribed, no lettersTowns with the mildest winters39 towns · #1 LlandudnoDescribed, no lettersTowns with the warmest summers39 towns · #1 Connah's QuayDescribed, no lettersTowns with the coolest summers39 towns · #1 Llanfairfechan and PenmaenmawrDescribed, no lettersTowns with the fewest frosts39 towns · #1 LlandudnoDescribed, no lettersDriest towns39 towns · #1 RhylDescribed, 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.