#T1Llanfairfechan
3,547 peopleJuly high·2 days of 25°C+ a year·#17 of 2,537 in England, Scotland, Wales and Northern Ireland
Llanfairfechan, #1 on this list · Photo: Reading Tom from Reading, UK · CC BY 2.0Clwyd rankings · Climate
Towns with the coolest summers in Clwyd
Llanfairfechan (tied with 1 more) has the coolest summers of Clwyd’s 39 towns of 2,500+: July afternoons average a high of 17.5°C (Met Office, 1991–2020). The typical town here averages 20.4°C.
The average July high (the warmest month’s afternoons). 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.
#T117.5°C
#T1Penmaenmawr
2,762 peopleJuly high·1 days of 25°C+ a year·#17 of 2,537 in England, Scotland, Wales and Northern Ireland
#3Colwyn Bay
29,273 peopleJuly high·4 days of 25°C+ a year·#279 of 2,537 in England, Scotland, Wales and Northern Ireland
All 39 towns, ranked
July high, lowest first. Temperatures are ranked on two decimals and shown to one, so two towns showing the same figure can rank apart; 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.
#TownJuly highDays 25°C+UK rank
Quick answers
Questions people ask
Which town in Clwyd has the coolest summers?
Llanfairfechan: July afternoons average a high of 17.5°C, with 2 days of 25°C or more in a typical year. Penmaenmawr and Colwyn Bay follow.
How are these towns ranked?
By the average July high, lowest 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 fewest frosts39 towns · #1 LlandudnoDescribed, no lettersDriest towns39 towns · #1 RhylDescribed, no lettersWettest towns39 towns · #1 PenmaenmawrDescribed, no letters
County by county
Towns with the coolest summers, 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.