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Climate in Rhosllannerchrugog · Met Office 1991–2020 averages

Winter nights in Rhosllannerchrugog are colder than in 79% of UK towns

High summer brings afternoon highs near 20.2°C (68°F). It is a wet place: more rain falls here than on 73% of UK towns. A year here swings 19°C from midwinter lows to midsummer highs. Long walks are most pleasant from June to September, when afternoons reach 17–20°C.

July afternoons: cooler than 72% of UK towns
January nights: colder than 79% of UK towns
Rain a year: wetter than 73% of UK towns

Met Office 1991–2020 averages for the town itself.

A year in Rhosllannerchrugog at a glance

Each month’s typical high and low, in °C.

Jan7°C1°C
Feb8°C1°CColdest nights
Mar10°C2°C
Apr13°C4°C
May16°C7°C
Jun19°C10°C
Jul20°C11°CWarmest
Aug20°C11°C
Sep17°C9°C
Oct14°C7°C
Nov now10°C4°C
Dec8°C2°CWettest
A normal year

What a year in Rhosllannerchrugog feels like

Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.

Winter
8°C / 2°C
46°F / 35°F · 266 mm of rain, the wettest season
Spring
13°C / 4°C
55°F / 40°F · 200 mm of rain
Summer
20°C / 11°C
67°F / 51°F · 7 days of 25°C+ a year
Autumn
14°C / 7°C
57°F / 44°F · 266 mm of rain
Best months to be outsideJunJulAugSepHighs of 17–27°C (63–81°F) and nights of 8°C (46°F) or more
Rain

About 930 mm of rain a year

December is the wettest month and August the driest. About 25 days a year bring 10 mm (0.4 in) or more. 5th wettest of 39 Clwyd towns of 2,500+.

930 mm
Rain a year (37 in)
Wetter than 73% of UK towns
25
Days a year with 10 mm of rain or more
1,392 hrs
Sunshine a year at Shawbury
22 miles away

Rain by month

Millimetres

105 mm
JFMAMJJASOND

Sunshine by month

Hours of bright sunshine at Shawbury

181 h
JFMAMJJASOND
Frost & warm days

45 air frosts and 7 days of 25°C a year

On about 45 nights a year the air drops below freezing, and on about under 1 days it stays below freezing all day. About 7 days a year reach 25°C (77°F).

45
Air frosts a year (below 0°C)
More frosts than 67% of UK towns
under 1
Days that stay below 0°C
7
Days of 25°C (77°F) or more
Fewer warm days than 70% of UK towns

Day counts are 1991–2020 averages from the Met Office’s 2 km grid. The Met Office calls a day of 25°C or more a summer day and a night below 0°C an air frost; ground frosts, on grass, come more often.

Weather station

The Met Office station at Shawbury

Shawbury is 22 miles south-east of Rhosllannerchrugog, 72 m (236 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.

MonthHighLowRainAir frostsSun (hours)
January7.5°C1.2°C57 mm11.750
February8.1°C1.2°C43 mm10.871
March10.3°C2.3°C43 mm8.2109
April13.2°C3.9°C47 mm4.4148
May16.3°C6.7°C54 mm0.9181
June19.1°C9.6°C59 mm0.0173
July21.1°C11.5°C58 mm0.0179
August20.7°C11.4°C64 mm0.0156
September18.1°C9.3°C61 mm0.0127
October14.2°C6.6°C69 mm1.892
November10.3°C3.5°C61 mm6.759
December7.7°C1.3°C66 mm11.248
Year13.9°C5.7°C682 mm561,392

Met Office historic station data, Shawbury, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Kipp & Zonen recorder.

Compared with other towns

How Rhosllannerchrugog compares

Against the 2,537 towns and cities of 2,500 or more across the UK, each with its own Met Office averages, and its place among Clwyd towns that size.

July afternoons20.2°C (68°F)
Cooler than 72% of UK towns26th warmest of 39 Clwyd towns
January nights1.4°C (34°F)
Colder than 79% of UK towns37th mildest of 39 Clwyd towns
Rain a year930 mm (37 in)
Wetter than 73% of UK towns5th wettest of 39 Clwyd towns
Air frosts a year45 nights
More frosts than 67% of UK towns5th frostiest of 39 Clwyd towns
Days of 25°C or more7 days
Fewer warm days than 70% of UK towns24th most 25°C days of 39 Clwyd towns
Next door

Nearby towns’ climate

The nearest towns of 1,000+ within 12 miles: a hill, a valley or the sea can make a real difference over a few miles.

TownJuly highJanuary lowRain a year
Rhosllannerchrugog20.2°C1.4°C930 mm
Ruabon 1.4 mi20.5°C about the same1.7°C about the same859 mm
Rhostyllen 2.1 mi20.2°C about the same1.8°C about the same921 mm
Acrefair and Cefn-mawr 2.3 mi20.9°C 0.6°C warmer1.8°C about the same899 mm
Trevor 2.9 mi20.9°C 0.6°C warmer1.8°C about the same904 mm
Coedpoeth 3.3 mi20.4°C about the same1.2°C about the same859 mm
Tanyfron 3.9 mi20.4°C about the same1.2°C about the same859 mm
Month by month

Rhosllannerchrugog weather by month

Average daily high and low, mean temperature and rain, 1991–2020, for the town itself (the Met Office’s HadUK-Grid).

MonthHighLowMeanRain
January7.2°C 45°F1.4°C 34°F4.3°C89 mm 3.5 in
February7.6°C 46°F1.3°C 34°F4.5°C72 mm 2.8 in
March9.9°C 50°F2.5°C 36°F6.2°C68 mm 2.7 in
April12.8°C 55°F4.2°C 39°F8.5°C66 mm 2.6 in
May16.0°C 61°F6.8°C 44°F11.4°C67 mm 2.6 in
June18.5°C 65°F9.5°C 49°F14.1°C71 mm 2.8 in
July20.2°C 68°F11.4°C 52°F15.9°C64 mm 2.5 in
August20.0°C 68°F11.4°C 53°F15.7°C62 mm 2.4 in
September17.5°C 63°F9.3°C 49°F13.4°C70 mm 2.8 in
October13.8°C 57°F6.8°C 44°F10.3°C95 mm 3.7 in
November10.1°C 50°F3.9°C 39°F7.0°C100 mm 4.0 in
December7.8°C 46°F1.9°C 35°F4.8°C105 mm 4.1 in
Year13.4°C5.8°C9.7°C930 mm
Sources

Where Rhosllannerchrugog’s numbers come from

Averages over 30 years, not a forecast.

  • Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 1 Met Office 2 km grid square whose centre lies inside Rhosllannerchrugog’s built-up area.
  • Highs and lows: the Met Office publishes average daily maxima and minima on its 12 km grid; each is moved by the difference between the town’s 2 km mean temperature and the 12 km square’s, which carries the town’s own height and setting over.
  • Weather station and sunshine: Met Office historic station data for Shawbury, 22 miles away, months of 1991–2020 averaged.
  • Comparisons: every town and city of 2,500 or more across the UK, all four nations, read the same way.

Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.

Questions about Rhosllannerchrugog’s climate

How warm does Rhosllannerchrugog get in summer?

July is the warmest month, with average highs of 20.2°C (68°F). About 7 days a year reach 25°C (77°F), fewer than 70% of UK towns.

How cold does Rhosllannerchrugog get in winter?

February nights average 1.3°C (34°F). The air drops below freezing on about 45 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Rhosllannerchrugog get?

About 930 mm (37 in) a year, more than 73% of UK towns. December is the wettest month (105 mm) and August the driest (62 mm).

How sunny is it?

The nearest Met Office station with a sunshine record, Shawbury (22 miles away), averages 1,392 hours of bright sunshine a year. Sunshine isn’t on the town grid, so this is the station’s figure.

Where do these figures come from?

The Met Office’s HadUK-Grid 1991–2020 averages, which turn thousands of weather stations into a map of the UK in 2 km squares; the page reads the squares inside Rhosllannerchrugog. They are 30-year averages, not a forecast.

Contains Met Office data © Crown copyright 2026, Open Government Licence v3.0. HadUK-Grid 1991–2020 averages via the Met Office Climate Data Portal; station averages from Met Office historic station data. Today’s forecast for Rhosllannerchrugog →

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.