climigo

Wales

When to go?

No ideal month: the best months are July–August, the least rainy with the right temperature. Nothing against February–June, September either. Avoid October–January (often rainy).

Climate zones

South West EnglandWest MidlandsNorth West EnglandCardiffCardiffCardiffLlanfairpwllgwyngyllLlanfairpwllgwyngyllLlanfairpwllgwyngyllSwanseaSwanseaSwanseaWrexhamWrexhamWrexhamPortmeirionPortmeirionPortmeirion

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 7°2°
February 7°2°
March 9°3°
April 12°4°
May 15°7°
June 18°10°
July 19°12°
August 19°12°
September 17°10°
October 14°8°
November 10°5°
December 7°3°

Monthly min and max temperature (°C)

−5°0°5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDec2.2 · 6.7 °CJanuary: 2.2 · 6.7 °C2.2 · 7.4 °CFebruary: 2.2 · 7.4 °C2.7 · 9.4 °CMarch: 2.7 · 9.4 °C4.1 · 12.1 °CApril: 4.1 · 12.1 °C7.0 · 15.2 °CMay: 7.0 · 15.2 °C9.8 · 17.9 °CJune: 9.8 · 17.9 °C11.5 · 19.4 °CJuly: 11.5 · 19.4 °C11.6 · 19.1 °CAugust: 11.6 · 19.1 °C9.9 · 17.1 °CSeptember: 9.9 · 17.1 °C7.7 · 13.6 °COctober: 7.7 · 13.6 °C4.8 · 9.7 °CNovember: 4.8 · 9.7 °C2.9 · 7.4 °CDecember: 2.9 · 7.4 °C

Monthly min and max temperature (°C)

Jan 2.2 – 6.7 °C
Feb 2.2 – 7.4 °C
Mar 2.7 – 9.4 °C
Apr 4.1 – 12.1 °C
May 7.0 – 15.2 °C
Jun 9.8 – 17.9 °C
Jul 11.5 – 19.4 °C
Aug 11.6 – 19.1 °C
Sep 9.9 – 17.1 °C
Oct 7.7 – 13.6 °C
Nov 4.8 – 9.7 °C
Dec 2.9 – 7.4 °C

How much it rains

January 136 mm15 d
February 114 mm13 d
March 95 mm12 d
April 81 mm11 d
May 86 mm11 d
June 83 mm11 d
July 89 mm11 d
August 106 mm12 d
September 114 mm11 d
October 166 mm15 d
November 160 mm16 d
December 162 mm16 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec136 mm · 15 rain days · 9 mm a dayJanuary: 136 mm · 15 rain days · 9 mm a day114 mm · 13 rain days · 9 mm a dayFebruary: 114 mm · 13 rain days · 9 mm a day95 mm · 12 rain days · 8 mm a dayMarch: 95 mm · 12 rain days · 8 mm a day81 mm · 11 rain days · 7 mm a dayApril: 81 mm · 11 rain days · 7 mm a day86 mm · 11 rain days · 8 mm a dayMay: 86 mm · 11 rain days · 8 mm a day83 mm · 11 rain days · 8 mm a dayJune: 83 mm · 11 rain days · 8 mm a day89 mm · 11 rain days · 8 mm a dayJuly: 89 mm · 11 rain days · 8 mm a day106 mm · 12 rain days · 9 mm a dayAugust: 106 mm · 12 rain days · 9 mm a day114 mm · 11 rain days · 10 mm a daySeptember: 114 mm · 11 rain days · 10 mm a day166 mm · 15 rain days · 11 mm a dayOctober: 166 mm · 15 rain days · 11 mm a day160 mm · 16 rain days · 10 mm a dayNovember: 160 mm · 16 rain days · 10 mm a day162 mm · 16 rain days · 10 mm a dayDecember: 162 mm · 16 rain days · 10 mm a day

Rain days and how much water

Jan 136 mm15 d
Feb 114 mm13 d
Mar 95 mm12 d
Apr 81 mm11 d
May 86 mm11 d
Jun 83 mm11 d
Jul 89 mm11 d
Aug 106 mm12 d
Sep 114 mm11 d
Oct 166 mm15 d
Nov 160 mm16 d
Dec 162 mm16 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 8 h 15
February 9 h 57
March 11 h 49
April 13 h 53
May 15 h 41
June 16 h 43
July 16 h 17
August 14 h 42
September 12 h 42
October 10 h 42
November 8 h 49
December 7 h 46

Mean daylight hours over the whole territory.

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Main cities

Cardiff

Llanfairpwllgwyngyll

Swansea

Cities