Wales weather
The Wales weather guide shows the monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Wales.
Wales weather averages
Check the Wales weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Wales. The Wales weather averages shown below are for Cardiff.
Wales weather by month
Check the weather for Wales for a particular month by selecting from the list below. The Wales monthly weather averages are for Cardiff. This gives the best indication of what to expect from the weather months in advance.
Wales weather in January
The average maximum daytime temperature in Wales (Cardiff) in January is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 2 hours of sunshine a day in Wales (Cardiff) during January.
- 8°C max day temperature
8 - 2 hours of sunshine per day
2 - 19 days with some rainfall
19 - 2°C min night temperature
2 - 105 mm of monthly rainfall
105
On average 105 mm (4.1 inches) of rain normally falls in Wales (Cardiff) during January with rain falling on 19 days of the month.
Wales weather in February
The average maximum daytime temperature in Wales (Cardiff) in February is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Wales (Cardiff) during February.
- 8°C max day temperature8
- 3 hours of sunshine per day
3 - 15 days with some rainfall
15 - 2°C min night temperature2
- 79 mm of monthly rainfall
79
On average 79 mm (3.1 inches) of rain normally falls in Wales (Cardiff) during February with rain falling on 15 days of the month.
Wales weather in March
The average maximum daytime temperature in Wales (Cardiff) in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 4 hours of sunshine a day in Wales (Cardiff) during March.
- 10°C max day temperature10
- 4 hours of sunshine per day
4 - 17 days with some rainfall
17 - 3°C min night temperature3
- 76 mm of monthly rainfall76
On average 76 mm (3 inches) of rain normally falls in Wales (Cardiff) during March with rain falling on 17 days of the month.
Wales weather in April
The average maximum daytime temperature in Wales (Cardiff) in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Wales (Cardiff) during April.
- 12°C max day temperature
12 - 5 hours of sunshine per day
5 - 14 days with some rainfall14
- 4°C min night temperature
4 - 60 mm of monthly rainfall
60
On average 60 mm (2.4 inches) of rain normally falls in Wales (Cardiff) during April with rain falling on 14 days of the month.
Wales weather in May
The average maximum daytime temperature in Wales (Cardiff) in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 6 hours of sunshine a day in Wales (Cardiff) during May.
- 16°C max day temperature
16 - 6 hours of sunshine per day
6 - 13 days with some rainfall13
- 7°C min night temperature7
- 61 mm of monthly rainfall61
On average 61 mm (2.4 inches) of rain normally falls in Wales (Cardiff) during May with rain falling on 13 days of the month.
Wales weather in June
The average maximum daytime temperature in Wales (Cardiff) in June is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 7 hours of sunshine a day in Wales (Cardiff) during June.
- 18°C max day temperature
18 - 7 hours of sunshine per day
7 - 13 days with some rainfall13
- 10°C min night temperature10
- 61 mm of monthly rainfall61
On average 61 mm (2.4 inches) of rain normally falls in Wales (Cardiff) during June with rain falling on 13 days of the month.
Wales weather in July
The average maximum daytime temperature in Wales (Cardiff) in July is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Wales (Cardiff) during July.
- 21°C max day temperature21
- 6 hours of sunshine per day6
- 12 days with some rainfall
12 - 12°C min night temperature12
- 54 mm of monthly rainfall54
On average 54 mm (2.1 inches) of rain normally falls in Wales (Cardiff) during July with rain falling on 12 days of the month.
Wales weather in August
The average maximum daytime temperature in Wales (Cardiff) in August is a comfortable 21°C (70°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Wales (Cardiff) during August.
- 21°C max day temperature21
- 6 hours of sunshine per day6
- 14 days with some rainfall14
- 12°C min night temperature12
- 77 mm of monthly rainfall77
On average 77 mm (3 inches) of rain normally falls in Wales (Cardiff) during August with rain falling on 14 days of the month.
Wales weather in September
The average maximum daytime temperature in Wales (Cardiff) in September is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Wales (Cardiff) during September.
- 18°C max day temperature18
- 5 hours of sunshine per day5
- 14 days with some rainfall14
- 10°C min night temperature10
- 82 mm of monthly rainfall
82
On average 82 mm (3.2 inches) of rain normally falls in Wales (Cardiff) during September with rain falling on 14 days of the month.
Wales weather in October
The average maximum daytime temperature in Wales (Cardiff) in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 3 hours of sunshine a day in Wales (Cardiff) during October.
- 14°C max day temperature14
- 3 hours of sunshine per day3
- 17 days with some rainfall17
- 8°C min night temperature8
- 99 mm of monthly rainfall99
On average 99 mm (3.9 inches) of rain normally falls in Wales (Cardiff) during October with rain falling on 17 days of the month.
Wales weather in November
The average maximum daytime temperature in Wales (Cardiff) in November is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 2 hours of sunshine a day in Wales (Cardiff) during November.
- 10°C max day temperature10
- 2 hours of sunshine per day2
- 18 days with some rainfall18
- 5°C min night temperature5
- 101 mm of monthly rainfall101
On average 101 mm (4 inches) of rain normally falls in Wales (Cardiff) during November with rain falling on 18 days of the month.
Wales weather in December
The average maximum daytime temperature in Wales (Cardiff) in December is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Wales (Cardiff) during December.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 19 days with some rainfall19
- 3°C min night temperature3
- 110 mm of monthly rainfall110
On average 110 mm (4.3 inches) of rain normally falls in Wales (Cardiff) during December with rain falling on 19 days of the month.
Wales destinations
Browse the destinations below to find a holiday weather guide to help you plan your next holiday to Wales. If you can't find the destination you are looking for, try the destination search.
Top destinations in Wales
- Aberaeron
- Aberdare
- Aberdaron
- Aberdovey
- Aberffraw
- Abergavenny
- Abergele
- Aberkenfig
- Aberystwyth
- Amlwch
- Angle
- Bala
- Bangor
- Barry
- Caerau
- Caerphilly
- Cardiff
- Colwyn Bay
- Cwmbran
- Deeside
- Llanelli
- Llantrisant
- Merthyr Tydfil
- Neath
- Newport
- Pontypool
- Pontypridd
- Port Talbot
- Swansea
- Wrexham
Counties in Wales
- Aberconwy and Colwyn
- Anglesey
- Blaenau Gwent
- Bridgend Area
- Caerphilly Area
- Cardiff Area
- Carmarthenshire
- Ceredigion
- Denbighshire
- Flintshire
- Gwynedd
- Merthyr Tydfil Area
- Monmouthshire
- Neath Port Talbot
- Newport Area
- Pembrokeshire
- Powys
- Rhondda Cynon Tall
- Swansea Area
- Torfaen
- Vale of Glamorgan
- Wrexham Area