Wales weather by month

Check out Wales weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
45°F maximum daytime temperature in January in Cardiff45
45°F maximum daytime temperature in February in Cardiff45
50°F maximum daytime temperature in March in Cardiff50
54°F maximum daytime temperature in April in Cardiff54
61°F maximum daytime temperature in May in Cardiff61
66°F maximum daytime temperature in June in Cardiff66
68°F maximum daytime temperature in July in Cardiff68
68°F maximum daytime temperature in August in Cardiff68
64°F maximum daytime temperature in September in Cardiff64
57°F maximum daytime temperature in October in Cardiff57
50°F maximum daytime temperature in November in Cardiff50
46°F maximum daytime temperature in December in Cardiff46
Hours of sunshine (daily)
Days with some rainfall
20 days with some rainfall in January in Cardiff20
15 days with some rainfall in February in Cardiff15
17 days with some rainfall in March in Cardiff17
15 days with some rainfall in April in Cardiff15
15 days with some rainfall in May in Cardiff15
14 days with some rainfall in June in Cardiff14
13 days with some rainfall in July in Cardiff13
15 days with some rainfall in August in Cardiff15
15 days with some rainfall in September in Cardiff15
18 days with some rainfall in October in Cardiff18
18 days with some rainfall in November in Cardiff18
19 days with some rainfall in December in Cardiff19
Sea temperature °F
46°F sea temperature in January in Cardiff46
45°F sea temperature in February in Cardiff45
46°F sea temperature in March in Cardiff46
48°F sea temperature in April in Cardiff48
54°F sea temperature in May in Cardiff54
59°F sea temperature in June in Cardiff59
63°F sea temperature in July in Cardiff63
64°F sea temperature in August in Cardiff64
63°F sea temperature in September in Cardiff63
57°F sea temperature in October in Cardiff57
52°F sea temperature in November in Cardiff52
48°F sea temperature in December in Cardiff48

More about Wales

Wales by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Wales (Cardiff) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Wales destinations

Below are average maximum temperatures at popular countries, regions and places in Wales for next month - May. Select a destination to see the climate guide for all months of the year.

All Wales regions

All Wales destinations

Metric (°C)  |  Imperial (°F)

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More about Wales

Compare Wales with the UK

Below the Wales chart shows average maximum daytime temperature for Wales (Cardiff) and the UK (London).

Maximum daytime temperature (°F)

Wales (Cardiff)
UK (London)
45
45
45
45
50
50
54
55
61
63
66
68
68
72
68
72
64
66
57
59
50
50
46
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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