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 °C
7°C maximum daytime temperature in January in Cardiff7
7°C maximum daytime temperature in February in Cardiff7
10°C maximum daytime temperature in March in Cardiff10
12°C maximum daytime temperature in April in Cardiff12
16°C maximum daytime temperature in May in Cardiff16
19°C maximum daytime temperature in June in Cardiff19
20°C maximum daytime temperature in July in Cardiff20
20°C maximum daytime temperature in August in Cardiff20
18°C maximum daytime temperature in September in Cardiff18
14°C maximum daytime temperature in October in Cardiff14
10°C maximum daytime temperature in November in Cardiff10
8°C maximum daytime temperature in December in Cardiff8
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 °C
8°C sea temperature in January in Cardiff8
7°C sea temperature in February in Cardiff7
8°C sea temperature in March in Cardiff8
9°C sea temperature in April in Cardiff9
12°C sea temperature in May in Cardiff12
15°C sea temperature in June in Cardiff15
17°C sea temperature in July in Cardiff17
18°C sea temperature in August in Cardiff18
17°C sea temperature in September in Cardiff17
14°C sea temperature in October in Cardiff14
11°C sea temperature in November in Cardiff11
9°C sea temperature in December in Cardiff9

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 - March. Select a destination to see the climate guide for all months of the year.

All Wales regions

All Wales destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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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 (°C)

Wales (Cardiff)
UK (London)
7
7
7
7
10
10
12
13
16
17
19
20
20
22
20
22
18
19
14
15
10
10
8
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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