Best year time to visit South Wales

General weather information about South Wales

Average annual temperature is 14.5 °C

Absolute maximum temperature: 38.4 °C

Absolute minimum temperature: -9.2 °C

Number of sunny days: 197 days

Number of rainy days: 168 days

* Weather data for South Wales United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	18.5	24.5	27.3	31.5	30.0	32.5	38.4	36.0	37.3	28.5	26.0	17.9
Average daytime temperature (°C)	10.2	12.9	14.2	22.7	23.3	27.8	33.0	31.3	27.2	21.7	13.8	10.7
Average temperature (°C)	5.4	6.8	7.6	15.1	16.7	21.1	26.0	24.7	21.1	15.4	7.6	5.5
Average night temperature (°C)	1.7	2.2	2.2	9.1	10.8	15.3	20.7	19.6	16.3	10.4	2.9	1.5
Absolute minimum temperature (°C)	-3.5	-9.2	-4.9	0.0	6.3	10.4	17.8	15.4	9.7	5.3	-6.3	-5.0

The best time to visit South Wales during the most sunny months:

The largest precipitation sum in South Wales is at

April — 91(mm)

June — 89(mm)

July — 99(mm)

December — 126(mm)

When is the best time to visit South Wales?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit South Wales.

What is the weather like in South Wales?

See average temperature, rainfall and daylight hours for South Wales by month in the table above.

How many sunny days does South Wales have?

The monthly weather statistics above show sunshine and rainfall patterns for South Wales throughout the year.