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Swansea weather
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Recommended for Wales
The weather guide for Wales (Swansea) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
Which is the hottest month in Swansea?
The hottest time of year in Swansea is normally July. Expect maximum daytime temperatures to reach 20°C.
Which month has the most rain in Swansea?
In terms of rainfall, December is usually the wettest month in Swansea with 140mm on average. There are normally 20 days in December with some rain.
When is it sunniest in Swansea?
The sunniest time of year in Swansea is normally May with bright sunshine on average for 41% of daylight hours; that's 7 hours of sunshine per day.
When is the sea warmest in Swansea?
The sea is usually at its warmest in Swansea in August when the water temperature reaches 18°C.
What is the time difference between Wales and the UK?
The time difference between Wales and the UK is GMT+0 hours.
What is the main language spoken in Wales?
The main language spoken in Wales is English.
Learn a language for Wales with Busuu*, Lingoda* and Rocket Languages*.
What is the currency in Wales?
The currency in Wales is the Pound Sterling (GBP).
Send money to Wales with World Remit*, Wise* and Monito*.
Which plugs are used in Wales?
Wales uses electrical plug type G (230 Volts).
Which side of the road do they drive on in Wales?
They drive on the left side of the road in Wales.
Compare Swansea weather with the USA
Below the Swansea weather chart shows average maximum daytime temperature for Swansea, Wales, UK and the USA (Washington).
Maximum daytime temperature (°C)
Swansea, Wales, UK
USA (Washington)
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May
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Sep
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Dec
Metric (°C / mm) | Imperial (°F / inches)
Compare more Swansea weather >>
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