Swansea

Find best time to go to Swansea for holidays in 2023/2024. Find all your holiday research and inspiration.

Swansea by month

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

Wales live weather

Check out the Wales live weather and compare with the average conditions for this time of the year.

Usually in September
- 17
- 11
- 5
Weather by month
Now Today
- 17
- 0
5-day forecast

Recommended for Swansea

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.

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When is the best time to go to Swansea?

The best time to go to Swansea is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
0.5
Mar
1.5
Apr
1.5
May
2.5
Jun
3
Jul
3
Aug
1
Sep
0
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

7
Jan
7
Feb
9
Mar
12
Apr
15
May
18
Jun
20
Jul
20
Aug
17
Sep
14
Oct
11
Nov
8
Dec

Hours of Sunshine (daily)

2
Jan
3
Feb
4
Mar
6
Apr
7
May
7
Jun
6
Jul
6
Aug
5
Sep
3
Oct
2
Nov
2
Dec

Best time to go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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

More about Wales

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.

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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec