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Swansea weather by month
Check out Swansea weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Swansea (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 7 |
7 |
9 |
12 |
15 |
18 |
20 |
20 |
17 |
14 |
11 |
8 |
Min temperature (night-time) | 3 |
3 |
4 |
5 |
8 |
11 |
13 |
13 |
11 |
9 |
5 |
4 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Sea temperature | 8 |
8 |
8 |
9 |
11 |
14 |
16 |
18 |
17 |
15 |
12 |
10 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Swansea
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 8 |
10 |
12 |
14 |
16 |
17 |
16 |
15 |
13 |
11 |
9 |
8 |
UV Index (Maximum) | 1 |
1 |
2 |
4 |
5 |
6 |
6 |
6 |
4 |
2 |
1 |
0 |
Rainfall in Swansea
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 20 |
15 |
18 |
14 |
15 |
15 |
13 |
16 |
16 |
19 |
20 |
20 |
Average monthly rainfall (mm) | 133 |
89 |
96 |
69 |
77 |
78 |
75 |
103 |
111 |
130 |
138 |
140 |
More about Swansea
Swansea by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Wales
The climate guide for Wales (Swansea) 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.
What's the climate like in Swansea?
Swansea has a temperate climate with warm summers and some rainfall in all months.
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: Swansea hurricane season
More about Wales
Compare Swansea with the USA
Below the Swansea chart shows average maximum daytime temperature for Swansea, Wales, UK and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Swansea weather >>
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