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Cardiff weather by month
Check out Cardiff weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Cardiff (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 7 |
7 |
10 |
12 |
16 |
19 |
20 |
20 |
18 |
14 |
10 |
8 |
Min temperature (night-time) | 2 |
2 |
3 |
4 |
7 |
10 |
12 |
12 |
10 |
8 |
5 |
3 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Sea temperature | 8 |
7 |
8 |
9 |
12 |
15 |
17 |
18 |
17 |
14 |
11 |
9 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Cardiff
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 |
3 |
4 |
5 |
6 |
6 |
6 |
4 |
2 |
1 |
0 |
Rainfall in Cardiff
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 20 |
15 |
17 |
15 |
15 |
14 |
13 |
15 |
15 |
18 |
18 |
19 |
Average monthly rainfall (mm) | 104 |
76 |
79 |
60 |
65 |
65 |
66 |
81 |
91 |
101 |
105 |
109 |
More about Cardiff
Cardiff by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Wales
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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.
What's the climate like in Cardiff?
Cardiff has a temperate climate with warm summers and some rainfall in all months.
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: Cardiff hurricane season
More about Wales
Compare Cardiff with the USA
Below the Cardiff chart shows average maximum daytime temperature for Cardiff, Wales, UK and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Cardiff weather >>
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