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The weather in Swansea in January is very cold with temperatures between 4°C and 8°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Swansea. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Swansea can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Swansea in January 2025.
If you’re planning to visit Swansea in the near future, we highly recommend that you review the 14 day weather forecast for Swansea before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 8 | 21 | 2 | 82 mm | Awful | Swansea in January |
| February | 8° / 4° | 7 | 20 | 2 | 61 mm | Awful | Swansea in February |
| March | 10° / 5° | 5 | 25 | 0 | 54 mm | Ok | Swansea in March |
| April | 12° / 6° | 4 | 26 | 0 | 32 mm | Ok | Swansea in April |
| May | 14° / 9° | 5 | 26 | 0 | 50 mm | Good | Swansea in May |
| June | 17° / 11° | 5 | 25 | 0 | 55 mm | Good | Swansea in June |
| July | 19° / 13° | 4 | 27 | 0 | 63 mm | Good | Swansea in July |
| August | 18° / 13° | 5 | 26 | 0 | 76 mm | Good | Swansea in August |
| September | 17° / 12° | 3 | 27 | 0 | 55 mm | Good | Swansea in September |
| October | 14° / 10° | 6 | 25 | 0 | 85 mm | Good | Swansea in October |
| November | 11° / 7° | 7 | 23 | 0 | 88 mm | Bad | Swansea in November |
| December | 9° / 6° | 7 | 23 | 1 | 89 mm | Bad | Swansea in December |