Click on a day for an hourly weather forecast
The temperatures in Porthcawl in August are usually low and can range between 13°C and 18°C.
You can expect about 3 to 8 days of rain in Porthcawl during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Porthcawl in August 2025.
If you’re planning to visit Porthcawl in the near future, we highly recommend that you review the 14 day weather forecast for Porthcawl before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 8 | 21 | 2 | 82 mm | Awful | Porthcawl in January |
| February | 8° / 4° | 7 | 20 | 2 | 61 mm | Awful | Porthcawl in February |
| March | 10° / 5° | 5 | 25 | 0 | 54 mm | Ok | Porthcawl in March |
| April | 12° / 6° | 4 | 26 | 0 | 32 mm | Ok | Porthcawl in April |
| May | 14° / 9° | 5 | 26 | 0 | 50 mm | Good | Porthcawl in May |
| June | 17° / 11° | 5 | 25 | 0 | 55 mm | Good | Porthcawl in June |
| July | 19° / 13° | 4 | 27 | 0 | 60 mm | Good | Porthcawl in July |
| August | 18° / 13° | 5 | 26 | 0 | 76 mm | Good | Porthcawl in August |
| September | 17° / 12° | 3 | 27 | 0 | 55 mm | Good | Porthcawl in September |
| October | 14° / 10° | 6 | 25 | 0 | 85 mm | Good | Porthcawl in October |
| November | 11° / 7° | 7 | 23 | 0 | 88 mm | Bad | Porthcawl in November |
| December | 9° / 6° | 7 | 23 | 1 | 89 mm | Bad | Porthcawl in December |