Click on a day for an hourly weather forecast
The temperatures in Aberystwyth in August are usually low and can range between 12°C and 17°C.
You can expect rain for roughly half of the month of August in Aberystwyth. 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.
Our weather forecast can give you a great sense of what weather to expect in Aberystwyth in August 2025.
If you’re planning to visit Aberystwyth in the near future, we highly recommend that you review the 14 day weather forecast for Aberystwyth before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 13 | 13 | 5 | 177 mm | Awful | Aberystwyth in January |
| February | 7° / 3° | 11 | 13 | 5 | 140 mm | Awful | Aberystwyth in February |
| March | 9° / 3° | 9 | 20 | 3 | 107 mm | Awful | Aberystwyth in March |
| April | 11° / 4° | 6 | 23 | 1 | 79 mm | Ok | Aberystwyth in April |
| May | 14° / 7° | 8 | 23 | 0 | 102 mm | Ok | Aberystwyth in May |
| June | 16° / 9° | 8 | 22 | 0 | 119 mm | Ok | Aberystwyth in June |
| July | 18° / 11° | 8 | 23 | 0 | 127 mm | Ok | Aberystwyth in July |
| August | 17° / 12° | 8 | 23 | 0 | 133 mm | Ok | Aberystwyth in August |
| September | 16° / 10° | 7 | 23 | 0 | 117 mm | Ok | Aberystwyth in September |
| October | 13° / 8° | 9 | 21 | 0 | 152 mm | Bad | Aberystwyth in October |
| November | 9° / 6° | 11 | 19 | 1 | 171 mm | Bad | Aberystwyth in November |
| December | 7° / 4° | 13 | 15 | 3 | 194 mm | Awful | Aberystwyth in December |