Click on a day for an hourly weather forecast
The temperatures in Llandudno in May are quite cold with temperatures between 7°C and 13°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Llandudno during the month of May. 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 Llandudno in May 2025.
If you’re planning to visit Llandudno in the near future, we highly recommend that you review the 14 day weather forecast for Llandudno before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 9 | 14 | 8 | 81 mm | Awful | Llandudno in January |
| February | 6° / 2° | 9 | 11 | 8 | 73 mm | Awful | Llandudno in February |
| March | 9° / 3° | 7 | 19 | 4 | 61 mm | Awful | Llandudno in March |
| April | 11° / 4° | 5 | 22 | 2 | 56 mm | Bad | Llandudno in April |
| May | 13° / 7° | 7 | 24 | 0 | 69 mm | Bad | Llandudno in May |
| June | 16° / 10° | 6 | 24 | 0 | 82 mm | Good | Llandudno in June |
| July | 18° / 12° | 7 | 24 | 0 | 85 mm | Ok | Llandudno in July |
| August | 17° / 12° | 6 | 25 | 0 | 83 mm | Good | Llandudno in August |
| September | 16° / 10° | 5 | 25 | 0 | 73 mm | Good | Llandudno in September |
| October | 13° / 8° | 7 | 24 | 0 | 91 mm | Bad | Llandudno in October |
| November | 9° / 5° | 9 | 19 | 2 | 101 mm | Awful | Llandudno in November |
| December | 7° / 4° | 10 | 17 | 5 | 93 mm | Awful | Llandudno in December |