Swimming in Llandudno in may 2026: Average sea temperature in may and tide times in may 2026
Average sea temperature in Llandudno in may 2026.
In may, according to seasonal norms, the sea temperature in Llandudno is:
Minimum: 50°F
Average: 52°F
Maximum: 54°F
Other useful seasonal weather averages in may:
- Outside temperature: 49°F to 56°F
- Most common weather: "Clear/Sunny"
- The wind blows at 4.4mph
- It rains a total of 3.6in, over 7 day(s).
Should we swim in Llandudno in may?
No... The water temperature in Llandudno in may is freezing
You won't be able to swim in Llandudno in may! The water temperature is freezing, reaching as low as 50°F (and only 54°F at best)! Our advice: if you are going to Llandudno this month, plan to sightsee and forget the beach!
Note also that in may, the climate is tolerable with an average outside temperature of 53°F, 3.6in of precipitation (over 7 days) and 87.31 % humidity.
Water and normal seasonal temperatures in Llandudno in may
| May | |||
| Average sea temperature | 52°F | ||
| Minimum sea temperature | 50°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 54°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 50°F | ||
| Wind speed | 13.1mph | ||
| Wind temperature | 45°F | ||
| Precipitation | 3.6in | ||
| Number of days of rain | 7 jour(s) (22%) | ||
| Humidity | 88% | ||
| Visibility in kilometers | 9.13km | ||
| Cloud cover | 50% | ||
| Our opinion | freezing swimming |
Chart of the tides in may 2026
Tide times in may 2026 in Llandudno
Swim elsewhere in Wales in may
| City | Average T° | Min. T° | Max. T° | Our opinion | Cardiff in may | 53°F | 55°F | freezing swimming | Pembrokeshire in may | 52°F | 55°F | freezing swimming | Swansea in may | 53°F | 55°F | freezing swimming | Barmouth in may | 52°F | 54°F | freezing swimming |