Sun, sea & sand

Llanfairpwllgwyngyll weather in April

Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.

17

Holiday weather in April

Poor

Best time to visit: April – August

What is the weather like in Llanfairpwllgwyngyll in April?

In April, Llanfairpwllgwyngyll is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 8.6 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 63 mm in total. All in all, April is not an ideal month for a holiday in Llanfairpwllgwyngyll.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score101722
Day9°12°14°
Night4°6°8°
Sea8°9°11°
Sun4 h6 h8 h
Rain days141313

More details for April

Daylight
13 h 55 min06:20 – 20:14
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
24 km/haverage daily peakAll months
Cloud cover
67 %on averageAll months
Hot days
0 days30 °C or more
Time zone
UTC+1Europe/London

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %52 %
  • Few rainy daysweight 20 %33 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in April

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Llanfairpwllgwyngyll in April: quick answers

Is Llanfairpwllgwyngyll hot in April?

No. In April, Llanfairpwllgwyngyll is cool: daytime highs average 12 °C and nights drop to about 6 °C.

Can you swim in Llanfairpwllgwyngyll in April?

Only if you don't mind cold water: in April the sea averages just 8.6 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Llanfairpwllgwyngyll in April?

Rain is frequent, with about 13 rainy days and 63 mm in total.

Llanfairpwllgwyngyll month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences