Isles of Scilly weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Poor
Best time to visit: May – August
What is the weather like in Isles of Scilly in April?
In April, Isles of Scilly is cool: daytime highs average 10 °C, and nights cool down to about 9 °C. The sea averages 10.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 53 mm in total. It is often windy, with gusts of around 35 km/h. All in all, April is not an ideal month for a holiday in Isles of Scilly.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 42 min06:34 – 20:17
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 35 km/haverage daily peakAll months
- Cloud cover
- 61 %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 %63 %
- Few rainy daysweight 20 %53 %
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
- Windproof jacket
Isles of Scilly in April: quick answers
Is Isles of Scilly hot in April?
No. In April, Isles of Scilly is cool: daytime highs average 10 °C and nights drop to about 9 °C.
Can you swim in Isles of Scilly in April?
Only if you don't mind cold water: in April the sea averages just 10.7 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Isles of Scilly in April?
Rain is frequent, with about 11 rainy days and 53 mm in total.
Isles of Scilly month by month
The whole year in Isles of ScillyAll destinations: United KingdomWhere to go in AprilSea temperature in April
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