Saint Peter Port (Sark) weather in April
Guernsey

April in Saint Peter Port: cool, a little rain, with clean air — a great time to visit.
#6 of 12 months in Saint Peter Port · #755 of 1383 destinations to visit in April · comfort 77/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Saint Peter Port in April
No notes yet. Open Saint Peter Port on the map to add the first one.
Saint Peter Port climate normals — April
| Daytime high | 11°C / 51°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Sea temperature | 11°C / 51°F | 🥶 cold sea |
| Rainfall | 37 mm / 1.5 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 11 h/day | |
| Daylight | 13.8 h | |
| Wind | 34 km/h / 21 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Saint Peter Port in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 6 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Saint Peter Port's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSaint Peter Port's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Saint Peter Port in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Herm and Sark boat season
15 Apr – 15 Oct · usuallySummer season opensThe small boats to Herm, Sark and Alderney run frequently from the harbour through the season and thin out sharply after October. Half the reason to be based here is the day you spend on another island. Source ↗
Nearby, and something's on
Within 300 km of Saint Peter Port — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Saint Peter Port?
Saint Peter Port in April — FAQ
- Is April a good time to visit Saint Peter Port?
- April in Saint Peter Port: cool, a little rain, with clean air — a great time to visit. It ranks #6 of 12 months for Saint Peter Port on SeasonMap's comfort score (77/100).
- What is the weather like in Saint Peter Port in April?
- In April, Saint Peter Port averages a daily high of 10.6°C and a low of 9°C, with about 37 mm of rain over roughly 8 rainy days.
- What is the air quality in Saint Peter Port in April?
- Saint Peter Port has a mean US Air Quality Index of about 45 in April.
Other months in Saint Peter Port
Compare Saint Peter Port in April
Warmer or cooler than Saint Peter Port in April
Similar destinations in Western Europe — April
Within 300 km: London's Blossom in the squares around 25 Mar – 30 Apr, and Newquay's Atlantic swell season around 15 Sep – 15 Apr.