SeasonMapSaint Peter Port (Sark) weather in December
Guernsey
December in Saint Peter Port: cold, rainy, with clean air — a fair time to visit.
#11 of 12 months in Saint Peter Port · #1066 of 1383 destinations to visit in December · comfort 54/100 (tier D)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Saint Peter Port in December
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Saint Peter Port climate normals — December
| Daytime high | 11°C / 52°F | 🧥 cold |
|---|---|---|
| Nighttime low | 8°C / 46°F | |
| Feels like (high) | 6°C / 43°F | |
| Sea temperature | 12°C / 54°F | 🥶 cold sea |
| Rainfall | 113 mm / 4.4 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 7°C / 45°F | |
| Sunshine | 3.8 h/day | |
| Daylight | 8.2 h | |
| Wind | 44 km/h / 27 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Saint Peter Port in December
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.
Quietschool holidays in 7 of the markets that fill it, one of its worst months for weather(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).
Toughest weatherSaint Peter Port's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
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 December — FAQ
- Is December a good time to visit Saint Peter Port?
- December in Saint Peter Port: cold, rainy, with clean air — a fair time to visit. It ranks #11 of 12 months for Saint Peter Port on SeasonMap's comfort score (54/100).
- What is the weather like in Saint Peter Port in December?
- In December, Saint Peter Port averages a daily high of 11.2°C and a low of 7.5°C, with about 112.7 mm of rain over roughly 16.8 rainy days.
- What is the air quality in Saint Peter Port in December?
- Saint Peter Port has a mean US Air Quality Index of about 38 in December.
Other months in Saint Peter Port
Compare Saint Peter Port in December
Warmer or cooler than Saint Peter Port in December
Similar destinations in Western Europe — December
Within 300 km: Bournemouth's Winter waders on Poole Harbour around 15 Oct – 10 Mar, and Isle of Wight's Brent geese and winter waders around 1 Oct – 15 Mar.