Saint Peter Port (Sark) weather in January
January in Saint Peter Port: cold, rainy, with clean air — a fair time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#12 of 12 months in Saint Peter Port · #1093 of 1413 destinations to visit in January · comfort 53/100 (tier D)
- Days
- 10°C
- Nights
- 6°C
- Wet days
- 15
- Sun
- 4.2 h
- Humidity
- 77%
- Daylight
- 9 h
Traveller notes on Saint Peter Port in January
There isn't much January-specific forum detail for Saint Peter Port itself, but Guernsey's general weather threads agree conditions are genuinely variable this time of year and can turn on short notice. The island's own climate record fills in the rest: this is a proper Channel Islands winter, with frequent rain, mild but chilly daytime temperatures, and wind that regularly gusts strong enough to keep umbrellas at home in favor of a proper waterproof coat. Daylight is short too, so plan outdoor harbor walks for the middle of the day.
Other months in Saint Peter Port
Forum posters name July/August as genuine high season - busier streets and traffic in St Peter Port, but with the reliability upside that ferry cancellations due to bad weather are far less common in summer than other times of year. The town itself is described as hilly enough that finding flat accommodation is a challenge, though it's consistently called a lovely base for 2-4 days, with a strong restaurant and pub scene. Clifftop walks are named a highlight of a July visit, and posters recommend day trips by ferry to the quieter neighboring islands of Herm (walkable in under three hours) and Sark for a slower-paced contrast to the town. The standard caveat: weather can still be fickle even in summer, so posters suggest padding an extra day into the itinerary to guarantee at least one clear day for outdoor plans.
Add your own note from Saint Peter Port's card on the map.
Saint Peter Port climate normals — January
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Saint Peter Port in January
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
What's on in Saint Peter Port in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Ormering tides
1 Jan – 30 Apr · usuallyForaging seasonGuernsey's prized ormers may only be gathered by hand on the day of a new or full moon and the two days after, between January and April. Islanders turn out on the lowest spring tides; no diving gear, and strict size limits. Source ↗
- Hazard
Winter gales and ferry cancellations
1 Nov – 15 Mar · usuallyWinter storms & galesAtlantic gales regularly cancel Condor sailings to Jersey, St Malo and Portsmouth, and the winter timetable is thinner to start with. Leave slack in any winter itinerary that depends on a boat. Source ↗
- Closure
Castle Cornet winter closure
3 Nov – 20 Mar · usuallyCastle Cornet and the other heritage sites close for the winter, usually from early November to late March, and Victor Hugo's Hauteville House shuts at the end of September. The castle is closed from September 2026 to June 2027 while its bridge is replaced. 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 January — FAQ
- Is January a good time to visit Saint Peter Port?
- January in Saint Peter Port: cold, rainy, with clean air — a fair time to visit. It ranks #12 of 12 months for Saint Peter Port on SeasonMap's comfort score (53/100).
- What is the weather like in Saint Peter Port in January?
- In January, Saint Peter Port averages a daily high of 9.8°C and a low of 5.7°C, with about 110 mm of rain over roughly 14.9 rainy days.
- What is the air quality in Saint Peter Port in January?
- Saint Peter Port has a mean US Air Quality Index of about 38 in January.
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.