Saint Peter Port (Sark) weather in October
October in Saint Peter Port: cool, rainy, with clean air — a great time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#7 of 12 months in Saint Peter Port · #855 of 1413 destinations to visit in October · comfort 71/100 (tier B)
- Days
- 16°C
- Nights
- 12°C
- Wet days
- 14
- Sun
- 7.2 h
- Humidity
- 79%
- Daylight
- 11 h
Traveller notes on Saint Peter Port in October
Other months in Saint Peter Port
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.
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.
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Saint Peter Port climate normals — October
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Saint Peter Port in October
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 4 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 October
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 ↗
- Festival
Tennerfest
1 Oct – 15 Nov · usuallyHarvestThe Channel Islands' autumn fixed-price menu season, six weeks of restaurants competing on value once the summer visitors have gone. Quiet town, short days, good eating. 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 October — FAQ
- Is October a good time to visit Saint Peter Port?
- October in Saint Peter Port: cool, rainy, with clean air — a great time to visit. It ranks #7 of 12 months for Saint Peter Port on SeasonMap's comfort score (71/100).
- What is the weather like in Saint Peter Port in October?
- In October, Saint Peter Port averages a daily high of 16.3°C and a low of 12°C, with about 110.7 mm of rain over roughly 13.6 rainy days.
- What is the air quality in Saint Peter Port in October?
- Saint Peter Port has a mean US Air Quality Index of about 36 in October.
Within 300 km: Bournemouth's New Forest deer rut around 20 Sep – 31 Oct, and Isle of Wight's Isle of Wight Walking Festival around 1–20 Oct.