Saint Peter Port (Sark) weather in October
Guernsey

October in Saint Peter Port: nice, soaked, with clean air — fine if you can take 19 rainy days.
#8 of 12 months in Saint Peter Port · #948 of 1383 destinations to visit in October · comfort 68/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Saint Peter Port in October
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Saint Peter Port climate normals — October
| Daytime high | 16°C / 61°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 58°F | |
| Sea temperature | 17°C / 63°F | 🧊 bracing |
| Rainfall | 162 mm / 6.4 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 7 h/day | |
| Daylight | 10.8 h | |
| Wind | 41 km/h / 26 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
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: nice, soaked, with clean air — fine if you can take 19 rainy days. It ranks #8 of 12 months for Saint Peter Port on SeasonMap's comfort score (68/100).
- What is the weather like in Saint Peter Port in October?
- In October, Saint Peter Port averages a daily high of 16°C and a low of 14.2°C, with about 161.5 mm of rain over roughly 19 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.
Other months in Saint Peter Port
Compare Saint Peter Port in October
Warmer or cooler than Saint Peter Port in October
Similar destinations in Western Europe — 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.