Charlottetown weather in October

October in Charlottetown: cool, rainy, with clean air — a good time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Charlottetown🇨🇦 Canada · Northeast & Atlantic Canada · City68
  1. 31Jan
  2. 39Feb
  3. 47Mar
  4. 64Apr
  5. 76May
  6. 87Jun
  7. 85Jul
  8. 90Aug
  9. 82Sep
  10. 68Oct
  11. 50Nov
  12. 35Dec

#6 of 12 months in Charlottetown · #938 of 1413 destinations to visit in October · comfort 68/100 (tier C)

Days
15°C
Nights
5°C
Wet days
11
Sun
7 h
Humidity
77%
Daylight
11 h
Charlottetown, Canada
Photo: Bogdan Krupin · Pexels

Traveller notes on Charlottetown in October

Other months in Charlottetown

Forum posters describe December in Charlottetown as starting with snow early in the month before shifting toward cold rain as the month progresses toward Christmas. Posters cite typical overnight lows around -10C and daytime highs around -3C for the December-through-March stretch, with a winter storm passing through roughly every three days on average - about half bringing rain, half bringing snow, making the odds of a white Christmas roughly 50-50. Posters note daytime highs stay below freezing on about half of December's days, with nights almost always below freezing except during a rain event with southerly winds. Posters are direct that most tourist-oriented businesses close for the season, though core city services, lodging and dining in Charlottetown itself remain reliably open year-round. Posters generally rate December as genuinely cold and snow-capable, workable for a visit focused on the city itself rather than seasonal tourist attractions.
Tripadvisor community · December · 1 month ago · Read more on Tripadvisor ↗
Forum posters put June daytime highs around 21C and overnight lows near 12C, but note a south wind can push afternoons into the 80s F while a cold snap can still drop nights into the 40s F - below freezing has happened in the first week of June, though it's rare. Many tourist businesses don't fully open until mid-June, with mid-to-late June bringing Green Gables, beaches, shops and the Lobster Suppers into full swing. Two practical warnings repeated often: the sea is only around 10C so swimming is mostly out, and June is peak mosquito season - 'June is buggy' is the recurring phrase.
Tripadvisor community · June · 1 month ago · Read more on Tripadvisor ↗

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Charlottetown climate normals — October

Daytime high15°C / 59°F🙂 cool
Nighttime low5°C / 42°F
Feels like (high)12°C / 54°F
Sea temperature15°C / 59°F🥶 cold sea
Rainfall104 mm / 4.1 in🌧 rainy
Rainy days11 days
Humidity77%💦 very humid
Dew point7°C / 44°F
Sunshine7 h/day
Daylight10.9 h
Wind27 km/h / 17 mph
Snowfall0.3 cm / 0.1 in
Air quality (US AQI)34🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Charlottetown 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.

BusyCruise ship calls(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Charlottetown'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 weatherCharlottetown's weather peaks June–August.

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Best weatherFair weatherToughest weather

What's on in Charlottetown in October

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Cruise ship calls

    1 Sep – 31 Oct · usuallyCruise seasonCrowded

    The port takes most of its calls in September and October, when the Canada and New England itineraries come through — around three dozen ships in two months into a city of forty thousand. Victoria Row is quiet again by five. Source ↗

  • Festival

    Fall Flavours

    24 Sep – 10 OctHarvestBook early

    Three weeks of shellfish suppers, kitchen parties and chef dinners staged across the island, with Charlottetown the base most people book. The signature events go early; the small ones in the fishing villages are the better ticket. Source ↗

What's on around the world in October →

Nearby, and something's on

Within 300 km of Charlottetown — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Charlottetown?

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Charlottetown in October — FAQ

Is October a good time to visit Charlottetown?
October in Charlottetown: cool, rainy, with clean air — a good time to visit. It ranks #6 of 12 months for Charlottetown on SeasonMap's comfort score (68/100).
What is the weather like in Charlottetown in October?
In October, Charlottetown averages a daily high of 15.2°C and a low of 5.3°C, with about 104.2 mm of rain over roughly 10.5 rainy days.
What is the air quality in Charlottetown in October?
Charlottetown has a mean US Air Quality Index of about 34 in October.

Within 300 km: Halifax's Fall colour around 1–28 Oct.