Charlottetown weather by month

The best time to visit Charlottetown is June to August — 90/100 in August, 26°C and 8 rainy days. The best season is summer, June to August (87/100 on average).

The worst month is January at 31/100 — freezing, rainy, clean air. See January →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit Canada →

Charlottetown🇨🇦 Canada · Northeast & Atlantic Canada · City90
  1. 31Jan
  2. 39Feb
  3. 47Mar
  4. 64Apr
  5. 76May
  6. 87Jun
  7. 85Jul
  8. 90Aug
  9. 82Sep
  10. 68Oct
  11. 50Nov
  12. 35Dec

Best season: June to August (87/100 on average) · worst January (31/100)

Days
26°C
Nights
15°C
Wet days
8
Sun
11 h
Humidity
76%
Daylight
14 h
Charlottetown, Canada
Photo: Bogdan Krupin · Pexels

Charlottetown, month by month

Comfort score out of 100 for the kind of trip Charlottetown is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan31F-1°C13 d4 hPeak2
Feb39F0°C12 d6 hQuiet1
Mar47F4°C12 d8 hBusy1
Apr64C10°C11 d9 hShoulder1
May76B16°C11 d10 hShoulder—
Jun87A22°C9 d11 hBusy1
Jul85A26°C10 d12 hPeak2
Aug90S26°C8 d11 hPeak2
Sep82A21°C9 d9 hPeak3
Oct68C15°C11 d7 hBusy2
Nov50D8°C15 d5 hShoulder1
Dec35F2°C14 d4 hPeak2

What's on in Charlottetown through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

June
  • Charlottetown Festival25 Jun – 26 SepFestival
July
  • Canada Day1 JulHoliday
August
  • Old Home Week14–22 AugFestival
September
  • Fall Flavours24 Sep – 10 OctFestival
  • Cruise ship calls1 Sep – 31 Oct (usually)Season
November
  • Winter quiet15 Nov – 15 AprSeason
December
  • Christmas Day closures24 Dec – 1 JanHoliday

Everything on in Charlottetown through the year →

Crowds in Charlottetown in August

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.

Peak crowdsOld Home Week, Summer break in Canada, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Traveller notes on Charlottetown

What people who have been say about the place — the year-round notes first, then month by month.

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 ↗
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 ↗

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