September
OK
19.2°C / 13.1°C
16 rain days
mild, very wet
- comfortable temperatures (avg high 19.2°C / 67°F)
Best time to visit Charlottetown
Charlottetown, Canada — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. Every month has trade-offs — pick what you can tolerate.
Best · September & July
About Charlottetown
Charlottetown is the capital and largest city of the Canadian province of Prince Edward Island, and the county seat of Queens County. Named after Queen Charlotte, Charlottetown was an unincorporated town until it was incorporated as a city in 1855.
— condensed from Wikipedia
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OK — shoulder months
July
OK
23.4°C / 16.9°C
17 rain days
warm, very wet
- comfortable temperatures (avg high 23.4°C / 74°F)
- warm evenings without humidity overload
June
OK
18.8°C / 11.7°C
18 rain days
mild, very wet
- comfortable temperatures (avg high 18.8°C / 66°F)
August
OK
23.1°C / 17.1°C
18 rain days
warm, very wet
- comfortable temperatures (avg high 23.1°C / 74°F)
- warm evenings without humidity overload
May
OK
13.5°C / 5.6°C
16 rain days
cool, very wet
October
OK
13.4°C / 8°C
17 rain days
cool, very wet
November
OK
6.6°C / 1.1°C
18 rain days
chilly, very wet
April
OK
6.7°C / 0°C
18 rain days
chilly, freezing nights, very wet
Months to skip
December
Skip
1.5°C / -4°C
18 rain days
cold, freezing nights, very wet
- freezing at night (-4°C)
- extremely wet (18 rain days)
March
Skip
0.5°C / -6.5°C
18 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -6.5°C)
- extremely wet (18 rain days)
January
Skip
-1.5°C / -9°C
19 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -9°C)
- extremely wet (19 rain days)
February
Skip
-2.4°C / -10.2°C
17 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -10.2°C)
- heavy rain expected (17 days)
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.