SeasonMapCharlottetown weather in August
Canada
August in Charlottetown: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Charlottetown · #339 of 1383 destinations to visit in August · comfort 87/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Charlottetown in August
No notes yet. Open Charlottetown on the map to add the first one.
Charlottetown climate normals — August
| Daytime high | 24°C / 75°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Sea temperature | 21°C / 69°F | 🌊 fresh |
| Rainfall | 97 mm / 3.8 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 16°C / 62°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 14.1 h | |
| Wind | 23 km/h / 14 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 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)
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).
Best weatherCharlottetown's weather peaks June–August.
August includes Charlottetown Festival.
Best weatherFair weatherToughest weather
What's on in Charlottetown in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Charlottetown Festival
25 Jun – 26 SepMajor festivalBook earlyThe Confederation Centre's summer theatre season, running from late June into late September, built around the Anne of Green Gables musical that has played here since the 1960s. Matinees sell out before the evening shows do. Source ↗
- Festival
Old Home Week
14–22 AugMajor festivalCrowdedBook earlyThe island's agricultural fair takes over the exhibition grounds for nine days in the middle of August: livestock classes, a midway, and the Gold Cup and Saucer harness race that half the province turns out for. Source ↗
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?
Charlottetown in August — FAQ
- Is August a good time to visit Charlottetown?
- August in Charlottetown: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Charlottetown on SeasonMap's comfort score (87/100).
- What is the weather like in Charlottetown in August?
- In August, Charlottetown averages a daily high of 23.7°C and a low of 17.9°C, with about 97.4 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Charlottetown in August?
- Charlottetown has a mean US Air Quality Index of about 36 in August.
Other months in Charlottetown
Compare Charlottetown in August
Warmer or cooler than Charlottetown in August
Similar destinations in North America — August
Within 300 km: Halifax's Halifax Busker Festival on 29 Jul – 3 Aug.