Charlottetown weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: July – August
What is the weather like in Charlottetown in August?
In August, Charlottetown is warm: daytime highs average 23 °C, and nights cool down to about 17 °C. The sea averages 19.1 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 83 mm in total. All in all, August is a so-so month for a holiday in Charlottetown.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 55 | 56 | 23 |
| Day | 23° | 23° | 19° |
| Night | 17° | 17° | 14° |
| Sea | 17° | 19° | 17° |
| Sun | 8 h | 8 h | 6 h |
| Rain days | 11 | 11 | 10 |
More details for August
- Daylight
- 14 h 14 min06:10 – 20:24
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 22 km/haverage daily peakAll months
- Cloud cover
- 57 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−3America/Halifax
How the score comes together
- Temperatureweight 35 %65 %
- Seaweight 25 %30 %
- Sunshineweight 20 %78 %
- Few rainy daysweight 20 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Charlottetown in August: quick answers
Is Charlottetown hot in August?
Warm rather than hot: in August, daytime highs in Charlottetown average 23 °C and nights cool to about 17 °C.
Can you swim in Charlottetown in August?
Only if you don't mind cold water: in August the sea averages just 19.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Charlottetown in August?
Rain is frequent, with about 11 rainy days and 83 mm in total.
Charlottetown month by month
The whole year in CharlottetownAll destinations: CanadaWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences