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Charlottetown Weather in August
August in Charlottetown brings high temperatures, with highs of 24°C (75°F) and nights dropping to 16°C (61°F). Rainfall is on the higher side this month, averaging around 85 mm (3.3 in), so keep a rain jacket handy.
Rainfall in Charlottetown in August
Typically, you can expect about 12 days of rain this month, with 85 mm (3.3 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Charlottetown in August
August is a good time to be in Charlottetown. Days are excellent, reaching 24°C (75°F), with nights around 16°C (61°F). August is part of the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Charlottetown in August
The city usually sees around 221 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
Charlottetown Temperature in August
Min Temperature
16°C (61°F)
Max Temperature
24°C (75°F)
Chance of Rain
39%
Precipitation
85 mm (3.3 in)
Rainy days
12 days
Sunshine
221 hours
Percentage Sunshine
50%
Charlottetown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Charlottetown - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Charlottetown typically stay consistent throughout August, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Charlottetown in August
Browse day-by-day weather records for Charlottetown spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Charlottetown historical weather extremes in August
Based on 50 years of weather observations in Charlottetown between 1976 and 2026, these are the recorded extremes.
- On August 12, 2025, temperatures climbed to 34°C (93°F), marking the warmest August day on record.
- The coldest August day was on August 26, 1989, with a maximum of 12°C (54°F).
- The lowest overnight temperature recorded in August was 6°C (43°F) (August 28, 1987).
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Charlottetown in August
For Charlottetown in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Charlottetown in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Charlottetown 3-Day Forecast
More climate data for Charlottetown
See the full Charlottetown climate overview or explore weather in Canada.
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