Charlottetown Climate by Month
Charlottetown, Prince Edward Island, Canada
Mild summers and freezing winters, with rain spread through the year.
Charlottetown has mild summers and freezing winters, with rain spread through the year. Expect highs of 75°F (24°C) in August and 28°F (-2°C) in February, with the coldest nights (February) near 12°F (-11°C). About 46 in (1180 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 85% relative humidity.
- Warmest month
- 75°F(24°C)
- Average high, August
- Coldest nights
- 12°F(-11°C)
- Average low, February
- Rain per year
- 46 in(1180 mm)
- No clear rainy season
- Humidity
- 85%
- Sunniest: July
Best and worst months in Charlottetown
Best for weatherJuly and August are the best time for weather in Charlottetown: highs near 74°F (24°C) and about 3.1 in (80 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 28°F (-2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Charlottetown weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 28°F(-2°C) | 13°F(-11°C) | 4.0 in(101 mm) | 100% | 1.3 |
| FebFebruary | 28°F(-2°C) | 12°F(-11°C) | 3.5 in(88 mm) | 100% | 2.4 |
| MarMarch | 34°F(1°C) | 20°F(-7°C) | 3.7 in(94 mm) | 80% | 3.4 |
| AprApril | 44°F(7°C) | 31°F(-1°C) | 3.2 in(82 mm) | 79% | 4.3 |
| MayMay | 56°F(13°C) | 40°F(4°C) | 3.5 in(89 mm) | 79% | 5.1 |
| JunJune | 66°F(19°C) | 49°F(10°C) | 3.9 in(100 mm) | 79% | 5.5 |
| JulJulyBest | 74°F(24°C) | 58°F(15°C) | 3.1 in(78 mm) | 77% | 5.6 |
| AugAugustBest | 75°F(24°C) | 59°F(15°C) | 3.2 in(82 mm) | 76% | 5.0 |
| SepSeptember | 67°F(20°C) | 52°F(11°C) | 4.0 in(102 mm) | 81% | 3.7 |
| OctOctober | 56°F(13°C) | 43°F(6°C) | 4.6 in(118 mm) | 84% | 2.3 |
| NovNovember | 46°F(8°C) | 34°F(1°C) | 4.7 in(119 mm) | 85% | 1.3 |
| DecDecember | 35°F(2°C) | 22°F(-5°C) | 5.0 in(127 mm) | 94% | 1.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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