OʼLeary (PE) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit OʼLeary.
Climate overview of OʼLeary
OʼLeary, Prince Edward Island, Canada, sees big temperature differences between seasons, with August peaking at 22°C (72°F) and February dropping to -3°C (27°F).
The city has a wet climate, receiving around 1200 mm (47 in) of rain/snowfall per year. Despite the high annual total, it has pleasant summers and very cold winters. December is the wettest month.
OʼLeary Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in OʼLeary - and find the best time to visit.
Monthly Temperature in OʼLeary
Visitors to OʼLeary can expect significant temperature changes throughout the year. On average, daytime temperatures range from a pleasant 22°C (72°F) in August to a very cold -3°C (27°F) in February.
Nighttime temperatures range from 18°C (64°F) in August to -10°C (14°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in OʼLeary
OʼLeary is known for its substantial rain/snowfall, with annual precipitation reaching 1200 mm (47 in). The wettest period in OʼLeary occurs in December, which receives around 122 mm (4.8 in) of precipitation. During the driest month, July, OʼLeary experiences moderate rainfall, totaling 76 mm (3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our OʼLeary Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit OʼLeary
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Seasonal pattern: Pleasant summers and very cold winters
- Coldest conditions: February, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in OʼLeary
What is the best time to visit OʼLeary?
July and August typically offer the most optimal weather in OʼLeary. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. OʼLeary has pleasant summers and very cold winters.
What temperatures can I expect in OʼLeary?
Daytime highs range from -3°C (27°F) in February to 22°C (72°F) in August. Nighttime lows range from -10°C (14°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does OʼLeary get?
Annual rainfall is around 1200 mm (47 in). December is the wettest month with 122 mm (4.8 in), while July is the driest with 76 mm (3 in). In the coldest months, precipitation may fall as snow/rain.
OʼLeary 3-Day Forecast
OʼLeary on the map
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