Summerside (PE) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Summerside.
Climate overview of Summerside
Summerside, on Prince Edward Island, Canada, experiences warm summers and very cold, snowy winters. Precipitation is high year-round, with winter bringing frequent snowstorms. In summer, the city’s waterfront boardwalk and local festivals draw visitors from all over the world. Now, let’s explore all the climate details to give you a complete picture.
Summerside Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Summerside - and find the best time to visit.
Monthly Temperature in Summerside
In Summerside, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like February.
At night, you can expect temperatures ranging from 16°C (61°F) in July to around -11°C (12°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Summerside
Summerside experiences significant rain/snowfall throughout the year, averaging 1179 mm (46 in) of precipitation annually. Year-round, Summerside has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 120 mm (4.7 in), and the driest month, July, with 78 mm (3.1 in), is minimal. For more details, please visit our Summerside Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Summerside
Seasonal changes in sunshine hours are quite dramatic in Summerside. While July receives considerable daily sunshine with up to 8.5 hours, November marks the darkest time of the year, where sunshine is scarce with only 2.1 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Summerside
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
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: February, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Summerside
What is the best time to visit Summerside?
July and August typically offer the most optimal weather in Summerside. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Summerside has warm summers and very cold winters.
What temperatures can I expect in Summerside?
Daytime highs range from -2°C (28°F) in February to 24°C (75°F) in July. Nighttime lows range from -11°C (12°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Summerside get?
Annual rainfall is around 1179 mm (46 in). December is the wettest month with 120 mm (4.7 in), while July is the driest with 78 mm (3.1 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Summerside?
Summerside receives around 1,853 hours of sunshine per year. July is the sunniest month with 254 hours, while November is the cloudiest with just 64 hours.
Summerside 3-Day Forecast
Summerside on the map
Summerside is highlighted - select any city to see its climate.
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