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

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

Data from: Charlottetown, Canada (53 KM, 33 Miles).

Daily hours of sunshine

Data from: Charlottetown, Canada (53 KM, 33 Miles).

Best Time to Visit Summerside

The best time to visit Summerside is during June, July, August and September, when the weather provides comfortable temperatures between 19°C (66°F) and 24°C (74°F). With rainfall of 78 mm (3.1 in) to 109 mm (4.3 in), you can expect pleasant weather during your visit in these months.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.

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.

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 (PE) 3-Day Forecast

Summerside on the map

Summerside is highlighted — select any city to see its climate.

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