Summerside

What is the climate like in Summerside?

The best time to visit Summerside is typically July – September, with trip comfort peaking in August (6.9/10). Summerside is warmest in July, when daily highs average 77°F (25°C), and coolest in February, when lows fall to about 15°F (-10°C). The wettest month is typically November and the driest is May; the year sees roughly 43 in (1089 mm) of precipitation.

• Best time to visitJuly – September — comfort peaks in August (6.9/10)
• Warmest monthJuly — average high 77°F (25°C)
• Coolest monthFebruary — average low 15°F (-10°C)
• Wettest monthNovember (4.5 in (113 mm))
• Driest monthMay (3.0 in (77 mm))
• Annual precipitation43 in (1089 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromSummerside, 6 km away (1999-2026)