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Weather & Climate in Summerside, PE
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Summerside has a cool climate with an average annual temperature of 45°F (7°C). Winters average 28°F in January while summers reach 71°F in July. The area gets 214 sunny days per year. Annual precipitation totals 49.4 inches (wetter than the 38-inch national average). The area receives 71.5 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 20 feet.
Temperature
28°F Jan (-2°C)
71°F Jul (22°C)
| Annual Average | 45.4°F |
| 16% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 214 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 10.9 sq mi (28.2 km²) |
| Population Density | 1,469/sq mi |
| Coordinates | 46.3912°N, 63.7887°W |
| Timezone | America/Halifax |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.7.
| Mar 7, 2008 | 32 km S of Miramichi, Canada | M2.7 | 132 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2010 | Earl | Category 1 | 75 mph | 109 km |
| 2009 | Bill | Category 1 | 75 mph | 243 km |
| 2003 | Juan | Category 2 | 98 mph | 44 km |
| 2002 | Gustav | Category 1 | 92 mph | 261 km |
| 1996 | Hortense | Category 1 | 81 mph | 203 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 3.8 in | |
| February | 18°F (-8°C) | 2.8 in | Coldest, Driest |
| March | 26°F (-3°C) | 3.1 in | |
| April | 37°F (3°C) | 3.0 in | |
| May | 49°F (9°C) | 3.5 in | |
| June | 59°F (15°C) | 3.3 in | |
| July | 71°F (22°C) | 3.0 in | Warmest |
| August | 65°F (19°C) | 3.3 in | |
| September | 57°F (14°C) | 3.6 in | |
| October | 47°F (8°C) | 3.8 in | |
| November | 37°F (3°C) | 3.9 in | |
| December | 25°F (-4°C) | 4.1 in | Wettest |
Summerside has a seasonal temperature swing of 53°F / from 18°F in February to 71°F in July. Total annual precipitation is 41.2 inches, with December being the wettest month (4.1") and February the driest (2.8").