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Weather & Climate in Irishtown-Summerside, NL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Irishtown-Summerside has a cool climate with an average annual temperature of 37°F (3°C). Winters average 18°F in January while summers reach 59°F in July. The area gets 242 sunny days per year, above the national average. Annual precipitation totals 51.6 inches (wetter than the 38-inch national average). The area receives 25.2 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 338 feet.
Temperature
18°F Jan (-8°C)
59°F Jul (15°C)
| Annual Average | 37.3°F |
| 31% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 242 days/yr |
Geography
| Elevation | 338 ft (103 m) |
| Area | 4.6 sq mi (11.9 km²) |
| Population Density | 275/sq mi |
| Coordinates | 48.9833°N, 57.9817°W |
| Timezone | America/St_Johns |
Precipitation & Snow
Air Quality
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2009 | Bill | Category 1 | 75 mph | 298 km |
| 2002 | Gustav | Category 1 | 86 mph | 161 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 5.1 in | |
| February | 16°F (-9°C) | 3.7 in | Coldest |
| March | 23°F (-5°C) | 3.3 in | |
| April | 32°F (0°C) | 2.8 in | Driest |
| May | 42°F (6°C) | 3.4 in | |
| June | 52°F (11°C) | 4.0 in | |
| July | 59°F (15°C) | 4.1 in | Warmest |
| August | 59°F (15°C) | 4.9 in | |
| September | 51°F (11°C) | 5.0 in | |
| October | 41°F (5°C) | 5.1 in | |
| November | 33°F (0°C) | 5.1 in | |
| December | 23°F (-5°C) | 5.2 in | Wettest |
Irishtown-Summerside has a seasonal temperature swing of 43°F / from 16°F in February to 59°F in July. Total annual precipitation is 51.6 inches, with December being the wettest month (5.2") and April the driest (2.8").