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Weather & Climate in Isle aux Morts, NL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Isle aux Morts has a cool climate with an average annual temperature of 40°F (5°C). Winters average 21°F in January while summers reach 61°F in July. The area gets 217 sunny days per year. Annual precipitation totals 65.6 inches (wetter than the 38-inch national average). The area receives 29.2 inches of snow annually, a moderate snowfall amount.
Temperature
21°F Jan (-6°C)
61°F Jul (16°C)
| Annual Average | 40.2°F |
| 26% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 217 days/yr |
Geography
| Area | 3.0 sq mi (7.7 km²) |
| Population Density | 187/sq mi |
| Coordinates | 47.5833°N, 58.9819°W |
| Timezone | America/St_Johns |
Precipitation & Snow
Air Quality
Hurricane History
4 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 | 165 km |
| 2002 | Gustav | Category 1 | 92 mph | 29 km |
| 2000 | Michael | Category 1 | — | 200 km |
| 1990 | Bertha | Category 1 | — | 292 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 6.4 in | |
| February | 19°F (-7°C) | 5.3 in | Coldest |
| March | 25°F (-4°C) | 4.9 in | |
| April | 34°F (1°C) | 5.6 in | |
| May | 45°F (7°C) | 4.7 in | |
| June | 54°F (12°C) | 4.7 in | Driest |
| July | 61°F (16°C) | 4.7 in | |
| August | 61°F (16°C) | 4.8 in | Warmest |
| September | 54°F (12°C) | 5.4 in | |
| October | 45°F (7°C) | 6.0 in | |
| November | 36°F (2°C) | 6.3 in | |
| December | 27°F (-3°C) | 6.9 in | Wettest |
Isle aux Morts has a seasonal temperature swing of 42°F / from 19°F in February to 61°F in August. Total annual precipitation is 65.6 inches, with December being the wettest month (6.9") and June the driest (4.7").