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Weather & Climate in Harbour Breton, NL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Harbour Breton has a cool climate with an average annual temperature of 41°F (5°C). Winters average 24°F in January while summers reach 58°F in July. The area gets 225 sunny days per year, above the national average. Annual precipitation totals 61.0 inches (wetter than the 38-inch national average). The area receives 20.0 inches of snow annually, a moderate snowfall amount.
Temperature
24°F Jan (-5°C)
58°F Jul (14°C)
| Annual Average | 40.7°F |
| 25% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 225 days/yr |
Geography
| Area | 5.3 sq mi (13.8 km²) |
| Population Density | 277/sq mi |
| Coordinates | 47.4833°N, 55.7983°W |
| Timezone | America/St_Johns |
Precipitation & Snow
Air Quality
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Ernesto | Category 1 | 86 mph | 275 km |
| 2021 | Larry | Category 1 | 81 mph | 87 km |
| 2014 | Gonzalo | Category 1 | — | 282 km |
| 2010 | Igor | Category 1 | 86 mph | 220 km |
| 2009 | Bill | Category 1 | 75 mph | 207 km |
| 2002 | Gustav | Category 1 | 86 mph | 211 km |
| 2000 | Michael | Category 1 | — | 183 km |
| 1982 | Debby | Category 2 | 104 mph | 300 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 5.1 in | |
| February | 23°F (-5°C) | 5.2 in | Coldest |
| March | 28°F (-2°C) | 4.5 in | |
| April | 36°F (2°C) | 4.9 in | |
| May | 43°F (6°C) | 4.6 in | |
| June | 50°F (10°C) | 5.2 in | |
| July | 58°F (14°C) | 4.6 in | |
| August | 61°F (16°C) | 3.9 in | Warmest, Driest |
| September | 54°F (12°C) | 5.8 in | |
| October | 46°F (8°C) | 5.9 in | |
| November | 38°F (3°C) | 6.1 in | Wettest |
| December | 29°F (-2°C) | 5.3 in |
Harbour Breton has a seasonal temperature swing of 38°F / from 23°F in February to 61°F in August. Total annual precipitation is 61.0 inches, with November being the wettest month (6.1") and August the driest (3.9").