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Weather & Climate in Porters Lake, NS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Porters Lake experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 35°F in January while summers reach 68°F in July. The area gets 238 sunny days per year, above the national average. Annual precipitation totals 79.9 inches (wetter than the 38-inch national average). The area receives 56.0 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 69 feet.
Temperature
35°F Jan (2°C)
68°F Jul (20°C)
| Annual Average | 47.6°F |
| 12% below US avg | |
| January Average | 35°F (2°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 238 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 53,086/sq mi |
| Coordinates | 44.7377°N, 63.3131°W |
| Timezone | America/Halifax |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.2.
| Jul 16, 2007 | 18 km WSW of Bridgewater, Canada | M3.2 | 122 km | 5 km |
| Jan 12, 2017 | 9 km E of Cow Bay, Canada | M2.7 | 12 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
8 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 | 85 km |
| 2009 | Bill | Category 1 | 81 mph | 75 km |
| 2008 | Kyle | Category 1 | 75 mph | 252 km |
| 2003 | Juan | Category 2 | 98 mph | 54 km |
| 2002 | Gustav | Category 1 | 92 mph | 151 km |
| 1996 | Hortense | Category 1 | 81 mph | 49 km |
| 1990 | Bertha | Category 1 | 81 mph | 231 km |
| 1989 | Dean | Category 1 | 75 mph | 276 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 7.0 m (23 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1917 | HALIFAX, NOVA SCOTIA | Earthquake + Landslide | 7.0 m | 2,000 | 24 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 5.4 in | |
| February | 23°F (-5°C) | 4.3 in | Coldest |
| March | 30°F (-1°C) | 4.9 in | |
| April | 39°F (4°C) | 4.7 in | |
| May | 49°F (9°C) | 4.5 in | |
| June | 58°F (14°C) | 4.3 in | |
| July | 68°F (20°C) | 4.1 in | Warmest, Driest |
| August | 65°F (18°C) | 4.2 in | |
| September | 58°F (15°C) | 4.2 in | |
| October | 48°F (9°C) | 4.9 in | |
| November | 39°F (4°C) | 6.0 in | Wettest |
| December | 29°F (-2°C) | 5.7 in |
Porters Lake has a seasonal temperature swing of 46°F / from 23°F in February to 68°F in July. Total annual precipitation is 57.1 inches, with November being the wettest month (6.0") and July the driest (4.1").