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Weather & Climate in Colchester, Subd. B, NS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Colchester, Subd. B has a cool climate with an average annual temperature of 42°F (6°C). Winters average 19°F in January while summers reach 65°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 47.0 inches (wetter than the 38-inch national average). The area receives 15.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 226 feet.
Temperature
19°F Jan (-7°C)
65°F Jul (18°C)
| Annual Average | 42.3°F |
| 22% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 226 ft (69 m) |
| Area | 482.0 sq mi (1,248.3 km²) |
| Population Density | 41/sq mi |
| Coordinates | 45.4377°N, 63.3489°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.
| Jan 12, 2017 | 9 km E of Cow Bay, Canada | M2.7 | 90 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
7 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 | 14 km |
| 2009 | Bill | Category 1 | 75 mph | 133 km |
| 2008 | Kyle | Category 1 | 75 mph | 290 km |
| 2003 | Juan | Category 2 | 98 mph | 72 km |
| 2002 | Gustav | Category 1 | 92 mph | 174 km |
| 1996 | Hortense | Category 1 | 81 mph | 97 km |
| 1990 | Bertha | Category 1 | 81 mph | 249 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 | 91 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 4.1 in | Coldest |
| February | 20°F (-7°C) | 3.4 in | Driest |
| March | 28°F (-2°C) | 3.8 in | |
| April | 38°F (4°C) | 3.6 in | |
| May | 49°F (9°C) | 4.0 in | |
| June | 58°F (15°C) | 3.7 in | |
| July | 65°F (18°C) | 3.5 in | Warmest |
| August | 64°F (18°C) | 3.5 in | |
| September | 57°F (14°C) | 4.1 in | |
| October | 47°F (8°C) | 4.3 in | |
| November | 37°F (3°C) | 4.6 in | Wettest |
| December | 26°F (-3°C) | 4.4 in |
Colchester, Subd. B has a seasonal temperature swing of 46°F / from 19°F in January to 65°F in July. Total annual precipitation is 47.0 inches, with November being the wettest month (4.6") and February the driest (3.4").