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Weather & Climate in McCallum, NL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
McCallum has a cool climate with an average annual temperature of 40°F (5°C). Winters average 22°F in January while summers reach 59°F in July. The area gets 224 sunny days per year, above the national average. Annual precipitation totals 61.6 inches (wetter than the 38-inch national average). The area receives 25.7 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 20 feet.
Temperature
22°F Jan (-6°C)
59°F Jul (15°C)
| Annual Average | 40.2°F |
| 26% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 224 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 4.2 sq mi (10.8 km²) |
| Population Density | 11/sq mi |
| Coordinates | 47.6311°N, 56.2288°W |
| Timezone | America/St_Johns |
Precipitation & Snow
Air Quality
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Larry | Category 1 | 81 mph | 122 km |
| 2010 | Igor | Category 1 | 86 mph | 256 km |
| 2009 | Bill | Category 1 | 75 mph | 195 km |
| 2002 | Gustav | Category 1 | 86 mph | 178 km |
| 2000 | Michael | Category 1 | — | 179 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 5.4 in | |
| February | 21°F (-6°C) | 4.8 in | Coldest |
| March | 27°F (-3°C) | 4.8 in | |
| April | 35°F (2°C) | 4.9 in | |
| May | 44°F (7°C) | 4.5 in | Driest |
| June | 52°F (11°C) | 4.8 in | |
| July | 59°F (15°C) | 4.7 in | |
| August | 61°F (16°C) | 4.5 in | Warmest |
| September | 54°F (12°C) | 5.4 in | |
| October | 45°F (7°C) | 6.0 in | |
| November | 37°F (3°C) | 6.1 in | Wettest |
| December | 28°F (-3°C) | 5.7 in |
McCallum has a seasonal temperature swing of 40°F / from 21°F in February to 61°F in August. Total annual precipitation is 61.6 inches, with November being the wettest month (6.1") and May the driest (4.5").