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Weather & Climate in Grand Falls-Windsor, NL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grand Falls-Windsor has a cool climate with an average annual temperature of 41°F (5°C). Winters average 25°F in January while summers reach 67°F in July. The area gets 169 sunny days per year, below the national average of 205. Annual precipitation totals 56.0 inches (wetter than the 38-inch national average). The area receives 92.0 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 226 feet.
Temperature
25°F Jan (-4°C)
67°F Jul (20°C)
| Annual Average | 41.3°F |
| 24% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 169 days/yr |
Geography
| Elevation | 226 ft (69 m) |
| Area | 21.2 sq mi (54.8 km²) |
| Population Density | 654/sq mi |
| Coordinates | 48.9332°N, 55.6649°W |
| Timezone | America/St_Johns |
Precipitation & Snow
Air Quality
Hurricane History
2 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 | 174 km |
| 2002 | Gustav | Category 1 | 86 mph | 263 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 3.8 in | |
| February | 16°F (-9°C) | 3.6 in | Coldest |
| March | 25°F (-4°C) | 3.7 in | |
| April | 35°F (2°C) | 3.2 in | |
| May | 45°F (7°C) | 3.1 in | Driest |
| June | 54°F (12°C) | 3.5 in | |
| July | 67°F (20°C) | 3.4 in | Warmest |
| August | 61°F (16°C) | 4.1 in | Wettest |
| September | 53°F (12°C) | 3.9 in | |
| October | 43°F (6°C) | 4.1 in | |
| November | 35°F (2°C) | 3.9 in | |
| December | 24°F (-4°C) | 3.8 in |
Grand Falls-Windsor has a seasonal temperature swing of 51°F / from 16°F in February to 67°F in July. Total annual precipitation is 44.1 inches, with August being the wettest month (4.1") and May the driest (3.1").