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Weather & Climate in Gellatly, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gellatly has a cool climate with an average annual temperature of 43°F (6°C). Winters average 23°F in January while summers reach 63°F in July. The area gets 304 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 17.6 inches (drier than the 38-inch national average). The area receives 7.6 inches of snow annually. The city sits at an elevation of 1,112 feet.
Temperature
23°F Jan (-5°C)
63°F Jul (17°C)
| Annual Average | 43.3°F |
| 20% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 1,112 ft (339 m) |
| Area | 47.1 sq mi (122.1 km²) |
| Population Density | 42/sq mi |
| Coordinates | 49.8167°N, 119.6167°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
86 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Aug 17, 2002 | 39 km ESE of Merritt, Canada | M4.5 | 51 km | 10 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 74 km | 1 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 67 km | 10 km |
| Mar 3, 1998 | 16 km NNE of Grand Forks, Canada | M3.8 | 116 km | 5 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 61 km | 10 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 68 km | 5 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 102 km | 5 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 113 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 57 km | 7 km |
| Oct 27, 1991 | 21 km N of Castlegar, Canada | M3.3 | 148 km | 7 km |
| Apr 20, 2025 | 8 km NW of Tonasket, Washington | M3.2 | 117 km | 15 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 51 km | 10 km |
| Apr 13, 2025 | 7 km NW of Tonasket, Washington | M3.2 | 118 km | 15 km |
| Mar 3, 1998 | 15 km NNE of Grand Forks, Canada | M3.2 | 119 km | 5 km |
| May 28, 2022 | 55 km NE of Marblemount, Washington | M3.2 | 142 km | 0 km |
| May 15, 2025 | 9 km NW of Tonasket, Washington | M3.1 | 116 km | 15 km |
| Apr 13, 2025 | 6 km NW of Tonasket, Washington | M3.1 | 118 km | 15 km |
| Nov 25, 2000 | 13 km SSE of Oroville, Washington | M3.1 | 111 km | 1 km |
| Aug 19, 2017 | 23 km WNW of Princeton, Canada | M3.1 | 91 km | 6 km |
| Apr 16, 2025 | 9 km NW of Tonasket, Washington | M3.1 | 118 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1905 | THOMPSON RIVER | Meteorological | 6.0 m | 15 | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Baker (197 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
8 wildfires (100+ acres) recorded within 100 km. Largest: EAGLE BLUFF (16,499 acres, 2023).
| Year | Name | Acres Burned | Distance |
| 2023 | EAGLE BLUFF | 16,499 | 98 km |
| 1994 | UNNAMED | 8,385 | 88 km |
| 2015 | NEWBY LAKE | 5,794 | 96 km |
| 2015 | 9 MILE | 5,052 | 97 km |
| 2023 | CRATER CREEK | 4,837 | 97 km |
| 2007 | LITTLE CHOPAKA | 4,406 | 94 km |
| 1994 | UNNAMED | 3,324 | 94 km |
| 2003 | UNNAMED | 1,697 | 97 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.7 in | Coldest |
| February | 28°F (-2°C) | 1.2 in | |
| March | 35°F (2°C) | 1.1 in | Driest |
| April | 43°F (6°C) | 1.1 in | |
| May | 51°F (11°C) | 1.6 in | |
| June | 58°F (14°C) | 2.0 in | Wettest |
| July | 63°F (17°C) | 1.6 in | |
| August | 63°F (17°C) | 1.4 in | Warmest |
| September | 55°F (13°C) | 1.2 in | |
| October | 44°F (7°C) | 1.1 in | |
| November | 33°F (0°C) | 1.7 in | |
| December | 25°F (-4°C) | 1.9 in |
Gellatly has a seasonal temperature swing of 40°F / from 23°F in January to 63°F in August. Total annual precipitation is 17.6 inches, with June being the wettest month (2.0") and March the driest (1.1").