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Weather & Climate in Ellison, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ellison experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 25°F in January while summers reach 68°F in July. The area gets 309 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 15.1 inches (drier than the 38-inch national average). The area receives 3.6 inches of snow annually. The city sits at an elevation of 1,385 feet.
Temperature
25°F Jan (-4°C)
68°F Jul (20°C)
| Annual Average | 46.9°F |
| 13% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 309 days/yr |
Geography
| Elevation | 1,385 ft (422 m) |
| Area | 136.3 sq mi (353.0 km²) |
| Population Density | 23/sq mi |
| Coordinates | 49.9331°N, 119.3691°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
76 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 | 66 km | 10 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 82 km | 1 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 76 km | 10 km |
| Mar 3, 1998 | 16 km NNE of Grand Forks, Canada | M3.8 | 112 km | 5 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 75 km | 10 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 89 km | 5 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 124 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 78 km | 7 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 135 km | 5 km |
| Aug 20, 1990 | 23 km NW of Nelson, Canada | M3.3 | 135 km | -1 km |
| Oct 27, 1991 | 21 km N of Castlegar, Canada | M3.3 | 135 km | 7 km |
| Apr 20, 2025 | 8 km NW of Tonasket, Washington | M3.2 | 130 km | 15 km |
| Apr 13, 2025 | 7 km NW of Tonasket, Washington | M3.2 | 131 km | 15 km |
| Mar 3, 1998 | 15 km NNE of Grand Forks, Canada | M3.2 | 115 km | 5 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 66 km | 10 km |
| May 15, 2025 | 9 km NW of Tonasket, Washington | M3.1 | 129 km | 15 km |
| Apr 13, 2025 | 6 km NW of Tonasket, Washington | M3.1 | 131 km | 15 km |
| Aug 19, 2017 | 23 km WNW of Princeton, Canada | M3.1 | 112 km | 6 km |
| Nov 25, 2000 | 13 km SSE of Oroville, Washington | M3.1 | 122 km | 1 km |
| Apr 16, 2025 | 9 km NW of Tonasket, Washington | M3.1 | 131 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 1.3 in | Coldest |
| February | 30°F (-1°C) | 0.9 in | Driest |
| March | 39°F (4°C) | 0.9 in | |
| April | 47°F (8°C) | 1.1 in | |
| May | 56°F (13°C) | 1.5 in | |
| June | 62°F (17°C) | 1.7 in | Wettest |
| July | 68°F (20°C) | 1.4 in | Warmest |
| August | 68°F (20°C) | 1.2 in | |
| September | 58°F (14°C) | 1.3 in | |
| October | 47°F (8°C) | 1.1 in | |
| November | 36°F (2°C) | 1.4 in | |
| December | 28°F (-2°C) | 1.5 in |
Ellison has a seasonal temperature swing of 42°F / from 25°F in January to 68°F in July. Total annual precipitation is 15.1 inches, with June being the wettest month (1.7") and February the driest (0.9").