Okanagan Mission, BC

Full City Profile · British Columbia

38,374 Population 282/sq mi density
50°F Avg Temperature
Okanagan Mission experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 31°F in January while summers reach 74°F in July. Annual precipitation totals 18.5 inches. The area receives 33.7 inches of snow annually.

Temperature

31°F Jan (-1°C) 74°F Jul (24°C)
Annual Average49.9°F
8% below US avg
January Average31°F (-1°C)
July Average74°F (24°C)

Geography

Elevation1,243 ft (379 m)
Area136.3 sq mi (353.0 km²)
Population Density282/sq mi
Coordinates49.8167°N, 119.4833°W
TimezoneAmerica/Vancouver

Precipitation & Snow

Annual Rainfall 18.5"
51% below US avg
Snowfall 33.7"
Wettest Month (Dec) 2.68"
Driest Month (Apr) 1.50"

Air Quality

Earthquake History

85 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M2.6 on Aug 10, 2025.

Aug 17, 2002 39 km ESE of Merritt, Canada M4.5 60 km
Sep 10, 2016 23 km E of Oliver, Canada M3.9 71 km
Mar 3, 1998 16 km NNE of Grand Forks, Canada M3.8 109 km
Sep 19, 1993 32 km ENE of Merritt, Canada M3.8 74 km
Jan 26, 1992 9 km SSE of Okanagan Falls, Canada M3.7 61 km
Jan 12, 1997 15 km N of Princeton, Canada M3.5 77 km
Mar 8, 1992 27 km SW of Princeton, Canada M3.4 110 km
Apr 28, 2023 38 km SW of Princeton, Canada M3.4 120 km
Jul 19, 2025 34 km W of Okanagan Falls, Canada M3.4 63 km
Oct 27, 1991 21 km N of Castlegar, Canada M3.3 139 km
Aug 20, 1990 23 km NW of Nelson, Canada M3.3 141 km
Apr 20, 2025 8 km NW of Tonasket, Washington M3.2 117 km
Mar 3, 1998 15 km NNE of Grand Forks, Canada M3.2 112 km
Aug 20, 2003 39 km ESE of Merritt, Canada M3.2 60 km
Apr 13, 2025 7 km NW of Tonasket, Washington M3.2 118 km
May 28, 2022 55 km NE of Marblemount, Washington M3.2 148 km
May 15, 2025 9 km NW of Tonasket, Washington M3.1 116 km
Apr 13, 2025 6 km NW of Tonasket, Washington M3.1 118 km
Aug 19, 2017 23 km WNW of Princeton, Canada M3.1 100 km
Nov 25, 2000 13 km SSE of Oroville, Washington M3.1 109 km
Source: USGS (M2.5+, 1990-2025)

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 15 149 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

8 wildfires (100+ acres) within 100 km. Largest: EAGLE BLUFF (16,499 ac, 2023).

Year Name Acres Distance
2023 EAGLE BLUFF 16,499 98 km
1994 UNNAMED 8,385 88 km
2015 NEWBY LAKE 5,794 98 km
2015 9 MILE 5,052 95 km
2023 CRATER CREEK 4,837 99 km
2007 LITTLE CHOPAKA 4,406 95 km
1994 UNNAMED 3,324 94 km
2003 UNNAMED 1,697 96 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-1°C) 2.4 in
February 24°F (-5°C) 1.9 in
March 30°F (-1°C) 1.7 in
April 38°F (3°C) 1.5 in Driest
May 46°F (8°C) 2.2 in
June 53°F (11°C) 2.6 in
July 74°F (24°C) 2.0 in Warmest
August 58°F (15°C) 1.8 in
September 50°F (10°C) 1.7 in
October 40°F (4°C) 1.5 in
November 28°F (-2°C) 2.4 in
December 20°F (-7°C) 2.7 in Coldest, Wettest

Okanagan Mission has a seasonal temperature swing of 54°F / from 20°F in December to 74°F in July. Total annual precipitation is 24.1 inches, with December being the wettest month (2.7") and April the driest (1.5").

View full weather details →