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Weather & Climate in Midway, BC

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Midway has a cool climate with an average annual temperature of 42°F (6°C). Winters average 21°F in January while summers reach 62°F in July. The area gets 299 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 20.3 inches (drier than the 38-inch national average). The area receives 8.8 inches of snow annually. The city sits at an elevation of 2,467 feet.

Temperature

21°F Jan (-6°C) 62°F Jul (17°C)
Annual Average41.9°F
22% below US avg
January Average21°F (-6°C)
July Average62°F (17°C)
Sunny Days299 days/yr

Geography

Elevation2,467 ft (752 m)
Area4.7 sq mi (12.2 km²)
Population Density138/sq mi
Coordinates49.0165°N, 118.7690°W
TimezoneAmerica/Vancouver

Precipitation & Snow

Annual Rainfall 20.3"
47% below US avg
Snowfall 8.8"
Wettest Month (Jun) 2.36"
Driest Month (Sep) 1.18"

Air Quality

Earthquake History

107 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.

Jun 24, 1997 16 km WNW of Malott, Washington M4.6 110 km 10 km
Sep 1, 2015 15 km N of Nespelem Community, Washington M4.2 81 km 9 km
Sep 10, 2016 23 km E of Oliver, Canada M3.9 40 km 1 km
Apr 15, 1991 4 km SE of Pateros, Washington M3.9 136 km 11 km
Mar 3, 1998 16 km NNE of Grand Forks, Canada M3.8 35 km 5 km
Jan 26, 1992 9 km SSE of Okanagan Falls, Canada M3.7 62 km 10 km
Jun 24, 1997 16 km NW of Malott, Washington M3.6 108 km 7 km
Jan 12, 1997 15 km N of Princeton, Canada M3.5 141 km 5 km
Jul 19, 2025 34 km W of Okanagan Falls, Canada M3.4 101 km 7 km
Mar 8, 1992 27 km SW of Princeton, Canada M3.4 147 km 5 km
Oct 27, 1991 21 km N of Castlegar, Canada M3.3 100 km 7 km
Aug 20, 1990 23 km NW of Nelson, Canada M3.3 112 km -1 km
Apr 20, 2025 8 km NW of Tonasket, Washington M3.2 61 km 15 km
Apr 13, 2025 7 km NW of Tonasket, Washington M3.2 61 km 15 km
Mar 3, 1998 15 km NNE of Grand Forks, Canada M3.2 35 km 5 km
Feb 15, 2020 37 km ESE of Nelson, Canada M3.2 149 km 10 km
May 15, 2025 9 km NW of Tonasket, Washington M3.1 60 km 15 km
Apr 13, 2025 6 km NW of Tonasket, Washington M3.1 61 km 15 km
Nov 25, 2000 13 km SSE of Oroville, Washington M3.1 47 km 1 km
Feb 14, 1991 10 km SW of Pateros, Washington M3.1 147 km 7 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tsunami History

9 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).

Year Location Cause Max Wave Deaths Distance
1952 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m 67 km
1949 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m 136 km
2024 COLUMBIA RIVER VALLEY, WA Meteorological 14.3 m 68 km
1944 COLUMBIA RIVER VALLEY, WA Meteorological 9.1 m 67 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 9.0 m 145 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological 4.8 m 67 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 3.6 m 133 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological 67 km
1952 COLUMBIA RIVER VALLEY, WA Meteorological 67 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Glacier Peak (200 km).

Name Type Elevation Last Eruption Distance
Glacier Peak Stratovolcano 3,213 m (10,541 ft) 1700 200 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: NORTH STAR (218,547 acres, 2015).

Year Name Acres Burned Distance
2015 NORTH STAR 218,547 68 km
2015 TUNK BLOCK 180,111 73 km
2015 LIMEBELT 137,098 88 km
2006 TRIPOD COMPLEX (SPUR PEAK) 115,123 91 km
2021 WHITMORE 59,925 96 km
2021 SUMMIT TRAIL 54,855 76 km
2015 STICKPIN 54,119 33 km
2021 CHUWEAH CREEK FIRE 37,393 97 km
2001 ST MARYS 34,914 89 km
1985 BARKER MT 32,839 51 km
2021 WALKER CREEK 26,165 34 km
2014 DEVILS ELBOW COMPLEX 25,988 84 km
2008 COLUMBIA RIVER ROAD 22,628 96 km
1988 WHITE MOUNTAIN 21,855 55 km
2012 ST MARYS MISSION ROAD 21,454 90 km
2020 PALMER 18,015 62 km
1996 TIMBERLINE COMPLEX 17,009 80 km
2023 EAGLE BLUFF 16,499 58 km
2007 TUNK GRADE 15,007 66 km
2021 MUCKAMUCK 14,426 88 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 21°F (-6°C) 1.9 in Coldest
February 27°F (-3°C) 1.4 in
March 34°F (1°C) 1.3 in
April 42°F (5°C) 1.6 in
May 50°F (10°C) 2.2 in
June 56°F (14°C) 2.4 in Wettest
July 62°F (17°C) 1.5 in
August 63°F (17°C) 1.5 in Warmest
September 54°F (12°C) 1.2 in Driest
October 42°F (6°C) 1.2 in
November 30°F (-1°C) 1.9 in
December 22°F (-6°C) 2.2 in

Midway has a seasonal temperature swing of 42°F / from 21°F in January to 63°F in August. Total annual precipitation is 20.3 inches, with June being the wettest month (2.4") and September the driest (1.2").

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