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Weather & Climate in Oyama, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oyama experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 26°F in January while summers reach 66°F in July. The area gets 306 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 16.7 inches (drier than the 38-inch national average). The area receives 4.2 inches of snow annually. The city sits at an elevation of 1,286 feet.
Temperature
26°F Jan (-3°C)
66°F Jul (19°C)
| Annual Average | 46.1°F |
| 15% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 1,286 ft (392 m) |
| Area | 47.2 sq mi (122.2 km²) |
| Population Density | 21/sq mi |
| Coordinates | 50.1167°N, 119.3667°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
57 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 | 68 km | 10 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 102 km | 1 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 71 km | 10 km |
| Mar 3, 1998 | 16 km NNE of Grand Forks, Canada | M3.8 | 128 km | 5 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 95 km | 10 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 100 km | 5 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 137 km | 5 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 148 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 95 km | 7 km |
| Aug 20, 1990 | 23 km NW of Nelson, Canada | M3.3 | 141 km | -1 km |
| Oct 27, 1991 | 21 km N of Castlegar, Canada | M3.3 | 143 km | 7 km |
| Mar 3, 1998 | 15 km NNE of Grand Forks, Canada | M3.2 | 131 km | 5 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 68 km | 10 km |
| May 15, 2025 | 9 km NW of Tonasket, Washington | M3.1 | 150 km | 15 km |
| Aug 19, 2017 | 23 km WNW of Princeton, Canada | M3.1 | 121 km | 6 km |
| Nov 25, 2000 | 13 km SSE of Oroville, Washington | M3.1 | 142 km | 1 km |
| Oct 23, 1991 | 21 km N of Castlegar, Canada | M3.0 | 143 km | 7 km |
| Aug 15, 2016 | 43 km S of Princeton, Canada | M3.0 | 145 km | 10 km |
| Nov 5, 2000 | 8 km NW of Okanagan Falls, Canada | M3.0 | 81 km | 13 km |
| May 18, 2011 | 18 km NNE of Princeton, Canada | M3.0 | 95 km | 8 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 | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.5 in | Coldest |
| February | 31°F (-1°C) | 1.0 in | Driest |
| March | 38°F (3°C) | 1.0 in | |
| April | 46°F (8°C) | 1.1 in | |
| May | 54°F (12°C) | 1.5 in | |
| June | 61°F (16°C) | 1.8 in | Wettest |
| July | 66°F (19°C) | 1.5 in | |
| August | 66°F (19°C) | 1.3 in | Warmest |
| September | 57°F (14°C) | 1.4 in | |
| October | 46°F (8°C) | 1.2 in | |
| November | 36°F (2°C) | 1.6 in | |
| December | 28°F (-2°C) | 1.7 in |
Oyama has a seasonal temperature swing of 40°F / from 26°F in January to 66°F in August. Total annual precipitation is 16.7 inches, with June being the wettest month (1.8") and February the driest (1.0").