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Weather & Climate in Thompson-Nicola O, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thompson-Nicola O has a cool climate with an average annual temperature of 40°F (5°C). Winters average 18°F in January while summers reach 60°F in July. The area gets 290 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 25.5 inches (drier than the 38-inch national average). The area receives 10.3 inches of snow annually. The city sits at an elevation of 1,276 feet.
Temperature
18°F Jan (-8°C)
60°F Jul (16°C)
| Annual Average | 40.2°F |
| 26% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 1,276 ft (389 m) |
| Area | 2,077.7 sq mi (5,381.2 km²) |
| Population Density | 1/sq mi |
| Coordinates | 51.4219°N, 120.2057°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 139 km | 10 km |
| Aug 24, 2013 | 4 km NNE of Merritt, Canada | M2.5 | 147 km | 7 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 | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Wells Gray-Clearwater (104 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wells Gray-Clearwater | Pyroclastic cone(s) | 2,576 m (8,451 ft) | 1550 | 104 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 2.1 in | Coldest |
| February | 25°F (-4°C) | 1.3 in | Driest |
| March | 32°F (0°C) | 1.5 in | |
| April | 41°F (5°C) | 1.6 in | |
| May | 49°F (10°C) | 2.2 in | |
| June | 56°F (13°C) | 2.8 in | Wettest |
| July | 60°F (16°C) | 2.5 in | |
| August | 60°F (16°C) | 2.2 in | Warmest |
| September | 52°F (11°C) | 1.8 in | |
| October | 41°F (5°C) | 2.1 in | |
| November | 29°F (-2°C) | 2.8 in | |
| December | 20°F (-7°C) | 2.6 in |
Thompson-Nicola O has a seasonal temperature swing of 43°F / from 18°F in January to 60°F in August. Total annual precipitation is 25.5 inches, with June being the wettest month (2.8") and February the driest (1.3").