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Weather & Climate in Thompson-Nicola M, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thompson-Nicola M has a cool climate with an average annual temperature of 41°F (5°C). Winters average 20°F in January while summers reach 60°F in July. The area gets 305 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 16.9 inches (drier than the 38-inch national average). The area receives 7.2 inches of snow annually. The city sits at an elevation of 2,635 feet.
Temperature
20°F Jan (-7°C)
60°F Jul (16°C)
| Annual Average | 40.5°F |
| 25% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 2,635 ft (803 m) |
| Area | 1,484.7 sq mi (3,845.3 km²) |
| Population Density | 1/sq mi |
| Coordinates | 50.1631°N, 120.1964°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
51 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 | 24 km | 10 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 127 km | 1 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 12 km | 10 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 111 km | 10 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 66 km | 5 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 118 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 88 km | 7 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 107 km | 5 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 24 km | 10 km |
| Aug 19, 2017 | 23 km WNW of Princeton, Canada | M3.1 | 81 km | 6 km |
| Nov 5, 2000 | 8 km NW of Okanagan Falls, Canada | M3.0 | 93 km | 13 km |
| May 18, 2011 | 18 km NNE of Princeton, Canada | M3.0 | 63 km | 8 km |
| Aug 15, 2016 | 43 km S of Princeton, Canada | M3.0 | 125 km | 10 km |
| Feb 13, 2010 | 36 km NNE of Princeton, Canada | M3.0 | 47 km | 18 km |
| Dec 23, 1997 | 16 km ESE of Okanagan Falls, Canada | M2.9 | 112 km | -1 km |
| Jan 19, 2011 | 57 km SSW of Princeton, Canada | M2.9 | 139 km | 8 km |
| Feb 3, 1994 | 31 km ENE of Osoyoos, Canada | M2.9 | 144 km | 9 km |
| Feb 8, 2003 | Washington | M2.8 | 140 km | 5 km |
| Apr 9, 1990 | 24 km W of Peachland, Canada | M2.8 | 45 km | -2 km |
| Mar 6, 1992 | 42 km SSE of Princeton, Canada | M2.7 | 119 km | -1 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 | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Baker (193 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.6 in | Coldest |
| February | 25°F (-4°C) | 1.0 in | |
| March | 32°F (0°C) | 0.9 in | |
| April | 40°F (5°C) | 0.9 in | Driest |
| May | 49°F (9°C) | 1.5 in | |
| June | 55°F (13°C) | 2.0 in | Wettest |
| July | 60°F (16°C) | 1.7 in | |
| August | 61°F (16°C) | 1.3 in | Warmest |
| September | 52°F (11°C) | 1.2 in | |
| October | 41°F (5°C) | 1.1 in | |
| November | 29°F (-2°C) | 1.8 in | |
| December | 20°F (-6°C) | 1.9 in |
Thompson-Nicola M has a seasonal temperature swing of 41°F / from 20°F in January to 61°F in August. Total annual precipitation is 16.9 inches, with June being the wettest month (2.0") and April the driest (0.9").