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Weather & Climate in Princeton, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Princeton has a cool climate with an average annual temperature of 41°F (5°C). Winters average 21°F in January while summers reach 61°F in July. The area gets 300 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 19.7 inches (drier than the 38-inch national average). The area receives 10.4 inches of snow annually. The city sits at an elevation of 2,165 feet.
Temperature
21°F Jan (-6°C)
61°F Jul (16°C)
| Annual Average | 41.3°F |
| 24% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 300 days/yr |
Geography
| Elevation | 2,165 ft (660 m) |
| Area | 22.9 sq mi (59.3 km²) |
| Population Density | 126/sq mi |
| Coordinates | 49.4580°N, 120.5108°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
169 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Apr 14, 1990 | 4 km ENE of Deming, Washington | M5.0 | 138 km | 12 km |
| Jun 24, 1997 | 16 km WNW of Malott, Washington | M4.6 | 130 km | 10 km |
| Aug 17, 2002 | 39 km ESE of Merritt, Canada | M4.5 | 58 km | 10 km |
| Apr 2, 1990 | 2 km ENE of Deming, Washington | M4.3 | 141 km | 0 km |
| Apr 3, 1990 | 3 km ENE of Deming, Washington | M4.0 | 139 km | 1 km |
| Apr 14, 1990 | 2 km ESE of Deming, Washington | M4.0 | 141 km | 3 km |
| Sep 10, 2016 | 23 km E of Oliver, Canada | M3.9 | 97 km | 1 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 81 km | 10 km |
| Jan 26, 1992 | 9 km SSE of Okanagan Falls, Canada | M3.7 | 74 km | 10 km |
| Apr 14, 1990 | 2 km E of Deming, Washington | M3.6 | 140 km | 2 km |
| Jun 24, 1997 | 16 km NW of Malott, Washington | M3.6 | 129 km | 7 km |
| May 23, 1990 | 1 km E of Deming, Washington | M3.6 | 141 km | 1 km |
| Jun 21, 1990 | 4 km ENE of Deming, Washington | M3.6 | 138 km | 1 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 16 km | 5 km |
| Jul 31, 1990 | 3 km E of Deming, Washington | M3.5 | 139 km | 1 km |
| Apr 28, 2023 | 38 km SW of Princeton, Canada | M3.4 | 38 km | 5 km |
| Jul 19, 2025 | 34 km W of Okanagan Falls, Canada | M3.4 | 36 km | 7 km |
| Mar 8, 1992 | 27 km SW of Princeton, Canada | M3.4 | 27 km | 5 km |
| Jul 5, 2015 | 7 km ENE of Sumas, Washington | M3.3 | 130 km | 8 km |
| Apr 21, 1990 | 4 km E of Deming, Washington | M3.3 | 139 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 38.0 m (125 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2007 | CHEHALIS LAKE, CHILLIWACK | Meteorological | 38.0 m | — | 108 km |
| 1905 | THOMPSON RIVER | Meteorological | 6.0 m | 15 | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Baker (121 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 121 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 156 km |
| Garibaldi | Stratovolcano | 2,678 m (8,786 ft) | -8060 | 184 km |
| Garibaldi Lake | Volcanic field | 2,316 m (7,598 ft) | Unknown | 187 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: DIAMOND CREEK (117,527 acres, 2017).
| Year | Name | Acres Burned | Distance |
| 2017 | DIAMOND CREEK | 117,527 | 59 km |
| 2006 | TRIPOD COMPLEX (SPUR PEAK) | 115,123 | 79 km |
| 2003 | FAWN PEAK COMPLEX (FAREWELL) | 77,444 | 73 km |
| 2021 | CUB CREEK 2 | 74,601 | 91 km |
| 2006 | TATOOSH COMPLEX | 48,862 | 54 km |
| 2022 | PARKS | 34,621 | 53 km |
| 2018 | MCLEOD | 24,738 | 85 km |
| 2003 | NEEDLES | 21,458 | 89 km |
| 2020 | PALMER | 18,015 | 94 km |
| 2023 | EAGLE BLUFF | 16,499 | 91 km |
| 1994 | THUNDER | 10,720 | 83 km |
| 2001 | THIRTY MILE | 9,120 | 79 km |
| 2014 | UPPER FALLS | 8,846 | 81 km |
| 1994 | UNNAMED | 8,385 | 82 km |
| 2002 | QUARTZ MT. COMPLEX (MIDDLE MOUNTAIN) | 8,173 | 62 km |
| 2023 | SOURDOUGH | 7,517 | 93 km |
| 2021 | CHICKADEE CREEK | 7,003 | 95 km |
| 2015 | NEWBY LAKE | 5,794 | 70 km |
| 2003 | ISABEL | 5,617 | 99 km |
| 2022 | KID | 5,188 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 2.6 in | Coldest, Wettest |
| February | 27°F (-3°C) | 1.6 in | |
| March | 34°F (1°C) | 1.2 in | |
| April | 41°F (5°C) | 0.9 in | Driest |
| May | 49°F (9°C) | 1.4 in | |
| June | 56°F (13°C) | 1.7 in | |
| July | 61°F (16°C) | 1.4 in | |
| August | 61°F (16°C) | 1.3 in | Warmest |
| September | 53°F (12°C) | 1.2 in | |
| October | 43°F (6°C) | 1.4 in | |
| November | 30°F (-1°C) | 2.5 in | |
| December | 21°F (-6°C) | 2.4 in |
Princeton has a seasonal temperature swing of 41°F / from 21°F in January to 61°F in August. Total annual precipitation is 19.7 inches, with January being the wettest month (2.6") and April the driest (0.9").