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Weather & Climate in Heffley Creek, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heffley Creek has a cool climate with an average annual temperature of 43°F (6°C). Winters average 20°F in January while summers reach 64°F in July. The area gets 303 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 18.0 inches (drier than the 38-inch national average). The area receives 6.8 inches of snow annually. The city sits at an elevation of 1,175 feet.
Temperature
20°F Jan (-7°C)
64°F Jul (18°C)
| Annual Average | 42.9°F |
| 21% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 303 days/yr |
Geography
| Elevation | 1,175 ft (358 m) |
| Area | 247.3 sq mi (640.4 km²) |
| Population Density | 2/sq mi |
| Coordinates | 50.8572°N, 120.2747°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Earthquake History
13 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 | 100 km | 10 km |
| Sep 19, 1993 | 32 km ENE of Merritt, Canada | M3.8 | 76 km | 10 km |
| Jan 12, 1997 | 15 km N of Princeton, Canada | M3.5 | 141 km | 5 km |
| Aug 20, 2003 | 39 km ESE of Merritt, Canada | M3.2 | 100 km | 10 km |
| May 18, 2011 | 18 km NNE of Princeton, Canada | M3.0 | 138 km | 8 km |
| Feb 13, 2010 | 36 km NNE of Princeton, Canada | M3.0 | 125 km | 18 km |
| Apr 9, 1990 | 24 km W of Peachland, Canada | M2.8 | 123 km | -2 km |
| Mar 3, 1997 | 8 km SSE of Peachland, Canada | M2.7 | 135 km | 5 km |
| Aug 23, 1990 | 30 km ESE of Ellison, Canada | M2.7 | 144 km | 8 km |
| Aug 24, 2013 | 4 km NNE of Merritt, Canada | M2.5 | 86 km | 7 km |
| May 26, 2011 | 23 km NNW of Princeton, Canada | M2.5 | 135 km | 8 km |
| Jun 20, 1993 | 28 km NNE of Princeton, Canada | M2.5 | 129 km | 3 km |
| Jul 12, 1993 | 5 km SW of Summerland, Canada | M2.5 | 150 km | 5 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 | 90 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Wells Gray-Clearwater (165 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wells Gray-Clearwater | Pyroclastic cone(s) | 2,576 m (8,451 ft) | 1550 | 165 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.4 in | Coldest |
| February | 27°F (-3°C) | 0.8 in | Driest |
| March | 35°F (2°C) | 1.0 in | |
| April | 44°F (7°C) | 1.1 in | |
| May | 52°F (11°C) | 1.8 in | |
| June | 59°F (15°C) | 2.2 in | Wettest |
| July | 64°F (18°C) | 1.9 in | Warmest |
| August | 64°F (18°C) | 1.6 in | |
| September | 55°F (13°C) | 1.3 in | |
| October | 43°F (6°C) | 1.3 in | |
| November | 31°F (-1°C) | 1.8 in | |
| December | 22°F (-6°C) | 1.8 in |
Heffley Creek has a seasonal temperature swing of 44°F / from 20°F in January to 64°F in July. Total annual precipitation is 18.0 inches, with June being the wettest month (2.2") and February the driest (0.8").