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Weather & Climate in Mt. Lorne, YT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mt. Lorne has a cool climate with an average annual temperature of 30°F (-1°C). Winters average -2°F in January while summers reach 55°F in July. The area gets 313 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 12.4 inches (drier than the 38-inch national average). The area receives 6.3 inches of snow annually. The city sits at an elevation of 2,520 feet.
Temperature
-2°F Jan (-19°C)
55°F Jul (13°C)
| Annual Average | 29.6°F |
| 45% below US avg | |
| January Average | -2°F (-19°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 2,520 ft (768 m) |
| Area | 61.5 sq mi (159.2 km²) |
| Population Density | 8/sq mi |
| Coordinates | 60.4482°N, 134.8568°W |
| Timezone | America/Whitehorse |
Precipitation & Snow
Air Quality
Earthquake History
433 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| May 1, 2017 | 48 km NW of Mosquito Lake, Alaska | M6.3 | 123 km | 3 km |
| May 1, 2017 | 47 km NW of Mosquito Lake, Alaska | M6.2 | 124 km | 10 km |
| May 1, 2017 | 42 km NW of Mosquito Lake, Alaska | M5.7 | 126 km | 10 km |
| May 1, 2017 | 41 km NW of Mosquito Lake, Alaska | M5.6 | 123 km | 4 km |
| Sep 16, 2017 | 54 km NW of Mosquito Lake, Alaska | M5.0 | 125 km | 7 km |
| May 1, 2017 | 43 km NW of Mosquito Lake, Alaska | M5.0 | 123 km | 12 km |
| May 1, 2017 | 57 km NW of Mosquito Lake, Alaska | M5.0 | 127 km | 8 km |
| May 1, 2017 | 38 km NW of Mosquito Lake, Alaska | M4.9 | 122 km | 11 km |
| May 1, 2017 | 37 km NW of Mosquito Lake, Alaska | M4.8 | 124 km | 10 km |
| May 4, 2017 | 45 km NW of Mosquito Lake, Alaska | M4.7 | 124 km | 10 km |
| Apr 4, 1990 | 83 km NW of Whitehorse, Canada | M4.6 | 114 km | 10 km |
| Sep 11, 1999 | 56 km SSE of Haines Junction, Canada | M4.6 | 120 km | 10 km |
| May 1, 2017 | 47 km NW of Mosquito Lake, Alaska | M4.3 | 129 km | 4 km |
| Aug 3, 2000 | 58 km SE of Haines Junction, Canada | M4.3 | 100 km | 10 km |
| May 1, 2017 | 49 km NW of Mosquito Lake, Alaska | M4.3 | 120 km | 5 km |
| Jan 18, 2018 | 49 km NW of Mosquito Lake, Alaska | M4.3 | 130 km | 10 km |
| May 9, 2014 | 39 km NW of Mosquito Lake, Alaska | M4.2 | 123 km | 15 km |
| May 21, 2015 | 17 km W of Mosquito Lake, Alaska | M4.1 | 133 km | 15 km |
| May 1, 2017 | Southeastern Alaska | M4.1 | 122 km | 10 km |
| May 1, 2017 | 41 km NW of Mosquito Lake, Alaska | M4.1 | 126 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1994 | SKAGWAY, AK | Meteorological | 9.0 m | 1 | 108 km |
| 2024 | WHITEHORSE, YUKON | Meteorological | 2.5 m | — | 55 km |
| 1907 | SKAGWAY, AK | Eruption + Earthquake | 0.7 m | — | 111 km |
| 2017 | SKAGWAY, AK | Earthquake | 0.1 m | — | 124 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Alligator Lake (31 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Alligator Lake | Volcanic field | 2,217 m (7,274 ft) | Unknown | 31 km |
| Atlin Volcanic Field | Pyroclastic cone(s) | 1,880 m (6,168 ft) | Unknown | 121 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -2°F (-19°C) | 1.1 in | Coldest |
| February | 7°F (-14°C) | 0.9 in | |
| March | 18°F (-8°C) | 0.5 in | |
| April | 31°F (-0°C) | 0.2 in | Driest |
| May | 42°F (6°C) | 0.6 in | |
| June | 51°F (11°C) | 1.1 in | |
| July | 55°F (13°C) | 1.5 in | Warmest |
| August | 53°F (12°C) | 1.5 in | |
| September | 44°F (7°C) | 1.5 in | Wettest |
| October | 33°F (1°C) | 1.1 in | |
| November | 17°F (-9°C) | 1.2 in | |
| December | 6°F (-14°C) | 1.2 in |
Mt. Lorne has a seasonal temperature swing of 57°F / from -2°F in January to 55°F in July. Total annual precipitation is 12.4 inches, with September being the wettest month (1.5") and April the driest (0.2").