Weather & Climate in Slave Lake, AB
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Slave Lake has a cool climate with an average annual temperature of 41°F (5°C). Winters average 20°F in January while summers reach 63°F in July. Annual precipitation totals 21.4 inches (drier than the 38-inch national average). The area receives 26.8 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 1,923 feet.
Temperature
20°F Jan (-7°C)
63°F Jul (17°C)
| Annual Average | 41.0°F |
| 24% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 63°F (17°C) |
Geography
| Elevation | 1,923 ft (586 m) |
| Area | 5.5 sq mi (14.3 km²) |
| Population Density | 1,237/sq mi |
| Coordinates | 55.2834°N, 114.7690°W |
| Timezone | America/Edmonton |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Mar 16, 2023 | 44 km ESE of Peace River, Canada | M4.7 | 148 km | 11 km |
| Mar 16, 2023 | Alberta, Canada | M4.6 | 147 km | 10 km |
| Mar 16, 2023 | Alberta, Canada | M4.2 | 148 km | 10 km |
| Mar 18, 1992 | 40 km SE of High Prairie, Canada | M3.5 | 76 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 0.9 in | |
| February | 12°F (-11°C) | 0.7 in | Driest |
| March | 23°F (-5°C) | 0.7 in | |
| April | 37°F (3°C) | 0.8 in | |
| May | 48°F (9°C) | 1.7 in | |
| June | 56°F (13°C) | 3.6 in | |
| July | 63°F (17°C) | 3.8 in | Warmest, Wettest |
| August | 58°F (15°C) | 2.7 in | |
| September | 49°F (10°C) | 1.9 in | |
| October | 39°F (4°C) | 1.1 in | |
| November | 22°F (-6°C) | 0.8 in | |
| December | 9°F (-13°C) | 0.9 in | Coldest |
Slave Lake has a seasonal temperature swing of 54°F / from 9°F in December to 63°F in July. Total annual precipitation is 19.6 inches, with July being the wettest month (3.8") and February the driest (0.7").