Slave Lake, Alberta Climate Data

Slave Lake, Alberta climate data is summarized below. Average annual temperatures range from 28.3 °F (low) to 44.6 °F (high). Annual precipitation averages 15.9 Inches. Slave Lake is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.

Avg Annual High44.6 °F
Avg Annual Low28.3 °F
Annual Precipitation15.9 in.
Hardiness ZoneZone 3a
Growing Season: Last frost around May 21 - May 31 — First frost around Sep.11 - Sep. 20 — Approximately Over 180 Days frost days per year.

Monthly Average Climate Data for Slave Lake, Alberta

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January-25.9 °F-21.6 °F0 in.
February-25.7 °F-20.8 °F0 in.
March-23.4 °F-18.1 °F0 in.
April-19.2 °F-14 °F533.4 in.
May-15.9 °F-9.4 °F1524 in.
June-13 °F-7.1 °F2057.4 in.
July-11.4 °F-5.7 °F2565.4 in.
August-12.1 °F-6.4 °F1498.6 in.
September-14.7 °F-8.9 °F1168.4 in.
October-17.4 °F-13.2 °F889 in.
November-21.8 °F-18.7 °F0 in.
December-26.5 °F-22.7 °F0 in.
Annual28.3 °F44.6 °F15.87 in.

Additional Climate Conditions

Feels Like High-11.34|-9.32|-3.83|4.68|14.48|19.07|21.73|20.52|15.31|6.39|-4.92|-13.13 °F
Feels Like Low-20.46|-19.7|-14.64|-6.1|1.29|7.42|10.68|9.23|3.75|-2.4|-12.13|-21.96 °F
Avg Humidity80.67|76.17|71.45|66.92|59.51|66|69.92|71.42|71.08|72.63|80.83|81.13%
Avg Wind Speed12.54|10.84|10.87|11.66|11.2|10.33|10.7|10.19|11.39|12.28|12.07|11.57 mph
Cloud Cover75.5|78|74|67.5|55|58.5|48|50|52|64.5|74|72.5%
Days of Precipitation9|8|9|8|9|14|16|12|9|10|11|9 days/yr
Annual Snowfall86|64|55|24|4|0|0|0|0|15|65|93 in.

Climate Zone Data for Slave Lake, Alberta

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 21 - May 31
Average Days With FrostOver 180 Days
Plant Hardiness ZoneZone 3a : -40°F to -35°F
Current Drought ConditionsNormal
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