Best year time to visit Slave Lake

General weather information about Slave Lake

Average annual temperature is 5.1 °C

Absolute maximum temperature: 28.7 °C

Absolute minimum temperature: -34.0 °C

Number of sunny days: 188 days

Number of rainy days: 121 days

Number of snow days: 56 days

Look at detailed online map of Slave Lake

* Weather data for Slave Lake Canada is based on climate observations for 2026 year

Slave Lake air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	5.9	6.1	7.2	20.0	28.7	28.5	27.7	27.5	23.6	19.4	6.6	7.0
Average daytime temperature (°C)	-3.6	-3.8	-1.0	10.6	21.8	22.1	22.6	21.4	18.1	9.5	3.0	1.0
Average temperature (°C)	-6.7	-9.3	-7.6	3.9	14.3	16.4	17.5	16.6	12.8	5.2	-0.2	-2.9
Average night temperature (°C)	-9.4	-13.5	-12.8	-1.4	7.6	11.5	13.3	12.8	8.5	2.0	-2.6	-6.1
Absolute minimum temperature (°C)	-21.5	-34.0	-26.9	-9.0	2.2	5.9	8.6	8.2	4.1	-7.6	-8.2	-11.6

Slave Lake monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	13.0	15.0	16.0	17.0	17.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	7.8	9.7	11.9	14.2	16.2	17.3	16.8	15.0	12.7	10.5	8.4	7.2
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	17.0	16.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	3.5	5.3	9.0	10.4	12.5	12.0	12.0	10.2	10.1	6.8	4.1	4.3
Precipitation (mm)	34	30	4	11	53	93	143	113	14	24	8	8
Sunny days	16	10	21	20	17	13	9	15	17	16	13	21
Rainy days	4	7	0	5	14	17	22	16	13	7	11	5
Snow days	11	11	10	5	0	0	0	0	0	8	6	5

Slave Lake - weather forecast by months

Slave Lake weather in january Slave Lake weather in february Slave Lake weather in march Slave Lake weather in april Slave Lake weather in may Slave Lake weather in june Slave Lake weather in july Slave Lake weather in august Slave Lake weather in september Slave Lake weather in october Slave Lake weather in november Slave Lake weather in december

Best time to visit Slave Lake:

The best time to visit Slave Lake during the most sunny months:

May — 12.5(h)
June — 12.0(h)
July — 12.0(h)

Months with the longest average daylight duration in Slave Lake:

May — 16.2(h)
June — 17.3(h)
July — 16.8(h)

The largest precipitation sum in Slave Lake is at

June — 93(mm)

July — 143(mm)

August — 113(mm)

Weather forecast in the closest to Slave Lake admin centers