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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Slave Lake, Canada, with an average temperature ranging between min -14.8°C (5.4°F) and max -7.8°C (18°F). In January, Slave Lake experiences a minor shift in meteorological conditions with average high-temperatures marked at a still subzero cold -7.8°C (18°F), closely mirroring the climate in December. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Slave Lake, Canada, with an average temperature ranging between min -15.1°C (4.8°F) and max -7.4°C (18.7°F). The advent of February sees the average high-temperature at a still subzero cold -7.4°C (18.7°F), subtly shifted from January's -7.8°C (18°F). Weather in February »
Weather in March
The first month of the spring, March, is still a freezing cold month in Slave Lake, Canada, with temperature in the range of an average high of -2.3°C (27.9°F) and an average low of -10.3°C (13.5°F). Slave Lake's transition into March is marked by a temperature shift, moving from -7.4°C (18.7°F) in February to a still freezing cold -2.3°C (27.9°F). Weather in March »
Weather in April
April in Slave Lake, Canada, is a cold spring month, with an average temperature fluctuating between -2.7°C (27.1°F) and 5.6°C (42.1°F). April's arrival coincides with a temperature rise, moving from March's freezing cold -2.3°C (27.9°F) to a cold 5.6°C (42.1°F). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Slave Lake, Canada, with an average temperature varying between 14.5°C (58.1°F) and 3.4°C (38.1°F). Slave Lake's weather experiences a significant temperature rise with the arrival of May, soaring from an icy 5.6°C (42.1°F) in April to a refreshing 14.5°C (58.1°F). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Slave Lake, Canada, with an average temperature fluctuating between 18.1°C (64.6°F) and 7.4°C (45.3°F). As Slave Lake welcomes June, the average high-temperature sees a modest rise, transitioning from a refreshing 14.5°C (58.1°F) in May to an enjoyable 18.1°C (64.6°F). Weather in June »
Weather in July
July in Slave Lake, Canada, is an agreeable summer month, with an average temperature varying between 21°C (69.8°F) and 9.9°C (49.8°F). The warmest month is July, with an average high-temperature of 21°C (69.8°F) and an average low-temperature of 9.9°C (49.8°F). Weather in July »
Weather in August
August, the last month of the summer in Slave Lake, is also an agreeable month, with temperature in the range of an average low of 8.9°C (48°F) and an average high of 20.3°C (68.5°F). The arrival of August brings an average high-temperature of a still agreeable 20.3°C (68.5°F), subtly diverging from July's 21°C (69.8°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a refreshing month in Slave Lake, Canada, with an average temperature varying between 5°C (41°F) and 15.1°C (59.2°F). A moderate decline in the average high-temperature is seen during September, decreasing from an agreeable 20.3°C (68.5°F) in August to a refreshing 15.1°C (59.2°F). Weather in September »
Weather in October
October, like September, is a frosty autumn month in Slave Lake, Canada, with an average temperature fluctuating between -0.5°C (31.1°F) and 6.4°C (43.5°F). Slave Lake's transition into October is marked by a clear drop in the average high-temperature, receding from a moderate 15.1°C (59.2°F) in September to a frosty 6.4°C (43.5°F). Weather in October »
Weather in November
November, the last month of the autumn in Slave Lake, is also a subzero cold month, with an average temperature fluctuating between -8.6°C (16.5°F) and -2.6°C (27.3°F). The transition from October to November brings a clear temperature drop, with average high-temperatures decreasing from a frosty 6.4°C (43.5°F) to a subzero cold -2.6°C (27.3°F). Weather in November »
Weather in December
December, the first month of the winter in Slave Lake, is also a subzero cold month, with temperature in the range of an average high of -8.5°C (16.7°F) and an average low of -14.4°C (6.1°F). With average high temperatures of -8.5°C (16.7°F) and lows of -14.4°C (6.1°F), December is the coldest month. Weather in December »
Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Slave Lake?
Throughout the year, there are 119.7 rainfall days, and 409mm (16.1") of precipitation is accumulated.
When does it snow in Slave Lake?
Months with snowfall in Slave Lake are January through June, September through December.
How many days does it snow in Slave Lake?
In Slave Lake, Canada, during the entire year, snow falls for 114.3 days and aggregates up to 1073mm (42.24") of snow.
When is the lowest UV index in Slave Lake?
January through March, October and December, with an average maximum UV index of 1, are months with the lowest UV index in Slave Lake.
What is the most humid month in Slave Lake?
The most humid month is February, with an average relative humidity of 93%.
What is the snowiest month in Slave Lake?
March is the month with the most snowfall. Snow falls for 19.3 days and accumulates 173mm (6.81") of snow.
When is Daylight Saving Time (DST) in Slave Lake?
On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts in Slave Lake, and the time zone changes from MST to MDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the least humid month in Slave Lake?
With an average relative humidity of 61%, May is the least humid month in Slave Lake, Canada.
What is the month with the highest UV index in Slave Lake?
May through August, with an average maximum UV index of 4, are months with the highest UV index.
What is the wettest month in Slave Lake?
The month with the most rainfall in Slave Lake, Canada, is June, when the rain falls for 17.2 days and typically aggregates up to 71mm (2.8") of precipitation.
When are the longest days in Slave Lake?
With an average of 17h and 18min of daylight, June has the longest days of the year in Slave Lake.
What part of the year is the hottest in Slave Lake?
The month of July sees the average highest temperatures in Slave Lake, Canada, reaching 21°C (69.8°F) at the peak and 9.9°C (49.8°F) at the low.
When it does not snow in Slave Lake?
July and August are months without snowfall in Slave Lake, Canada.
What month has the most sunshine in Slave Lake?
With an average of 11.3h of sunshine, July has the most sunshine of the year in Slave Lake.
What month is the coldest in Slave Lake?
The coldest time of the year in Slave Lake, Canada, is December, with temperatures averaging a high of -8.5°C (16.7°F) and a low of -14.4°C (6.1°F).
What is the driest month in Slave Lake?
December is the month with the least rainfall. Rain falls for 3.5 days and accumulates 18mm (0.71") of precipitation.
What is the month with the shortest days in Slave Lake?
With an average of 7h and 12min of daylight, December has the shortest days of the year in Slave Lake, Canada.
What is the month with the least sunshine in Slave Lake?
With an average of 3.2h of sunshine, December has the least sunshine of the year.
Average temperature
Slave Lake, Canada
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is December (-8.5°C).
- Average low temperature in January:
-14.8°C - Average low temperature in February:
-15.1°C - Average low temperature in March:
-10.3°C - Average low temperature in April:
-2.7°C - Average low temperature in May:
3.4°C - Average low temperature in June:
7.4°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).
Average pressure
Slave Lake, Canada
- Average pressure in January:
1019.2mbar - Average pressure in February:
1019.9mbar - Average pressure in March:
1017mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1013.9mbar - Average pressure in June:
1010.1mbar
- Average pressure in July:
1011.7mbar - Average pressure in August:
1012mbar - Average pressure in September:
1013mbar - Average pressure in October:
1014.3mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1018.5mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1010.1mbar).
Average wind speed
Slave Lake, Canada
- Average wind speed in January:
11.8km/h - Average wind speed in February:
10.9km/h - Average wind speed in March:
10.7km/h - Average wind speed in April:
11.6km/h - Average wind speed in May:
11.4km/h - Average wind speed in June:
10.8km/h
- Average wind speed in July:
10.5km/h - Average wind speed in August:
10.8km/h - Average wind speed in September:
11.5km/h - Average wind speed in October:
12.2km/h - Average wind speed in November:
11.4km/h - Average wind speed in December:
11.5km/h
The windiest month (with the highest average wind speed) is October (12.2km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).
Average humidity
Slave Lake, Canada
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (61%).
Average rainfall
Slave Lake, Canada
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is December (18mm).
Average rainfall days
Slave Lake, Canada
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
2.8 days - Average rainfall days in March:
8 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall
Slave Lake, Canada
- Average snowfall in January:
163mm - Average snowfall in February:
165mm - Average snowfall in March:
173mm - Average snowfall in April:
138mm - Average snowfall in May:
23mm - Average snowfall in June:
6mm
The month with the highest snowfall is March (173mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Slave Lake, Canada
- Average snowfall days in January:
17.9 days - Average snowfall days in February:
18.8 days - Average snowfall days in March:
19.3 days - Average snowfall days in April:
12.1 days - Average snowfall days in May:
1.8 days - Average snowfall days in June:
0.3 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1.1 days - Average snowfall days in October:
9 days - Average snowfall days in November:
15.8 days - Average snowfall days in December:
18.2 days
The month with the highest number of snowfall days is March (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Slave Lake, Canada
- Average daylight in January:
7h and 5min - Average daylight in February:
9h and 4min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 1min - Average daylight in May:
16h and 1min - Average daylight in June:
17h and 2min
- Average daylight in July:
16h and 5min - Average daylight in August:
14h and 5min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 2min - Average daylight in November:
8h and 2min - Average daylight in December:
7h and 1min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 2min - Average sunshine in March:
4h and 0min - Average sunshine in April:
6h and 2min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days
Slave Lake, Canada
- Average sunshine days in January:
12.1 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
9 days - Average sunshine days in April:
8 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.4 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
12.9 days - Average sunshine days in December:
12.7 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (8 days).
Average UV index
Slave Lake, Canada
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October and December (UV index 1).
Average cloud cover
Slave Lake, Canada
The months with the most cloud cover are February and March (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Slave Lake, Canada
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (6km).
Slave Lake, Canada
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