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October Weather in Slave Lake, Canada

Last updated: June 18, 2025

In Slave Lake, Canada, the average temperature in October hovers around 2°C (36°F), with extremes ranging from a chilly -16°C (3°F) to a maximum of 22°C (73°F). Expect around 44 mm (1.7 in) of precipitation spread over about 8 days, contributing to an average humidity level of 81%.

October Temperature in Slave Lake

In October in Slave Lake, the average temperature is 2°C (36°F). Maximum temperatures can reach 22°C (73°F), while minimums can drop as low as -16°C (3°F). Be prepared for a wide range of temperatures when traveling to Slave Lake during this time, and pack accordingly!

October Weather in Slave Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Slave Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slave Lake, October typically has an average temperature of 2°C (36°F), with highs reaching up to 22°C (73°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec12822345057615848362214
Data source: Temperature data for Slave Lake generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Slave Lake

In Slave Lake in October, the total precipitation amount is 44 mm (1.7 in) over a duration of 8 days.

October Precipitation Trends in Slave Lake

The chart displays monthly precipitation patterns in Slave Lake, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Slave Lake, October typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec22242334411131216756444022
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Slave Lake

In Slave Lake in October humidity is 81%. With an average temperature of 2°C (36°F), this humidity feels like a chilly dampness that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

October Average Humidity in Slave Lake

This chart illustrates the average monthly humidity levels in Slave Lake, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Slave Lake is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%93%91%78%70%70%79%78%73%81%85%93%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Slave Lake

In Slave Lake in October, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Slave Lake, you can check the information here.

Maximum UV Index Levels in Slave Lake for October

The chart shows the monthly maximum UV Index (UVI) for Slave Lake in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Slave Lake typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577776311
Data source: Slave Lake October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Slave Lake Compares to Other Months

Weather in Slave Lake varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Slave Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Slave Lake, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)21 mm (0.8 inches)88%low
February Weather-13°C (8°F)24 mm (0.9 inches)93%low
March Weather-6°C (22°F)23 mm (0.9 inches)90%moderate
April Weather1°C (34°F)34 mm (1.3 inches)78%moderate
May Weather10°C (50°F)41 mm (1.6 inches)70%high
June Weather14°C (58°F)113 mm (4.4 inches)70%high
July Weather16°C (61°F)121 mm (4.7 inches)79%high
August Weather14°C (58°F)67 mm (2.7 inches)78%high
September Weather9°C (49°F)55 mm (2.2 inches)73%high
October Weather2°C (36°F)44 mm (1.7 inches)81%moderate
November Weather-6°C (22°F)40 mm (1.6 inches)85%low
December Weather-10°C (14°F)22 mm (0.9 inches)93%low

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