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March Weather in Slave Lake, Canada

Last updated: June 18, 2025

In March, the average temperature in Slave Lake, Canada hovers around -6°C (22°F), with extremes ranging from a chilly -34°C (-28°F) to a milder 16°C (61°F). Expect about 23 mm (0.9 in) of precipitation spread over 7 days, coupled with an average humidity level of 90%. Prepare for a wintery mix!

March Temperature in Slave Lake

In March in Slave Lake, the average temperature is -6°C (22°F). Maximum temperatures can reach 16°C (61°F), while minimums can drop as low as -34°C (-28°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit.

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

The chart illustrates March 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, March typically has an average temperature of -6°C (22°F), with highs reaching up to 16°C (61°F) and lows dropping to around -34°C (-28°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.

March Precipitation in Slave Lake

In Slave Lake in March, the total precipitation amount is 23 mm (0.9 in) over a duration of 7 days.

March Precipitation Trends in Slave Lake

The chart displays monthly precipitation patterns in Slave Lake, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Slave Lake, March typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec22242334411131216756444022
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Slave Lake

In Slave Lake in March, humidity is 90%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while navigating through the damp, frosty air.

March Average Humidity in Slave Lake

This chart illustrates the average monthly humidity levels in Slave Lake, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Slave Lake is approximately 90%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Slave Lake

In Slave Lake in March, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Slave Lake for better planning.

Maximum UV Index Levels in Slave Lake for March

The chart shows the monthly maximum UV Index (UVI) for Slave Lake in March, 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 March, the maximum UV index in Slave Lake typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577776311
Data source: Slave Lake March 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 March 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 March’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 March’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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