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March Weather in Lethbridge, Canada

Last updated: June 18, 2025

In March, the average temperature in Lethbridge, Canada hovers around -1°C (31°F). However, temperatures can swing dramatically, with lows reaching as frigid as -38°C (-35°F) and highs peaking at 18°C (65°F). Throughout the month, expect about 23 mm (0.9 in) of precipitation over 7 rainy days, accompanied by a high average humidity of 88%.

March Temperature in Lethbridge

In March in Lethbridge, the average temperature is -1°C (31°F). Maximum temperatures can reach 18°C (65°F) while minimums can drop as low as -38°C (-35°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

March Weather in Lethbridge: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Lethbridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lethbridge, March typically has an average temperature of -1°C (31°F), with highs reaching up to 18°C (65°F) and lows dropping to around -38°C (-35°F).
JanFebMarAprMayJunJulAugSepOctNovDec241730405362676556423325
Data source: Temperature data for Lethbridge 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 Lethbridge

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

March Precipitation Trends in Lethbridge

The chart displays monthly precipitation patterns in Lethbridge, 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 Lethbridge, March typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec103123355662282535353422
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Lethbridge

In Lethbridge in March, humidity is 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.

March Average Humidity in Lethbridge

This chart illustrates the average monthly humidity levels in Lethbridge, 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 Lethbridge is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%84%78%77%79%69%69%78%87%94%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Lethbridge

In Lethbridge in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lethbridge.

Maximum UV Index Levels in Lethbridge for March

The chart shows the monthly maximum UV Index (UVI) for Lethbridge 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 Lethbridge typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987422
Data source: Lethbridge 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 Lethbridge Compares to Other Months

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

This table compares monthly weather conditions in Lethbridge, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)10 mm (0.4 inches)93%low
February Weather-9°C (17°F)31 mm (1.2 inches)91%moderate
March Weather-1°C (31°F)23 mm (0.9 inches)88%moderate
April Weather4°C (40°F)35 mm (1.4 inches)84%high
May Weather12°C (53°F)56 mm (2.2 inches)78%very high
June Weather16°C (62°F)62 mm (2.4 inches)77%very high
July Weather19°C (67°F)28 mm (1.1 inches)79%very high
August Weather19°C (66°F)25 mm (1.0 inches)69%very high
September Weather13°C (56°F)35 mm (1.4 inches)69%high
October Weather5°C (42°F)35 mm (1.4 inches)78%moderate
November Weather1°C (33°F)34 mm (1.3 inches)87%low
December Weather-4°C (26°F)22 mm (0.8 inches)94%low

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