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October Weather in Lethbridge, Canada

Last updated: June 18, 2025

In October, the average temperature in Lethbridge, Canada hovers around 5°C (42°F), offering a chilly atmosphere. Expect temperature extremes reaching as low as -18°C (0°F) and peaking at a balmy 27°C (81°F). During this month, precipitation amounts to approximately 35 mm (1.4 in) over 7 days, contributing to an average humidity of 78%. Embrace the unique blend of coolness and moisture that defines this period!

October Temperature in Lethbridge

In October in Lethbridge, the average temperature is 5°C (42°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -18°C (0°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack layers for comfort.

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

The chart illustrates October 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, October typically has an average temperature of 5°C (42°F), with highs reaching up to 27°C (81°F) and lows dropping to around -18°C (0°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.

October Precipitation in Lethbridge

In Lethbridge in October, the precipitation amount is 35 mm (1.4 in) over the course of 7 days.

October Precipitation Trends in Lethbridge

The chart displays monthly precipitation patterns in Lethbridge, 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 Lethbridge, October typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec103123355662282535353422
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Lethbridge

In Lethbridge in October, humidity is 78%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and urging travelers to bundle up against the cold, sticky air.

October Average Humidity in Lethbridge

This chart illustrates the average monthly humidity levels in Lethbridge, 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 Lethbridge is approximately 78%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Lethbridge

In Lethbridge in October, 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 Lethbridge for better planning.

Maximum UV Index Levels in Lethbridge for October

The chart shows the monthly maximum UV Index (UVI) for Lethbridge 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 Lethbridge typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987422
Data source: Lethbridge 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 Lethbridge Compares to Other Months

Weather in Lethbridge varies notably across the year, with each month offering distinct climate conditions. This page compares October’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 October’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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