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August Weather in Cranbrook, Canada

Last updated: June 18, 2025

In Cranbrook, Canada, the average temperature in August hovers around 18°C (65°F). Expect minimum temperatures to drop to 3°C (37°F) and max out at a sizzling 37°C (99°F). During this month, precipitation averages 29 mm (1.1 in) over about 5 days, coupled with an average humidity of 71%.

August Temperature in Cranbrook

In August in Cranbrook, the average temperature is 18°C (65°F). Maximums can reach up to 37°C (99°F), while minimums can drop as low as 3°C (37°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is advisable.

August Weather in Cranbrook: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Cranbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cranbrook, August typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (99°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec211731395058666554393223
Data source: Temperature data for Cranbrook 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.

August Precipitation in Cranbrook

In Cranbrook in August, the total precipitation amount is 29 mm (1.1 in) recorded over a span of 5 days.

August Precipitation Trends in Cranbrook

The chart displays monthly precipitation patterns in Cranbrook, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Cranbrook, August typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec445648534750232938515769
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Cranbrook

In Cranbrook in August humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.

August Average Humidity in Cranbrook

This chart illustrates the average monthly humidity levels in Cranbrook, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Cranbrook is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Cranbrook

In Cranbrook in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Cranbrook.

Maximum UV Index Levels in Cranbrook for August

The chart shows the monthly maximum UV Index (UVI) for Cranbrook in August, 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 August, the maximum UV index in Cranbrook typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987421
Data source: Cranbrook August 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 August Weather in Cranbrook Compares to Other Months

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

This table compares monthly weather conditions in Cranbrook, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)44 mm (1.7 inches)95%low
February Weather-8°C (17°F)56 mm (2.2 inches)93%moderate
March Weather-1°C (31°F)48 mm (1.9 inches)91%moderate
April Weather4°C (39°F)53 mm (2.1 inches)88%high
May Weather10°C (51°F)47 mm (1.9 inches)83%very high
June Weather15°C (59°F)50 mm (2.0 inches)80%very high
July Weather19°C (66°F)23 mm (0.9 inches)82%very high
August Weather18°C (65°F)29 mm (1.1 inches)71%very high
September Weather12°C (55°F)38 mm (1.5 inches)71%high
October Weather4°C (40°F)51 mm (2.0 inches)85%moderate
November Weather0°C (32°F)57 mm (2.3 inches)90%low
December Weather-5°C (23°F)69 mm (2.7 inches)96%low

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