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August Weather in Sainte-Marie, Canada

Last updated: June 18, 2025

In August, the average temperature in Sainte-Marie, Canada is a comfortable 18°C (65°F). However, temperatures can vary significantly, with a minimum of 6°C (43°F) and a soaring maximum of 31°C (87°F). Be prepared for a bit of rain as well, with 149 mm (5.9 in) of precipitation expected over 15 days. Additionally, the average humidity is notably high at 81%, giving the atmosphere a warm, balmy feel.

August Temperature in Sainte-Marie

In August in Sainte-Marie, the average temperature is 18°C (65°F). Maximums can reach 31°C (87°F), and minimums can be as low as 6°C (43°F). It's a great time to visit for those who enjoy mild weather with the occasional warmer day, making it ideal for outdoor activities.

August Weather in Sainte-Marie: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sainte-Marie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sainte-Marie, August typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (87°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec141625385261676557463119
Data source: Temperature data for Sainte-Marie 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 Sainte-Marie

In Sainte-Marie in August, the precipitation amount is 149 mm (5.9 in) over a period of 15 days.

August Precipitation Trends in Sainte-Marie

The chart displays monthly precipitation patterns in Sainte-Marie, 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 Sainte-Marie, August typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec90889512311514814414910413813093
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sainte-Marie

In Sainte-Marie in August, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

August Average Humidity in Sainte-Marie

This chart illustrates the average monthly humidity levels in Sainte-Marie, 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 Sainte-Marie is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%90%87%79%73%81%81%81%87%89%92%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sainte-Marie

In Sainte-Marie 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 Sainte-Marie.

Maximum UV Index Levels in Sainte-Marie for August

The chart shows the monthly maximum UV Index (UVI) for Sainte-Marie 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 Sainte-Marie typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Sainte-Marie 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 Sainte-Marie Compares to Other Months

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

This table compares monthly weather conditions in Sainte-Marie, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)90 mm (3.6 inches)95%low
February Weather-9°C (17°F)88 mm (3.5 inches)93%moderate
March Weather-4°C (25°F)95 mm (3.7 inches)90%moderate
April Weather3°C (38°F)123 mm (4.9 inches)87%high
May Weather11°C (53°F)115 mm (4.5 inches)79%very high
June Weather16°C (62°F)148 mm (5.8 inches)73%very high
July Weather19°C (67°F)144 mm (5.7 inches)81%very high
August Weather18°C (65°F)149 mm (5.9 inches)81%very high
September Weather14°C (57°F)104 mm (4.1 inches)81%high
October Weather8°C (46°F)138 mm (5.4 inches)87%moderate
November Weather-1°C (31°F)129 mm (5.1 inches)89%moderate
December Weather-7°C (20°F)93 mm (3.6 inches)92%low

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