nomadseason

August Weather in Saint-Charles, Canada

Last updated: June 18, 2025

In August, the average temperature in Saint-Charles, Canada is a comfortable 21°C (70°F). However, temperatures can vary significantly, with a minimum of 7°C (45°F) and a maximum of 33°C (91°F). Expect around 101 mm (4.0 in) of precipitation spread over 12 days, contributing to an average humidity level of 75%. Embrace the diverse climate and plan your activities accordingly!

August Temperature in Saint-Charles

In August in Saint-Charles, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 7°C (45°F). This mild climate makes it a great time to explore the area and enjoy outdoor activities.

August Weather in Saint-Charles: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint-Charles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Charles, August typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec161928425766726961493422
Data source: Temperature data for Saint-Charles generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Saint-Charles

In Saint-Charles in August, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

August Precipitation Trends in Saint-Charles

The chart displays monthly precipitation patterns in Saint-Charles, 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 Saint-Charles, August typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8382841229696911016912911589
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Saint-Charles

In Saint-Charles in August, humidity is 75%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that makes exploring the area feel slightly sticky, requiring travelers to stay hydrated and take occasional breaks in the shade to fully enjoy their adventures.

August Average Humidity in Saint-Charles

This chart illustrates the average monthly humidity levels in Saint-Charles, 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 Saint-Charles is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Saint-Charles

In Saint-Charles 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 Saint-Charles.

Maximum UV Index Levels in Saint-Charles for August

The chart shows the monthly maximum UV Index (UVI) for Saint-Charles 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 Saint-Charles typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Saint-Charles 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 Saint-Charles Compares to Other Months

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

This table compares monthly weather conditions in Saint-Charles, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)83 mm (3.3 inches)93%low
February Weather-7°C (19°F)82 mm (3.2 inches)92%moderate
March Weather-2°C (28°F)84 mm (3.3 inches)86%moderate
April Weather6°C (43°F)122 mm (4.8 inches)85%high
May Weather14°C (57°F)96 mm (3.8 inches)80%very high
June Weather19°C (66°F)96 mm (3.8 inches)74%very high
July Weather22°C (72°F)91 mm (3.6 inches)76%very high
August Weather21°C (70°F)101 mm (4.0 inches)75%very high
September Weather16°C (61°F)69 mm (2.7 inches)78%high
October Weather10°C (49°F)129 mm (5.1 inches)86%moderate
November Weather1°C (34°F)115 mm (4.5 inches)88%moderate
December Weather-5°C (22°F)89 mm (3.5 inches)89%low

Compare Saint-Charles's Climate with Cities Worldwide