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August Weather in Shawinigan, Canada

Last updated: June 18, 2025

In August, the average temperature in Shawinigan, Canada is a pleasant 20°C (68°F). Expect a minimum chill of 6°C (43°F) and the possibility of warm highs reaching 32°C (91°F). During this month, you can anticipate 94 mm (3.7 in) of precipitation spread over 12 days. Also, be prepared for a relatively high average humidity of 78%.

August Temperature in Shawinigan

In August in Shawinigan, the average temperature is 20°C (68°F). Maximums can reach 32°C (91°F), while minimums can be as low as 6°C (43°F). This climate makes Shawinigan an ideal destination for travelers looking to enjoy mild temperatures and a variety of outdoor activities.

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

The chart illustrates August temperature patterns in Shawinigan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shawinigan, August typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (91°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec131626395564706859473119
Data source: Temperature data for Shawinigan 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 Shawinigan

In Shawinigan in August, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

August Precipitation Trends in Shawinigan

The chart displays monthly precipitation patterns in Shawinigan, 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 Shawinigan, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8180871159210386947312011594
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Shawinigan

In Shawinigan in August humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

August Average Humidity in Shawinigan

This chart illustrates the average monthly humidity levels in Shawinigan, 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 Shawinigan is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%90%86%78%71%79%78%78%87%90%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Shawinigan

In Shawinigan 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 Shawinigan.

Maximum UV Index Levels in Shawinigan for August

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

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

This table compares monthly weather conditions in Shawinigan, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)80 mm (3.2 inches)95%low
February Weather-9°C (16°F)80 mm (3.2 inches)94%moderate
March Weather-4°C (26°F)87 mm (3.4 inches)90%moderate
April Weather4°C (40°F)115 mm (4.5 inches)86%high
May Weather13°C (55°F)92 mm (3.6 inches)77%very high
June Weather18°C (64°F)103 mm (4.0 inches)71%very high
July Weather21°C (70°F)86 mm (3.4 inches)79%very high
August Weather20°C (68°F)94 mm (3.7 inches)78%very high
September Weather15°C (59°F)73 mm (2.9 inches)78%high
October Weather8°C (47°F)120 mm (4.7 inches)87%moderate
November Weather0°C (32°F)115 mm (4.5 inches)90%moderate
December Weather-7°C (19°F)94 mm (3.7 inches)93%low

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