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August Weather in Gatineau, Canada

Last updated: June 18, 2025

In August, the average temperature in Gatineau, Canada is a pleasant 20°C (68°F), with temperatures ranging from a cool 7°C (45°F) to a warm 32°C (89°F). Expect 94 mm (3.7 in) of precipitation over about 13 days, contributing to an average humidity of 67%. This delightful weather makes it an ideal time to explore the beauty of Gatineau!

August Temperature in Gatineau

In August in Gatineau, the average temperature is 20°C (68°F). Maximums can reach 32°C (89°F), while minimums can drop as low as 7°C (45°F). It's a great time to visit for pleasant weather and outdoor activities.

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

The chart illustrates August temperature patterns in Gatineau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gatineau, August typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (89°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec161827415564706860483322
Data source: Temperature data for Gatineau 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 Gatineau

In Gatineau in August, the precipitation amount is 94 mm (3.7 in) spread over 13 days.

August Precipitation Trends in Gatineau

The chart displays monthly precipitation patterns in Gatineau, 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 Gatineau, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7681871121179811494791329780
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Gatineau

In Gatineau in August humidity is 67%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air clings to your skin and invites you to enjoy the sights at a leisurely pace.

August Average Humidity in Gatineau

This chart illustrates the average monthly humidity levels in Gatineau, 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 Gatineau is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Gatineau

In Gatineau 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 Gatineau.

Maximum UV Index Levels in Gatineau for August

The chart shows the monthly maximum UV Index (UVI) for Gatineau 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 Gatineau typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899887532
Data source: Gatineau 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 Gatineau Compares to Other Months

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

This table compares monthly weather conditions in Gatineau, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)76 mm (3.0 inches)93%low
February Weather-8°C (18°F)81 mm (3.2 inches)93%moderate
March Weather-3°C (27°F)87 mm (3.4 inches)86%moderate
April Weather5°C (42°F)112 mm (4.4 inches)82%very high
May Weather13°C (56°F)117 mm (4.6 inches)75%very high
June Weather18°C (65°F)98 mm (3.9 inches)68%very high
July Weather21°C (70°F)114 mm (4.5 inches)69%very high
August Weather20°C (68°F)94 mm (3.7 inches)67%very high
September Weather15°C (60°F)79 mm (3.1 inches)72%high
October Weather9°C (48°F)132 mm (5.2 inches)83%moderate
November Weather0°C (33°F)97 mm (3.8 inches)88%moderate
December Weather-5°C (22°F)80 mm (3.2 inches)89%low

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