August Weather in Quebec, Canada

Last updated: April 22, 2025

Experience the vibrant summer of Quebec, Canada, where August offers a delightful blend of warm weather and refreshing rain. With maximum temperatures soaring to 31°C (88°F) and an average of 19°C (67°F), the month invites outdoor adventures in its beautiful landscapes. However, be prepared for a touch of serenity with 119 mm (4.7 in) of precipitation spread over 14 days, resulting in a humidity level of 81%. This unique climate ensures that while you bask in the sun, you also enjoy the lush greenery that thrives in these conditions. Embrace the charm of Quebec in August, where every day presents a new opportunity to explore and enjoy!

August Temperature in Quebec

In August, Quebec experiences a delightful summer warmth, with temperatures typically ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F). The average temperature hovers around 19°C (67°F), allowing residents and visitors alike to enjoy outdoor activities and bask in the sun's glow. This month is a significant departure from the biting cold of January, where temperatures can plunge to a chilling -31°C (-23°F). As summer transitions into autumn, August stands out as one of the warmest months, creating a vibrant atmosphere filled with festivals and natural beauty. With evenings still pleasantly mild, it's the perfect time to explore Quebec's picturesque landscapes before the crisp autumn air sets in.

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

The chart illustrates August temperature patterns in Quebec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec141726395463696758473220
Data source: Temperature data for Quebec 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 Quebec

August in Quebec showcases a remarkable balance of moisture, with precipitation totaling 119 mm (4.7 in) over the month. This marks a slight decrease from the wetter June but remains consistent with the typical summer pattern, where rain falls on an average of 14 days. Following the trend of the preceding months, August's rainfall supports the lush landscapes of the province, providing a vital water source for both flora and fauna before the transition into the drier autumn months. Collectively, these summer figures reflect the region's characteristic humidity and robust seasonal shifts, setting the stage for the rich colors of fall that soon follow.

August Precipitation Trends in Quebec

The chart displays monthly precipitation patterns in Quebec, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91879412210012510411993134132105
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Quebec

In Quebec, Canada, August marks a notable point in the humidity cycle, maintaining a level of 81%, consistent with the previous month of July. This brings a degree of relief from the peak summer humidity while still reflecting the lingering warmth of the season. As spring transitions to summer, humidity levels steadily decline, peaking in January at a staggering 95% and gradually decreasing to 73% by June. Following this trend, August's humidity aligns with September, suggesting a stable atmospheric condition as the province prepares for the fall. This pattern indicates a shift from the oppressive dampness of winter to a more moderate feel by late summer, inviting residents and visitors to enjoy the vibrant landscapes without the overwhelming stickiness of earlier months.

August Average Humidity in Quebec

This chart illustrates the average monthly humidity levels in Quebec, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
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 Quebec

In August, Quebec experiences a high UV Index of 8, categorizing it as very high exposure risk, similar to the previous month. This trend of elevated UV levels from May to August highlights the importance of sun protection during the summer weeks when the burn time is notably short at just 15 minutes. As the sun's intensity peaks in these months, residents and visitors alike should remain vigilant about UV safety measures. For those planning outdoor activities, understanding the UV Index is essential to avoid sunburn and skin damage. For more information, visit the detailed Quebec UV Index resource.

Maximum UV Index Levels in Quebec for August

The chart shows the monthly maximum UV Index (UVI) for Quebec 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.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Quebec 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.

August Sunshine in Quebec

August in Quebec shines brightly with 327 hours of sunshine, a true reflection of the warm summer months that precede it. Following July's peak of 349 hours, the sun begins to gently retreat, yet August still holds onto the vibrant glow of summer, making it a favorite for outdoor enthusiasts. The trend of increasing daylight hours from the winter's 111 hours in January to the summer’s plentiful days showcases Quebec's dramatic seasonal transitions, ultimately reaching a crescendo in early summer. As the sun begins to set slightly earlier in September, August serves as a glorious farewell to summer, perfectly balancing warmth and light before nature enters its autumn phase.

Monthly Sunshine Duration in Quebec: August Highlighted

The August sunshine duration represents the total number of hours Quebec experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec111h175h230h226h304h319h349h327h263h195h142h150h
Data source: Quebec August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Quebec During August

In August, Quebec enjoys a 41% chance of sunny weather, a figure that aligns with the sunniest months leading up to it. While the summer transition from July sees a slight dip in sunshine potential, August brings a refreshing boost, tying with both March and the vibrant month of May. This consistent sunny outlook signals that as summer reaches its peak, residents and visitors can expect more opportunities to bask in the warm rays, making it an ideal time to explore the province's natural beauty and outdoor activities. Following August, September does show a slight decline to 38%, marking a gradual transition toward the cooler months, yet still offering ample sunny days to enjoy late-summer adventures.

Percentage of Sunny Days in August in Quebec

The chart illustrates the percentage of sunny days in Quebec throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Quebec experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%39%41%41%41%32%31%41%38%36%40%30%
Data source: Quebec August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Quebec in August

As summer winds down in August, Quebec experiences a gradual transition in daylight, with 14 hours illuminating the days. This slight decline from the peak hours of 15 in June and July reflects the slow shift away from the summer solstice. From the earliest days of the year with only 9 hours of daylight in January, the province builds towards the vibrant summer months, where outdoor activities thrive. August’s daylight still promises plenty of sunshine, inviting residents to soak in the tail end of summer before the shorter days of September arrive, signaling the approach of fall and an eventual retreat into the cozy embrace of winter.

Average Daylight Hours in Quebec for August

The chart illustrates the variation in daylight duration in Quebec throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h10h 18m11h 56m13h 37m15h 3m15h 47m15h 23m14h 6m12h 29m10h 49m9h 21m8h 35m
Data source: Quebec daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Quebec

In August, Quebec experiences a gentle breeze with an average wind speed of 2.5 m/s (6 mph), marking a slight dip from the more blustery months of spring. This trend aligns with the overall seasonal shift, as wind speeds generally moderate during the summer, peaking in late winter and early spring, with March showcasing the highest average at 3.8 m/s (9 mph). As fall approaches, wind speeds gradually increase again, hinting at the seasonal transition. The consistent range of gentle winds from May through August invites outdoor activities, while the seasonal variability adds a dynamic element to Quebec's climate, showcasing nature's rhythm through its gentle yet vibrant winds.

Average August Wind Speed in Quebec

The chart displays monthly wind speed patterns in Quebec, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.13.83.43.03.12.82.5 m/s2.62.83.03.3
Data source: Quebec August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Quebec Compares to Other Months

The weather in Quebec changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Quebec and find detailed weather information for every month.

August and January present strikingly contrasting weather conditions. In August, temperatures range from a mild 7°C (45°F) at night to a warm 31°C (88°F) during the day, with an average of 19°C (67°F) and a humidity level of 81%. The month also sees considerable rainfall, with 119 mm (4.7 in) spread over 14 days. In stark contrast, January brings frigid temperatures, with lows plunging to -31°C (-23°F) and a maximum of only 10°C (50°F), averaging -10°C (15°F). This month experiences a bit less precipitation, totaling 91 mm (3.6 in) over 12 days, but with a higher humidity level of 95%. For more details on January weather, you can visit Quebec weather in January.

August and February present starkly contrasting weather conditions. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). This month typically experiences 119 mm (4.7 in) of precipitation across 14 days, accompanied by high humidity levels at 81%. In contrast, February is characterized by much colder temperatures, with a minimum of -25°C (-14°F) and a maximum of 8°C (46°F), averaging -8°C (17°F). Precipitation in February is slightly lower at 87 mm (3.4 in) spread over 13 days, and humidity is higher at 93%. For more detailed insights on February weather, visit Quebec weather in February.

When comparing the weather in August and March, it's clear that there is a significant contrast. August experiences a range of temperatures from a cool 7°C (45°F) at night to a warm 31°C (88°F) during the day, resulting in an average temperature of 19°C (67°F). With an average rainfall of 119 mm (4.7 in) over 14 days and humidity at 81%, August feels quite humid and warm.

In stark contrast, March is much colder, with temperatures plunging to a minimum of -25°C (-13°F) and only rising to a maximum of 15°C (59°F), averaging -4°C (26°F). Although it sees slightly less precipitation at 94 mm (3.7 in) over 10 days, the humidity is notably high at 90%. For more detailed insights, you can check out Quebec weather in March.

When comparing the weather in August and April, it's clear that the two months present quite contrasting climates. August boasts a much warmer average temperature of 19°C (67°F), with highs reaching up to 31°C (88°F), while April's average temperature is significantly lower at just 4°C (39°F), with a maximum of 20°C (69°F). Interestingly, both months experience similar levels of precipitation, with August receiving 119 mm (4.7 in) over 14 days and April slightly higher at 122 mm (4.8 in) across 13 days. Humidity levels are also elevated in both months, with August at 81% and April even higher at 87%. For a closer look at April's climate specifics, check out Quebec weather in April.

When comparing the weather in August to that in May, we see notable differences in both temperature and precipitation patterns. August tends to be warmer, with average temperatures around 19°C (67°F) and a maximum of 31°C (88°F), while May has a cooler average of 12°C (54°F) and can peak at 33°C (91°F). Rainfall is slightly higher in August, with 119 mm (4.7 in) compared to May's 99 mm (3.9 in), although both months experience precipitation on about 14 days. Humidity levels are also comparable, with August at 81% and May at 79%. For those looking to explore more about the weather trends in May, you can visit Quebec weather in May.

In comparing the weather between June and August, both months exhibit mild temperatures, but August generally experiences warmer conditions with average temperatures around 19°C (67°F) compared to June's 17°C (63°F). Additionally, while August can reach a high of 31°C (88°F), June's maximum temperature is slightly higher at 33°C (91°F). Precipitation levels are similar, with June recording 125 mm (4.9 in) and August at 119 mm (4.7 in), but August has slightly higher humidity at 81%, compared to June's 73%. For more detailed information on June weather, check out Quebec weather in June.

In comparing the weather of August and July, we see that both months experience similar humidity levels at 81%, making the air feel quite moist. August tends to be slightly cooler, with a minimum temperature of 7°C (45°F) and an average of 19°C (67°F), compared to July's minimum of 8°C (47°F) and average of 20°C (69°F). Additionally, August has a maximum temperature of 31°C (88°F), which is lower than July’s peak of 34°C (93°F). Rainfall is also a notable difference; August receives 119 mm (4.7 in) over 14 days, while July sees slightly less with 104 mm (4.1 in) over the same number of days. For more detailed information on July weather, check out Quebec weather in July.

August and September display notable differences in weather patterns. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F), accompanied by higher humidity levels at 81%. August also sees a significant amount of precipitation, totaling 119 mm (4.7 in) over approximately 14 days. In contrast, September experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 15°C (58°F), while still reaching a maximum of 30°C (86°F). The month receives less precipitation, with 93 mm (3.7 in) over about 10 days, yet it maintains the same humidity level. For more details, you can check Quebec weather in September.

August and October present quite contrasting weather conditions. In August, temperatures range from a pleasant minimum of 7°C (45°F) to a warm maximum of 31°C (88°F), with an average of 19°C (67°F). This month typically sees around 119 mm (4.7 inches) of precipitation over 14 days and maintains a humidity level of 81%. In stark contrast, October experiences significantly cooler temperatures, with a minimum dipping to -7°C (20°F) and an average of just 8°C (47°F), peaking at 22°C (72°F). The precipitation slightly increases to 134 mm (5.3 inches) over the same number of days, accompanied by a higher humidity level of 87%. For more detailed information on October weather, you can check Quebec weather in October.

August and November present strikingly contrasting weather conditions. In August, temperatures vary from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), creating a warm average of 19°C (67°F) under relatively humid conditions with 81% humidity. The month also sees considerable rainfall, with an average precipitation of 119 mm (4.7 in) over 14 days. In contrast, November experiences much colder conditions, with temperatures dropping to a minimum of -18°C (0°F) and an average hovering around 0°C (32°F), peaking at a maximum of 20°C (68°F). The humidity rises slightly to 89%, and precipitation increases to 132 mm (5.2 in) over 13 days. For more detailed insights, visit Quebec weather in November.

August and December present striking contrasts in weather. In August, temperatures range from a mild 7°C (45°F) to a warm 31°C (88°F), with an average around 19°C (67°F). The month experiences 119 mm (4.7 in) of precipitation spread over 14 days, accompanied by high humidity levels of 81%. In contrast, December brings frigid conditions, with temperatures plummeting from a chilling -26°C (-15°F) to a maximum of only 13°C (56°F), averaging -7°C (20°F). Precipitation is slightly lower at 105 mm (4.1 in) over 12 days, yet the humidity rises to 92%, creating a damp cold that feels even more severe. For more information on the specifics of the climate, check Quebec weather in December.

Compare Quebec's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Quebec

August in Quebec offers a unique blend of summer's warmth and the early hints of autumn. With maximum temperatures reaching a pleasant 31°C (88°F) and an average of 19°C (67°F), this month stands out for its balmy days, though the minima can dip to a cool 7°C (45°F) at night. Compared to other months, August is notably more humid, averaging 81%, which contributes to a lively atmosphere but also to occasional rain, with precipitation falling on about 14 days totaling 119 mm (4.7 in). As summer begins to wane, the transition in weather patterns provides a distinctive charm to this final month of vacation bliss. For more in-depth insights, explore Quebec Climate.