August Weather in Kingston, Canada

Last updated: April 22, 2025

August in Kingston, Canada is characterized by warm temperatures and moderate humidity, making it a delightful summer month. With maximum highs reaching 30°C (86°F) and an average of 22°C (71°F), visitors can enjoy plenty of sunshine. However, evenings can cool down to a refreshing 12°C (55°F). This month sees approximately 98 mm (3.9 in) of rain falling over 12 days, creating a lush environment for outdoor activities. The humidity level of 67% adds a pleasant warmth, ideal for enjoying Kingston's beautiful waterfront and vibrant summer events.

August Temperature in Kingston

In August, Kingston, Canada, enjoys pleasantly warm temperatures, making it one of the most inviting months of the year. With minimums around 12°C (55°F) and average highs reaching 30°C (86°F), it’s a time for outdoor activities and enjoying the beautiful surroundings. The month’s average temperature settles comfortably at 22°C (71°F), striking a perfect balance for both locals and visitors. As the last burst of summer warmth, August transitions the city from the heat of July, which boasts higher max temps, to the cooler tones of autumn just around the corner. This month not only signifies the height of summer but also sets the stage for a gradual drop in temperatures in September, as Kingston shifts toward the cooler seasons ahead.

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

The chart illustrates August temperature patterns in Kingston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec232431435565727163523829
Data source: Temperature data for Kingston 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 Kingston

August in Kingston, Canada, sees an average precipitation of 98 mm (3.9 in), making it a relatively wet month, closely following the rainier July with 123 mm (4.8 in). With precipitation spread across 12 days, August maintains a consistent pattern seen throughout the summer months, characterized by regular showers that contribute to the region's lush greenery. This moderate rainfall is a precursor to the more substantial downpours that arrive in October, which typically experiences the highest precipitation of the year at 153 mm (6.0 in). Overall, August serves as a transitional period where lingering summer warmth meets the approaching autumn chill, reflected in its balanced precipitation levels.

August Precipitation Trends in Kingston

The chart displays monthly precipitation patterns in Kingston, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7577771279996123987515310693
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kingston

In August, Kingston, Canada experiences a notable shift in humidity, dropping to 67%, the lowest level of the year. This decline follows a gradual decrease from the humid summer months of June and July, which saw humidity levels at 68% and 69%, respectively. The trend indicates a gradual transition towards the cooler autumn months, as humidity begins to rise again in September to 72%. Such fluctuations reflect Kingston's distinct seasonal changes, where the sultry summer gives way to a refreshing fall, inviting residents and visitors alike to enjoy the crisp air and vibrant surroundings.

August Average Humidity in Kingston

This chart illustrates the average monthly humidity levels in Kingston, 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.
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 Kingston

In August, Kingston experiences a UV Index of 9, categorized as very high, which means that sunburn can occur in just 15 minutes of unprotected exposure. This peak in UV intensity is a continuation of the trend observed from April to July, where similar levels of UV radiation were recorded, making it crucial for residents and visitors alike to prioritize sun safety. As summer winds down, September will introduce a slight decrease, with a UV Index of 7. If you're planning outdoor activities during this sunny month, it’s essential to stay informed and take necessary precautions to protect your skin. For more details on UV levels throughout the year, check out the Kingston UV Index.

Maximum UV Index Levels in Kingston for August

The chart shows the monthly maximum UV Index (UVI) for Kingston 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.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Kingston 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 Kingston

In August, Kingston, Canada basks in the warmth of summer with 330 hours of sunshine, making it one of the sunniest months of the year. This follows a peak in July, where residents enjoyed 343 hours of radiant sunlight, highlighting a vibrant stretch of summer. As the summer days gradually shorten into September, sunshine hours notably decrease to 288 hours, yet still reflect a generous offering compared to winter months. The overall trend from January through August demonstrates a steady increase in daylight, peaking mid-summer before gently tapering off into the fall. This rhythmic cycle not only enriches Kingston's scenic beauty but also invigorates outdoor activities, leaving residents eager to soak up the summer sun before the cooler months arrive.

Monthly Sunshine Duration in Kingston: August Highlighted

The August sunshine duration represents the total number of hours Kingston 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.
JanFebMarAprMayJunJulAugSepOctNovDec118h153h231h231h283h324h343h330h288h202h157h127h
Data source: Kingston August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kingston During August

In Kingston, Canada, the likelihood of enjoying sunny weather in August is relatively promising, with a 44% chance of sunshine that month. This figure stands out as a peak within the summer months, slightly higher than the 39% chance recorded in both July and June. Throughout the year, the chances of sun fluctuate, typically rising in the spring and summer before tapering off as autumn approaches. With August being a transitional time, it offers one of the best opportunities to bask in the sun, outclassed only by the 49% likelihood in March. Overall, while Kingston's weather can be unpredictable, August presents an inviting prospect for those seeking sun-soaked days.

Percentage of Sunny Days in August in Kingston

The chart illustrates the percentage of sunny days in Kingston 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 Kingston experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%29%49%35%45%39%39%44%42%33%44%26%
Data source: Kingston August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kingston in August

As August rolls into Kingston, Canada, the daylight begins to wane slightly, offering about 13 hours of sun each day. This marks a gentle decline following the peak brightness of summer in June and July, which both boasted a generous 15 hours of daylight. The steady increase from the 9 hours in January to the 14 hours in May showcases the gradual transition from winter’s darkness to summer’s embrace. However, as summer gives way to fall, daylight hours continue to decrease, hinting at the shorter days ahead. This rhythm of light and dark shapes the experience of seasons in Kingston, inviting both reflection and anticipation for the cozy months ahead.

Average Daylight Hours in Kingston for August

The chart illustrates the variation in daylight duration in Kingston throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 17m10h 28m11h 57m13h 29m14h 47m15h 26m15h 5m13h 55m12h 27m10h 55m9h 35m8h 54m
Data source: Kingston daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kingston

In August, Kingston experiences its calmest winds of the year, with an average speed dipping to 2.7 m/s (6 mph). This gentle breeze wraps the city in a warm embrace, contrasting with the stronger gusts of winter and early spring, where winds can reach upwards of 4.3 m/s (10 mph) in December. While January to July typically sees higher wind speeds, August's tranquility heralds the final days of summer, providing a serene backdrop for outdoor activities and leisure. As the season shifts into September, the winds pick up again, reflecting the dynamic nature of Kingston's climate and the transition from the languid heat of summer to the invigorating coolness of autumn.

Average August Wind Speed in Kingston

The chart displays monthly wind speed patterns in Kingston, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.74.13.33.23.72.92.7 m/s3.63.53.74.3
Data source: Kingston August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kingston Compares to Other Months

The weather in Kingston 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 Kingston and find detailed weather information for every month.

In August, the weather is warm and inviting, with temperatures ranging from a mild 12°C (55°F) to a balmy 30°C (86°F) and an average of 22°C (71°F). Although it experiences some rain, with 98 mm (3.9 in) falling over 12 days, the overall humidity is a comfortable 67%. In contrast, January brings a stark chill, with temperatures plunging to a minimum of -25°C (-13°F) and averaging around -5°C (23°F), peaking at just 9°C (48°F). While it is less rainy, with 75 mm (3.0 in) over 10 days, the humidity soars to 93%. For more detailed information, you can check Kingston weather in January.

August and February present a stark contrast in weather conditions. In August, temperatures typically range from a refreshing 12°C (55°F) at night to a warm 30°C (86°F) during the day, with an average temperature of 22°C (71°F). The month experiences approximately 98 mm (3.9 in) of precipitation over 12 days, combined with a relative humidity of 67%, making it a warm and moderately humid time of year.

In contrast, February brings frigid temperatures, with highs reaching only 10°C (50°F) while the lows can plunge to a bone-chilling -23°C (-8°F), averaging around -4°C (25°F). It sees slightly less precipitation at 77 mm (3.0 in), again over 12 days, but with a much higher humidity level of 93%, contributing to an even colder feel. For more details, you can explore the specifics of the month: Kingston weather in February.

August and March offer a stark contrast in weather conditions. In August, temperatures typically range from a mild 12°C (55°F) to a warm 30°C (86°F), with an average of 22°C (71°F). This month also experiences significant rainfall, with about 98 mm (3.9 in) over 12 days and a humidity level of 67%. In comparison, March is much colder, with temperatures ranging from a frigid -18°C (1°F) to a maximum of 17°C (62°F), and an average temperature of -1°C (31°F). Precipitation is slightly lower, averaging 77 mm (3.0 in) over 9 days, and the humidity is higher at 86%. For more details, you can check out Kingston weather in March.

In comparing the weather of August and April, one can notice significant differences. August boasts a warm average temperature of 22°C (71°F) with highs reaching up to 30°C (86°F), while April has a much cooler average of 6°C (43°F) and can drop to a chilly -6°C (21°F) at night. Precipitation levels in April are slightly higher at 127 mm (5.0 in) compared to August's 98 mm (3.9 in), though both months see rain on about 12 days. Additionally, April experiences higher humidity at 82%, compared to August's 67%. These contrasting weather patterns highlight the transition from the chill of early spring to the warmth of summer. For more details, you can check Kingston weather in April.

When comparing the weather in August and May, significant differences in temperature and humidity become apparent. August enjoys a milder climate with average temperatures ranging from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), making it much warmer than May, which has temperatures peaking at 27°C (80°F) but starting as low as -1°C (31°F). Both months experience similar levels of precipitation, averaging around 99 mm (3.9 in) over approximately 12 days, though May's humidity is slightly higher at 75% compared to August's 67%. For a closer look at what to expect during May, you can check Kingston weather in May.

When comparing the weather in August and June, we can see a notable difference in temperatures and precipitation. August generally enjoys warmer temperatures, with averages soaring to 22°C (71°F) and maximums reaching up to 30°C (86°F). In contrast, June presents a cooler climate, with temperatures averaging 18°C (65°F) and a maximum of 28°C (83°F). Precipitation levels are relatively similar, with August receiving 98 mm of rain over 12 days, while June experiences slightly less at 96 mm over 11 days. Both months have high humidity levels, hovering around 67% in August and 68% in June. For more insights into June's climate, you can explore Kingston weather in June.

In comparing the weather between July and August, we see a slight decrease in temperatures as August records a minimum of 12°C and a maximum of 30°C, while July's temperatures range from a minimum of 14°C to a maximum of 31°C. Both months have an average temperature of around 22°C (72°F), but August experiences a bit less humidity at 67%, compared to July's 69%. While July had more precipitation at 123 mm over 12 days, August's total of 98 mm, also over 12 days, indicates a drier month overall. For more detailed insights, you can check Kingston weather in July.

August typically showcases warmer weather, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 30°C (86°F) and an average of 22°C (71°F). This month also experiences higher precipitation levels of 98 mm (3.9 in) over 12 days, contributing to a humidity level of 67%. In contrast, September brings cooler temperatures, with a minimum of 4°C (40°F), an average of 17°C (64°F), and a maximum of 29°C (84°F). While precipitation decreases to 75 mm (3.0 in) over 9 days, humidity slightly rises to 72%. For more detailed information, you can visit Kingston weather in September.

August typically enjoys milder weather with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), averaging around 22°C (71°F). It experiences moderate precipitation of 98 mm (3.9 in) over about 12 days, accompanied by a humidity level of 67%. In contrast, October brings a significant drop in temperatures, with minimums plummeting to -1°C (31°F) and averages around 11°C (53°F). The maximum temperature peaks at 22°C (72°F), but as the month progresses, it becomes much cooler. Additionally, October sees increased rainfall, totaling 153 mm (6.0 in) over approximately 14 days, and higher humidity at 83%. For more detailed information, check Kingston weather in October.

In August, the weather is warm and humid, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), and an average of 22°C (71°F). This month sees about 98 mm (3.9 in) of precipitation over 12 days, making it a relatively wet summer month with a humidity level of 67%. In stark contrast, November brings a significant drop in temperature, with lows plunging to -13°C (9°F) and an average of just 4°C (39°F). Despite a slightly higher total precipitation of 106 mm (4.2 in) over 13 days, the increased humidity at 88% adds a distinct chill to the air. For more details on what to expect, check out Kingston weather in November.

August and December present stark contrasts in weather. In August, temperatures range from a mild 12°C (55°F) at night to a warm 30°C (86°F) during the day, with an average of 22°C (71°F). Humidity sits at a comfortable 67%, and the month experiences around 98 mm (3.9 in) of precipitation over 12 days. Conversely, December brings a dramatic chill, with temperatures plummeting to a minimum of -26°C (-14°F) and only reaching a maximum of 13°C (56°F); the average hovers around -2°C (29°F). This winter month also sees high humidity at 89% and similar precipitation levels of 93 mm (3.7 in) over 11 days. For more details, check out Kingston weather in December.

Compare Kingston's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kingston

As summer reaches its peak, August brings a delightful warmth to Kingston, with temperatures averaging a comfortable 22°C (71°F). Unlike the cooler months of spring and fall, August typically basks in more sunshine, though it does see a few rainy days with around 98 mm of precipitation. The increased humidity at 67% adds a touch of tropical feel to the air. For anyone considering a visit, this month stands out as a vibrant time, overflowing with opportunities for outdoor adventures. To learn more about the weather across the seasons, explore Kingston Climate.