August Weather in Kelowna, Canada

Last updated: April 22, 2025

In August, Kelowna, Canada, offers a delightful warm climate perfect for summer activities. With maximum temperatures reaching 34°C (94°F) and an average of 19°C (66°F), the month promises plenty of sunshine. The evenings cool down to a refreshing 8°C (46°F), ideal for unwinding after a day of exploration. Although the city experiences 13 mm (0.5 in) of precipitation over 4 days, the humidity levels hover around 75%, adding a touch of mugginess to the summer air. Embrace the vibrant outdoors in this picturesque Okanagan Valley destination!

August Temperature in Kelowna

In August, Kelowna welcomes the peak of summer with delightful temperatures that invite outdoor adventures. The average temperature hovers around a pleasant 19°C (66°F), with daytime highs reaching up to 34°C (94°F), making it the perfect time for swimming in Okanagan Lake or hiking in the nearby mountains. Nights are mild, typically cooling down to about 8°C (46°F), providing a comfortable respite from the day's warmth. As the month progresses, these warm days transition smoothly into the cooler fall months, setting the stage for a gradual drop in temperature as autumn approaches. Overall, August in Kelowna embodies the essence of summer, featuring long sunny days and comfortable evenings that are ideal for enjoying the vibrant outdoor lifestyle.

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

The chart illustrates August temperature patterns in Kelowna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272534415157646657443730
Data source: Temperature data for Kelowna 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 Kelowna

In August, Kelowna experiences one of its driest months, with a mere 13 mm (0.5 in) of precipitation spread over only 4 days. This significant drop from the earlier summer months, particularly July's 23 mm (0.9 in), highlights a seasonal trend of decreasing rainfall as the region transitions from summer to fall. August's reduced precipitation serves as a precursor to the wetter months ahead, particularly September and October, which see a notable increase in rainfall, reflecting the shift from the dry heat of summer to the cooler, more humid conditions of autumn. This pattern underscores Kelowna's distinct seasonal climate, where summer's aridity gives way to the characteristic fall rains that rejuvenate the landscape.

August Precipitation Trends in Kelowna

The chart displays monthly precipitation patterns in Kelowna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6562606048422313628310492
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kelowna

In August, Kelowna experiences a noticeable dip in humidity, dropping to a comfortable 75%. This is part of a gradual trend seen throughout the summer months, where humidity levels begin to decline from the peak of 91% in February to a more pleasant level by late summer. Following the typical patterns of the dry season, August's humidity marks the beginning of a trend towards lower levels as the region transitions into autumn. Interestingly, as the season shifts towards the cooler months, humidity levels will again rise, peaking at 93% in December. This ebb and flow of humidity in Kelowna creates a vibrant climate, perfect for enjoying the stunning natural surroundings during the summer, while preparing for the cozy, moisture-rich winters.

August Average Humidity in Kelowna

This chart illustrates the average monthly humidity levels in Kelowna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%89%86%82%81%84%75%74%85%88%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Kelowna

In August, Kelowna experiences a high UV Index of 8, categorizing it as very high, which means sun protection is crucial during outdoor activities. This month marks a slight decrease from the peak UV levels of 9 seen in June and July, but the potential for skin damage remains significant, with a burn time of just 15 minutes under direct sunlight. As summer wanes, it's evident that the trend toward increased UV exposure peaks in mid-summer, reminding residents and visitors alike to prioritize sun safety. For more information on UV levels throughout the year, check out Kelowna UV Index.

Maximum UV Index Levels in Kelowna for August

The chart shows the monthly maximum UV Index (UVI) for Kelowna 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987421
Data source: Kelowna 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 Kelowna

In the beautiful city of Kelowna, Canada, August shines brightly with an impressive 352 hours of sunlight, continuing a robust trend established in the summer months. This peak in sunlight is a highlight of the year, following July, which boasts the highest at 391 hours, making the warm season truly radiant. As the seasons shift towards autumn, the sunlight begins to decline, with September seeing a notable drop to 257 hours. Yet, the warm, sun-drenched days of August leave a lasting impression, as outdoor activities and stunning landscapes beckon residents and visitors alike to bask in the golden rays before the cooler months take hold. Overall, Kelowna's summer months showcase a delightful pattern of sunlight that fuels the region's vibrant atmosphere and outdoor lifestyle.

Monthly Sunshine Duration in Kelowna: August Highlighted

The August sunshine duration represents the total number of hours Kelowna 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.
JanFebMarAprMayJunJulAugSepOctNovDec92h150h222h264h333h338h391h352h257h189h113h108h
Data source: Kelowna August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kelowna During August

In Kelowna, Canada, the likelihood of sunny weather in August is generally favorable, with a 47% chance of sun. While this figure represents a slight dip compared to the 81% of sunshine seen in July, it still offers a promising backdrop for summer activities. As we look through the year's progression, it's clear that early summer months like June and July boast the highest probabilities of clear skies, peaking dramatically before tapering off in August and into September. Overall, August’s sunshine potential maintains a robust status within the summer season, making it a delightful choice for outdoor pursuits despite the minor decrease in sunny days compared to the peak of summer.

Percentage of Sunny Days in August in Kelowna

The chart illustrates the percentage of sunny days in Kelowna 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 Kelowna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%27%34%51%46%52%81%47%33%33%21%17%
Data source: Kelowna August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kelowna in August

In August, Kelowna, Canada enjoys a delightful 14 hours of daylight, marking a gentle decline from the peak of summer experienced in July with its 15-hour days. This gradual decrease is part of a larger trend, as the region transitions from the long, sunlit days of summer to the shorter daylight hours of fall. Starting from January's modest 8 hours, the days lengthen steadily through the spring and summer months, culminating in June’s impressive 16 hours. As September approaches, daylight dips to 12 hours, signaling the turning of the seasons and the cozy, golden hues of autumn just around the corner. This rhythmic pattern not only highlights the beauty of seasonal change but also offers residents and visitors alike a chance to savor the abundant summer sunshine before it gradually fades.

Average Daylight Hours in Kelowna for August

The chart illustrates the variation in daylight duration in Kelowna throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 38m10h 7m11h 56m13h 49m15h 26m16h 15m15h 47m14h 20m12h 32m10h 40m9h 1m8h 9m
Data source: Kelowna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Kelowna

In August, the wind in Kelowna, Canada, remains pleasantly gentle, with an average speed of 1.7 m/s (4 mph), consistent with the trends observed over the summer months. This steady breeze provides a refreshing interlude during the warm days, inviting outdoor activities and leisurely afternoons by the lake. Interestingly, the figures for August align closely with both July and the preceding months, suggesting a climate that is characterized by stability and mildness. As summer transitions towards fall, the notion of gentle winds continues, making Kelowna a perfect retreat for those seeking a peaceful escape in the embrace of nature.

Average August Wind Speed in Kelowna

The chart displays monthly wind speed patterns in Kelowna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.91.91.91.71.81.71.7 m/s1.61.71.81.8
Data source: Kelowna August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Kelowna Compares to Other Months

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

August and January showcase striking contrasts in weather patterns. August typically sees a broad temperature range, with minimums of 8°C (46°F) and highs reaching up to 34°C (94°F), alongside relatively low precipitation of 13 mm (0.5 in) over just four days and a humidity level of 75%. In stark contrast, January presents a much harsher climate, with temperatures plummeting to a minimum of -26°C (-15°F) and averages around -3°C (27°F), peaking at only 7°C (44°F). January also experiences significantly higher precipitation at 65 mm (2.6 in) over 13 days and elevated humidity levels of 90%. For a more detailed look at the winter conditions, check out Kelowna weather in January.

August and February present striking contrasts in weather. August typically enjoys warmer temperatures, with an average of 19°C (66°F) and highs reaching up to 34°C (94°F), accompanied by relatively low precipitation of just 13 mm (0.5 in) over 4 days. In contrast, February experiences frigid conditions, where the average temperature drops to -4°C (25°F) with a maximum of only 9°C (48°F) and a significant increase in precipitation, totaling 62 mm (2.4 in) over 14 days. Additionally, February's humidity is notably higher at 91%, compared to August's 75%. For more details on February weather, you can visit Kelowna weather in February.

Comparing the weather in August and March reveals striking differences. August boasts warmer temperatures, with a minimum of 8°C (46°F), averaging 19°C (66°F), and reaching a maximum of 34°C (94°F), making it a comfortable month with relatively low precipitation of 13 mm (0.5 in) over just 4 days. In contrast, March presents a much colder climate, with temperatures ranging from a minimum of -24°C (-11°F) to a maximum of 18°C (64°F), averaging only 1°C (35°F) and experiencing significantly higher precipitation at 60 mm (2.3 in) across 13 days. Additionally, March has a higher humidity level of 89%, compared to August's 75%. For a more detailed look at March’s specifics, check the Kelowna weather in March.

When comparing the weather in August to that of April, notable differences emerge. August typically enjoys warmer temperatures, with averages around 19°C (66°F) and maximums reaching up to 34°C (94°F). In contrast, April's temperatures are significantly cooler, averaging just 5°C (42°F) and occasionally dipping to a minimum of -7°C (19°F). Additionally, while August experiences relatively low precipitation at 13 mm (0.5 in) over about 4 days, April sees much higher rainfall, amounting to 59 mm (2.3 in) over 13 days. Humidity levels also vary, with August being slightly less humid at 75% compared to April's 85%. For more details about April weather, visit Kelowna weather in April.

When comparing the weather in August and May, there are notable differences in temperature and precipitation. August typically enjoys warmer temperatures, with minimums around 8°C (46°F) and maximums reaching up to 34°C (94°F), averaging 19°C (66°F). In contrast, May starts cooler, recording minimums of -1°C (31°F) and maximums of 27°C (81°F), with an average temperature of only 11°C (51°F). Precipitation levels also vary significantly; May sees 48 mm (1.9 in) over about 9 days, while August is much drier, with only 13 mm (0.5 in) over 4 days. Humidity levels are slightly higher in May at 82% compared to August's 75%. For a detailed look at May's weather, you can visit Kelowna weather in May.

In comparing the weather of August and June, August tends to be warmer overall with an average temperature of 19°C (66°F) and a maximum of 34°C (94°F), while June has a cooler average temperature of 14°C (57°F), peaking at 39°C (102°F). Despite both months experiencing a reasonable level of humidity, June is slightly more humid at 81% compared to August's 75%. Precipitation is also significantly greater in June, with 42 mm (1.7 in) falling over 8 days, whereas August sees only 13 mm (0.5 in) over 4 days. For more details, you can check out Kelowna weather in June.

In comparing the weather of August and July, August tends to be slightly warmer, featuring a minimum temperature of 8°C (46°F) and an average of 19°C (66°F), while July has a minimum of 6°C (44°F) and an average of 18°C (64°F). Both months share the same maximum temperature of 34°C (94°F), but August experiences less rainfall with only 13 mm (0.5 in) of precipitation compared to July's 23 mm (0.9 in). Additionally, humidity levels are lower in August at 75%, whereas July sees a higher humidity of 84%. For more insights on July's weather specifics, you can check out Kelowna weather in July.

August typically showcases warmer weather with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 34°C (94°F), and an average of 19°C (66°F). With only 13 mm (0.5 in) of precipitation spread over 4 days, it remains relatively dry, maintaining a humidity level of 75%. In contrast, September marks a noticeable drop in temperatures, presenting a minimum of 2°C (37°F) and a maximum of 29°C (84°F), with an average temperature of 14°C (57°F). The month also brings significantly more rain, accumulating 62 mm (2.4 in) of precipitation over 11 days, while the humidity remains slightly lower at 74%. For more detailed information, you can check Kelowna weather in September.

August and October weather exhibit a stark contrast, highlighting the transition from summer to autumn. In August, temperatures range from a minimum of 8°C (46°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F) and relatively low precipitation at 13 mm (0.5 in) over just 4 days, accompanied by 75% humidity. In contrast, October sees a significant drop in temperature, with minimums plummeting to -9°C (16°F) and average highs of only 22°C (72°F), leading to an overall average of 7°C (45°F). The month is also much wetter, recording 82 mm (3.2 in) of precipitation over 14 days and higher humidity at 85%. For a detailed look at the weather conditions specific to October, you can check Kelowna weather in October.

In August, the weather is warm with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 34°C (94°F) and an average of 19°C (66°F). There is relatively low precipitation, with only 13 mm (0.5 in) over about 4 days, and humidity levels at 75%. In contrast, November brings a much colder climate, featuring temperatures that range from a frigid -12°C (10°F) to a maximum of 11°C (53°F), with an average of just 3°C (37°F). This month experiences significantly higher precipitation at 104 mm (4.1 in) over 17 days, along with increased humidity levels at 88%. For a more detailed look at the conditions, you can check Kelowna weather in November.

The weather in August features a wide temperature range, with a minimum of 8°C (46°F) and a maximum of 34°C (94°F), resulting in an average of 19°C (66°F). In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -25°C (-12°F) and peaking at a maximum of 12°C (54°F), leading to an average temperature of -1°C (30°F). Additionally, August sees relatively low precipitation at 13 mm (0.5 in) over just 4 days, while December is much wetter, with 92 mm (3.6 in) of precipitation occurring over 17 days. The humidity also rises in December to 93%, compared to August's 75%. For more detailed weather patterns, you can check Kelowna weather in December.

Compare Kelowna's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Kelowna

As summer reaches its peak in August, Kelowna transforms into a sun-drenched paradise, boasting warm temperatures that stand out from cooler months. With an average temperature of around 19°C (66°F) and maximum highs hitting 34°C (94°F), the air buzzes with vibrant energy. Unlike the wetter spring and fall seasons, August features minimal precipitation, with just four days of light rain totaling a mere 13 mm (0.5 in). The 75% humidity adds a tropical feel to the warmth, making it a perfect time for outdoor adventures and enjoying the stunning natural beauty. For a deeper understanding of the region's climate, visit Kelowna Climate.