August Weather in Penticton, Canada

Last updated: April 22, 2025

In Penticton, Canada, August unfolds with warm and inviting weather perfect for summer adventures. The maximum temperature soars to a sizzling 34°C (94°F), while the average hovers around a comfortable 19°C (66°F). As the days progress, night temperatures dip to a cool 5°C (42°F), providing a refreshing contrast. With just 13 mm (0.5 in) of precipitation spread over 3 days, August remains mostly dry, although humidity levels can reach up to 75%, creating a pleasant, albeit sometimes muggy, atmosphere. This combination of warmth and sporadic rainfall ensures that Penticton is a vibrant backdrop for outdoor activities and exploration throughout the month.

August Temperature in Penticton

In Penticton, Canada, August brings a delightful warmth with temperatures that range from a comfortable minimum of 5°C (42°F) to a sizzling maximum of 34°C (94°F). The average temperature hovers around 19°C (66°F), showcasing a significant shift from the chilly winter months. This gradual rise in temperature, beginning in the early spring and peaking in summer, illustrates the region's transition into a vibrant season, making August an ideal time for outdoor activities and enjoying the stunning natural beauty. With these inviting temperatures, Penticton is alive with summer adventures, offering residents and visitors alike the perfect backdrop for enjoying the great outdoors.

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

The chart illustrates August temperature patterns in Penticton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272535425359666656433528
Data source: Temperature data for Penticton 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 Penticton

August in Penticton, Canada, marks a notable shift in the precipitation landscape, with only 13 mm (0.5 in) of rainfall recorded over a mere 3 days. This is the driest month of the year, following July's minimal 17 mm (0.7 in). As summer peaks, the region experiences a significant dip in moisture compared to earlier months, which often see more consistent rain—especially the spring months like April (63 mm) and May (48 mm). The general trend highlights a clear transition towards drier, sunnier days, making August a popular time for outdoor activities, while setting the stage for the wetter months of autumn that follow.

August Precipitation Trends in Penticton

The chart displays monthly precipitation patterns in Penticton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec686872634840171350749389
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Penticton

In Penticton, Canada, August marks a notable shift in humidity levels, dropping to a comfortable 75%. This decrease represents a trend of diminishing humidity as the summer transitions into fall, following higher readings in previous months, with July peaking at 84%. The summer months, generally characterized by higher humidity, begin to cool off in August, paving the way for a drier September, which sees a slight dip to 74%. Overall, the gradual decline in humidity from spring through summer provides respite for residents and visitors alike, making August an ideal time to enjoy the beautiful outdoor scenery and fresh air that Penticton has to offer.

August Average Humidity in Penticton

This chart illustrates the average monthly humidity levels in Penticton, 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 Penticton

In August, Penticton, Canada, experiences a notable UV Index of 8, indicating very high exposure levels that suggest caution for outdoor activities. This slight dip from July's peak of 9 still signifies that skin can burn quickly, with an estimated burn time of just 15 minutes. Observing the trend, the summer months show an increasing intensity in UV exposure, starting from a mild 2 in January and soaring to 8 in August, with a consistent pattern of very high ratings in June and July. As autumn approaches, the index begins to decline, reminding residents and visitors to stay vigilant about sun safety during this vibrant summer month. For more insights into UV levels throughout the year, visit Penticton UV Index.

Maximum UV Index Levels in Penticton for August

The chart shows the monthly maximum UV Index (UVI) for Penticton 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789987421
Data source: Penticton 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 Penticton

August in Penticton, Canada, is a sun-soaked delight, boasting 358 hours of sunshine that perfectly encapsulates the height of summer. This month continues the trend of long, bright days set by July, which shines with an impressive 397 hours, making it the sunniest month of the year. As the summer ebbs into autumn, August maintains a substantial amount of sunlight, contrasting sharply with the 94 hours of January. The gradual decrease in sunshine hours as fall approaches is evident; September sees a notable drop to 265 hours. However, the residual warmth and light of August linger, offering a vibrant backdrop for outdoor adventures and relaxation before the cooler months set in.

Monthly Sunshine Duration in Penticton: August Highlighted

The August sunshine duration represents the total number of hours Penticton 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h155h227h269h335h347h397h358h265h199h123h114h
Data source: Penticton August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Penticton During August

In Penticton, Canada, the likelihood of sunny weather in August is notably balanced, with a 50% chance of sunshine. This aligns with a trend seen throughout the summer months, especially following the dramatic peak in July, where residents and visitors enjoy an impressive 81% probability of sunny skies. Although August's chances dip compared to July, they still maintain a robust likelihood of pleasant weather, perfect for outdoor activities and events. As summer transitions into fall, the chances of sun decline gradually, with September falling to 37%. Thus, while August may not boast the peak sunshine of July, its favorable conditions make it a delightful time to soak up the sun in Penticton.

Percentage of Sunny Days in August in Penticton

The chart illustrates the percentage of sunny days in Penticton 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 Penticton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%35%50%47%54%81%50%37%35%19%19%
Data source: Penticton August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Penticton in August

In Penticton, Canada, August marks a delightful transition as daylight begins to wane from the summer peak. With approximately 14 hours of sunlight, it still offers long, radiant days perfect for outdoor adventures. This month showcases a gradual decrease in daylight following July’s peak of 15 hours, hinting at the approach of fall. As the year progresses, we observe a consistent trend where daylight durations start at their most generous in the summer months, followed by a slow tapering off as autumn sets in. Such patterns not only affect daily life but also highlight the beauty of nature's cycles, inviting residents and visitors alike to savor the sun-soaked days of late summer before the shorter days of September usher in a new season.

Average Daylight Hours in Penticton for August

The chart illustrates the variation in daylight duration in Penticton throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 41m10h 8m11h 56m13h 47m15h 22m16h 11m15h 44m14h 18m12h 31m10h 41m9h 3m8h 12m
Data source: Penticton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Penticton

In August, Penticton experiences its calmest winds of the year, with an average speed of just 1.6 m/s (4 mph). This slight dip continues the trend observed throughout the summer months, where gentle breezes create a serene atmosphere ideal for leisurely outdoor activities. As the seasons transition into fall, wind speeds gradually increase again, reaching 1.7 m/s (4 mph) by September. Overall, while August may bring the most tranquil conditions, it seamlessly fits into the broader pattern of mild winds that characterize Penticton's year, making it a perfect time for enjoying the stunning landscape without the disturbance of strong gusts.

Average August Wind Speed in Penticton

The chart displays monthly wind speed patterns in Penticton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.92.01.81.81.71.71.6 m/s1.71.92.12.0
Data source: Penticton August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Penticton Compares to Other Months

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

The weather in August is marked by significantly warmer temperatures, with a minimum of 5°C (42°F), an average of 19°C (66°F), and a maximum reaching up to 34°C (94°F). In contrast, January experiences much colder conditions, with temperatures plummeting to a minimum of -23°C (-9°F), averaging -3°C (27°F), and peaking at only 6°C (42°F). Precipitation levels also differ greatly between the two months; August sees just 13 mm (0.5 in) over three days, while January records about 68 mm (2.7 in) spread across 14 days, contributing to higher humidity levels of 90%. For more detailed information, you can check out the Penticton weather in January.

August and February showcase starkly different weather patterns. In August, temperatures can soar to a maximum of 34°C (94°F), with an average of 19°C (66°F), making it a warm month characterized by low precipitation—only 13 mm across 3 days and a humidity level of 75%. In contrast, February presents a chilly landscape, where temperatures plummet to a minimum of -24°C (-11°F) and average around -4°C (25°F), with a maximum of only 10°C (50°F). The month is significantly wetter, receiving 67 mm of precipitation over 15 days, accompanied by a higher humidity of 91%. For a detailed look at February's atmospheric conditions, check out Penticton weather in February.

The weather in August in Penticton is notably warmer and drier compared to March. With average temperatures hovering around 19°C (66°F) and maximums reaching up to 34°C (94°F), August allows for enjoyable outdoor activities under the sun, accompanied by only 13 mm of precipitation over three days. In contrast, March is much cooler, with average temperatures of just 2°C (35°F) and a maximum of 17°C (63°F). It also sees a significantly higher precipitation level of 72 mm (2.8 in) spread over 14 days, creating a more humid atmosphere at 89%. For more details on the March climate, you can visit Penticton weather in March.

August and April present contrasting weather conditions in Penticton. In August, temperatures range from a minimum of 5°C (42°F) to a maximum of 34°C (94°F), with a comfortable average of 19°C (66°F) and only 13 mm (0.5 in) of precipitation over just 3 days. On the other hand, April experiences much cooler temperatures, with a minimum of -7°C (19°F) and a maximum of 23°C (73°F), an average of 6°C (43°F), and significantly more rainfall at 63 mm (2.5 in) over 13 days. Additionally, April tends to have higher humidity at 85%, compared to August’s 75%. For a closer look at what to expect, you can check Penticton weather in April.

When comparing the weather in August to that in May, distinct differences emerge. August generally boasts warmer temperatures, with a minimum of 5°C (42°F), an average of 19°C (66°F), and a maximum of 34°C (94°F). In contrast, May has cooler temperatures, starting as low as 0°C (32°F), averaging 12°C (53°F), and peaking at 27°C (80°F). Additionally, May experiences significantly more precipitation, with 48 mm (1.9 in) over about 7 days, compared to a drier August with only 13 mm (0.5 in) on about 3 days. Humidity levels are also slightly higher in May at 82%, compared to 75% in August. For a deeper look at the specifics of May's weather, you can check out Penticton weather in May.

In comparing the weather between August and June, August tends to be warmer with average temperatures around 19°C (66°F), peaking at a maximum of 34°C (94°F), while June has a cooler average of 15°C (59°F) and can reach temperatures as high as 40°C (103°F). However, June experiences significantly more precipitation, with 40 mm (1.6 in) over about 7 days, compared to the drier conditions in August, which sees only 13 mm (0.5 in) spread over 3 days. Additionally, humidity levels are slightly lower in August at 75%, compared to 81% in June, contributing to a more comfortable feel during the late summer month. For more detailed climate insights, you can check Penticton weather in June.

In comparing the weather of August and July, we find that August features slightly cooler temperatures, with a minimum of 5°C (42°F), an average of 19°C (66°F), and a maximum of 34°C (94°F). In contrast, July presents a broader temperature range, with a minimum of 6°C (43°F), an average of 19°C (66°F), and a peak reaching 40°C (104°F). While both months experience minimal precipitation, August records 13 mm (0.5 in) of rainfall over 3 days, slightly less than July's 17 mm (0.7 in) over the same number of days. Additionally, humidity levels are higher in July at 84%, compared to August's 75%. For those interested in a detailed overview, more information can be found here: Penticton weather in July.

August generally offers warmer weather compared to September, with average temperatures around 19°C (66°F) peaking at 34°C (94°F). In contrast, September sees a significant drop in temperature, with an average of 14°C (57°F) and maximums reaching 31°C (87°F). While August experiences minimal rainfall, accumulating just 13 mm (0.5 in) over 3 days, September is much wetter, with total precipitation of 50 mm (2.0 in) across 9 days. Humidity levels remain relatively similar, slightly decreasing from 75% in August to 74% in September. For more detailed information on September weather, you can visit Penticton weather in September.

August and October present strikingly different weather patterns. In August, temperatures can range from a mild 19°C (66°F) to a hot 34°C (94°F), with relatively low precipitation of just 13 mm (0.5 in) over three days and a humidity level of 75%. In contrast, October experiences a much cooler average of 6°C (43°F), with temperatures dipping as low as -11°C (12°F) and peaking at 22°C (72°F). The month sees significant rainfall, totaling 74 mm (2.9 in) over 13 days, coupled with higher humidity at 85%. To explore more about the specific weather conditions in October, you can visit Penticton weather in October.

August and November present starkly contrasting weather patterns. In August, temperatures range from a mild 5°C (42°F) at night to a warm peak of 34°C (94°F) during the day, with an average of 19°C (66°F) and relatively low precipitation of just 13 mm (0.5 in) over about 3 days, resulting in a humidity level of 75%. In contrast, November brings much chillier conditions with temperatures dipping as low as -12°C (11°F) and averaging only 2°C (35°F). This month sees significantly higher precipitation, totaling 93 mm (3.7 in) over approximately 17 days, coupled with a higher humidity level of 88%. For a closer look at what to expect, check out the detailed overview here: Penticton weather in November.

August and December present strikingly contrasting weather conditions. In August, temperatures range from a mild 5°C (42°F) at night to a scorching 34°C (94°F) during the day, with an average of 19°C (66°F). The month experiences relatively low precipitation of 13 mm (0.5 in) over just three days and a humidity level of 75%. Conversely, December brings much colder temperatures, with nighttime lows plunging to -26°C (-14°F) and daytime highs reaching a maximum of 13°C (55°F), averaging around -2°C (28°F). Additionally, December is characterized by significant precipitation of 89 mm (3.5 in) spread over 16 days, coupled with higher humidity levels at 93%. For a more detailed look at the weather in December, check out Penticton weather in December.

Compare Penticton's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Penticton

August in Penticton presents a sizzling finale to summer, with temperatures often peaking at a maximum of 34°C (94°F) and a comfortable average of 19°C (66°F). Unlike the cooler, more unpredictable weather of spring and early summer, August boasts minimal precipitation, with only about three days of rain totaling 13 mm (0.5 in). This month also brings a notable humidity level of 75%, adding a touch of warmth to the sunny days. As summer gives way to fall, August stands out as a time for outdoor activities under the long, bright days. Discover more about the overall climatic tendencies in this beautiful region by visiting Penticton Climate.