August Weather in Squamish, Canada

Last updated: April 22, 2025

In Squamish, Canada, August weather offers a delightful blend of warmth and moisture. With maximum temperatures reaching 30°C (86°F) and a pleasant average of 15°C (59°F), the month invites outdoor enthusiasts to explore its stunning landscapes. However, the temperature can dip to a chilly 6°C (43°F) during cooler nights. While the region experiences an average precipitation of 82 mm (3.2 in) over about 10 days, the high humidity level of 77% lends an invigorating freshness to the air. Whether basking in the sun or enjoying the lush, green surroundings post-rain, August in Squamish is truly a season of contrasts and natural beauty.

August Temperature in Squamish

In August, Squamish, Canada, enjoys a delightful transition into summer, with temperatures presenting a warm embrace. The month starts with a minimum temperature of 6°C (43°F) and peaks at a maximum of 30°C (86°F), creating an inviting atmosphere for outdoor adventures. The average temperature hovers around 15°C (59°F), making it one of the warmest months of the year, a notable contrast from the earlier winter months that saw chilling lows. This warm climate not only enhances the scenic beauty of the area but also encourages a vibrant outdoor lifestyle, from hiking to water sports, as locals and visitors alike take full advantage of the summer's peak warmth.

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

The chart illustrates August temperature patterns in Squamish, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec302733374652575952413529
Data source: Temperature data for Squamish 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 Squamish

In August, Squamish experiences a notable shift in its precipitation patterns, receiving 82 mm (3.2 in) of rain over just 10 days. This marks a slight increase from July but remains considerably lower than the wettest months that follow. With summer in full swing, the region enjoys relatively drier conditions, allowing locals and visitors to savor the outdoors before the arrival of the more intense rainfall characteristic of autumn. Notably, the reduction in rainy days during August signifies a brief reprieve from Squamish’s overall trend of higher precipitation, highlighting the contrast between the lingering summer warmth and the impending shift towards the wetter months ahead.

August Precipitation Trends in Squamish

The chart displays monthly precipitation patterns in Squamish, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3792112541991131258082242329465374
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Squamish

In August, Squamish, Canada, experiences a noticeable decline in humidity, dropping to 77%, the lowest point of the year. This marks a shift from the consistently high levels seen in the earlier months, where humidity hovered around 86% from January to April. As summer progresses, humidity remains moderately high in June and July, but August signals a transition towards drier conditions, paving the way for the onset of fall. Interestingly, humidity rises again in the following months, peaking at 88% in October, demonstrating the region's characteristic seasonal fluctuations. This trend highlights Squamish's unique climate, where summer offers a brief respite before the lush, moisture-laden months return.

August Average Humidity in Squamish

This chart illustrates the average monthly humidity levels in Squamish, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Squamish

In August, Squamish experiences a UV Index of 8, categorizing it as very high exposure. This reflects a slight decline from the peak UV levels of July, which also rated at 9, but sun safety remains paramount with a burn time of just 15 minutes. The upward trend in UV intensity starts in the spring, building to its peak in the summer months, highlighting the importance of protective measures against solar radiation. As summer wanes into September, the index will gradually decrease, returning to more manageable levels. For more detailed information, visit Squamish UV Index.

Maximum UV Index Levels in Squamish for August

The chart shows the monthly maximum UV Index (UVI) for Squamish 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987521
Data source: Squamish 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 Squamish

August in Squamish, Canada, is a month that beautifully bridges the vibrant summer and serene fall, basking in a generous 336 hours of sunlight. This year, August continues the trend of abundant sunshine that peaks in July with 373 hours, before gently tapering off as autumn approaches. Following the seasonal pattern, the sun-drenched days of May and June, with 314 and 316 hours respectively, set the stage for a dazzling summer, making Squamish a haven for outdoor enthusiasts. As September rolls in with 232 hours of sunlight, it signals a gradual transition, yet the lingering warmth of August serves as a perfect backdrop for enjoying the spectacular landscapes and adventures this stunning region has to offer.

Monthly Sunshine Duration in Squamish: August Highlighted

The August sunshine duration represents the total number of hours Squamish 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.
JanFebMarAprMayJunJulAugSepOctNovDec72h131h190h225h314h316h373h336h232h162h106h87h
Data source: Squamish August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Squamish During August

In Squamish, Canada, the likelihood of sunny weather in August presents a mix of expectations for outdoor enthusiasts. With a 35% chance of sunshine, August sits slightly lower than the peak of 55% in July, indicating that while many days can still be enjoyed under clear skies, the summer warmth is beginning to wane. This dip aligns with the overall trend as the season transitions into autumn, where the chances of sunshine decrease significantly in the subsequent months. Thus, while August offers ample opportunities for adventures, it's wise to be prepared for occasional clouds that hint at summer's gentle farewell.

Percentage of Sunny Days in August in Squamish

The chart illustrates the percentage of sunny days in Squamish 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 Squamish experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%20%19%49%32%43%55%35%20%16%10%19%
Data source: Squamish August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Squamish in August

In August, Squamish enjoys a delightful 14 hours of daylight, marking a gradual decline from the 16 hours of bright sunshine in June and 15 hours in July. This seasonal shift reflects the transition from summer to early fall, where the length of the days is still ample for outdoor adventures and exploration. As autumn approaches, daylight hours continue to wane, dropping to 12 hours in September and further diminishing as the year progresses. This pattern highlights the natural ebb and flow of daylight throughout the year, allowing residents and visitors alike to savor the vibrant summer moments while preparing for the cozy evenings of fall.

Average Daylight Hours in Squamish for August

The chart illustrates the variation in daylight duration in Squamish throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 39m10h 7m11h 56m13h 48m15h 24m16h 13m15h 46m14h 19m12h 31m10h 41m9h 2m8h 10m
Data source: Squamish daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Squamish

In Squamish, Canada, the August wind maintains a gentle consistency with an average speed of 1.2 m/s (3 mph), echoing a trend observed throughout the summer months. From January to July, wind speeds hover around this modest figure, providing a calm backdrop for outdoor enthusiasts. As the year progresses, a gradual increase is noted, culminating in a slight uptick by December when winds reach 1.5 m/s (3 mph). This subtle rise in wind speed towards the year's end contrasts with the overall steady breeziness experienced during the warmer months, hinting at a dynamic yet serene climate that characterizes Squamish's seasonal rhythm.

Average August Wind Speed in Squamish

The chart displays monthly wind speed patterns in Squamish, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.31.21.21.21.21.21.2 m/s1.21.31.41.5
Data source: Squamish August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Squamish Compares to Other Months

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

In August, temperatures in Squamish range from a minimum of 6°C (43°F) to a maximum of 30°C (86°F), with an average of 15°C (59°F). The month sees a moderate amount of precipitation, totaling 82 mm (3.2 in) over about 10 days, while humidity averages 77%. In stark contrast, January experiences much colder temperatures, with a minimum of -18°C (0°F) and a maximum of just 6°C (43°F), resulting in an overall average of -1°C (30°F). Precipitation significantly increases to 379 mm (14.9 in) over approximately 17 days, accompanied by higher humidity levels at 86%. This dramatic shift in weather highlights the stark seasonal differences in Squamish, making it essential for visitors to prepare accordingly. For more details on January's weather, check out Squamish weather in January.

August and February present strikingly contrasting weather conditions. In August, temperatures range from a mild 6°C (43°F) at night to a warm 30°C (86°F) during the day, with average humidity at 77% and 82 mm of precipitation over about 10 days. Conversely, February experiences frigid temperatures, dipping as low as -17°C (2°F) and peaking at only 7°C (44°F). This month sees considerably more precipitation, totaling 211 mm (8.3 in) across approximately 19 days, with humidity slightly higher at 85%. For more details on February weather, check out Squamish weather in February.

When comparing the weather in August and March, there is a stark contrast in temperatures and precipitation levels. In August, the temperatures range from a minimum of 6°C (43°F) to a maximum of 30°C (86°F), with an average of 15°C (59°F), providing a warm and generally pleasant climate. However, August experiences 82 mm (3.2 inches) of rainfall over about 10 days, accompanied by a humidity level of 77%. In contrast, March is much colder, with temperatures fluctuating from a minimum of -12°C (11°F) to a maximum of 15°C (60°F), and an average temperature of 0°C (33°F). Additionally, March is characterized by heavier precipitation, totaling 254 mm (10.0 inches) over 18 days, and higher humidity at 86%. For a more detailed overview of the conditions in March, you can visit Squamish weather in March.

When comparing the weather in August and April, notable differences emerge in temperature and precipitation patterns. August typically boasts warmer temperatures, with minimums of 6°C (43°F) and maximums reaching up to 30°C (86°F), resulting in a comfortable average of 15°C (59°F). In contrast, April experiences cooler conditions, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 20°C (68°F), averaging just 3°C (37°F). Additionally, April tends to receive significantly more precipitation, totaling 199 mm (7.8 in) over 17 days, compared to August's 82 mm (3.2 in) across 10 days. Humidity levels are also higher in April at 86%, compared to 77% in August. For more detailed insights, you can check the Squamish weather in April.

When comparing the weather between August and May, significant differences can be observed in temperature and precipitation patterns. August typically offers warmer temperatures, with a minimum of 6°C (43°F), an average of 15°C (59°F), and a maximum reaching 30°C (86°F). In contrast, May experiences cooler temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 23°C (73°F), with an average of 8°C (46°F).

In terms of precipitation, May sees slightly more rainfall, totaling 113 mm (4.4 in) over 13 days, compared to August's 82 mm (3.2 in) over 10 days. Humidity levels are also relatively high in both months, with August at 77% and May slightly higher at 81%. For more detailed information, you can visit Squamish weather in May.

In comparing the weather of August and June, August generally experiences warmer temperatures, with a minimum of 6°C and an average of 15°C, compared to June's minimum of 2°C and an average of 11°C. However, June can reach higher maximum temperatures of up to 35°C, while August peaks at 30°C. Precipitation in June is more pronounced, with 125 mm over 17 days, compared to August’s 82 mm over 10 days. Despite the slightly lower humidity in August at 77%, both months remain relatively humid, with June at 83%. For more detailed information, you can visit Squamish weather in June.

In comparing the weather of August and July, August tends to be slightly warmer, with average temperatures reaching 15°C (59°F) compared to July's 14°C (58°F). Both months experience similar maximum temperatures, but August peaks at 30°C (86°F), while July's high is 28°C (82°F). Precipitation levels are fairly close, with August receiving 82 mm (3.2 in) over 10 days, just a bit more than July's 80 mm (3.1 in) over 11 days. Humidity in August averages 77%, which is somewhat lower than the 84% average seen in July. For more details, you can check Squamish weather in July.

August and September display notable differences in weather characteristics. August typically boasts warmer temperatures, with minimums around 6°C (43°F) and a comfortable average of 15°C (59°F), reaching up to a maximum of 30°C (86°F). In contrast, September sees a drop in average temperatures to around 11°C (53°F), with minimums dipping to 2°C (35°F) and maximums slightly lower at 28°C (83°F). Precipitation also becomes more significant in September, soaring to 242 mm (9.5 in) over 16 days compared to August's 82 mm (3.2 in) spread over 10 days, while humidity remains relatively stable at 76%. For more detailed insights, check the weather specifics at Squamish weather in September.

In August, the weather is typically warmer, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 30°C (86°F) and an average of 15°C (59°F). The month experiences 82 mm (3.2 in) of precipitation over about 10 days, accompanied by a humidity level of 77%. In contrast, October brings much cooler conditions, with temperatures dropping significantly, as the minimum reaches -8°C (17°F) and the average settles at 5°C (41°F), while the maximum is 20°C (68°F). The month is also wetter, with 329 mm (13.0 in) of precipitation over 18 days and a higher humidity of 88%. For more detailed insights into October weather, you can visit Squamish weather in October.

In August, the weather is generally warm, with temperatures ranging from a cool 6°C (43°F) to a maximum of 30°C (86°F). Precipitation is moderate at 82 mm (3.2 in), spread over about 10 days, and humidity hovers around 77%. In contrast, November brings a dramatic shift with much colder temperatures, dipping to a minimum of -12°C (11°F) and averaging just 2°C (35°F). This month is notably wetter, with precipitation soaring to 465 mm (18.3 in) over approximately 20 days and a higher humidity level of 87%. To learn more about the specific weather patterns in November, check out Squamish weather in November.

August and December present a striking contrast in weather. In August, temperatures range from a mild 6°C (43°F) at the minimum to a warm 30°C (86°F) at the maximum, with an average of 15°C (59°F). The month sees about 82 mm (3.2 in) of precipitation over approximately 10 days, accompanied by a humidity level of 77%. In contrast, December experiences much colder conditions, with temperatures dropping significantly to a minimum of -20°C (-4°F) and a maximum of 6°C (44°F), averaging around -2°C (29°F). Precipitation in December skyrockets to 374 mm (14.7 in) across 20 days, and humidity climbs to 87%. For a more detailed look at what to expect, check out Squamish weather in December.

Compare Squamish's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Squamish

In August, Squamish experiences a delightful departure from the cooler months, showcasing warm temperatures that can reach up to 30°C (86°F), making it the hottest month of the year. The average temperature of around 15°C (59°F) creates a perfect balance for outdoor enthusiasts, while the cooler nights with lows dipping to 6°C (43°F) remind visitors of the region's mountain backdrop. Although August does see around 82 mm (3.2 in) of precipitation over approximately 10 days, this is relatively mild compared to the wetter winter months, fostering a vibrant atmosphere for summer activities. With humidity levels climbing to 77%, it’s a great time to embrace the lush landscapes and stunning natural beauty. For a deeper dive into the nuances of the climate, visit Squamish Climate.