Last updated: April 28, 2025
August in Calgary, Canada offers a blend of warmth and unpredictability, with temperatures soaring to a maximum of 38°C (100°F) while averaging a mild 16°C (62°F). The month sees a cool dip, with minimum temperatures reaching 3°C (37°F) at night. Rainfall is moderate, totaling 43 mm (1.7 in) over approximately 7 days, and the air carries a notable humidity level of 77%, adding a touch of moisture to the warm summer days. Whether basking in the sun or seeking refuge during the occasional rain, Calgary’s August weather provides a dynamic backdrop for summer activities and adventures.
In Calgary, Canada, August marks a delightful peak in temperatures as summer reaches its zenith. This month typically features a minimum temperature of around 3°C (37°F), providing a mild start to warm days, while the average temperature hovers around 16°C (62°F), making it a comfortable time for outdoor activities. With the maximum temperatures soaring to an impressive 38°C (100°F), residents and visitors alike can enjoy the warmth, often basking in the sunshine at local parks or festivals. Compared to the preceding months, there’s a clear upward trend from the cooler July, emphasizing the transition into the warmth of late summer before the fall chill sets in. This beautiful balance of warm sunny days and cool evenings makes August an ideal time to experience Calgary's vibrant outdoor scene.
In August, Calgary experiences a notable shift in precipitation patterns, with 43 mm (1.7 in) of rain distributed over 7 days. This marks a decline from the wetter months of June and July, where rainfall reached peaks of 85 mm and 69 mm, respectively. The consistent precipitation throughout the summer months helps to nourish the lush landscapes before the transition into fall. Interestingly, August shares the same precipitation amount as September, suggesting a continuation of moist conditions as summer wanes. This month serves as a bridge, ensuring the city remains vibrant as it moves toward the drier fall season.
In Calgary, Canada, August brings a refreshing twist to the summer as humidity levels drop to 77%, marking the onset of drier conditions. This decline follows a gradual decrease from the peak summer months, where July sees humidity at 80%. The trend of lower humidity in August is a contrast to the winter months, where levels soar to a high of 93% in February and remain elevated in January and December. As the seasons shift, Calgarians can enjoy the pleasant balance of warm temperatures and comfortable humidity, bridging the gap to the crispness of autumn while bidding farewell to the sultry summer air.
In August, Calgary experiences a very high UV Index of 8, similar to the preceding months of June and July. With a burn time of just 15 minutes, it’s crucial for residents and visitors alike to take extra precautions when enjoying outdoor activities. This sustained high index indicates a peak in sun intensity, urging individuals to apply sunscreen frequently, wear protective clothing, and seek shade when possible. As summer transitions to fall, the UV Index will gradually decrease, with September still marked at a high level of 7 but offering a slight increase in burn time to 25 minutes. For more detailed insights on UV exposure in the city, visit Calgary UV Index.
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In Calgary, Canada, the month of August basks in 331 hours of sunshine, maintaining the region's vibrant summer spirit as the peak sunlight season begins to wane. This delightful month sees a slight decline from the record-breaking 382 hours in July, yet it still stands out as a beacon of warmth before the cooler months set in. Leading into autumn, the sunshine hours drop significantly, with September bringing just 255 hours and continuing the downward trend through the rest of the year. Overall, August embodies the last stretch of summer's brilliance, marking a transition from the high-energy days of July to the mellower light of fall.
In Calgary, August brings a 47% chance of sunny weather, making it a promising month for those seeking outdoor activities. Following the peak of summer, July's 57% sunshine likelihood, August's sun chance shows a slight decline, yet still holds its own among the sunnier months. This trend emphasizes Calgary's generally bright summer season, where residents and visitors alike can enjoy the vibrant outdoor atmosphere. As the city transitions into fall, the chances of sun remain relatively stable, hovering around the mid-to-high 40% range, showcasing Calgary's unique blend of weather patterns that keep the sun in the spotlight even as summer wanes.
In Calgary, Canada, August heralds a gentle decline in daylight hours, offering approximately 14 hours of sunlight. This month follows the vibrant days of June and July, which boast the year's peak with 16 and 15 hours of daylight, respectively. As summer begins to wane, the city transitions from the lush light-filled days of summer to the more subdued tone of autumn, with September further reducing daylight to 12 hours. The trend reflects a gradual shift, where each month preceding August contributes to longer daylight, culminating in the lingering warmth and brightness before nature moves into its contemplative phase. As daylight decreases in September and continues through to December, the contrast against the summer months becomes even more pronounced, emphasizing the beauty of Calgary's diverse seasonal rhythm.
In Calgary, the August winds offer a gentle respite, echoing the lull of summer as they shift to an average speed of 2.6 m/s (6 mph). This slight decrease from the more blustery spring months is part of a broader trend where wind speeds are generally lower during the summer, with the year's peak gusts typically found in the brisker months of January to April. As the summer days stretch into autumn, the winds gradually pick up again in September and October, aligning with the natural transition of the season. Overall, the serene August breezes invite Calgarians to enjoy the outdoors, as they remind us that the summer is winding down, yet still vibrant with life.
The weather in Calgary 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 Calgary and find detailed weather information for every month.
Comparing the weather in August and January reveals striking contrasts. August boasts a minimum temperature of 3°C (37°F) and can soar to a sweltering max of 38°C (100°F), with average temperatures around 16°C (62°F). This summer month typically experiences 43 mm (1.7 in) of precipitation over about 7 days, coupled with a humidity level of 77%. In stark contrast, January presents a much harsher climate, with temperatures plummeting to a minimum of -36°C (-32°F) and peaking at a relatively mild 11°C (52°F), averaging -7°C (20°F). The winter month sees significantly less precipitation, only 8 mm (0.3 in) over approximately 2 days, but with higher humidity at 91%. For more details on the January experience, check Calgary weather in January.
When comparing the weather in August and February, the differences are striking. August features a much warmer climate with temperatures ranging from a minimum of 3°C (37°F) to a scorching maximum of 38°C (100°F), making it a peak summer month. In contrast, February is characterized by frigid conditions, with temperatures ranging from -35°C (-31°F) to a maximum of just 13°C (56°F), showcasing the depth of winter. Precipitation is more frequent in August, with 43 mm (1.7 in) over 7 days, while February sees slightly less at 29 mm (1.2 in) across 8 days, despite its higher humidity level of 93%. To delve deeper into February’s chilly climate, you can visit Calgary weather in February.
The weather in August and March contrasts dramatically, showcasing the stark seasonal differences. August boasts warmer temperatures, ranging from a chilly low of 3°C (37°F) to a scorching high of 38°C (100°F), while March experiences much colder conditions with temperatures dipping as low as -31°C (-23°F) and peaking at 18°C (64°F). Precipitation is slightly higher in August at 43 mm (1.7 in) compared to March's 27 mm (1.1 in), although both months see a similar number of rainy days. Humidity levels are notably high in both months, with August at 77% and March at 88%. For a detailed overview of March weather specifics, you can refer to Calgary weather in March.
When comparing the weather in August and April, notable differences emerge in temperature and humidity. August typically enjoys warmer temperatures, with an average of 16°C (62°F) and highs reaching up to 38°C (100°F), while April sees cooler conditions, averaging only 3°C (37°F) with a maximum of 26°C (80°F). Despite its milder temperatures, April experiences slightly higher humidity at 84%, compared to August’s 77%. Precipitation levels are relatively similar, with April receiving 38 mm (1.5 in) over about 9 days, while August has 43 mm (1.7 in) spread over 7 days. For a more detailed look at April’s weather, you can visit Calgary weather in April.
August and May in Calgary showcase distinct weather patterns that reflect the transition between spring and summer. In August, temperatures range from a minimum of 3°C (37°F) to a maximum of 38°C (100°F), with an average of 16°C (62°F), while May experiences cooler conditions with temperatures ranging from -6°C (22°F) to a maximum of 29°C (85°F), averaging at 10°C (51°F). Precipitation is slightly higher in May at 62 mm (2.4 in) over 10 days, compared to 43 mm (1.7 in) over 7 days in August, indicating a wetter spring. Humidity levels remain high in both months, with May at 80% and August at 77%. For a detailed look into the weather conditions, visit Calgary weather in May.
In comparing the weather of August and June, we see some notable differences. August tends to be warmer, with an average temperature of 16°C (62°F) and maximums reaching up to 38°C (100°F), while June's average is slightly cooler at 15°C (59°F) with a maximum of 37°C (99°F). Precipitation levels are higher in June, totaling 85 mm (3.3 in) over 12 days, compared to August's 43 mm (1.7 in) and 7 rainy days. Interestingly, humidity remains quite similar in both months, with August at 77% and June at 79%. For a detailed look at June's weather patterns, you can check out Calgary weather in June.
In comparing the weather between July and August, we find that August generally experiences slightly higher temperatures, with a minimum of 3°C (37°F) and a maximum of 38°C (100°F), compared to July's minimum of 5°C (41°F) and maximum of 36°C (98°F). However, the average temperatures are quite similar, with August averaging 16°C (62°F) and July at 17°C (63°F). Precipitation is lower in August, totaling 43 mm (1.7 in) over 7 days, while July sees more rain at 69 mm (2.7 in) and 11 days of precipitation. The humidity remains relatively high in both months, with August at 77% and July at 80%. For more details, you can check Calgary weather in July.
In August, the weather in Calgary is characterized by warmer temperatures, with a minimum of 3°C (37°F) and a maximum reaching up to 38°C (100°F), alongside an average temperature of 16°C (62°F). Despite the heat, it experiences some rainfall, totaling 43 mm (1.7 in) over about 7 days, while humidity levels remain relatively high at 77%.
By contrast, September brings a notable shift in weather patterns, with temperatures dropping to a minimum of -3°C (27°F) and an average of 11°C (52°F), while the maximum temperature peaks at 33°C (92°F). Rainfall remains similar to August, at 43 mm (1.7 in), but it is spread over 9 days, indicating a more frequent occurrence of precipitation. Humidity also slightly decreases to 74%. For more detailed insights, you can check Calgary weather in September.
August and October display stark contrasts in weather, with August characterized by warm, high temperatures ranging from a chill of 3°C (37°F) to a scorching 38°C (100°F). The average temperature sits at a pleasant 16°C (62°F), along with relatively high humidity levels at 77%, and a total precipitation of 43 mm (1.7 in) spread over 7 days. In contrast, October brings a more autumnal chill, with temperatures dipping dramatically from a minimum of -22°C (-8°F) to a maximum of 24°C (75°F), and an average of just 4°C (39°F). Although it has lower precipitation at 31 mm (1.2 in) over 5 days, the humidity remains high at 80%. For a detailed look, you can check out Calgary weather in October.
August and November present strikingly different weather conditions. In August, temperatures fluctuate between a chilly 3°C (37°F) and a scorching 38°C (100°F), with an average of 16°C (62°F). The month is characterized by a relatively high humidity of 77% and experiences about 43 mm (1.7 in) of precipitation over seven days. In contrast, November sees much colder temperatures, ranging from a minimum of -23°C (-9°F) to a maximum of 21°C (70°F), with an average temperature of -2°C (29°F). Although November has less precipitation, at 26 mm (1.0 in) over the same number of days, it is marked by higher humidity levels at 86%. For more details about November conditions specifically, you can visit Calgary weather in November.
In August, temperatures in Calgary experience a wide range, with a minimum of 3°C (37°F) and a maximum reaching up to 38°C (100°F). The month sees an average temperature of 16°C (62°F), along with 43 mm (1.7 in) of precipitation over approximately 7 days, and humidity levels around 77%. In stark contrast, December reveals a chilly landscape, with temperatures plummeting to a minimum of -35°C (-31°F) and peaking at a maximum of 14°C (58°F). The average temperature sits at a frigid -7°C (20°F), with a lower precipitation total of 24 mm (0.9 in) across just 5 days and humidity rising to 92%. For a detailed look at the winter conditions, check out Calgary weather in December.
August in Calgary typically showcases a unique blend of summer's warmth and the early whispers of fall. With temperatures peaking at a blistering 38°C and averaging a comfortable 16°C, this month stands out as one of the hottest, often leaving behind the cooler nights with lows around 3°C. While Calgary generally sees lower humidity levels, August's 77% humidity can make the heat feel more intense, and occasional rainfall—averaging 43 mm across about a week—adds a refreshing twist to the dry spells. This distinct weather pattern sets August apart as a transitional period, offering both sweltering days and cool evenings that contrast with the predictable patterns of the surrounding months. For a deeper dive into the city's varied climate throughout the year, be sure to check out Calgary Climate.