Last updated: February 24, 2025
In August, Fort Collins, United States experiences a delightful blend of warm temperatures and occasional rainfall. The maximum temperature soars to a sweltering 36°C (98°F), while the average hovers at a comfortable 22°C (72°F), and lows can dip to 10°C (50°F). This month receives about 37 mm (1.5 inches) of precipitation over approximately 6 days, contributing to the region’s vibrant flora. With humidity levels around 63%, visitors can expect a mix of sunny days perfect for outdoor activities and refreshing rain showers that revitalize the landscape. August in Fort Collins serves as a perfect backdrop for summer adventures.
In Fort Collins, United States, August brings a delightful warmth that sets the stage for the tail end of summer. With minimum temperatures resting at around 10°C (50°F) and daily averages hovering around 22°C (72°F), residents and visitors alike can expect comfortable days perfect for outdoor activities. The season reaches its peak with maximum temperatures soaring to about 36°C (98°F), making it one of the hottest months of the year. This trend of rising temperatures, following the progressively warming months of June and July, showcases a significant shift from the biting cold of winter, highlighting Fort Collins' charming transition to vibrant summer days. As August progresses, one can truly savor the moderate evenings, beautifully capturing the essence of summertime in this picturesque city.
In August, Fort Collins experiences a modest precipitation total of 37 mm (1.5 in), with rainfall recorded on approximately 6 days throughout the month. This figure reflects a slight uptick from the drier month of July, which saw only 30 mm (1.2 in). Observing the trend from spring through summer, August typically transitions from the robust 116 mm (4.6 in) in May to more moderate levels, suggesting a shift towards drier conditions as the region edges closer to fall. The overall pattern indicates that while the summer months may bring occasional rain, August's precipitation often serves as a gentle reminder of the seasonal change ahead, juxtaposed against the heavier rains earlier in the year.
In August, Fort Collins experiences a slight dip in humidity, averaging around 63%, continuing a trend of lower humidity levels that began in July. This month sits at the tail end of a gradual decline from the peak dampness of January and February, where humidity levels soar at 84% and 85%, respectively. As spring transitions to summer, humidity witnesses a decrease, reaching its lowest point in July before stabilizing in August. This trend demonstrates how the climate gradually shifts from the moist, wintry conditions of early months to a more temperate, pleasant summer environment, which then carries into early autumn. Overall, August offers a refreshing balance, making it an enjoyable time for outdoor activities in this beautiful mountain region.
In August, Fort Collins experiences a notable UV Index of 11, placing it in the extreme exposure category, which means outdoor enthusiasts should take precautions seriously. With a burn time of just 10 minutes, the intensity of the sun remains high, similar to the preceding summer months of June and July. This trend of escalating UV levels throughout the summer suggests that residents and visitors alike should stay vigilant about sun safety. As we transition into the cooler months, September shows a slight decrease to a UV Index of 9, indicating that while the intensity reduces, vigilance remains essential. For more detailed information and to plan your outdoor activities safely, check out Fort Collins UV Index.
UV Risk Categories
In August, Fort Collins basks in a splendid 352 hours of sunshine, a highlight in its summer season that blends warmth and brightness. This month marks a slight decline from the peak July sunshine of 382 hours but still comfortably outshines the earlier months of spring and winter. Notably, this summer pattern acknowledges an upward trend that begins in January with just 185 hours, steadily rising through the months, culminating in a radiant June and July. As summer transitions to fall, the wonderful August sunlight continues to illuminate the vibrant landscapes of Fort Collins, setting the stage for the cooler September with 306 hours that gently leads into the crisp days of autumn.
August in Fort Collins marks a peak in sunny weather, boasting a 66% chance of sunshine. This upward trend builds on the warm, sunny days of July, which sees a 62% likelihood, and continues into September with an even better 69% chance of clear skies. As summer unfolds, the climactic shift from early to late season reflects the region's gradual transition toward autumn, bringing with it an inviting warmth that residents and visitors alike can truly enjoy. This sunny spell not only enhances outdoor activities but also showcases the area's stunning natural beauty, making August a delightful time to experience Fort Collins.
In August, Fort Collins enjoys 13 hours of daylight, a gentle decline from the peak of 15 hours in June. This gradual decrease signals the transition towards fall, as the sun begins to set a little earlier each evening. Compared to the earlier months of the year, where daylight hours steadily increased from 9 hours in January to their zenith in June, August maintains a sense of lingering warmth and brightness before the days shorten further. As summer wanes, the daylight duration reflects the impending seasonal change, offering a perfect backdrop for enjoying outdoor activities in the fading summer sun.
In Fort Collins, August brings a gentle touch of wind, with an average speed of 2.4 m/s (5 mph), mirroring the mild breezes felt throughout much of the summer. This month sits comfortably within a consistent pattern observed from January to July, where wind speeds fluctuate only slightly, typically hovering around the 2.1 to 2.7 m/s range. As the seasons transition, you can expect September to also maintain the same average wind speed, indicating the late summer months embrace a calm and pleasant atmosphere. As fall approaches in October, a marginal increase to 2.5 m/s (6 mph) occurs, hinting at the invigorating gusts that will become more frequent as the year progresses. Overall, August encapsulates a serene wind experience, perfect for enjoying the beautiful Colorado outdoors.
The weather in Fort Collins 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 Fort Collins and find detailed weather information for every month.
August and January present a stark contrast in weather conditions. In August, temperatures range from a mild 10°C (50°F) at night to a scorching 36°C (98°F) during the day, with an average of 22°C (72°F) and relatively low precipitation at 37 mm over six days. The humidity hovers around 63%, contributing to the warmth. In contrast, January experiences much colder temperatures, with lows plunging to -26°C (-14°F) and daytime highs reaching only up to 17°C (62°F), averaging around -1°C (30°F). Precipitation is less frequent, totaling 17 mm over just four days, but the humidity is notably higher at 84%. This dramatic difference creates a clear seasonal divide, making each month unique in its own right. For a detailed look at January weather, visit Fort Collins weather in January.
August and February present striking contrasts in weather patterns. In August, temperatures range from a comfortable minimum of 10°C (50°F) to a scorching maximum of 36°C (98°F), averaging around 22°C (72°F). The month sees 37 mm (1.5 in) of precipitation over approximately six days, accompanied by a moderate humidity level of 63%. In stark contrast, February experiences much colder conditions, with temperatures plummeting to a minimum of -25°C (-13°F) and a maximum reaching 24°C (75°F), averaging only -2°C (29°F). Precipitation is lower at 23 mm (0.9 in), also occurring over six days, but the high humidity level of 85% can make the cold feel even more biting. For those interested in a closer look at February weather specifics, more details can be found at Fort Collins weather in February.
August and March showcase strikingly different weather patterns. August typically features warmer conditions with a minimum temperature of 10°C (50°F) and an average high of 22°C (72°F), while March can see frigid lows of -21°C (-5°F) accompanying an average temperature of just 4°C (40°F). In August, precipitation averages around 37 mm (1.5 in) over six days, whereas March experiences a slightly higher rainfall of 53 mm (2.1 in) spread over nine days. Additionally, March tends to be more humid, with humidity levels at 75% compared to August's 63%. For more detailed information on March weather, you can visit Fort Collins weather in March.
When comparing the weather in August and April, significant differences emerge. August boasts milder temperatures, with averages around 22°C (72°F) and maximums reaching up to 36°C (98°F), while April's average temperature is substantially lower at 8°C (47°F), peaking at just 29°C (85°F). Precipitation is also notable, as April experiences 53 mm (2.1 in) over 10 days, in contrast to August’s 37 mm (1.5 in) across only 6 days. Additionally, humidity levels are slightly higher in April at 67% compared to August's 63%. For a more detailed look at April's weather, check out Fort Collins weather in April.
August and May present distinctly different weather patterns. In August, temperatures range from a mild 10°C (50°F) at night to a warm max of 36°C (98°F), with an average of 22°C (72°F). The month experiences relatively low precipitation at 37 mm (1.5 inches) over just 6 days, coupled with humidity around 63%. In contrast, May sees a broader temperature spectrum, with a chilly minimum of -3°C (27°F) and a maximum of 31°C (88°F), averaging at 13°C (56°F). It is also much wetter, with 116 mm (4.6 inches) of rainfall spread across 14 days and slightly higher humidity at 67%. For more detailed insights, you can check out Fort Collins weather in May.
When comparing the weather in June and August, it’s evident that both months offer a range of temperatures and precipitation patterns. August tends to be warmer on average, with a minimum of 10°C (50°F) and an average temperature of 22°C (72°F), whereas June starts slightly cooler, with a minimum of 5°C (41°F) and an average of 20°C (68°F). Interestingly, both months have similar maximum temperatures, peaking at 36°C (98°F) in August and 38°C (100°F) in June. Precipitation levels are relatively close, with August receiving 37 mm (1.5 in) over 6 days, compared to June's 40 mm (1.6 in) across 8 days, indicating that June is slightly wetter overall. Humidity in June is also a bit higher at 68%, compared to August's 63%. For a more detailed look at the June weather, you can check Fort Collins weather in June.
When comparing the weather in July and August, we can see some noteworthy similarities and differences. In July, temperatures ranged from a minimum of 9°C (49°F) to a maximum of 37°C (99°F), with an average of 23°C (74°F) and a total precipitation of 30 mm (1.2 in) over six days. Humidity during this month was relatively low at 62%. Conversely, August saw slightly warmer average temperatures, with a minimum of 10°C (50°F) and a maximum of 36°C (98°F) while maintaining a similar average of 22°C (72°F). Interestingly, precipitation increased in August to 37 mm (1.5 in), although it still rained on six days, and humidity rose slightly to 63%. For more detailed insights on weather conditions, check out Fort Collins weather in July.
August typically features warmer weather, with average temperatures around 22°C (72°F) and a maximum of 36°C (98°F), while September sees a decrease in average temperature to 19°C (66°F) and a minimum dipping to -1°C (31°F). Both months experience similar humidity levels at 63%, but August has more precipitation, totaling 37 mm over 6 days compared to September's 26 mm over 4 days. This transition between months signifies a shift from the peak summer heat of August to the cooler, more variable conditions of September. For a more detailed look at September weather specifics, check out Fort Collins weather in September.
August weather brings warmer temperatures with a minimum of 10°C (50°F) and an average high of 22°C (72°F), peaking at a sweltering 36°C (98°F). The month experiences relatively low precipitation at 37 mm (1.5 in) over about 6 days, with humidity levels around 63%. In contrast, October experiences a significant shift, presenting a cooler climate where the minimum temperature drops to -16°C (3°F) and the average temperature is only 9°C (49°F), although it can still reach a maximum of 29°C (84°F). This month sees slightly less precipitation at 36 mm (1.4 in) spread over 7 days, coupled with higher humidity at 72%. To get a detailed overview of October weather in Fort Collins, visit Fort Collins weather in October.
August weather is characterized by warmer temperatures, with a minimum of 10°C (50°F) and an average high of 22°C (72°F), occasionally reaching up to 36°C (98°F). This month sees a moderate level of precipitation at 37 mm (1.5 in) across about six days, coupled with a humidity level of 63%. In contrast, November experiences a significant drop in temperatures, with a minimum of -15°C (6°F) and an average around 4°C (40°F), peaking at 25°C (77°F). During this month, there is less precipitation at 21 mm (0.8 in) over five days, but the humidity increases to 79%. For more detailed weather specifics, you can check Fort Collins weather in November.
August and December exhibit stark contrasts in weather. August typically experiences a broad range of temperatures, with minimums around 10°C (50°F) and highs that can soar up to 36°C (98°F), averaging a comfortable 22°C (72°F). In contrast, December brings frigid conditions, often plunging to a minimum of -16°C (3°F) and averaging just 1°C (33°F) with a peak of 22°C (72°F) on rare warmer days. While August has an average humidity of 63% and sees about 37 mm (1.5 in) of precipitation over approximately six days, December is noticeably wetter in terms of humidity at 85%, though it experiences much less rainfall, totaling only 16 mm (0.6 in) over three days. For more detailed insights, visit Fort Collins weather in December.
August in Fort Collins marks a transition into the heart of summer, where temperatures soar and the warmth lingers. The month is characterized by a delightful blend of sunshine and occasional rain, with a noticeable increase in both h humidity and temperatures compared to the cooler months. While afternoons can sizzle under the bright sun, the evenings offer a refreshing respite, making it an ideal time for outdoor activities. With an average precipitation of just a few scattered days, August stands out as a vibrant and lively month in contrast to the spring rains that precede it. For a deeper understanding of the weather trends year-round, explore Fort Collins Climate.