Last updated: February 24, 2025
In August, Sun Valley, United States experiences a delightful summer climate characterized by a maximum temperature soaring to 30°C (86°F), while the average temperature hovers around a comfortable 15°C (60°F). Nighttime brings cooler air with a minimum temperature dipping to -3°C (27°F). This month sees precipitation totaling 33 mm (1.3 in), with about 6 rainy days interspersed throughout. The humidity level remains relatively moderate at 42%, providing a refreshing atmosphere for locals and visitors alike to enjoy the beauty of the outdoors.
In August, Sun Valley experiences a delightful shift toward warmer temperatures, making it one of the peak months for outdoor activities. The minimum temperature hovers around -3°C (27°F), providing a brisk yet refreshing start to the day, while the average temperature rises to a pleasant 15°C (60°F), perfect for enjoying the beautiful alpine scenery. As the day progresses, the mercury can peak at an inviting 30°C (86°F), encouraging both locals and visitors to embrace the sun. This upward trend in temperatures, following the milder months of June and July, marks August as a season of warmth and vibrancy, making it an ideal time for hiking, biking, and soaking in the natural beauty of the area before the cooler autumn temperatures begin to set in.
In August, Sun Valley experiences a modest precipitation of 33 mm (1.3 in), falling over approximately 6 days. This marks a noticeable increase from July's dry spell, which recorded only 15 mm (0.6 in) over just 4 days. The warm summer months tend to see a significant reduction in rain, with August receiving less than half of the rainfall seen in spring. As summer wanes, this uptick in precipitation hints at a shift toward the wetter months ahead, with September and October displaying similar trends of increasing rainfall. This rhythmic dance between aridity and moisture makes Sun Valley's climate diverse and vibrant as it transitions out of summer.
In Sun Valley, August marks a significant shift in humidity levels, showcasing a refreshing drop to 42%—the lowest point of the year. This decline from July's 53% signals the arrival of drier conditions as summer peaks. As the year progresses, a general trend of decreasing humidity is evident from January through August, with notable high levels in the winter months—91% in January and 92% in February. However, as the seasons transition toward fall, humidity levels begin to stabilize, seeing a slight increase to 46% in September. Overall, this trend indicates a seasonal rhythm, where the summer months offer a welcome respite from the moist chills of winter, making August particularly enjoyable for outdoor activities.
In August, Sun Valley typically experiences a UV Index of 10, classified as very high, which means that sun protection is essential to avoid harmful effects in just 15 minutes. This pattern continues the trend from June and July, where the UV Index reached its peak at 12 and 11, respectively. As summer transitions to fall, the UV Index begins to decrease in September, dropping to 9. Overall, this trend highlights a significant increase in UV exposure during the summer months, emphasizing the importance of sun safety in Sun Valley. For more detailed information on UV levels throughout the year, visit Sun Valley UV Index.
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In Sun Valley, United States, August shines as a vibrant highlight in the summer sunshine spectrum, boasting an impressive 364 hours of sunlight. This marks a slight dip from July’s peak of 402 hours, yet maintains a robust presence compared to the earlier months of the year. The progression from January's modest 142 hours to August's generous offering showcases a clear and warming trend as the seasons evolve. Spring bursts forth with increasing brightness, culminating in the sun-soaked days of June and July that entice visitors to embrace the outdoors. As summer transitions into autumn, the sunset hours begin to wane, but August still stands proud, inviting all to bask in its warm glow before the cooler months set in.
In Sun Valley, August is a delightful month for sunshine enthusiasts, boasting a 71% chance of sun, which aligns perfectly with the summer's warm embrace. Following a notably bright June at 78% and a slightly lower figure in July at 71%, August maintains this sunny momentum, ensuring plenty of opportunities for outdoor activities and relaxation. As summer transitions into fall, the likelihood of sunny days peaks in September at an impressive 82%, suggesting that late summer and early autumn are ideal for soaking in the golden rays. Overall, Sun Valley offers a vibrant tapestry of sunny possibilities in August, inviting locals and visitors alike to revel in its splendid weather.
In Sun Valley, United States, August marks a notable transition as daylight hours begin to wane following the peak summer months. With approximately 13 hours of daylight, this month continues to offer plenty of sunlight, although it is a step down from the 15 hours enjoyed in June and July. This gradual decline encapsulates a typical summer rhythm, allowing residents and visitors to savor the lingering warmth and late sunsets. As August fades, it sets the stage for autumn, with daylight hours steadily decreasing—falling to 12 hours in September and further diminishing as the year progresses. The trend reflects a harmonious cycle of nature, inviting an array of outdoor activities before the shorter, cozier days of fall take hold.
In Sun Valley, United States, the winds show a gentle rhythm throughout the year, peaking during the warmer months. August maintains an average wind speed of 2.0 m/s (4 mph), aligning closely with the breezes of April and July. As summer unfolds, the wind remains consistent, transitioning from June's slightly brisker pace of 2.4 m/s (5 mph). The wind speed sees a slight increase in September and October, echoing the stability of late summer, but notably, January's calmness at 1.7 m/s (4 mph) sets a subdued tone for the year. Overall, the prevailing gentle breezes of Sun Valley create a serene atmosphere, with only modest fluctuations across the seasons, making it an enchanting destination for those seeking a tranquil escape.
The weather in Sun Valley 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 Sun Valley and find detailed weather information for every month.
When comparing the weather in August and January, it is clear that these months present starkly different conditions. August enjoys a wide temperature range, with minimums around -3°C (27°F), an average of 15°C (60°F), and maximums reaching up to 30°C (86°F). This month is relatively dry, with only 33 mm (1.3 in) of precipitation over approximately six days, and a comfortable humidity level of 42%.
In contrast, January experiences much colder temperatures, with minimums plunging to -27°C (-16°F) and a chilling average of -8°C (17°F). Maximum temperatures barely rise above freezing at 2°C (36°F). This winter month sees more precipitation, totaling 56 mm (2.2 in) across ten days, and an increase in humidity to 91%, leading to a notably damp and frigid atmosphere. For a closer look at winter conditions, you can visit Sun Valley weather in January.
August and February present strikingly contrasting weather conditions. In August, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 30°C (86°F), with an average temperature of 15°C (60°F). The month sees relatively low precipitation of 33 mm (1.3 in) over just 6 days and a comfortable humidity level of 42%. In stark contrast, February is characterized by much colder temperatures, with minimums plunging to -22°C (-8°F) and an average temperature of -8°C (18°F). Additionally, February experiences significantly higher precipitation at 86 mm (3.4 in), spread over 13 days, along with a high humidity of 92%. For more insights about February weather in the region, check out Sun Valley weather in February.
When comparing the weather in August and March, we see notable differences in temperature and precipitation patterns. August enjoys milder conditions with a minimum temperature of -3°C (27°F) and an average of 15°C (60°F), peaking at 30°C (86°F). In contrast, March is much colder, with temperatures ranging from a minimum of -22°C (-7°F) to a maximum of just 10°C (50°F), resulting in an average temperature of -3°C (26°F). August also experiences less precipitation, totaling 33 mm (1.3 in) over about 6 days, while March has higher precipitation at 60 mm (2.4 in) spread over roughly 12 days. Additionally, March is significantly more humid, with humidity levels reaching 85%, compared to August's 42%. For more detailed insights into March weather, visit Sun Valley weather in March.
When comparing the weather in August and April, it is clear that these two months present vastly different conditions. August features a milder climate with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), averaging around 15°C (60°F). With only 33 mm (1.3 in) of precipitation over 6 days and a humidity level of 42%, August is generally drier and warmer. In contrast, April experiences significantly colder temperatures, with a minimum of -16°C (3°F) and a maximum of 14°C (57°F), resulting in an average temperature of 0°C (31°F). This month also sees a higher precipitation level of 52 mm (2.0 in) over 11 days, coupled with a much higher humidity of 76%. For further insights on the weather specifics in April, you can visit Sun Valley weather in April.
In comparing the weather between August and May, August tends to be significantly warmer, with average temperatures reaching 15°C (60°F) and maximums peaking at 30°C (86°F). In contrast, May experiences cooler temperatures, with an average of 4°C (40°F) and a maximum of 24°C (75°F). August is also relatively drier, with only 33 mm (1.3 in) of precipitation over six days, while May sees more rainfall, totaling 61 mm (2.4 in) across 13 days. Additionally, humidity levels are higher in May at 66%, compared to 42% in August. For more detailed information, you can check Sun Valley weather in May.
When comparing the weather in August and June, it's clear that August tends to be warmer, featuring a minimum temperature of -3°C (27°F) and an average of 15°C (60°F), with a maximum reaching 30°C (86°F). In contrast, June starts slightly cooler, with temperatures ranging from a minimum of -4°C (24°F) to an average of 11°C (52°F) and a maximum of 28°C (82°F). Additionally, August experiences less precipitation, recording 33 mm (1.3 in) over 6 days, while June sees more rainfall, totaling 46 mm (1.8 in) across 9 days. Humidity levels are also higher in June at 62%, compared to August's 42%. For a deeper dive into what to expect during June, you can check out Sun Valley weather in June.
In comparing the weather patterns of August and July, August presents a wider temperature range, with minimums dipping to -3°C (27°F) and maximums reaching 30°C (86°F), while July stays slightly milder, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 28°C (83°F). August also experiences more precipitation at 33 mm (1.3 in) over 6 days, compared to July's 15 mm (0.6 in) over just 4 days. Furthermore, August's lower humidity of 42% offers a drier feel compared to the more humid July, which averages at 53%. For a more detailed look at July's weather in this region, check out Sun Valley weather in July.
August typically offers warmer temperatures, with an average of 15°C (60°F) and maximum highs reaching up to 30°C (86°F), while September sees a drop in average temperature to 10°C (51°F) and minimums dipping as low as -13°C (10°F). Despite this cooler trend, September maintains fairly consistent precipitation levels with 30 mm (1.2 in) over 5 days, closely mirroring August's 33 mm (1.3 in) spread across 6 days. Additionally, September experiences a slight increase in humidity at 46% compared to August's 42%. For more details on the specific conditions, you can check Sun Valley weather in September.
The weather in August contrasts significantly with that of October. In August, temperatures range from a minimum of -3°C (27°F) to a comfortable maximum of 30°C (86°F), with an average of 15°C (60°F). Precipitation is relatively low at 33 mm (1.3 in), observed over 6 days, and humidity sits at 42%. In stark contrast, October experiences a much cooler climate, with temperatures dipping to a minimum of -24°C (-11°F) and averaging just 2°C (35°F). The maximum temperature in October edges up to 22°C (71°F), while precipitation increases slightly to 42 mm (1.6 in) over 7 days and humidity rises to 64%. For more detailed information, you can check Sun Valley weather in October.
In comparing the weather of August and November, it's evident that November experiences significantly colder temperatures, with a minimum of -23°C (-10°F) compared to August's milder minimum of -3°C (27°F). August boasts a more pleasant average temperature of 15°C (60°F) and can peak at a warm 30°C (86°F), while November's average drops to -4°C (26°F), with a maximum of only 12°C (55°F). Additionally, November sees increased precipitation, totaling 46 mm (1.8 in) over about 9 days, which is higher than August’s 33 mm (1.3 in) over 6 days. The humidity level also rises dramatically in November to 83%, contrasting sharply with August's 42%. For a detailed look at November weather in Sun Valley, you can check Sun Valley weather in November.
In August, weather conditions are significantly milder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), and an average of 15°C (60°F). Precipitation is relatively low, with 33 mm (1.3 in) falling over about six days, and humidity sits at a comfortable 42%. In contrast, December brings a much colder climate, with temperatures plummeting to a minimum of -25°C (-12°F) and averaging -9°C (16°F), while the high rarely exceeds 8°C (46°F). Rainfall increases to 49 mm (1.9 in) over roughly ten days, and humidity rises dramatically to 87%. For more detailed insights, check out Sun Valley weather in December.
As August unfolds in Sun Valley, residents and visitors alike experience a unique blend of warm days and cool nights. Unlike the colder months that see more significant drops in temperature, August offers a pleasant average temperature that invites outdoor adventures. The month is characterized by relatively low precipitation, with just a few rainy days, making it an ideal time for hiking and other activities in the beautiful surroundings. While summer humidity lingers at a manageable level, the overall weather is a refreshing change from the rest of the year, setting the stage for a perfect summer getaway. For those looking to explore the full range of Sun Valley's climate, further details can be found at Sun Valley Climate.