Last updated: February 24, 2025
In August, Chelan, United States, experiences a delightful summer climate characterized by a maximum temperature soaring to 38°C (100°F), while the average hovers around a comfortable 22°C (71°F). The month brings a refreshing minimum temperature of 7°C (45°F), making it ideal for both daytime adventures and cool evenings. With just 4 mm (0.2 in) of precipitation distributed over a mere single day, the month is predominantly dry, allowing residents and visitors to enjoy outdoor activities under a moderately humid atmosphere of 63%. Whether soaking up the sun or exploring the scenic beauty of the region, August showcases Chelan at its warmest and most inviting.
In August, Chelan experiences warm and sunny days, with temperatures reflecting the high points of summer. The month sees minimum temperatures around 7°C (45°F), giving way to an average of 22°C (71°F), perfectly suited for outdoor activities and leisurely pursuits. With daytime maxima reaching up to a sizzling 38°C (100°F), it's clear that August is one of the hottest months of the year. This heat follows a gradual increase from the cooler spring months and peaks just before the transition into the milder conditions of fall in September. The warmth, combined with the lake's inviting waters, makes Chelan a popular destination for those seeking to enjoy the beauty of summer before autumn sets in.
In August, Chelan's weather remains predominantly dry, with only 4 mm (0.2 in) of precipitation recorded over a mere single day. This is part of a broader trend throughout the summer months, where July sees a striking absence of rainfall, marking a stark contrast to the wetter conditions at the beginning of the year. As the region transitions into September, rainfall begins to pick up again, but August stands out as the peak of the dry season, underscoring Chelan's characteristic warm and sunny summer days. This significant reduction in both total precipitation and rainy days hints at the area's distinct climatic rhythm, where summer is embraced with minimal interruption from rain.
In Chelan, Washington, the month of August marks a notable drop in humidity, with levels falling to 63%, which is significantly lower compared to the earlier months of the year. As the summer progresses, humidity steadily decreases from July's 79%, suggesting a transition into a drier late summer. This trend contrasts sharply with the winter and early spring months, where humidity hovers consistently above 84%, peaking at 87% in March. By the time autumn arrives, September sees a slight further decline to 62%, indicating a continued shift towards drier conditions. Overall, August stands out as a pivotal month, ushering in a more comfortable atmosphere before the humidity begins to climb again in the cooler months.
In August, Chelan experiences a very high UV Index of 9, similar to the peak levels seen in July. With a burn time of just 15 minutes, it's essential to take precautions against sun exposure. This month continues the trend observed since May, where UV levels have remained elevated, urging residents and visitors to protect their skin. As summer waves goodbye, the UV Index begins to decline in September, returning to high levels at 7. Staying informed about UV exposure is crucial, particularly during these peak months. For more detailed information, visit Chelan UV Index.
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In August, Chelan basks in an impressive 360 hours of sunshine, maintaining its status as one of the sunniest months of the year. This follows a peak in July with 416 hours, showcasing the region's vibrant summer atmosphere. As the summer reaches its zenith, the sunlight gently begins to wane during September with 287 hours, signaling the transition into autumn. Overall, the extended hours of sunshine from May through August not only elevate mood but also invite a range of outdoor activities, making Chelan a delightful destination during this radiant season.
August in Chelan, United States, enjoys a considerable 65% chance of sunny weather, continuing the trend of increasing sunshine that peaks in July at a remarkable 87%. As summer unfolds, the likelihood of clear skies climbs consistently from a modest 22% in January to a vibrant 60% by May, reflecting the region’s transition into sunnier months. While August sees a slight dip from July's high, it still stands well above the averages of the earlier months. With the sun shining brightly, Chelan is an inviting destination for those looking to relish summer warmth and outdoor adventures.
In August, Chelan basks in a generous 14 hours of daylight, marking a subtle transition as summer begins to wane. The month reflects a gradual decline from the peak daylight hours of July, which enjoy a full 15 hours of sun. This slight decrease hints at the impending autumn, yet August still welcomes plentiful sunshine that allows for outdoor adventures and late evening gatherings. As the days shorten, the shift in light also enhances the vibrant hues of the landscape, creating a picturesque backdrop that adds to the charm of summer's last hurrah before September arrives with just 12 hours of daylight.
In August, the wind in Chelan continues to whisper a gentle breeze, with an average speed of 2.3 m/s (5 mph). This marks a subtle decline from the higher winds of late spring and early summer, where speeds hovered around 2.6 m/s (6 mph) in May. The trend suggests that as summer draws to a close, the winds begin to soften slightly, preparing the landscape for the calmness of autumn. However, August still holds its charm, as the consistent gusts maintain a refreshing vibe perfect for outdoor activities, signaling a smooth transition into the cooler months. Overall, the month offers a pleasant balance, echoing the serene beauty of Chelan's late summer days.
The weather in Chelan 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 Chelan and find detailed weather information for every month.
The comparison between August and January weather reveals a stark contrast in temperature and precipitation patterns. August experiences much warmer conditions, with average temperatures reaching 22°C (71°F) and maximums soaring to 38°C (100°F), while January sees much colder weather, with average temperatures around -2°C (28°F) and frigid lows plunging to -17°C (1°F). Additionally, August is relatively dry, receiving only 4 mm (0.2 in) of precipitation over a single day, in contrast to January, which receives significantly more rainfall—76 mm (3.0 in)—spread across 13 days. Humidity levels are also higher in January at 86%, compared to August's 63%. For a closer look at January's specific conditions, you can check Chelan weather in January.
August and February showcase stark contrasts in weather patterns. In August, temperatures range from a mild 7°C (45°F) at night to a scorching maximum of 38°C (100°F) during the day, with minimal rainfall of only 4 mm and relatively low humidity at 63%. In comparison, February brings much colder conditions, with temperatures plummeting to a minimum of -14°C (6°F) and peaking at 12°C (55°F). This month experiences significantly higher precipitation, with 62 mm spread over 11 days and increased humidity at 86%. For a more in-depth look at February weather in Chelan, visit Chelan weather in February.
August and March exhibit stark contrasts in weather conditions. In August, temperatures can soar to a maximum of 38°C (100°F) with an average of 22°C (71°F), offering a warm and dry climate, characterized by just 4 mm (0.2 in) of precipitation over only 1 day. In contrast, March brings cooler weather, with temperatures ranging from a chilly -15°C (6°F) at night to a maximum of 18°C (64°F) during the day, coupled with significantly higher precipitation of 41 mm (1.6 in) across 8 days. The humidity level in March is also notably higher at 87%, compared to August’s 63%, making March feel more damp and brisk. For more detailed insights into March weather, you can check out Chelan weather in March.
The weather in August typically boasts warmer temperatures than April, with averages around 22°C (71°F) compared to April's 8°C (47°F). While August can reach highs of 38°C (100°F), April's maximum is a milder 25°C (76°F). Additionally, August experiences significantly less precipitation, averaging only 4 mm (0.2 in) over just one day, unlike April, which sees 36 mm (1.4 in) spread over six days. Humidity levels also differ, with April being more humid at 84% compared to August's 63%. For a more detailed look at April weather, check out Chelan weather in April.
When comparing the weather between August and May, it's clear that August is significantly warmer, with average temperatures around 22°C (71°F) and highs reaching up to 38°C (100°F). In contrast, May has a cooler average temperature of 14°C (58°F), with maximums only reaching 31°C (87°F). Additionally, August experiences much lower precipitation, averaging just 4 mm (0.2 in) across one day, while May sees a notable increase in rainfall with 22 mm (0.9 in) spread over five days. Humidity levels also differ, with August at 63% and May higher at 81%. For more detailed insights on May weather specifically, you can visit Chelan weather in May.
In August, the weather in Chelan features a minimum temperature of 7°C (45°F) and an average of 22°C (71°F), reaching a maximum of 38°C (100°F). The month is relatively dry, with only 4 mm (0.2 in) of precipitation over just one day and humidity at 63%. In contrast, June has slightly cooler temperatures, with a minimum of 4°C (40°F), an average of 18°C (65°F), and a high of 43°C (109°F). Precipitation is more frequent in June, totaling 9 mm (0.4 in) over three days, accompanied by higher humidity at 82%. For a closer look at June's weather specifics, visit Chelan weather in June.
In comparing the weather of August and July, August tends to be slightly cooler overall. While both months share a similar average temperature of around 22°C (72°F), August features a lower minimum temperature of 7°C (45°F) compared to July's 9°C (48°F). Additionally, the maximum temperature in August reaches up to 38°C (100°F), slightly less than July's peak of 40°C (105°F). Precipitation is minimal in both months, with August receiving 4 mm (0.2 in) over 1 day and July recording only 2 mm (0.1 in) with no rainy days at all. Humidity levels are also lower in August, averaging 63% compared to July's higher 79%. For more details on July weather, you can visit Chelan weather in July.
August boasts warmer temperatures, with an average of 22°C (71°F) and a maximum reaching up to 38°C (100°F). The month experiences minimal precipitation, only 4 mm over just 1 day, and a humidity level of 63%. In contrast, September brings cooler weather, featuring an average temperature of 16°C (61°F) and a maximum of 35°C (96°F). This month sees significantly more rainfall, with 23 mm over 3 days, while humidity remains quite similar at 62%. For more details on September conditions, check out Chelan weather in September.
August and October bring distinctly different weather patterns. August tends to be warm, with average temperatures around 22°C (71°F) and a maximum reaching as high as 38°C (100°F). It also features minimal precipitation, with only 4 mm (0.2 in) over just a single day, along with a moderate humidity level of 63%. In contrast, October experiences much cooler temperatures, with an average of 8°C (47°F), and a maximum of 26°C (79°F). This month also sees significantly more precipitation, totaling 48 mm (1.9 in) across six days, and higher humidity at 83%. For more detailed information, you can check out Chelan weather in October.
August and November showcase stark contrasts in weather conditions. In August, temperatures can soar from a mild 7°C (45°F) at night to a sizzling maximum of 38°C (100°F) during the day, with very little precipitation—only about 4 mm (0.2 in) over just one day—and relative humidity sitting at a comfortable 63%. In sharp contrast, November experiences much cooler temperatures, ranging from a chilling minimum of -9°C (16°F) to a maximum of 15°C (60°F), with an average temperature of just 3°C (37°F). The month is significantly wetter, bringing about 57 mm (2.2 in) of precipitation over 12 days and higher humidity levels at 89%. For more detailed information on November weather, you can visit Chelan weather in November.
The weather in August and December presents a stark contrast, reflecting the seasonal changes. In August, temperatures range from a mild 7°C (45°F) at night to a scorching maximum of 38°C (100°F), accompanied by low precipitation of just 4 mm (0.2 in) over one day, and a humidity level of 63%. In contrast, December brings a chillier climate, with temperatures dipping as low as -19°C (-1°F) and peaking at only 14°C (58°F). The month is much wetter, with 70 mm (2.8 in) of rain spread over 12 days, and increased humidity at 88%. For more insights into December's weather, check out Chelan weather in December.
August in Chelan brings a distinct shift in weather, standing out with its warm temperatures and minimal rainfall. As the summer peaks, you can expect glorious days where the maximum temperature often reaches comfortably high levels, drawing visitors to enjoy the outdoors. Unlike the more humid and rainy months earlier in the year, August typically boasts just a single day of precipitation, allowing for plenty of sunshine and outdoor activities. With an average temperature that offers warmth without the extreme heat of previous months, August is a prime time for relaxation and leisure in the beautiful Chelan area. For a deeper dive into the climatic trends of this charming region, take a look at Chelan Climate.