Last updated: February 24, 2025
In August, Healdsburg experiences warm and dry weather, making it an ideal time for outdoor activities. With a maximum temperature soaring to 38°C (101°F) and an average of 21°C (71°F), the days can feel quite hot, while the nights cool down to a minimum of 10°C (51°F). Remarkably, the month sees no precipitation, highlighting its arid nature; residents benefit from a delightful humidity level of 66%, adding a touch of comfort to the summer heat. Enjoy the sun-drenched days and clear skies that define this vibrant season in Healdsburg!
In August, Healdsburg experiences warm and inviting temperatures, with minimums typically around 10°C (51°F), averaging 21°C (71°F), and peaking at a sizzling 38°C (101°F). This month stands out as one of the hottest of the year, aligning closely with the trends seen in July. The consistent warmth makes August an ideal time for outdoor activities, enticing locals and visitors alike to savor the region's natural beauty and vibrant wine culture. As summer reaches its zenith, the delightful heat provides a perfect backdrop for leisurely afternoons and fun-filled evenings under the stars, making it a memorable month in this charming Californian town.
In Healdsburg, August marks a distinctive lull in the region's precipitation pattern, as it typically witnesses no rainfall, mirroring the dry conditions of July. This stark absence of moisture is part of a broader trend that underscores the peak of summer, where the landscape basks under sunny skies and warm temperatures. Following the wetter months of winter and spring, where precipitation levels peak in January (139 mm) and February (155 mm), August’s dryness transitions into the dry season, paving the way for a brief reprieve before the rains return in the fall. This seasonal cycle highlights the stark contrast between the abundant rains earlier in the year and the arid conditions that characterize the height of summer in Sonoma County.
As summer reaches its peak, August in Healdsburg, United States, brings a welcome dip in humidity levels to 66%. This marks a significant decrease from the more humid months earlier in the year, where readings hovered around 80% or higher from January through July. Following the trend of the preceding months, August continues the gradual decline, setting the stage for a drier feel as fall approaches. Interestingly, this reduction in humidity provides a brief respite before levels tick up again slightly in September, suggesting a dynamic and shifting climate throughout the year. With the warm Californian sun embracing the town, August offers a comfortable balance that enhances the beauty of the local vineyards and outdoor activities.
In August, Healdsburg experiences a UV Index of 10, categorized as very high, which means sun exposure can lead to skin damage in as little as 15 minutes. This month marks a slight decrease from the peak UV Index of 11 seen in July, yet it still calls for vigilance against harmful rays. As summer peaks, the trend throughout the warmer months shows a consistent rise from a moderate January to extremes in June and July, highlighting the need for protective measures like sunscreen and shaded areas. As summer transitions into fall with September's UV Index dropping slightly to 9, residents and visitors should remain aware of the sun's intensity. Embrace the sunshine, but don’t forget to protect your skin! For more details, visit Healdsburg UV Index.
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August in Healdsburg, United States, brings a delightful continuation of summer warmth, showcasing 349 hours of sunshine. This is a slight dip from July’s peak of 390 hours, yet it remains significantly higher than the winter months. The trend reveals an upward trajectory in sunlight from the dreary days of January, where only 141 hours shine through. As spring blossoms into summer, daylight hours increase, peaking in July before gracefully transitioning into August. This gradual descent in sunlight hours signals a shift towards fall, yet the beautiful, sun-soaked days of August still offer plenty of opportunities for outdoor adventures and vineyard visits. As the seasons change, Healdsburg's sunshine continues to invite residents and visitors alike to savor the beauty of this charming locale.
In Healdsburg, the likelihood of sunny weather in August stands at an impressive 84%, making it one of the sunniest months of the year. Following a steady rise from January's 37%, the chance of sun climbs gradually, peaking in May before maintaining a high probability through the summer. With August temperatures still warm and a solid record of sunshine, this month perfectly captures the essence of California's vibrant summer, allowing residents and visitors alike to bask in its sun-kissed days. As summer starts to fade in September, the likelihood of sun drops to 76%, so August truly is a prime time to soak up the warmth.
In August, Healdsburg basks in 13 hours of daylight, marking a slight decrease as the summer months begin to wane. Following the peak of 14 hours in both June and July, this gradual tapering reflects the transition into the early fall, where daylight hours start to diminish. The pattern reveals a steady increase from 9 hours in January to a summer maximum, and now the slow descent preps us for the shorter days of September with 12 hours. This rhythm of daylight not only enhances the vibrant outdoor activities during peak summer but also signals the approaching harvest season, making August a pivotal time in Healdsburg's year.
In August, Healdsburg experiences a gentle breeze with an average wind speed of 1.9 m/s (4 mph), aligning with the calmer winds typically seen in July and September. Throughout the summer months, wind speeds peak in May at 2.9 m/s (6 mph), offering a subtle taste of refreshment before settling back to a more tranquil pace. As the year progresses from spring to winter, there is a noticeable fluctuation, with the winds generally tapering down, reaching their lowest point in November at just 1.5 m/s (3 mph). This trend illustrates how Healdsburg's August air remains pleasantly mild, making it an ideal time to enjoy the region's beautiful outdoor offerings without the distraction of blustery winds.
The weather in Healdsburg 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 Healdsburg and find detailed weather information for every month.
August and January showcase a stark contrast in weather conditions. In August, temperatures range from a pleasant 10°C (51°F) at night to a sweltering 38°C (101°F) during the day, with an average of 21°C (71°F). This month is notably dry, with zero precipitation and a humidity level of 66%. On the other hand, January brings cooler temperatures, dipping as low as -2°C (28°F) and averaging 9°C (49°F), with daytime highs of 24°C (75°F). January is also significantly wetter, with about 139 mm (5.5 in) of precipitation over eight days, resulting in a higher humidity level of 86%. For more insights, check out Healdsburg weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures range from a refreshing 10°C (51°F) at night to a scorching 38°C (101°F) during the day, with an average of 21°C (71°F) and no recorded precipitation, resulting in dry and humid conditions with a humidity level of 66%. In stark contrast, February sees much cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 26°C (80°F), averaging at 10°C (50°F). This month experiences significant precipitation of 155 mm (6.1 in) over 8 days, contributing to a higher humidity level of 84%. For a detailed look at February’s weather patterns, you can check out Healdsburg weather in February.
When comparing the weather in August and March, notable differences emerge in both temperature and precipitation. August boasts significantly warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 38°C (101°F), all while enjoying dry conditions and no recorded precipitation. In contrast, March experiences cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 28°C (83°F), accompanied by substantial rainfall averaging 97 mm (3.8 in) over 11 days. Additionally, March is marked by higher humidity levels at 83%, compared to August's 66%. For a detailed look at March weather, you can visit Healdsburg weather in March.
August in Healdsburg is characterized by warm temperatures, with a range from a cool 10°C (51°F) to a scorching maximum of 38°C (101°F), and the weather remains dry with no recorded precipitation. In contrast, April offers a more moderate climate, marked by a minimum temperature of 3°C (37°F) and a pleasant average of 14°C (57°F), but with the likelihood of rain, totaling 45 mm (1.8 in) over about five days. Additionally, humidity levels are slightly lower in August at 66%, compared to the higher 80% in April, creating a distinct contrast in the feel of the two months. For more detailed information, you can check Healdsburg weather in April.
When comparing the weather in August and May, it's clear that August offers much warmer temperatures, with average highs reaching 21°C (71°F) and soaring up to 38°C (101°F), while May's temperatures are cooler, averaging 17°C (62°F) with a maximum of 35°C (96°F). Additionally, August is characterized by a dry climate, recording no precipitation over the month, whereas May experiences some rainfall, averaging 27 mm (1.1 in) over three days. Humidity levels are also higher in May, at 80%, compared to August's more comfortable 66%. For a closer look at the specifics of May weather in Healdsburg, you can check out Healdsburg weather in May.
In comparing the weather between August and June, both months exhibit warm average temperatures around 21°C (69°F to 71°F), but August tends to be slightly warmer overall. While June can reach a maximum of 40°C (105°F), August's temperatures peak at an even higher 38°C (101°F). Interestingly, neither month experiences significant precipitation, with August recording 0 mm (0.0 in) and June only slightly higher at 2 mm (0.1 in); both months have zero rainy days. Humidity levels are also higher in June at 76%, compared to August's 66%, making June feel a bit more muggy. For a detailed look at June’s weather patterns, you can visit Healdsburg weather in June.
In comparing the weather of July and August, we see that both months experience similar temperature extremes, with maximums reaching up to 38°C (101°F). However, August tends to be slightly cooler on average, with temperatures ranging from a minimum of 10°C (51°F) to an average of 21°C (71°F), while July's range is from a minimum of 11°C (53°F) to an average of 22°C (71°F). Both months are notably dry, recording no precipitation, and have high humidity levels, although August is marginally less humid at 66% compared to July's 70%. For a detailed look at July weather, you can visit Healdsburg weather in July.
August and September showcase a subtle transition in weather patterns. In August, temperatures range from a minimum of 10°C (51°F) to a maximum of 38°C (101°F), with an average of 21°C (71°F) and no recorded precipitation. The humidity stands at 66%, contributing to warm days. In contrast, September sees a slight decrease in the minimum temperature to 7°C (45°F) and an average of 20°C (69°F), while the maximum temperature can rise to 41°C (105°F). Although September records a minimal 2 mm (0.1 in) of precipitation, the humidity increases to 68%. For more detailed insights, please visit Healdsburg weather in September.
In comparing the weather of August and October, one can see a notable shift in temperature and precipitation. August boasts a warm atmosphere, with minimum temperatures around 10°C (51°F) and average highs reaching up to 38°C (101°F), along with zero precipitation and a humidity level of 66%. In contrast, October introduces cooler temperatures, with a minimum of 3°C (38°F) and an average high of 35°C (96°F). This month also experiences some rainfall, totaling 41 mm (1.6 in) over two days, and a slight increase in humidity to 72%. For a detailed view of what October brings, you can check out Healdsburg weather in October.
August and November present a stark contrast in weather patterns. In August, temperatures can soar with a minimum of 10°C (51°F) and a maximum reaching up to 38°C (101°F), showcasing a dry climate with no recorded precipitation and an average humidity of 66%. In contrast, November brings cooler temperatures, with lows dipping to -1°C (30°F) and highs of 28°C (83°F), alongside significant precipitation of 58 mm (2.3 in) over five days, resulting in a much higher humidity of 84%. For more detailed insights, you can check Healdsburg weather in November.
August and December present contrasting weather conditions, showcasing the extremes of summer and winter. In August, temperatures can soar with a minimum of 10°C (51°F) and a maximum reaching up to 38°C (101°F), accompanied by low humidity levels at 66% and no recorded precipitation. Conversely, December brings a chill, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 23°C (73°F). The month sees significant precipitation, averaging 101 mm (4.0 in) over 8 days, along with increased humidity at 84%. For more detailed insights about December weather, visit Healdsburg weather in December.
As summer reaches its peak in Healdsburg, August stands out with its warm, dry weather that contrasts sharply with the cooler and often wetter months that precede it. With remarkable maximum temperatures soaring high, averaging around 21°C during the day and gracefully dipping at night, this month offers a perfect backdrop for outdoor activities without the interference of rainfall—0 mm of precipitation and 0 rainy days are a welcome reprieve. The comfortable humidity adds a pleasant touch to the overall warmth, making it an ideal time to explore the beautiful vineyards and scenic landscapes. To discover more about how August's climate plays a role in the region's yearly weather patterns, visit Healdsburg Climate.