Last updated: February 24, 2025
In August, Big Sur offers visitors a delightful climate characterized by maximum temperatures reaching up to 28°C (82°F), while the average settles comfortably at 16°C (62°F). With a minimum of 11°C (51°F), the nights remain pleasantly cool. Remarkably, the area experiences barely any rain, recording only 1 mm of precipitation without any rainy days, making it an ideal time for outdoor exploration. Additionally, the humidity levels hover around 54%, contributing to the region's refreshing atmosphere. Whether you're hiking along the breathtaking coastline or enjoying the scenic vistas, August in Big Sur promises a spectacular experience for all.
In August, Big Sur experiences a lovely warmth, with temperatures typically ranging from a minimum of 11°C (51°F) to a maximum of 28°C (82°F). This peak marks the height of summer, as the average temperature rises to a pleasant 16°C (62°F). As the year progresses, temperatures demonstrate a clear upward trend from the cooler winter months, with significant increases noted from January through July. Interestingly, August stands out as a transition point; while it retains warmth, the subsequent month brings a notable dip in minimum temperatures. The overall climate in August invites outdoor enthusiasts to explore the stunning coastal scenery while basking in the summer sun, making it an ideal time to visit this breathtaking region.
In August, Big Sur experiences a stark shift in its precipitation patterns, with just 1 mm (or 0.0 inches) of rainfall recorded, mirroring the dry spells of July. This dry stretch marks the peak of summer, where the lush landscapes bask in the sun, exhibiting minimal moisture. Notably, August joins June and July in the trend of zero rainy days, indicating a pronounced summertime drought that allows for vibrant outdoor activities but can raise concerns about water availability. As the year progresses towards September, the region hints at a slight uptick in precipitation, suggesting a return to more typical patterns as autumn sets in.
In August, Big Sur experiences a notable dip in humidity, reaching 54%, which is the lowest point of the year. This decline follows a gradual decrease from the high humidity levels typically seen in the winter months, where values linger around 82% to 84% from January to March. As the seasons transition into summer, humidity levels steadily lower, peaking in July at 58% before the August drop. After this point, humidity begins to creep back up in the fall, suggesting a cyclical pattern influenced by the region's temperate climate. The shift to lower humidity in August offers visitors a refreshing coastal experience, ideal for outdoor activities while still embracing the natural beauty of Big Sur.
In August, Big Sur experiences a notable UV Index of 11, categorizing it in the extreme exposure range, which means that residents and visitors alike should be particularly cautious, with a burn time of just 10 minutes. This high index continues the trend set over the previous months of June and July, both also registering at 11. Looking back throughout the year, one can see a marked increase in UV exposure from the earlier months: January and February are relatively safe with moderate indices of 4 and 5, while the summer months escalate quickly, culminating in the extreme values of late spring and summer. Thus, planning outdoor activities in August should come with a strong emphasis on sun protection. For more details, check out the full Big Sur UV Index.
UV Risk Categories
In Big Sur, August serves up a delightful slice of sunshine, boasting 357 hours of radiant daylight. This month follows the peak of summer, where July shines brightest with 388 hours of sun, highlighting a gradual yet soothing decline into autumn. As the days transition from the height of summer, August retains a generous amount of sunshine compared to the earlier months of the year, such as January's mere 163 hours. Notably, the region experiences a steady increase in sunshine from February's 220 hours onward, reaching its zenith in July before gently tapering off in the fall. With its picturesque landscapes bathed in warmth, August encapsulates the beauty of summer's lingering embrace in this stunning coastal paradise.
August in Big Sur, United States, shines brightly in terms of sunny weather, boasting an impressive 80% chance of sunshine. This marks a significant increase compared to the earlier months of the year, where the likelihood of sun hovers around 47%-73% from January through July. As summer reaches its peak, the promise of clear skies makes August one of the sunniest months. Following this high point, the probability gradually tapers off in September at 79% and further declines into the fall months. In summary, if you’re seeking warmth and clear days, August's sunny disposition clearly stands out in the annual climate trends of Big Sur.
In Big Sur, United States, the daylight duration experiences a seasonal ebb and flow throughout the year. August, with its 13 hours of daylight, marks a slight decline from the peak of 14 hours seen in the summer months of June and July. This gradual tapering off signifies the transition towards shorter days as autumn approaches. Prior to August, there’s a steady increase in daylight from just 9 hours in January to the summer high, showcasing the enchanting longer days that characterize the region’s warmer months. As the year progresses, daylight dips down to 12 hours in September and continues its descent towards winter, weaving a beautiful tapestry of light and shadow that defines the coastal landscape of Big Sur.
In August, the winds in Big Sur shift to a gentle lull, boasting an average speed of just 3.2 m/s (7 mph), making it one of the calmest months of the year. As summer peaks, the winds have gradually tapered off since May, where they reached their height at 4.9 m/s (11 mph). This notable decline in wind speed hints at the region settling into a serene summer embrace. Following August, the winds remain steady at the same speed into September, before slightly picking up again in October. This seasonal trend highlights a soothing transition towards the fall, inviting visitors to relish in the tranquil beauty of Big Sur’s coastline during these quieter, breezier months.
The weather in Big Sur 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 Big Sur and find detailed weather information for every month.
August and January present quite contrasting weather conditions. In August, temperatures range from a minimum of 11°C (51°F) to a comfortable maximum of 28°C (82°F), with an average of 16°C (62°F). The month is notably dry, receiving only 1 mm of precipitation over zero rainy days and a humidity level of 54%. In stark contrast, January experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 20°C (69°F), averaging 10°C (51°F). This month is much wetter, with significant precipitation of 140 mm (5.5 in) spread over 8 days and a higher humidity level of 82%. For a detailed look at the January climate, you can visit Big Sur weather in January.
The weather in August is characterized by relatively warm temperatures, with a minimum of 11°C (51°F), an average of 16°C (62°F), and a maximum of 28°C (82°F), coupled with very low precipitation levels at just 1 mm. This results in dry conditions and moderate humidity at 54%. In stark contrast, February experiences much cooler temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 23°C (74°F), and significantly higher precipitation levels of 120 mm over nine rainy days, creating a much more humid environment at 84%. For more detailed information on February weather, you can visit Big Sur weather in February.
August and March exhibit stark contrasts in weather patterns. August enjoys warmer temperatures, with minimums around 11°C (51°F) and maximums reaching up to 28°C (82°F), accompanied by low precipitation at just 1 mm and no rainy days. This results in a pleasantly moderate average temperature of 16°C (62°F) and relatively low humidity at 54%.
In contrast, March is markedly cooler, starting with a minimum temperature of 4°C (39°F) and a maximum of 21°C (70°F), leading to a lower average of 10°C (51°F). March is significantly wetter, experiencing 109 mm of rain over 13 days, which raises the humidity level to a substantial 82%. For those wanting to know more about the specific weather conditions during March, see Big Sur weather in March.
When comparing the weather in August and April, there is a notable contrast in temperature and humidity. August boasts milder conditions with minimum temperatures around 11°C (51°F) and a pleasant average of 16°C (62°F), peaking at 28°C (82°F). In contrast, April starts cooler, with minimum temperatures dropping to 5°C (41°F) and an average of 11°C (53°F), though it can still reach a maximum of 25°C (78°F). Additionally, April experiences significantly more rainfall, with 33 mm (1.3 in) over five days, compared to August’s dry spell with only 1 mm (0.0 in) and no rainy days. This results in a higher humidity level in April at 78%, compared to August’s more comfortable 54%. For a detailed look at conditions during April, you can check out Big Sur weather in April.
When comparing the weather in August and May, notable differences emerge. August typically boasts warmer temperatures, with an average of 16°C (62°F) and a maximum of 28°C (82°F), while May offers cooler temperatures, averaging 12°C (54°F) and peaking at 24°C (75°F). Humidity levels also vary, as August has a more comfortable humidity of 54%, compared to May’s higher level of 71%. Additionally, while August enjoys dry conditions with virtually no precipitation, May experiences more rainfall, accumulating 23 mm over three days. For a detailed look at the climate during May, you can visit Big Sur weather in May.
When comparing the weather in August and June, August generally offers warmer temperatures, with a minimum of 11°C (51°F) and an average of 16°C (62°F), peaking at a maximum of 28°C (82°F). In contrast, June has cooler temperatures, with a minimum of 7°C (45°F) and an average of 14°C (58°F), reaching a maximum of 27°C (81°F). While both months experience minimal precipitation—with August seeing only 1 mm and June slightly higher at 2 mm—August enjoys slightly less humidity at 54% compared to June's 64%. For more specific information about June weather in the region, you can refer to Big Sur weather in June.
In comparing the weather of August and July, August tends to be slightly warmer, with average temperatures rising from 15°C (60°F) in July to 16°C (62°F). The maximum temperature in August also increases to 28°C (82°F), compared to July's maximum of 24°C (75°F). Both months experience minimal precipitation, each recording only 1 mm with no rainy days. However, August has a lower humidity level of 54% compared to July's 58%, contributing to a generally more comfortable feel during the latter summer month. For a more detailed look at July weather in the region, check out Big Sur weather in July.
August generally offers mild weather with an average temperature of 16°C (62°F) and maximums reaching up to 28°C (82°F). The month is characterized by minimal precipitation and pleasant humidity levels around 54%. In contrast, September showcases a slightly cooler minimum temperature of 9°C (49°F) but can peak at a warmer 33°C (91°F), leading to a more substantial temperature range. Despite a slight increase in precipitation to 4 mm (0.2 in), the humidity rises slightly to 55%. For a more detailed look at the weather in September, visit Big Sur weather in September.
The weather in August tends to be warmer and drier compared to October. With an average temperature of 16°C (62°F) and a maximum of 28°C (82°F), August enjoys a comfortable summer ambiance, featuring minimal precipitation at just 1 mm over the entire month. In contrast, October sees cooler temperatures, with averages dropping to 15°C (59°F) and daytime highs reaching up to 31°C (88°F). October also experiences an increase in precipitation, totaling 21 mm (0.8 in) over one day, and slightly higher humidity at 62%. For more insights on the variations in climate, check out Big Sur weather in October.
In August, the weather typically showcases mild temperatures, with a minimum of 11°C (51°F) and an average of 16°C (62°F), peaking at a warm 28°C (82°F). This month is characterized by minimal precipitation, averaging only 1 mm with no rainy days, and a comfortable humidity level of 54%. In contrast, November brings a notable drop in temperatures, where the minimum is 4°C (40°F) and the average falls to 13°C (55°F), with a maximum of 24°C (75°F). November is much wetter, receiving 43 mm of precipitation over five days, and features higher humidity at 78%. For more detailed insights on this month's weather, check out Big Sur weather in November.
In August, the weather is generally mild and pleasant, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 28°C (82°F) and an average of 16°C (62°F). The month is characterized by minimal precipitation, receiving just 1 mm over no rainy days, and a relatively comfortable humidity level of 54%. In contrast, December brings a noticeable shift, with lower temperatures ranging from a minimum of 4°C (40°F) to a maximum of 23°C (74°F), averaging at 11°C (52°F). This month is much wetter, experiencing 118 mm of precipitation over 9 days, and higher humidity levels at 80%. For more details on December weather in the area, you can visit Big Sur weather in December.
August in Big Sur offers a delightful reprieve from the summer heat, characterized by mild temperatures that encourage outdoor adventures along the stunning coastline. With negligible precipitation and low humidity, the month stands out as one of the driest times of the year, allowing visitors to enjoy clear skies and pleasant conditions. Unlike the cooler months that bring more cloud cover and moisture, August provides a vibrant atmosphere perfect for exploring the natural beauty of the area. For those interested in understanding the broader climate trends, check out Big Sur Climate.