Last updated: February 24, 2025
In October, Big Sur experiences a delightful blend of mild temperatures and crisp coastal air. With a maximum of 31°C (88°F) and an average of 15°C (59°F), the weather invites outdoor exploration, while minimums can dip to 7°C (45°F) during cooler nights. The month typically sees only 21 mm (0.8 in) of rain, falling on just one day, allowing for plenty of sunshine. Humidity levels hover around 62%, adding to the region's refreshing charm, making it an ideal time for visitors to experience the breathtaking scenery and vibrant landscapes of this iconic destination.
In Big Sur, October marks a delightful transition, showcasing an impressive range of temperatures that hint at the heart of autumn. With minimum temperatures averaging 7°C (45°F) and rising to a warm 31°C (88°F), this month stands out with its remarkable maximum temperatures, reflecting a trend where summer's warmth lingers a little longer. The average temperature of 15°C (59°F) represents a comfortable climate perfect for exploring the stunning coastal scenery. As the days grow shorter and the air cools slightly from the peak summer heat, October offers visitors the perfect blend of crisp mornings and pleasantly warm afternoons—an ideal backdrop for hiking the picturesque trails or soaking in the breathtaking ocean views.
October in Big Sur marks a subtle transition in precipitation patterns, as the beautiful coastal region begins to prepare for the wetter months ahead. With an average rainfall of 21 mm (0.8 in) falling over just 1 day, October remains relatively dry compared to the winter months. This slight uptick in precipitation hints at the seasonal shift, following a notably dry summer where July and August reported virtually no rain. These early autumn showers set the stage for the heavier rainfall to come in November and December, as the landscape transitions from the warm, sun-drenched days of summer to the refreshing embrace of the rainy season.
In Big Sur, United States, October brings a noticeable shift in humidity levels, with an average of 62%. This increase follows the drier months of July and August, which recorded their lowest humidity levels at 58% and 54%, respectively. As the seasons change, humidity begins to rise again in the fall, reflecting a gradual transition towards the wetter months ahead. September, with a humidity of 55%, serves as a gentle lead-in to October’s more humid conditions. This trend continues into the winter months, where humidity levels jump significantly, peaking at 84% in February. Overall, the data illustrates a clear seasonal pattern: as summer wanes, humidity in Big Sur steadily rises, preparing the region for its lush, rainier seasons ahead.
As October unfolds in Big Sur, the UV Index begins to taper from the summer extremes but still holds a notable 7 on the scale, classifying it as high exposure. This represents a gradual decline from the peak conditions of early summer, where the Index soared to 12, necessitating a burn time of just 10 minutes. In contrast, September recently reflected a 9 on the Index, indicating very high exposure. As fall progresses, the burn time increases to 25 minutes, offering a bit more leeway for sun-seekers compared to the sizzling summer months. Nevertheless, it’s essential to remain vigilant; even in October, the sun’s intensity warrants protective measures. For those keen on planning outdoor activities, being aware of the UV conditions can help ensure a safe experience in this stunning coastal paradise. For more detailed information, check out Big Sur UV Index.
UV Risk Categories
October in Big Sur offers a delightful respite as the sun graces the coast with 289 hours of sunshine. This month marks a transition into autumn, showcasing a decrease from the peak summer months of June and July, which boast over 376 and 388 hours respectively. However, the warmth lingers, making October a beautiful blend of fading summer light and crisp fall air. As the days grow shorter, they still outshine the earlier months of the year, such as January with just 163 hours. Visitors can bask in the stunning coastal views, knowing that even as the year begins to unwind, the sun continues to illuminate the breathtaking landscapes of Big Sur.
In Big Sur, October offers a delightful transition into fall, boasting a 64% chance of sunny weather. This percentage highlights a noticeable dip from the summer's peak, where sunny days reached up to 80% in August. Interestingly, as we move from late summer into early autumn, the likelihood of sunny skies in October maintains a respectable level, standing out among the earlier months such as January (47%) and December (45%). The trend indicates a gradual increase in sunshine from the dreariness of winter, peaking during the summer months before starting to taper off in the fall. Overall, October strikes a balance, providing ample opportunities for outdoor enjoyment amid the spectacular scenery of the coastline.
In October, Big Sur experiences a gentle decline in daylight, offering about 11 hours of sunlight. This reduction marks a transition from the longer days of summer, which peak in June and July with 14 hours of daylight. As the year progresses from October into the darker months, the daylight hours steadily diminish, shifting from the vibrant light of May and June to November's shorter 10 hours and ultimately back to January's 9 hours. This rhythmic ebb and flow of daylight is a beautiful reminder of the changing seasons, enhancing the stunning coastal views of Big Sur as it gracefully prepares for winter's approach.
In October, the winds in Big Sur begin to transition from the summer's gentle breezes, averaging 3.7 m/s (8 mph)—a modest increase from late summer but lower than the spring highs. After the relatively calm months of August and September, which recorded wind speeds of just 3.2 m/s (7 mph), October breathes new life into the landscape, with a refreshing yet subtle increase in airflow. This pattern follows the trend of a steady rise in wind speeds from the depths of winter through the vibrant spring, peaking in late spring or early summer before tapering off into the softer summer months. As autumn settles in, the winds spark a sense of change in the air, heralding the tranquil yet dynamic beauty that Big Sur is renowned for.
The weather in Big Sur changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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.
In October, the weather tends to be warmer and drier, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F) and an average of 15°C (59°F). This month experiences only about 21 mm (0.8 in) of precipitation over just one day, with a relative humidity of 62%. In contrast, January brings cooler temperatures, with a minimum of 3°C (38°F), an average of 10°C (51°F), and a maximum of 20°C (69°F). The winter month is significantly wetter, receiving around 140 mm (5.5 in) of rain over eight days, and higher humidity levels at 82%. For more details on January weather in Big Sur, you can visit Big Sur weather in January.
October typically experiences milder temperatures compared to February, with minimums around 7°C (45°F) and a comfortable average of 15°C (59°F), peaking at 31°C (88°F). In contrast, February brings cooler temperatures, with lows of 2°C (36°F) and an average of 10°C (51°F), not exceeding 23°C (74°F). Additionally, October sees much less precipitation, averaging only 21 mm (0.8 in) over just one day, while February is significantly wetter, receiving around 120 mm (4.7 in) spread across nine days. The humidity is also higher in February at 84%, compared to October's 62%. For more details on February weather, you can check out Big Sur weather in February.
October and March exhibit distinct weather patterns. October experiences warmer temperatures with a minimum of 7°C (45°F) and an average of 15°C (59°F), peaking at a comfortable 31°C (88°F). In contrast, March is cooler, showcasing a minimum of 4°C (39°F) and an average of 10°C (51°F), with a maximum reaching only 21°C (70°F). Additionally, October records merely 21 mm (0.8 in) of precipitation over one day, while March sees a significant increase in rainfall, accumulating 109 mm (4.3 in) over 13 days. This results in higher humidity levels in March, at 82%, compared to October's 62%. For more details on the weather during this spring month, explore Big Sur weather in March.
When comparing October and April weather, it's clear that both months offer distinct climates. October generally experiences milder temperatures, with an average of 15°C (59°F) and maximums reaching 31°C (88°F), while April's average temperature is cooler at 11°C (53°F) and peaks at 25°C (78°F). Additionally, October sees significantly lower precipitation levels at 21 mm (0.8 in) over just 1 day, in contrast to April, which has 33 mm (1.3 in) spread out over 5 days. Humidity levels are also higher in April at 78%, compared to 62% in October. For a more detailed outlook, you can check Big Sur weather in April.
In October, the weather is generally warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), while May sees slightly cooler temperatures with a minimum of 5°C (42°F) and a maximum of 24°C (75°F). The humidity in October averages 62%, making it relatively comfortable compared to May's higher humidity at 71%. Both months experience similar levels of precipitation, with October receiving 21 mm (0.8 in) over just one day and May a bit more, at 23 mm (0.9 in) over three days. For those interested in specific details about the climate during this time, check out Big Sur weather in May.
In October, the weather experiences a wider range of temperatures, with minimums around 7°C (45°F) and maximums reaching up to 31°C (88°F), resulting in an average temperature of 15°C (59°F). While it sees slightly more precipitation at 21 mm (0.8 in) over one day, humidity remains moderately comfortable at 62%. In contrast, June is generally cooler, featuring an average temperature of 14°C (58°F) with a maximum of 27°C (81°F), and minimal precipitation of only 2 mm (0.1 in) across zero rainy days. Humidity in June is slightly higher at 64%, contributing to a pleasant, summery feel. For more detailed weather insights, you can explore Big Sur weather in June.
In October, the weather displays a broader temperature range, with minimums dropping to 7°C (45°F) and maximums reaching up to 31°C (88°F), averaging around 15°C (59°F). This month experiences some precipitation, totaling 21 mm (0.8 in) over just one day, and a humidity level of 62%. In contrast, July shows more stable and milder conditions, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 24°C (75°F), while maintaining the same average of 15°C (60°F). Remarkably, July enjoys negligible precipitation with only 1 mm (0.0 in) and no rainy days, along with slightly lower humidity at 58%. For an in-depth look at July's climate, you can check Big Sur weather in July.
When comparing the weather in October to that of August, October experiences a broader range of temperatures, with nighttime lows dropping to 7°C (45°F) and daytime highs reaching up to 31°C (88°F). In contrast, August maintains milder temperatures, registering a minimum of 11°C (51°F) and a maximum of 28°C (82°F). Additionally, October has higher humidity levels at 62% compared to August's 54%, and sees a slight increase in precipitation, averaging 21 mm (0.8 in) over just one day, while August remains dry with no recorded rainfall. For more specific insights, you can check the details here: Big Sur weather in August.
In comparing the weather of October and September, October presents a slightly cooler profile, with minimum temperatures dropping to 7°C (45°F) compared to September's 9°C (49°F). The average temperature in October is 15°C (59°F), just a bit lower than September's average of 16°C (62°F). While September features a higher maximum temperature of 33°C (91°F) against October's 31°C (88°F), October sees a bit more rain with 21 mm (0.8 in) of precipitation over one day, whereas September remained dry with only 4 mm (0.2 in) of precipitation across the month. Additionally, humidity levels are higher in October at 62% compared to September's 55%. For a detailed look at the weather trends in September, you can visit Big Sur weather in September.
In October, the weather tends to be warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), and only 21 mm (0.8 in) of precipitation over just 1 day. This month often sees a comfortable humidity level of 62%. In contrast, November brings cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 24°C (75°F), along with increased precipitation of 43 mm (1.7 in) over 5 days. The humidity also rises, reaching 78%. For a closer look at the weather conditions during this time, you can check out Big Sur weather in November.
In October, temperatures can range significantly, with a minimum of 7°C (45°F) and a maximum of 31°C (88°F), averaging around 15°C (59°F). This month sees relatively low precipitation, with only 21 mm (0.8 in) over just one day, and humidity levels at a comfortable 62%. In contrast, December experiences cooler temperatures with a minimum of 4°C (40°F) and a maximum of 23°C (74°F), averaging 11°C (52°F). The month is notably wetter, with precipitation totaling 118 mm (4.6 in) across nine days and higher humidity levels at 80%. For a more detailed look at what to expect, check out Big Sur weather in December.
In October, Big Sur experiences a delightful transition, characterized by mild temperatures that hover around an average of 15°C (59°F). Unlike the soaring summer heat, which can reach up to 31°C (88°F), this month offers a refreshing reprieve with cooler evenings dropping to 7°C (45°F). The precipitation is minimal, with only a single day recording about 21 mm (0.8 in), meaning the chances of rain are quite low. Coupled with a humidity level of 62%, October is ideal for outdoor exploration and enjoying the stunning coastal views without the summer crowds. For a deeper dive into what to expect year-round, check out Big Sur Climate.