Last updated: February 24, 2025
In October, San Antonio experiences a striking variation in weather, with temperatures ranging from a maximum of 37°C (98°F) to a refreshing minimum of 3°C (37°F). The average temperature hovers around 22°C (72°F), providing a comfortable climate for outdoor activities. However, this month also sees 89 mm (3.5 in) of rainfall over approximately 10 days, contributing to a relatively high humidity level of 74%. The combination of warm days and cooler nights, along with occasional rain, makes October a dynamic and diverse month in this vibrant Texan city.
In October, San Antonio experiences a delightful transition, with temperatures offering a pleasant reprieve from the summer heat. The month showcases a minimum temperature of 3°C (37°F), while daytime warmth escalates to an average of 22°C (72°F) and peaks at a maximum of 37°C (98°F). This marks a notable shift, as it contrasts sharply with the hotter summer months, yet still retains some residual warmth. As the days grow shorter and cooler, October invites residents and visitors alike to enjoy outdoor activities in a refreshing climate, setting the stage for the cooler months to come. The gradual decrease in temperature from September to October highlights the distinct seasonal change that San Antonio embraces, making it a charming time to explore the city's vibrant culture.
In October, San Antonio experiences a significant uptick in precipitation, with an average of 89 mm (3.5 in) over approximately 10 days of rain. This marks a noticeable increase from the relatively dry summer months, like July and August, where rainfall was lower at 69 mm (2.7 in) and 56 mm (2.2 in), respectively. The pattern suggests that as temperatures begin to cool, the city transitions into its wet season, with October often bringing a peak in humidity and storm activity. This trend culminates in a lush fall landscape, contrasting sharply with the earlier dry spells and setting the stage for the wetter months ahead. Overall, October serves as a pivotal month in San Antonio's climatological cycle, balancing the drier summer with a refreshing surge of early autumn rains.
In October, San Antonio experiences a notable shift in humidity levels, averaging 74%. This figure stands as a welcome reprieve from the sweltering summer months, where humidity dipped to 58% in August and 66% in July. As the year transitions toward winter, October's humidity aligns more closely with the early spring months of March and April, which recorded 74% and 76% respectively. The trend illustrates how San Antonio’s climate retains a certain moisture even as temperatures begin to cool, ultimately setting the stage for the more humid conditions of November and December, which see much higher averages of 81% and 86%. This cyclical ebb and flow of humidity underscores the city's unique weather patterns as it navigates through the changing seasons.
As October unfolds in San Antonio, residents can expect a very high UV Index of 9, signaling a shift from the extreme levels experienced in the peak summer months. With a burn time of just 15 minutes, it's important to take precautions when enjoying the outdoors. This month's UV Index is a notable decrease from the sizzling peaks of 12 in June, July, and August, yet still higher than the more moderate conditions seen in January and December. Overall, the trend from summer to fall showcases a gradual easing of sun intensity, but caution remains essential to protect skin against potential harm. For more details on UV levels and safety tips, check out San Antonio UV Index.
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As the warmth of October settles over San Antonio, the city basks in an impressive 264 hours of sunshine, marking a delightful transition from the long, sun-soaked days of summer. After experiencing peak sunlight in July with 344 hours, the gradual decline in sunshine hours is matched by a season embracing cooler temperatures and vibrant fall colors. October's sunlight slightly dips from the height of summer but remains significantly higher than earlier months like January and February, which offer a mere 169 and 162 hours respectively. This trend reinforces San Antonio's reputation for abundant sunshine, making October an ideal time for outdoor activities, festivals, and enjoying the picturesque landscapes that the season brings.
In San Antonio, October offers a 52% chance of sunny weather, making it a delightful time to enjoy the outdoors. This month sits comfortably between the late summer heat of September, which boasts a 61% chance of sun, and the cloudier days of winter, where November holds a 53% chance. Contrary to the trend of decreasing sunlight from May, which dips to 34%, October signifies a brighter transition, bringing pleasant conditions for outdoor activities. As fall settles in, residents and visitors alike can anticipate a mix of sunny days, perfect for enjoying the city's vibrant seasonal festivities.
As October unfolds in San Antonio, the city experiences a gentle decline in daylight duration, transitioning from the sun-soaked peaks of summer. With 11 hours of daylight, this month marks a subtle shift from the vibrant 13 hours enjoyed during the warm summer months of June through August. While the days are still pleasantly long, the sunlight gradually softens, hinting at the approaching cooler season. This trend of decreasing daylight continues into November and December, where San Antonio will see just 10 hours, echoing the winter's arrival. The rhythmic ebb and flow of daylight not only signals seasonal change but also invites residents to embrace the beauty of autumn in Texas.
As October arrives in San Antonio, the wind begins to whisper softly, averaging around 2.9 m/s (6 mph). This slight shift marks a continuation of the gentle breeze that has characterized the latter months of summer, where both July and August recorded similar calmness at 2.6 m/s (6 mph). The transition into autumn doesn't yet herald the energetic gusts seen in spring, as the average wind speeds remain notably lower than earlier in the year. However, as the city approaches the cooler months, one can expect the winds to gradually rise again, bringing a refreshing change after the heat of summer. This soothing pattern in October creates a perfect backdrop for outdoor activities, inviting residents to enjoy the crisp air as they prepare for the vibrant fall season.
The weather in San Antonio 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 San Antonio and find detailed weather information for every month.
In October, temperatures in San Antonio range from a cool 3°C (37°F) at night to a warm 37°C (98°F) during the day, with an average temperature of 22°C (72°F). The month is relatively humid at 74% and receives about 89 mm (3.5 in) of precipitation over approximately 10 days. In contrast, January sees much cooler temperatures, with minimums dropping to -7°C (20°F) and daytime highs averaging 11°C (53°F), reaching up to 27°C (81°F). Precipitation in January is lower, totaling 44 mm (1.7 in) spread across just 6 days, and the humidity increases slightly to 79%. For more detailed information on January weather, you can check out San Antonio weather in January.
October and February present stark contrasts in weather conditions. October enjoys a warm climate with average temperatures reaching up to 22°C (72°F) and maximums soaring as high as 37°C (98°F). While it experiences some rainfall, totaling 89 mm (3.5 in) over approximately 10 days, humidity is relatively moderate at 74%. In contrast, February is much cooler, with average temperatures around 13°C (55°F), and it can drop to a chilling minimum of -12°C (10°F). Though it has lower precipitation (58 mm or 2.3 in) over the same number of days, February's humidity levels rise slightly to 79%. For more details on February weather patterns, check out San Antonio weather in February.
In comparing October and March weather, October generally offers higher temperatures, with minimums around 3°C and maximums reaching up to 37°C, while March experiences cooler conditions, starting with minimums as low as -3°C and peaking at 33°C. Precipitation is more abundant in October, averaging 89 mm over 10 days compared to March's 62 mm over 9 days. Interestingly, both months share the same humidity level of 74%, creating a consistently muggy atmosphere. For a more detailed view of the specifics during March, you can check San Antonio weather in March.
In comparing the weather of October and April, both months experience a similar range of minimum temperatures, starting at 3°C (37°F). However, October tends to be warmer overall, with an average temperature of 22°C (72°F) compared to April's 21°C (70°F) and a higher maximum temperature of 37°C (98°F) versus 35°C (95°F) in April. Additionally, October sees slightly more precipitation, with 89 mm (3.5 inches) falling over about 10 days, compared to April's 71 mm (2.8 inches) over 8 days. Humidity levels are comparable, with October at 74% and April at 76%. For more specific details about April weather, visit San Antonio weather in April.
When comparing the weather in October and May, October typically presents a broader temperature range with a minimum of 3°C (37°F) and an average of 22°C (72°F), reaching a maximum of 37°C (98°F). In contrast, May enjoys milder evenings with minimum temperatures of 11°C (51°F) and a higher average of 25°C (77°F), peaking similarly at 37°C (99°F). Precipitation is more abundant in May, accumulating to 130 mm (5.1 in) over about 15 days, compared to October's 89 mm (3.5 in) across 10 days. Additionally, May experiences slightly higher humidity at 81%, versus October's 74%. For a more in-depth look at what to expect, you can explore San Antonio weather in May.
When comparing the weather in October and June, it's clear that June tends to be warmer overall, with average temperatures reaching 28°C (83°F) compared to October's average of 22°C (72°F). June also experiences higher maximum temperatures, peaking at 39°C (103°F), while October can reach up to 37°C (98°F). In terms of precipitation, October sees slightly more rainfall at 89 mm (3.5 in) over 10 days, compared to June's 78 mm (3.1 in) over 12 days. Humidity levels are fairly comparable, with October at 74% and June at 76%. For more detailed information, you can check San Antonio weather in June.
When comparing the weather in October and July, there are notable differences in temperature and humidity. October experiences a wider range of temperatures with a minimum of 3°C (37°F) and a maximum of 37°C (98°F), averaging around 22°C (72°F). In contrast, July is generally warmer, with minimum temperatures starting at 17°C (64°F) and peaking at 41°C (106°F), averaging 29°C (85°F). Precipitation levels also vary, with October receiving more rainfall at 89 mm (3.5 in) over 10 days, while July sees less at 69 mm (2.7 in) across 8 days. Humidity is slightly higher in October at 74%, compared to July's 66%. For more details on the conditions in July, visit San Antonio weather in July.
In comparing the weather patterns of October and August, it's clear that October brings a notable shift in temperature and humidity. While August boasts much warmer average temperatures, hovering around 30°C (86°F), and can peak at a scorching 40°C (103°F), October sees a cooler average of 22°C (72°F) with maximums reaching 37°C (98°F). Additionally, October experiences higher precipitation levels at 89 mm (3.5 in) over 10 days, compared to August's 56 mm (2.2 in) over just 6 days. Humidity also climbs in October, averaging 74% versus August's 58%. This makes October feel more damp and transitional as summer fades. For detailed information on August's heat and humidity, visit San Antonio weather in August.
In comparing the weather of October to that of September, several notable differences emerge. October experiences a wider temperature range, with minimums dropping to 3°C (37°F) and maximums reaching 37°C (98°F), while September maintains a warmer average, with minimums at 12°C (54°F) and maximums hitting 39°C (102°F). Additionally, October sees an average precipitation of 89 mm (3.5 in), slightly less than September’s 117 mm (4.6 in), despite both months having precipitation on 10 days. Humidity levels are also higher in October, averaging 74%, compared to September’s 65%. For more detailed information on September weather, you can refer to San Antonio weather in September.
October and November present a noticeable transition in weather patterns. October features a wider temperature range with minimums around 3°C (37°F) and maximums reaching up to 37°C (98°F), while November brings cooler conditions, with temperatures dipping to a low of -4°C (25°F) and a milder high of 32°C (90°F). Precipitation also decreases from 89 mm (3.5 in) over 10 days in October to only 46 mm (1.8 in) over 6 days in November, suggesting drier conditions as the months progress. Additionally, humidity levels rise slightly in November to 81%, compared to October's 74%. For a more detailed look at November weather, check out San Antonio weather in November.
In October, temperatures in San Antonio range significantly, with a minimum of 3°C (37°F) and a maximum reaching up to 37°C (98°F), resulting in an average of 22°C (72°F). The month sees about 89 mm (3.5 in) of precipitation over approximately 10 days, accompanied by a humidity level of 74%. In contrast, December experiences cooler weather, with temperatures dropping to a minimum of -3°C (27°F) and an average of 13°C (56°F), peaking at 29°C (85°F). This month receives less precipitation, totaling 57 mm (2.3 in) over about 7 days, and the humidity increases slightly to 86%. For more detailed insights, you can check San Antonio weather in December.
As October unfolds in San Antonio, residents and visitors alike experience a dynamic shift in weather that sets it apart from the sweltering summer months. With cooler average temperatures and a noticeable drop from summer highs, October invites a refreshing change, though occasional warm days can still be felt. This month also brings a greater chance of rain, contributing to the increased humidity that often lingers. Embrace this transitional period, where the vibrant fall colors begin to emerge, making it an ideal time to explore the beauty of the city’s parks and outdoor spaces. For more insights into the year-round climate of this vibrant city, check out San Antonio Climate.