Last updated: February 24, 2025
In San Antonio, July brings a blend of intense heat and occasional rain, with maximum temperatures soaring to 41°C (106°F). The average temperature sits comfortably at 29°C (85°F), while nights cool down to a refreshing 17°C (64°F). Despite the heat, the city experiences about 69 mm (2.7 in) of rainfall over 8 days, contributing to a humidity level of 66% that adds a touch of mugginess. This month is characterized by long, sun-drenched days that invite both exploration and relaxation in Texas's vibrant summer atmosphere.
In July, temperatures in San Antonio reach their annual peak, showcasing the city's unmistakable summer heat. With a minimum temperature of 17°C (64°F) and an average of 29°C (85°F), residents and visitors can expect warm days and balmy nights. The mercury can soar to a blistering 41°C (106°F), making it the hottest month of the year. This trend reflects a steady increase in temperatures from the milder months earlier in the year, with June already hitting an average of 28°C (83°F) and a maximum of 39°C (103°F). As summer intensifies, the vibrant atmosphere of San Antonio encourages outdoor activities, but hydration and sun protection become essential for enjoying the sun-soaked days.
In July, San Antonio experiences an average precipitation of 69 mm (2.7 in) over the course of 8 rainy days, showcasing a moderate dip from the previous month. This decline follows a trend where May recorded the highest rainfall of 130 mm (5.1 in) and serves as a reminder of the region's dynamic weather patterns. As the summer heat intensifies, July’s rainfall is critical for maintaining the local environment, even as the days become longer and drier. Notably, this month precedes a subtle decrease in precipitation moving into August, where the average drops to 56 mm (2.2 in), hinting at the seasonal transition ahead. Overall, July's rain contributes to the summer's lush landscapes while setting the stage for the drier months that follow.
In San Antonio, July marks a notable drop in humidity, with levels sitting at 66%, a significant dip compared to the preceding months. Following the 81% peak in May and dipping slightly to 76% in June, July's lower humidity contrasts sharply with the wetter winter months, where humidity levels hover around 79%. This decline continues into August, further sinking to 58%, indicating a shift towards drier summer conditions. Overall, the trend reveals a gradual decrease in humidity as the summer progresses, highlighting San Antonio's characteristic heat paired with a less muggy feel during mid-summer.
In July, the UV Index in San Antonio reaches a peak of 12, placing it in the extreme exposure category. This intensity mirrors the conditions of June and August, highlighting a consistent trend of heightened solar radiation during the summer months. With a quick burn time of just 10 minutes, outdoor enthusiasts need to take precautions to protect their skin from harmful UV rays. This trend of elevated UV levels kicks off in the spring months and persists through the summer, emphasizing the importance of awareness and protection as temperatures soar. For more detailed information on UV levels throughout the year, check out San Antonio UV Index.
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July shines brilliantly in San Antonio, boasting 344 hours of sunlight, making it one of the sunniest months of the year. This exceptional brightness comes on the heels of June's already impressive 325 hours, reflecting a steady climb in sunny days from the beginning of the year. As temperatures peak during summer, the city's extended daylight not only energizes residents but also enhances outdoor activities. Following July, the sunshine remains abundant, with August also enjoying a generous 330 hours, although a slight dip hints at the approaching fall. This trend highlights San Antonio's vibrant summer climate, where residents can relish in the warm glow of the Texan sun well into the early autumn months.
In San Antonio, the forecast for July reveals a 34% chance of sunny weather, which is notably lower than the preceding winter months. This trend suggests that as the summer progresses, the likelihood of clear skies diminishes, reaching its nadir in July before gradually improving in August. Notably, early winter months like January and February boast higher chances of sunshine, at 59% and 45% respectively. This annual pattern indicates that while summer is often associated with warmth and outdoor activities, July may present more overcast days, urging residents and visitors to plan accordingly while embracing the shimmering Texas sun whenever it graces the skyline.
In San Antonio, United States, the daylight duration experiences a steady rise as spring approaches, peaking in the vibrant summer months. From just 10 hours in January, daylight availability gradually increases to a comfortable 13 hours by June, where it holds steady through July and August. This consistency allows residents to fully embrace the long, sun-filled days that are ideal for outdoor activities. As summer fades into fall, daylight begins to wane, dropping back to 12 hours in September and reducing further as the year draws to a close. This gradual ebb and flow of daylight not only marks the changing seasons but also invites San Antonio's community to savor every bright moment throughout the year.
In July, San Antonio experiences a notable decline in average wind speed, dropping to 2.6 m/s (6 mph), shared with the following month, August. This marks a continuation of a general downward trend that begins in June, where the winds greet the summer with gentler breezes compared to the more invigorating gusts of the earlier months. With the peak heat of summer settling in, these lighter winds contribute to a more sultry atmosphere, inviting both residents and visitors to seek shade and enjoy refreshing beverages. As temperatures rise, the soothing yet sparse winds serve as a reminder of the calm beauty of Texas summers, even as they bring a hint of stifling warmth.
The weather in San Antonio changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July'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.
July and January present stark contrasts in weather, reflecting the intensity of summer and the chill of winter.
In July, temperatures soar with an average of 29°C (85°F), peaking at a scorching 41°C (106°F), while the minimum rarely drops below 17°C (64°F). This month experiences about 69 mm (2.7 in) of precipitation over 8 days, alongside a humidity level of 66%.
In sharp contrast, January boasts much cooler temperatures, with averages around 11°C (53°F) and maximums reaching only 27°C (81°F), while plunging as low as -7°C (20°F) at night. Precipitation in January totals 44 mm (1.7 in) over approximately 6 days, with a higher humidity of 79%. For more details, check San Antonio weather in January.
July and February present stark contrasts in weather patterns. In July, temperatures soar with a minimum of 17°C (64°F) and an average high of 29°C (85°F), often peaking at a sweltering 41°C (106°F). The month experiences an average of 69 mm (2.7 in) of precipitation over 8 days, combined with a moderate humidity level of 66%. In contrast, February is notably colder, with temperatures ranging from a chilling minimum of -12°C (10°F) to an average high of 13°C (55°F) and a maximum of 31°C (87°F). While February has slightly less precipitation at 58 mm (2.3 in) over 10 days, it experiences higher humidity at 79%. For more details on February weather, check out San Antonio weather in February.
Comparing the weather in July and March reveals distinct differences in temperature and humidity. In July, temperatures range from a minimum of 17°C (64°F) to a scorching maximum of 41°C (106°F), with an average of 29°C (85°F). The month experiences 69 mm (2.7 in) of precipitation over 8 days, coupled with a humidity level of 66%. In contrast, March features a cooler climate, with temperatures starting as low as -3°C (27°F), peaking at 33°C (91°F), and averaging 18°C (65°F). March sees slightly less rainfall at 62 mm (2.5 in) across 9 days, along with a higher humidity of 74%. For more detailed information on San Antonio's climate during this month, you can visit San Antonio weather in March.
When comparing the weather in July and April, significant differences become apparent. July typically experiences much warmer temperatures, with averages soaring to 29°C (85°F) and maximums reaching up to 41°C (106°F). In contrast, April offers a more moderate climate, with an average temperature of 21°C (70°F) and maximums capping at 35°C (95°F). Both months see similar levels of precipitation, with July at 69 mm (2.7 in) and April slightly higher at 71 mm (2.8 in), occurring over the same number of days. However, humidity is notably higher in April at 76%, compared to 66% in July. For more detailed insights into April weather, you can refer to this link: San Antonio weather in April.
In comparing the weather between July and May, July tends to be hotter and drier. The average temperature in July reaches around 29°C (85°F), with maximums soaring up to 41°C (106°F), while May's average is cooler at 25°C (77°F) and peaks at 37°C (99°F). Additionally, July experiences less precipitation, with only 69 mm (2.7 in) over 8 days, compared to May's higher rainfall of 130 mm (5.1 in) spread over 15 days. Furthermore, humidity levels are lower in July at 66%, compared to the more humid May, which has a humidity of 81%. For more detailed insights on May’s climate, visit San Antonio weather in May.
In comparison to June, July experiences slightly higher average temperatures, with daily highs reaching up to 41°C (106°F) compared to June's maximum of 39°C (103°F). While July's minimum temperature is a bit lower at 17°C (64°F) versus June's 18°C (64°F), the overall humidity is lower in July at 66% compared to June's 76%. Additionally, July sees a decrease in precipitation, recording 69 mm (2.7 in) across 8 days, whereas June experiences more rain with 78 mm (3.1 in) over 12 days. For a more detailed look at the weather specifics for June, you can visit San Antonio weather in June.
In comparing the weather between July and August, we see some interesting differences. July experiences a wider temperature range with minimums of 17°C (64°F) and maximums reaching 41°C (106°F), resulting in an average temperature of 29°C (85°F). Precipitation levels in July are higher, with 69 mm (2.7 in) falling over 8 days and a humidity level of 66%. In contrast, August sees slightly warmer nights with a minimum temperature of 20°C (69°F) and an average of 30°C (86°F), while the maximum temperature remains a bit lower at 40°C (103°F). Rainfall decreases to 56 mm (2.2 in) over 6 days, and the humidity drops to a more comfortable 58%. For more detailed insights, check out San Antonio weather in August.
In comparing the weather of July and September, we find notable differences and similarities. July features warmer temperatures, with minimums around 17°C (64°F) and maximums soaring up to 41°C (106°F), while September's temperatures range from a cooler 12°C (54°F) to a maximum of 39°C (102°F). Although July has a slightly lower average precipitation of 69 mm (2.7 in) over 8 days, September sees an increase to 117 mm (4.6 in) across 10 days, indicating a wetter month. Humidity levels remain fairly consistent, with July at 66% and September slightly lower at 65%. For a more detailed look at September's climate, visit San Antonio weather in September.
July and October present notably different weather patterns. In July, temperatures soar with a minimum of 17°C (64°F) and an average high of 29°C (85°F), reaching peaks of 41°C (106°F). The month experiences about 69 mm (2.7 in) of precipitation across 8 days, alongside a humidity level of 66%.
In contrast, October offers a cooler climate with a minimum temperature of 3°C (37°F) and an average high of 22°C (72°F), though temperatures can still reach up to 37°C (98°F). Precipitation increases slightly to 89 mm (3.5 in) over 10 days, reflecting a rise in humidity to 74%. For more details on October weather, visit San Antonio weather in October.
In July, temperatures in San Antonio soar with a minimum of 17°C (64°F), an average of 29°C (85°F), and a sweltering maximum of 41°C (106°F). The month also experiences considerable humidity at 66% and receives 69 mm (2.7 in) of precipitation over approximately 8 days. In contrast, November sees a much cooler climate, with temperatures ranging from a chilly minimum of -4°C (25°F) to a more pleasant average of 16°C (61°F) and a maximum of 32°C (90°F). While November has slightly less precipitation at 46 mm (1.8 in) over 6 days, the humidity increases to 81%. For a more detailed look at November weather patterns, you can explore San Antonio weather in November.
July and December present a striking contrast in weather patterns. In July, temperatures soar with a minimum of 17°C (64°F), averaging a warm 29°C (85°F), and peaking at a scorching 41°C (106°F). It's a month characterized by moderate precipitation of 69 mm (2.7 in) over about 8 days, accompanied by a humidity level of 66%, making it feel even hotter. In sharp contrast, December experiences much cooler conditions, with temperatures ranging from a chilly minimum of -3°C (27°F) to a moderate maximum of 29°C (85°F) and an average of 13°C (56°F). Precipitation is slightly lower in December, totaling 57 mm (2.3 in) over 7 days, yet the humidity is higher at 86%, adding to the crisp winter atmosphere. For more details on the chilly season, check out San Antonio weather in December.
July in San Antonio is marked by sweltering heat, with temperatures often peaking at 41°C (106°F), making it one of the hottest months of the year. This significant warmth contrasts sharply with the more moderate temperatures of spring and fall. While humidity hovers around 66%, contributing to the sultry feel, the month is also characterized by occasional showers, with about eight days of precipitation offering brief respite from the heat. Although July can be soggy, its overall climate remains distinctly hot and humid, setting it apart from the milder conditions in other months. For a more detailed overview, check out the comprehensive San Antonio Climate.