Last updated: February 24, 2025
In July, Houston experiences a sweltering climate, with maximum temperatures soaring to 37°C (99°F) and an average temperature of 28°C (83°F), perfect for those who thrive in heat. However, the month also brings increased humidity, averaging at 71%, which can amplify the heat sensation. Rainfall is a notable feature, with 146 mm (5.8 in) of precipitation over 16 days, providing a brief respite from the summer swelter. Residents and visitors alike should prepare for both sunny skies and unexpected downpours, making July in Houston a month of dynamic weather contrasts.
In July, Houston experiences its warmest temperatures of the year, with minimums around 20°C (68°F) and a sweltering average of 28°C (83°F). Daytime highs can soar to a scorching 37°C (99°F), making it essential to stay hydrated and seek shade during the hottest hours. This month marks a distinct progression from the milder temperatures of spring, with each passing month showing a steady climb in heat. As the summer heat reaches its peak, it's a time when locals often embrace the vibrant culture of the city while finding relief in air-conditioned spaces or nearby water activities. July’s warmth encapsulates the essence of Houston's summer, where heat and humidity intertwine, inviting residents and visitors alike to savor the season.
In July, Houston experiences a notable blend of heat and rainfall, culminating in an average precipitation of 146 mm (5.8 in) over 16 days. This monthly total represents a slight dip from the more intense rainfall of the preceding months, such as May and June, which saw significantly higher totals of 176 mm and 171 mm, respectively. However, July’s rainfall still contributes to the overall wet season, setting the stage for the even more substantial precipitation typical in August and September. As summer progresses, Houstonians can expect a pattern of scattered showers, highlighting the region’s tendency toward humid conditions while maintaining a balance that keeps moisture levels relatively high throughout the season.
In Houston, the humidity levels exhibit an intriguing pattern throughout the year, particularly noticeable in July, where humidity dips to 71%. This marks a gradual decline from the more humid spring months, which see averages around 78%-81%. Interestingly, July's figures are part of a trend that continues into August, reaching a low of 68% before beginning to rise again in the fall months. The overall humidity from January to July shows a subtle transition, suggesting that while Houston is known for its high humidity, the summer months offer a brief respite before the air becomes heavy again in the subsequent months.
In July, Houston experiences a dramatic peak in UV exposure with a UV Index of 12, categorized as extreme. This intense level of ultraviolet radiation means that even a brief 10-minute sun exposure can lead to sunburn, urging residents and visitors to take necessary precautions. This month mirrors June's conditions, highlighting a trend of heightened UV risks during the summer months, as temperatures soar and sun intensity increases. Following July, the UV Index slightly diminishes in August, yet it remains at a dangerous level of 11. As a result, it's crucial to stay informed and protected in Houston during this time. For more detailed information, check out the Houston UV Index.
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In July, Houston basks in a remarkable 328 hours of sunshine, making it one of the sunniest months of the year. This sunny stretch marks the peak of a gradual increase in daylight hours that begins in January with only 173 hours and steadily rises through the months. After June, when residents enjoy 317 hours of brightness, July's sunshine stands out even more, closely followed by August at 322 hours. The trend reveals a vibrant summer season, with daylight reaching its zenith before gradually tapering down in the fall months of September and October. Overall, the exuberant July sun epitomizes the warm and lively spirit of summer in Houston.
When it comes to sunny days in Houston, July offers a notable dip in the chances, with only a 26% likelihood of sunshine. This marks a significant decrease compared to the earlier months in the year, particularly when April and May boast higher chances of clear skies at 40% and 29%, respectively. Interestingly, as summer draws to a close, the likelihood of sunny weather begins to rise again in September and October, reaching 47% and 51%. This trend reflects Houston's typical climate pattern, where the intense heat of mid-summer can cloud the skies, leading to a more humid and less sunny July, before clear skies return in the fall.
In Houston, July marks a noteworthy point in the city's daylight calendar, offering approximately 13 hours of sunlight. Following the peak of 14 hours in June, daylight begins a gentle decline as summer progresses, mirroring the city's trend toward shorter days as autumn approaches. Interestingly, both July and August share this 13-hour duration, signaling a stable period of warm, sunlit days perfect for outdoor activities. As the year unfolds, daylight gradually recedes, emphasizing the contrast between the vibrant, sun-drenched summer months and the shorter, cooler days ahead. This rhythmic cycle of daylight not only shapes the city's climate but also influences the local lifestyle, inviting residents to fully embrace the long, sunny days of July before the shift towards the fall begins.
In July, Houston experiences its calmest winds of the year, with an average speed of just 2.1 m/s (5 mph). This is a notable decline from the preceding months, where wind speeds hovered around 4.0 m/s (9 mph) during the spring months. As summer settles in, the consistent heat tends to stifle the breezy conditions that define earlier seasons, leading to a lull in air movement. Interestingly, the trend continues into August, where wind speeds slightly increase to 2.2 m/s (5 mph), yet still remain low compared to the springtime averages. This pattern indicates a shift towards a more stagnant atmosphere as Houston basks in the peak of summer, offering a serene, albeit still sultry, environment for the city's residents and visitors alike.
The weather in Houston 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 Houston and find detailed weather information for every month.
July and January present stark contrasts in weather. July boasts warm temperatures, with a minimum of 20°C (68°F), averaging around 28°C (83°F), and reaching highs of up to 37°C (99°F). However, it is also characterized by significant precipitation, totaling 146 mm (5.8 in) over approximately 16 rainy days, coupled with 71% humidity. In contrast, January experiences much cooler conditions, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 28°C (83°F) and an average of 13°C (55°F). It has less precipitation, with 91 mm (3.6 in) spread over 9 days and higher humidity levels at 78%. For more details on January weather, visit Houston weather in January.
July and February present stark contrasts in weather conditions. In July, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 37°C (99°F), with an average of 28°C (83°F). The month experiences significant rainfall, totaling 146 mm (5.8 in) over about 16 days, accompanied by a humidity level of 71%. In contrast, February showcases much colder conditions with temperatures dipping as low as -12°C (11°F) and peaking at 30°C (86°F), averaging at 14°C (58°F). Rainfall in February is also lighter, at 95 mm (3.8 in) over 14 days, but the humidity is slightly higher at 81%. For more detailed information, check out Houston weather in February.
In July, temperatures soar with a minimum of 20°C (68°F) and an average of 28°C (83°F), peaking at a sweltering 37°C (99°F). The month also sees considerable rainfall, with 146 mm (5.8 in) spread over 16 days, accompanied by high humidity levels averaging 71%. In contrast, March offers a more temperate climate, where temperatures range from a minimum of -1°C (31°F) to a maximum of 30°C (87°F), averaging 19°C (66°F). Precipitation in March is lower, at 86 mm (3.4 in) over 13 days, and the humidity is slightly higher at 76%. For more information about March weather, you can check out Houston weather in March.
In comparison to April, July in Houston is significantly warmer, with average temperatures soaring to 28°C (83°F) and maximums reaching as high as 37°C (99°F), while April enjoys a milder average of 21°C (70°F) with maximums of 32°C (90°F). Additionally, July experiences more precipitation, totaling 146 mm (5.8 in) over 16 rainy days, compared to April's 94 mm (3.7 in) across 11 days, suggesting that summer storms often dominate the July weather. Despite July's higher heat, it has a slightly lower humidity level at 71%, while April's humidity is higher at 79%. For a detailed look at how April's weather unfolds, visit Houston weather in April.
When comparing the weather in July and May, there are notable differences in temperature and humidity. July tends to be warmer, with minimum temperatures around 20°C (68°F) and average highs reaching up to 37°C (99°F), while May has cooler minimums of 11°C (51°F) and average highs of 34°C (93°F). Additionally, May experiences slightly more rainfall, with 176 mm (6.9 in) of precipitation compared to July's 146 mm (5.8 in), though both months see precipitation on 16 days. Humidity levels are also higher in May, averaging at 79%, compared to 71% in July. For more details on May weather, visit Houston weather in May.
In comparing the weather of July and June, we can see some notable similarities and differences. Both months feature an average temperature of around 28°C (82°F), but July experiences higher extremes, with a minimum of 20°C (68°F) and a maximum of 37°C (99°F), compared to June's range of 18°C (65°F) to 35°C (95°F). Precipitation levels slightly decrease in July, with 146 mm (5.8 in) over 16 days, compared to June's 171 mm (6.7 in) spread over 17 days. Additionally, humidity levels in July average 71%, just slightly lower than June's 74%. For a more detailed look at June's weather, you can visit Houston weather in June.
July and August exhibit similar weather patterns, but with some notable differences. July sees temperatures ranging from a minimum of 20°C (68°F) to a maximum of 37°C (99°F), with an average temperature of 28°C (83°F). In contrast, August has slightly higher temperatures, with a minimum of 21°C (70°F) and a maximum of 38°C (100°F), leading to an average of 29°C (84°F). Precipitation also increases in August, reaching 201 mm (7.9 in) over 19 days compared to July's 146 mm (5.8 in) over 16 days. Interestingly, humidity levels are slightly lower in August at 68% compared to July's 71%. For more detailed information, check Houston weather in August.
July and September both offer warm temperatures, with September having a slightly cooler minimum average of 13°C (55°F) compared to July's 20°C (68°F). The maximum temperature in both months peaks at 37°C (99°F), but July sees a higher average temperature of 28°C (83°F) against September's 27°C (80°F). Precipitation is notably higher in September, totaling 202 mm (8.0 in) over 15 days, whereas July experiences 146 mm (5.8 in) across 16 days, resulting in a wetter climate as summer transitions to fall. Additionally, humidity levels are slightly elevated in September at 73% compared to July's 71%. For more information, you can check out Houston weather in September.
July and October display contrasting weather patterns. In July, temperatures are typically warmer, ranging from a minimum of 20°C (68°F) to a scorching maximum of 37°C (99°F), with an average temperature of 28°C (83°F). This month also experiences significant rainfall, accumulating 146 mm (5.8 in) over 16 days, and humidity levels are relatively high at 71%.
In contrast, October presents a much cooler climate with temperatures starting at a minimum of 2°C (37°F) and reaching a maximum of 34°C (93°F). The average temperature is 22°C (73°F). Rainfall is less frequent, totaling 104 mm (4.1 in) across 12 days, and humidity slightly increases to 75%. For more information on what to expect, check out Houston weather in October.
July and November present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 20°C (68°F) and an average of 28°C (83°F), reaching a scorching maximum of 37°C (99°F). This month also sees significant rainfall, with 146 mm (5.8 in) of precipitation over 16 days, alongside high humidity at 71%. In contrast, November offers much cooler temperatures, with a minimum of -1°C (30°F), an average temperature of 17°C (63°F), and a maximum of 31°C (88°F). Precipitation is less frequent, totaling 82 mm (3.2 in) over just 10 days, yet humidity is slightly higher at 78%. For more detailed insights into the November weather, check out Houston weather in November.
In July, the weather is characterized by warm temperatures, with minimums around 20°C (68°F) and maximums reaching up to 37°C (99°F). This month also experiences significant precipitation, with 146 mm (5.8 in) falling over 16 days, paired with a humidity level of 71%. In contrast, December brings much cooler conditions, featuring a minimum temperature of -2°C (29°F) and an average of 14°C (58°F), with maximums peaking at 28°C (83°F). Although December has less total precipitation at 111 mm (4.4 in) over 9 days, the humidity is slightly higher at 84%. For a more detailed look at winter weather, check out Houston weather in December.
In July, Houston truly embraces the summer heat, with temperatures soaring higher than in other months, creating a perfect blend of steamy days and warm nights. While the average temperature hovers comfortably, the maximums can reach scorching heights, inviting visitors to enjoy the sun-drenched parks and vibrant outdoor festivities. However, this summer heat comes with its own set of challenges, as precipitation is frequent, leading to humid conditions—typical for Houston. It’s a time when heavy rains can unexpectedly interrupt sunny spells, yet this mix only enhances the city’s lush landscapes. For a deeper insight into how July weather stacks up against other months, explore this guide on Houston Climate.