Last updated: April 22, 2025
July in San Juan Vallarta, Mexico, brings warm, tropical weather that beckons sun-seekers to its stunning shores. With maximum temperatures peaking at a balmy 32°C (91°F) and an average of 21°C (71°F), daytime adventures are complemented by cooler nights. However, this vibrant month also witnesses substantial precipitation, totaling 198 mm (7.8 in) over 22 days, adding a lush vibrancy to the lush landscapes. Humidity remains a notable factor, averaging 68%, accentuating the tropical feel and ensuring that the region remains as enchanting as ever. Visitors should prepare for both sunshine and refreshing rain, making summer in San Juan Vallarta a unique and unforgettable experience.
In July, San Juan Vallarta experiences a delightful summer climate, with temperatures typically ranging from a mild minimum of 12°C (54°F) to a pleasant maximum of 32°C (91°F). This month marks a subtle rise in warmth, with an average temperature settling at 21°C (71°F), creating the perfect backdrop for beach activities and outdoor exploration. Compared to June, July offers slightly cooler nights while maintaining an inviting daytime warmth, making it a favored time for travelers seeking sun-soaked adventures. As rainfall begins to increase towards the end of summer, July strikes a balance between the lingering warmth of June and the eventual transition into the rainy season, allowing visitors to enjoy both the vibrant atmosphere and the stunning coastal scenery.
In July, Puerto Vallarta experiences significant rainfall, with 198 mm (7.8 in) soaking the region across approximately 22 days. This marks a notable drop from the intense precipitation of June, which saw a staggering 277 mm (10.9 in) over 24 days, but still reflects the peak of the summer monsoon season. As the year progresses, rainfall volumes continue to rise from a dry January total of merely 4 mm (0.2 in), indicating the shift toward a wetter climate. The month of July not only showcases the transition between the earlier, lighter showers of spring and the heavier downpours of late summer, but also sets the stage for the even more dramatic rains in August and September, where totals can reach upwards of 254 mm and 314 mm, respectively. This trend underscores the tropical nature of Puerto Vallarta, where summer months bring lush landscapes, vibrant green foliage, and a refreshing atmosphere to this coastal paradise.
In July, San Juan Vallarta experiences humidity levels at a refreshing 68%, marking a notable dip compared to the preceding months. This decrease from June's 76% reflects the onset of the milder summer season, as the coastal breeze begins to take hold. Tucked between the high humidity lingering from the start of the year and a rise in moisture levels seen in August, July offers residents and visitors a brief respite before the humidity escalates again in the fall. As the year progresses, humidity trends tend to rise significantly, peaking at a sultry 91% in October, creating a striking contrast with the more temperate July conditions.
In July, San Juan Vallarta experiences a consistently high UV Index of 14, placing it in the extreme exposure category with a burn time of only 10 minutes. This trend of intensified UV radiation extends from March through September, where the index remains at its peak, highlighting the need for proper sun protection during these summer months. Notably, the UV Index begins to taper off in October, dropping to 12, before settling to lower levels by November and December. Visitors should be especially cautious during the summer, ensuring they have adequate sunblock and that they seek shade when outdoors. For more details on UV levels, check out San Juan Vallarta UV Index.
UV Risk Categories
In July, San Juan Vallarta basks in a generous 329 hours of sunshine, continuing the trend of excellent weather that peaks during the summer months. Following the sunny corridor established in May with 332 hours, July stands out as a vibrant period, perfectly nestled between the lush greenery of June and the slightly mellow rays of August, which boasts 316 hours. This consistent warmth not only enhances the seaside charm of Vallarta but also invites visitors to explore its beautiful beaches and lively culture, making it an ideal destination for sun-seekers. As the summer progresses, the hours of daylight remain abundant, fostering a rich backdrop for unforgettable experiences along Mexico's stunning Pacific coast.
When planning a trip to San Juan Vallarta in July, it's important to consider the likelihood of sunny weather during this month. With a 26% chance of sunshine, July marks a noticeable dip compared to the sunnier preceding months like February, which boasts a remarkable 90%, and April, holding strong at 72%. This trend highlights a shift as the summer progresses into the rainy season, where June and July experience a significant decrease in clear skies. Although there’s still a chance for sunny intervals, visitors should prepare for the possibility of clouds and scattered showers during their stay. For those seeking sunnier escapes, it might be wise to explore other months, particularly from November through April, when the sun shines much more reliably.
In San Juan Vallarta, July boasts a consistent 13 hours of daylight, maintaining the bright and vibrant atmosphere of summer. This trend of longer days begins in May and extends through June and July, offering ample sunshine for beachgoers and outdoor enthusiasts alike. Following this peak, daylight duration gradually diminishes in August and September, shifting back to 12 hours. By October, the days continue to shorten, arriving at 11 hours of daylight as the year transitions into the cooler months. This rhythm of daylight not only highlights the allure of summer but also signals the approach of autumn, making San Juan Vallarta a year-round destination for sun seekers.
In July, the winds in San Juan Vallarta pick up slightly from the softer breezes of earlier summer months, averaging 1.6 m/s (4 mph). This is a subtle increase from June's low of 1.5 m/s (3 mph), suggesting a gentle yet noticeable shift in the coastal atmosphere. As summer reaches its peak, the wind remains relatively mild, following a trend of gradual fluctuations seen since the start of the year. Notably, months like January and February begin much breezier, with speeds around 2.0 m/s (4-5 mph), but the overall summer pattern tends to favor lighter gusts, creating a warm, inviting environment perfect for leisurely seaside activities. As we move towards the later summer months, this gradually stable wind pattern contributes to the region's charm, making every day feel like a tranquil escape.
The weather in San Juan Vallarta 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 Juan Vallarta and find detailed weather information for every month.
In July, the weather in San Juan Vallarta is decidedly warmer and wetter, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (91°F) and an average of about 21°C (71°F). The month sees significant precipitation, totaling 198 mm (7.8 in) over 22 days, and the humidity hovers around 68%. In contrast, January presents a much drier and cooler climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F) and a comfortable average of 18°C (64°F). Precipitation is minimal at just 4 mm (0.2 in) for one day, but the humidity is notably higher at 84%. For more details, visit San Juan Vallarta weather in January.
July and February present distinct weather patterns. In July, temperatures range from a minimum of 12°C (54°F) to a maximum of 32°C (91°F), with an average of 21°C (71°F). This month sees significant precipitation, totaling 198 mm (7.8 in) across 22 days, accompanied by a humidity level of 68%. In contrast, February is milder, with temperatures fluctuating between 7°C (45°F) and 31°C (88°F), maintaining an average of 20°C (68°F). Notably, February experiences much less precipitation at just 6 mm (0.2 in) over 2 days, though it has a higher humidity level of 78%. For more specific details, you can refer to San Juan Vallarta weather in February.
In comparison, July and March present contrasting weather profiles. July typically sees a temperature range from a cool 12°C (54°F) at its lowest to a sweltering 32°C (91°F) at its peak, with an average of 21°C (71°F). This month also experiences significant precipitation, with 198 mm (7.8 in) falling over 22 days, contributing to a humidity level of 68%. In contrast, March features a minimum temperature of 9°C (48°F) and a maximum of 34°C (93°F), with an average temperature that remains comfortable at 22°C (71°F). The month is notably drier, with only 13 mm (0.5 in) of precipitation recorded across just 3 days, and a higher humidity of 75%. For more detailed insights on March weather, you can visit San Juan Vallarta weather in March.
In comparing the weather between April and July, it’s clear that while both months offer warm temperatures, they each have distinct characteristics. April boasts a slightly lower minimum temperature of 10°C (50°F) and an average of 23°C (74°F), with a maximum that can reach up to 34°C (93°F). Notably, April experiences much less rainfall, totaling only 36 mm (1.4 in) across just 7 days, contributing to a humidity level of 70%. In contrast, July's temperatures range from a minimum of 12°C (54°F) to a maximum of 32°C (91°F), with a higher average of 21°C (71°F). However, it is significantly wetter, with 198 mm (7.8 in) of precipitation over 22 days, leading to a humidity of 68%. For a detailed look at the weather during April, you can visit San Juan Vallarta weather in April.
In comparing the weather between July and May, July presents a cooler range of temperatures with a minimum of 12°C (54°F) and an average of 21°C (71°F), while May typically experiences slightly warmer conditions, boasting a minimum of 14°C (57°F) and an average of 23°C (74°F). However, May can peak higher, reaching a maximum of 35°C (95°F), compared to July's upper limit of 32°C (91°F). Precipitation is also more pronounced in July, accumulating to 198 mm (7.8 in) over 22 days, compared to May's 131 mm (5.2 in) over 17 days. Additionally, May exhibits higher humidity levels at 77%, while July’s humidity stands at 68%. For more specific insights into the weather conditions during May, check out San Juan Vallarta weather in May.
In comparing the weather of July and June, July tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (91°F), while June experiences warmer conditions with temperatures ranging from 14°C (57°F) to 35°C (94°F). Precipitation levels are also noteworthy; July sees 198 mm (7.8 in) of rain over 22 days, compared to June's higher total of 277 mm (10.9 in) over 24 days. Additionally, humidity in July is lower at 68% than June's 76%, which contributes to a somewhat drier feel during the latter part of summer. For more detailed insights into June's weather patterns, you can visit San Juan Vallarta weather in June.
In comparing the weather between July and August, both months exhibit similar average temperatures, ranging from a minimum of 12-13°C (54-55°F) and peaking at 32°C (90-91°F). However, August tends to be slightly wetter, with total precipitation increasing to 254 mm (10.0 in) over 25 days, compared to July's 198 mm (7.8 in) over 22 days. This results in a marginal uptick in humidity, reaching 70% in August, compared to 68% in July. For those looking to understand the specific conditions of August further, check out San Juan Vallarta weather in August.
In July, the weather in San Juan Vallarta typically features a range of temperatures, with a minimum of 12°C (54°F), an average of 21°C (71°F), and a maximum of 32°C (91°F). However, the month is characterized by significant rainfall, receiving 198 mm (7.8 in) of precipitation over 22 days, accompanied by a humidity level of 68%.
In contrast, September experiences slightly warmer nights with a minimum temperature of 13°C (56°F) and an average of 21°C (69°F), but daytime highs are cooler at 29°C (85°F). Rainfall is more pronounced in this month, with a total of 314 mm (12.4 in) spread across 26 days, contributing to a higher humidity level of 82%. For more detailed information on the weather conditions, you can visit San Juan Vallarta weather in September.
In July, the weather features a warmer climate with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (91°F), making it a prime time for summer activities despite the higher humidity levels at 68%. Precipitation is significant during this month, with 198 mm (7.8 in) spread across 22 days, contributing to a lush environment.
In contrast, October sees slightly cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 30°C (86°F), making it feel more comfortable overall. The average temperature remains close at 20°C (69°F), but the humidity rises to 91%. Rainfall in October is less than in July, totaling 120 mm (4.7 in) over 16 days, which may lead to more pleasant outdoor experiences. For more detailed information, you can check this link: San Juan Vallarta weather in October.
July and November exhibit distinct weather patterns in terms of temperature and precipitation. July typically experiences warmer temperatures, with a minimum of 12°C (54°F) and an average of 21°C (71°F), peaking at a sweltering 32°C (91°F). In contrast, November sees slightly cooler conditions, with minimum temperatures dropping to 9°C (48°F) and an average of 19°C (67°F), while still reaching a high of 30°C (86°F).
Precipitation also differs significantly between the two months; July receives a substantial 198 mm (7.8 in) of rain over 22 days, contributing to its more humid environment with 68% humidity. November, however, is much drier, with only 36 mm (1.4 in) of rainfall over just 5 days and increased humidity at 89%. For those looking to understand the specific weather conditions in November, you can find more details here: San Juan Vallarta weather in November.
In comparing the weather of July and December, notable differences emerge in temperature, precipitation, and humidity. July experiences a wider temperature range, with minimums of 12°C (54°F) and maximums soaring to 32°C (91°F), accompanied by significant precipitation of 198 mm (7.8 in) across 22 days, resulting in a humidity level of 68%. In contrast, December offers a milder climate, with minimum temperatures dropping to 5°C (41°F) and maximums around 29°C (85°F). The month is characterized by minimal precipitation of just 4 mm (0.1 in) and no rain days, though the humidity rises to a higher 88%. For a detailed look at the December weather, you can check San Juan Vallarta weather in December.
As July settles in San Juan Vallarta, the weather showcases its vibrant character with a blend of warmth and humidity. Temperatures soar, reaching their peak with max highs around 32°C, creating a lively atmosphere ideal for beachgoers and adventurers alike. However, this month is also notable for its increased rainfall, experiencing significant precipitation that often transforms sunny afternoons into refreshing tropical showers. In contrast to the drier months, July brings a lush vibrancy to the region, enthralling visitors with its lush scenery and lively ambiance. For a deeper insight into the weather patterns throughout the year, explore San Juan Vallarta Climate.