Last updated: August 27, 2025
In July, the coastal city of San Juan, Philippines, experiences a tropical climate characterized by a maximum temperature reaching 31°C (88°F) and an average of 27°C (81°F). The weather is marked by high humidity levels averaging 86%, creating a warm and often sultry atmosphere. Rainfall is a prominent feature during this month, with precipitation amounting to 533 mm (21.0 in) spread across 29 days, leading to lush landscapes and vibrant vegetation. Visitors should prepare for frequent showers while enjoying the rich culture and stunning natural beauty of this island paradise.
In July, the weather in San Juan, Philippines, showcases a warm tropical climate, with temperatures predominantly ranging from a min of 24°C (75°F) to a max of 31°C (88°F). The average temperature hovers around 27°C (81°F), mirroring the mild warmth of previous months. As the year progresses, July maintains a consistent warmth, similar to June, while the slight dip in maximum temperatures hints at the onset of the rainy season. The combination of warm evenings and comfortable days makes this month ideal for enjoying the vibrant beach life and local festivities, striking a perfect balance between heat and coastal breezes.
In July, San Juan experiences its wettest month of the year, with a staggering precipitation total of 533 mm (21.0 in), showcasing the region's tropical climate at its peak. This rainfall, significant even by Philippines standards, translates to 29 days of rain, illustrating the almost constant downpour that defines mid-year in this coastal city. This surge in precipitation follows a dramatic increase from June’s already high total of 369 mm, indicating a marked transition into the heart of the rainy season. The spike not only reinforces the pattern of increased rainfall starting from May but also sets the stage for the even more intense precipitation that August brings, further establishing the July threshold as a pivotal point in the annual weather cycle of San Juan.
In July, San Juan, Philippines, experiences its peak humidity, with levels reaching a muggy 86%. This oppressive moisture is part of a trend that begins to steeply rise from June, which already sees humidity climbing to 85%. As the summer progresses, the monsoon season intensifies, resulting in high humidity levels that continue into August and September, both recorded at 87%. The data reflects a clear pattern: as the year unfolds, the humidity gradually increases, particularly during the mid-year months, creating a tropical environment that is both lush and intensely humid, ideal for those who appreciate the rich landscape and vibrant atmosphere of the region.
In July, the UV Index in San Juan, Philippines reaches a high of 14, marking it as an extreme exposure category with a notably brief burn time of just 10 minutes. This trend of elevated UV levels persists throughout the summer months, with both June and August also recording a UV Index of 14. The pattern showcases an intense period of sunlight, carrying significant skin burn risks, particularly from February through August, when the Index consistently hovers in the extreme range. As the year progresses, the UV Index begins to taper off in the fall, but July's scorching figures serve as a reminder to prioritize sun safety during this peak season. For more detailed insights on UV exposure patterns, visit San Juan UV Index.
UV Risk Categories
In July, San Juan, Philippines, enjoys a delightful 268 hours of sunshine, adding to its reputation as a sun-soaked paradise. This month, while a dip from the peak sunshine of March and May, still reflects the region's robust summer brightness. Following a trend of gradually decreasing daylight since the blistering highs earlier in the year, July retains more sun than several months ahead, such as August and September. As the summer heat continues to warm the shores, July remains an inviting time for beachgoers and adventurers alike, fostering a vibrant atmosphere filled with the energy of the season.
In San Juan, Philippines, July marks a significant dip in the likelihood of sunny weather, with only an 18% chance of sunshine. This pattern is consistent with a trend observed in the preceding months, as June also shows a low probability at 16%. The summer months typically begin with higher chances of sun, peaking in March at 67% and gradually declining through April and May. As the rainy season approaches, the months that follow July, particularly August, further diminish the sunshine potential, dropping to just 14%. Overall, July is characterized by notably overcast skies, making it one of the less favorable times for sun seekers in this tropical region.
In San Juan, Philippines, July marks a peak in daylight duration, with the sun gracing the skies for an impressive 13 hours. This trend continues from June, where the days lengthen to their summer height, providing ample sunlight for outdoor activities and vibrant local life. As the calendar turns to August, daylight begins to dip to 12 hours, which hints at the gradual transition towards the latter part of the year. Overall, the daylight hours trend showcases a clear ebb and flow, with longer days in the mid-year leading to a gentle decline as we approach September and the rest of the months, settling down to 11 hours by the end of the year.
In July, San Juan experiences a refreshing average wind speed of 4.0 m/s (9 mph), offering a comfortable escape from the summer heat. This slight uptick from the preceding months reflects a typical trend as the region transitions into the latter half of the year. Notably, the wind begins to pick up after a dip in May, where it reaches a low of just 2.0 m/s (4 mph). Following July, the wind speed stabilizes, hovering around 3.6 m/s (8 mph) in both August and June, creating a gentle yet invigorating breeze that enhances outdoor activities. The consistent flow of wind during this period makes July a delightful time for both locals and visitors to enjoy the vibrant coastal scenery of the Philippines.
Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, temperatures in San Juan reach a minimum of 24°C (75°F), averaging 27°C (81°F), and peaking at 31°C (88°F). The month is characterized by high humidity at 86% and substantial rainfall, accumulating 533 mm (21.0 in) over 29 days. In contrast, January experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 26°C (78°F), while still reaching a maximum of 31°C (88°F). Precipitation in January drops significantly to just 29 mm (1.1 in) over only 3 days, accompanied by lower humidity levels at 77%. For more detailed information, visit San Juan weather in January.
When comparing the weather in July and February, we see marked differences in temperature and precipitation. July experiences warmer conditions with an average temperature of 27°C (81°F), peaking at a maximum of 31°C (88°F), contrasted with February's average of 25°C (78°F). February also benefits from lower humidity at 73%, compared to July's high of 86%. Precipitation levels are significantly lower in February, with just 16 mm (0.6 in) across only 2 days, whereas July is notably wetter, receiving 533 mm (21.0 in) over 29 days. For a more detailed overview, you can check San Juan weather in February.
In comparing the weather between July and March, July features a significantly warmer and more humid climate, with average temperatures around 27°C (81°F) and maximum temperatures reaching as high as 31°C (88°F). The month is marked by heavy rainfall, averaging a staggering 533 mm (21.0 in) over 29 days, resulting in a humidity level of 86%. In contrast, March boasts similar average temperatures of 27°C (81°F) but with a slightly higher maximum of 32°C (91°F) and far less precipitation, only 11 mm (0.4 in) across just 2 days, along with a more comfortable humidity level of 71%. For a detailed overview of March weather, check out San Juan weather in March.
In comparing the weather of July and April, July is characterized by higher humidity and significantly increased rainfall, with an average of 533 mm spread over 29 days, compared to April's modest 28 mm over just 6 days. While July experiences temperatures ranging from a minimum of 24°C to a maximum of 31°C, April features slightly warmer daily averages, with temperatures hitting a maximum of 32°C. Overall, April generally boasts drier conditions and lower humidity at 73%, making it more comfortable than the hot and humid July weather. For more details on April conditions, you can check San Juan weather in April.
When comparing the weather in July and May, July tends to be slightly cooler on average, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F) and an average temperature of 27°C (81°F). In contrast, May offers a slightly warmer experience, with an average temperature of 28°C (83°F) and a daily maximum that can reach up to 32°C (89°F). However, July is significantly wetter, receiving 533 mm (21.0 in) of precipitation over 29 days, while May sees much less rainfall, totaling 157 mm (6.2 in) over 23 days. Additionally, the humidity levels are higher in July at 86%, compared to 77% in May. For more information on May weather, you can visit San Juan weather in May.
In comparing the weather between June and July, we see some notable differences. While both months feature similar minimum temperatures, July has a slightly lower average temperature of 27°C (81°F) compared to June’s 28°C (82°F). Additionally, July experiences higher maximum temperatures, reaching up to 31°C (88°F), but it also brings increased precipitation, with 533 mm (21.0 in) falling over 29 days compared to June’s 369 mm (14.5 in) over 28 days. Humidity levels are also similar, with June at 85% and July at 86%. For more detailed information on June weather, you can check San Juan weather in June.
In comparing the weather of July and August, both months exhibit similar temperature ranges, with minimums at 24°C (75°F), averages around 27°C (81°F for July and 80°F for August), and maximums peaking at 31°C (88°F in July and 87°F in August). However, August tends to be slightly wetter, receiving 609 mm (24.0 in) of precipitation compared to July's 533 mm (21.0 in), while maintaining the same number of rainy days at 29. Humidity levels are also comparable, hovering at around 86% in July and increasing slightly to 87% in August. For more details, you can check San Juan weather in August.
In comparing the weather of July and September, both months exhibit warm temperatures, with July experiencing a minimum of 24°C (75°F) and an average of 27°C (81°F), while September offers a slightly lower minimum of 23°C (74°F) but a higher maximum of 32°C (89°F). Precipitation is significantly higher in July, with 533 mm (21.0 in) over 29 days, compared to September's 343 mm (13.5 in) distributed over 26 days. Humidity levels remain quite similar, with July at 86% and September at 87%. For more detailed information on September weather, you can check San Juan weather in September.
In July, the weather is characterized by higher precipitation, averaging 533 mm (21.0 in) across 29 days, alongside a temperature range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F). The humidity remains quite high at 86%, which can make the heat feel more intense. In contrast, October experiences a slightly lower minimum temperature of 22°C (71°F) and a maximum of 32°C (89°F), but the overall average remains the same at 27°C (81°F). Rainfall significantly decreases to 165 mm (6.5 in) over just 14 days, while humidity remains consistently high at 86%. For more details about the weather in October, you can visit San Juan weather in October.
In comparing the weather between July and November, we find both months maintaining a similar average temperature of 27°C (81°F). However, July tends to be noticeably wetter, with a staggering 533 mm (21.0 in) of rainfall spread over 29 days, leading to a high humidity level of 86%. In contrast, November experiences a significant reduction in precipitation, only 71 mm (2.8 in) over just 8 days, while humidity rises slightly to 89%. Additionally, November boasts a higher maximum temperature of 32°C (90°F) compared to July's 31°C (88°F), creating a slightly drier yet warmer environment. For more detailed information about the weather in November, check out San Juan weather in November.
In July, the weather tends to be much warmer and wetter compared to December, with average temperatures reaching around 27°C (81°F) and a notable high of up to 31°C (88°F). This month experiences significant rainfall, totaling 533 mm (21.0 in) over 29 days, contributing to a high humidity level of 86%. In contrast, December offers slightly cooler temperatures, with a minimum of 21°C (70°F) and still hitting highs of 31°C (88°F). However, rainfall drops dramatically to just 27 mm (1.1 in) over only 5 days, and humidity remains relatively stable at 85%. For more information, you can check out San Juan weather in December.
As July rolls into San Juan, the weather transforms into a hot and humid affair, with average temperatures hovering around a balmy 27°C. Unlike other months, where there's typically less rain and lower humidity, July brings a significant spike in precipitation, pouring nearly 533 mm and challenging outdoor plans on almost every day of the month. This high humidity level, averaging 86%, can make the warmth feel even more intense, a stark contrast to the drier months that precede and follow. If you're looking to plan a visit, be prepared for the heat and moisture that define this lively summer month. For a deeper dive into San Juan's atmospheric conditions throughout the year, check out San Juan Climate.