Last updated: August 31, 2025
July in Isabela, Puerto Rico presents a tropical climate marked by warm temperatures and high humidity. The maximum temperature reaches around 31°C (88°F), while the average hovers at a comfortable 27°C (81°F) and occasionally dips to a mild 24°C (76°F). Visitors should be prepared for moderate rainfall, as July sees approximately 91 mm (3.6 in) of precipitation spread across 18 days, making it a season for both sun and showers. With humidity levels averaging 80%, it's essential to stay hydrated and embrace the lush, vibrant atmosphere that July brings to this beautiful coastal town.
In July, Isabela, Puerto Rico, experiences balmy temperatures that exemplify the island's tropical charm. With a minimum temperature of 24°C (76°F) and an average of 27°C (81°F), visitors can expect warm weather that’s perfect for beach outings and outdoor adventures. The maximum heat reaches 31°C (88°F), continuing the trend of steadily rising temperatures observed since May. This month marks a peak in warmth, seamlessly transitioning from the pleasant early summer months, making July an ideal time to enjoy sun-soaked days and tropical breezes along the stunning coastline. As the summer unfolds, the heat remains vibrant yet manageable, inviting both relaxation and exploration in this picturesque destination.
In July, Isabela, Puerto Rico experiences a notable increase in precipitation, with 91 mm (3.6 in) of rain falling over approximately 18 days. This trend marks a continuation of the wetter months, following June's 85 mm and leading into August's 97 mm. The rain during July contributes to the island's lush landscapes and vibrant ecosystems, as the relatively frequent showers are characteristic of the region's summer weather patterns. As the summer progresses, precipitation peaks notably in September, reminding us of Puerto Rico's tropical climate and the seasonal rhythm that drives its natural beauty.
July in Isabela, Puerto Rico, marks a peak in humidity with levels reaching 80%, making it one of the most humid months of the year. This rise is part of a gradual increase that begins in June and continues through August, showcasing a summer trend where humidity consistently hovers at 80%. Notably, the overall humidity levels show a slight elevation from earlier months, with January starting at 76% and only dipping slightly in the cooler months, like March at 74%. As summer embraces Isabela, residents and visitors can expect a warm, humid atmosphere, setting the stage for vibrant tropical experiences.
In July, Isabela, Puerto Rico, experiences an extreme UV Index of 13, maintaining the high levels established in the preceding months. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures against the sun's harsh rays. This trend of elevated UV exposure persists through the summer, aligning with June and August's similar levels. As the year progresses, the UV Index gradually decreases in the fall months, but July stands out as a peak time to practice sun safety. For more detailed information, check the Isabela UV Index.
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July in Isabela, Puerto Rico, shines brightly with an impressive 361 hours of sunshine, making it one of the sunniest months of the year. As summer reaches its peak, the days are long and radiant, following a trend of increasing sunlight hours that began in January. From 261 hours in January to a remarkable 361 in July, the sunshine gradually intensifies, peaking in both May and July before slightly declining in August to 352 hours. This warm, sunny stretch not only elevates July's charm but also highlights Isabela's role as a perfect summer getaway, where the allure of vibrant sunsets and endless beach days beckon visitors to bask in its radiant climate.
When it comes to July weather in Isabela, Puerto Rico, you'll find that the likelihood of sunny days dips to 47%, which is notably lower than the brighter months like February, where the sun shines about 77% of the time. As the year progresses towards July, the chance of sunshine shows a downward trend from early summer's 55% in May and 31% in June. While July's weather can be a bit hit-or-miss, it's interesting to note that the chances of sunny skies rebound later in the year, with November and December seeing 64% and 69% sunshine, respectively. So, if you're planning a summer getaway, prepare for a mix of weather, but keep your hopes high for those sunny interludes!
In Isabela, Puerto Rico, July shines with 13 hours of daylight, marking it as one of the brightest months of the year. This trend of extended daylight begins in June and continues through August, showcasing the tropical splendor of summer. As the year progresses, the daylight gradually tapers off, dipping back to 12 hours in August and returning to 11 hours by October. The consistent daylight patterns highlight Isabela's warm climate, inviting residents and visitors alike to enjoy the beauty of its abundant sunshine throughout the summer months.
In July, Isabela, Puerto Rico, experiences a slight uptick in average wind speed, reaching 5.3 m/s (12 mph), showcasing the island's characteristic breeziness amid the summer heat. This month marks a gentle rebound from the winds of April and May, where speeds dipped to their lowest, with 3.8 m/s (9 mph) and 4.3 m/s (10 mph) respectively. As the summer progresses, July's winds are reminiscent of the consistent breezy conditions seen in January, February, and June, all hovering around 5 m/s (11 mph). Notably, the wind's cadence starts to soften in the later months, particularly in September and October, suggesting a seasonal shift as the tropical landscape transitions. This sustained yet gentle airflow lends itself to perfect conditions for outdoor adventures like surfing and sailing, making Isabela a vibrant summer retreat.
Weather in Isabela varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Isabela, focusing on differences in temperature, rainfall, humidity, and UV levels.
In July, Isabela experiences warmer weather with minimum temperatures around 24°C (76°F) and maximums reaching 31°C (88°F), accompanied by high humidity levels at 80%. The month sees an average of 27°C (81°F) and receives a notable 91 mm (3.6 in) of precipitation over 18 days. In contrast, January offers milder temperatures, with minimums of 20°C (69°F) and maximums of 29°C (84°F). The average temperature drops to 25°C (77°F), and the month is considerably drier, featuring only 34 mm (1.3 in) of rain across 11 days. The humidity is slightly lower at 76%. For a more detailed look at Isabela's January weather, visit Isabela weather in January.
The weather in July is generally warmer and wetter compared to February. In July, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average temperature of 27°C (81°F). It also sees higher rainfall, with 91 mm (3.6 in) of precipitation spread over 18 days and a humidity level of 80%. In contrast, February features milder temperatures, with a minimum of 21°C (69°F) and a maximum of 30°C (86°F), averaging at 25°C (76°F). The month is notably drier, accumulating only 39 mm (1.5 in) of rain over 13 days and slightly lower humidity at 75%. For more detailed information, check out Isabela weather in February.
In comparing the weather between July and March, July tends to be notably warmer and more humid. The average temperature in July is around 27°C (81°F), with maximum highs reaching up to 31°C (88°F), while March offers a slightly cooler average of 25°C (76°F), peaking at 29°C (84°F). Additionally, July experiences more precipitation, totaling 91 mm (3.6 in) across 18 days, compared to March's 72 mm (2.8 in) over 17 days. The humidity also climbs higher in July at 80%, compared to March's 74%. For further details on March weather, you can visit Isabela weather in March.
When comparing the weather in July and April, it's evident that July experiences warmer temperatures, with a minimum of 24°C (76°F) compared to April's 22°C (72°F). While the average temperature in July is slightly higher at 27°C (81°F) versus April’s 25°C (78°F), both months share similar maximum temperatures, with July peaking at 31°C (88°F) and April at 30°C (86°F).
Notably, July has more precipitation, accumulating 91 mm (3.6 in) over 18 days, while April sees less at 66 mm (2.6 in) over 14 days. Humidity levels are also higher in July at 80%, compared to April’s 75%. For more detailed insights on the weather during April, you can check Isabela weather in April.
In comparing the weather between July and May, both months feature warm temperatures with maximums reaching 31°C (88°F). However, July showcases a slightly higher average temperature of 27°C (81°F) compared to May's 26°C (79°F). Additionally, July is characterized by increased humidity at 80%, while May's humidity is more moderate at 75%. Precipitation levels are also similar, with July receiving 91 mm (3.6 in) over 18 days, just slightly less than May, which sees 97 mm (3.8 in) over 19 days. For a detailed look at the weather specifics in May, you can refer to this link: Isabela weather in May.
In comparing the weather between June and July, we see that both months maintain similar temperature ranges, with minimums of 24°C (76°F), average temperatures of 27°C (81°F), and maximums of 31°C (88°F). However, July experiences a slight increase in precipitation, totaling 91 mm (3.6 in) over 18 days, compared to June's 85 mm (3.3 in) over 17 days. Additionally, humidity rises in July to 80%, up from June's 77%. For more details on June's weather, you can check Isabela weather in June.
In July, the weather is characterized by a typical tropical climate with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), and an average of 27°C (81°F). The month sees approximately 91 mm (3.6 in) of rainfall spread over 18 days, while the humidity remains consistently high at 80%.
In contrast, August experiences slightly warmer temperatures, with an average rising to 27°C (82°F) and a maximum reaching 32°C (89°F). Rainfall also increases to around 97 mm (3.8 in) over 20 days, maintaining the same humidity level of 80%. For more details on the weather in August, you can visit Isabela weather in August. Overall, while both months share similar temperatures and humidity levels, August tends to be a bit wetter and warmer than July.
In July, the weather is characterized by average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with a total precipitation of 91 mm (3.6 in) over approximately 18 days and a humidity level of 80%. In contrast, September sees a slight increase in minimum temperature at 25°C (77°F), while maintaining the same average and maximum temperatures as July. However, the precipitation in September rises significantly to 188 mm (7.4 in) across 23 days, indicating a wetter month, although the humidity levels are slightly lower at 79%. For more detailed insights about the weather conditions during September, you can check Isabela weather in September.
In comparing the weather between July and October, we observe that both months share similar temperature ranges, with minimums of 24°C (76°F), averages of 27°C (81°F), and maximums reaching 31°C (88°F). However, October experiences a higher level of precipitation, totaling 127 mm (5.0 in) over 21 days, compared to July's 91 mm (3.6 in) over 18 days. Despite this increase in rainfall, the humidity remains relatively stable, with July at 80% and October slightly lower at 78%. For more detailed information on October weather in Isabela, you can visit Isabela weather in October.
In comparing the weather of July and November, we find that both months offer warm temperatures, but with slight differences. July typically sees a minimum temperature of 24°C (76°F) and an average of 27°C (81°F), peaking at 31°C (88°F), while November's temperatures are slightly cooler, with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum of 30°C (85°F). Precipitation is also notable in both months, with July receiving about 91 mm (3.6 in) over 18 days and November experiencing slightly more rainfall at 99 mm (3.9 in) over 19 days. Humidity levels are comparable, with July at 80% and November slightly lower at 78%. For more details on the weather conditions in November, you can refer to Isabela weather in November.
In July, the weather is characterized by warm temperatures, with a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at a maximum of 31°C (88°F). This month also experiences a notable amount of precipitation, with 91 mm (3.6 in) recorded over 18 days, coupled with high humidity levels of 80%. In contrast, December features slightly cooler temperatures, ranging from a minimum of 23°C (73°F) to an average of 25°C (78°F), and a maximum of 30°C (86°F). The precipitation decreases significantly to 43 mm (1.7 in) over 15 days, along with a slight drop in humidity to 76%. For more detailed insights on the weather during December, you can check Isabela weather in December.
As July unfolds in Isabela, the warmth of summer becomes palpable, with temperatures reaching their peak, often hovering around an inviting 31°C. This month stands out for its higher humidity levels and increased precipitation, resulting in nearly two-thirds of days experiencing some rainfall, a notable shift from the drier months preceding it. While the lush landscapes benefit from regular showers, it also means that visitors should be prepared for occasional bursts of rain amid the tropical heat. For more insights into how July weather compares to other months, check out Isabela Climate.