July Weather in Guanica, Puerto Rico

Last updated: August 31, 2025

In Guanica, Puerto Rico, July brings a warm tropical climate characterized by a maximum temperature of 31°C (88°F) and an average temperature of 27°C (81°F). With minimum temperatures hovering around 24°C (75°F), this month offers a pleasant escape from the heat. However, residents and visitors should be prepared for considerable precipitation, totaling 86 mm (3.4 in) over approximately 16 days, resulting in a humidity level of 81%. This combination of warmth and rain creates a lush environment, making July an intriguing time to experience Guanica’s natural beauty.

July Temperature in Guanica

In July, Guanica, Puerto Rico, experiences warm and inviting temperatures that perfectly embody the tropical climate of the region. With minimum temperatures starting at a pleasant 24°C (75°F) and reaching a maximum of 31°C (88°F), the month maintains an average temperature of 27°C (81°F), consistent with the warmth experienced in previous months. As the summer heat intensifies, July stands out with temperatures mirroring those of June, yet the evenings offer a slight reprieve from the daytime warmth. This consistent warmth throughout the summer paints a picture of an ideal destination for beachgoers and outdoor enthusiasts alike, as Guanica's vibrant landscape thrives under the summer sun.

July Weather in Guanica: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Guanica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guanica, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676777980818181807978
Data source: Temperature data for Guanica generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Guanica

In Guanica, Puerto Rico, July marks a notable peak in precipitation, with an average rainfall of 86 mm (3.4 in) spread over 16 days. This increase signifies the beginning of the region's wetter season, as July experiences a substantial rise in moisture compared to the preceding months, where rainfall typically hovers around the 50 mm mark. The trend continues into August, which sees even higher precipitation levels. While July sets the stage for intense summer showers, it also highlights the transition towards September's peak, where the island braces for its most significant rainfall. The pattern emphasizes the region's tropical climate, with varying precipitation giving life to the lush landscapes that characterize this vibrant part of Puerto Rico.

July Precipitation Trends in Guanica

The chart displays monthly precipitation patterns in Guanica, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Guanica, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec19264949595386961591029125
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Guanica

In Guanica, Puerto Rico, July marks a notable peak in humidity levels, reaching 81%—the highest recorded for the year. This rise from June's 78% reflects a consistent trend of increasing humidity as the summer months approach. Following July, a slight decrease to 80% is observed in August, suggesting a gradual climate transition as the island prepares for the autumn season. Overall, the data reveals that humidity levels in Guanica remain high throughout the year, typically hovering between 75% and 81%, with a gentle ascent during the warmer months, making the tropical climate distinctly palpable.

July Average Humidity in Guanica

This chart illustrates the average monthly humidity levels in Guanica, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Guanica is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Guanica

In July, residents and visitors in Guanica, Puerto Rico, experience a consistently high UV Index of 13, categorizing the exposure as extreme. This means that with a burn time of just 10 minutes, it's crucial to protect your skin from the sun's intense rays. Interestingly, the UV Index in July mirrors that of both June and August, showcasing a trend of elevated sun exposure during the summer months. As temperatures peak, maintaining sun safety is essential not just in July, but throughout the season as this extreme UV Index persists into the fall. For more insights, check out the detailed forecast at Guanica UV Index.

Maximum UV Index Levels in Guanica for July

The chart shows the monthly maximum UV Index (UVI) for Guanica in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Guanica typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: Guanica July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

July Sunshine in Guanica

In July, Guanica, Puerto Rico basks in an impressive 361 hours of sunshine, making it one of the sunniest months of the year. This delightful peak follows a progressive climb from 262 hours in January to a maximum of 363 hours in May, showcasing a steady increase in daylight as the seasons transition into summer. The sunny allure of July slightly dips from the previous month, yet it remains consistently bright, inviting locals and tourists alike to revel in outdoor adventures and beach bliss. As summer unfolds, Guanica shines brightly, reflecting the island's warm charm and vibrant atmosphere that beckons exploration.

Monthly Sunshine Duration in Guanica: July Highlighted

The July sunshine duration represents the total number of hours Guanica experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec262h308h348h353h363h352h361h353h318h317h299h320h
Data source: Guanica July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guanica During July

In Guanica, Puerto Rico, July presents a 49% chance of sunny weather, aligning closely with the somewhat variable patterns seen in the preceding months. Following the sunniest months of February and March, which boast chances of 79% and 68% respectively, the arrival of summer brings a noticeable decline in sunshine probability, especially with June dipping to just 32%. While July maintains a moderate chance of clear skies, it sets the stage for the slightly lower chances in August at 47%. This trend hints at the seasonal transition, where sporadic rain showers may occasionally intersperse the warm summer days, reminding visitors to embrace both the sun and the lingering tropical charm of Guanica.

Percentage of Sunny Days in July in Guanica

The chart illustrates the percentage of sunny days in Guanica throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Guanica experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%79%68%49%57%32%49%47%55%54%61%70%
Data source: Guanica July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guanica in July

In Guanica, Puerto Rico, the trend of daylight duration throughout the year reveals a warm and vibrant climate. As winter fades, daylight hours gradually increase, peaking at 13 hours in both June and July—creating the perfect backdrop for summer activities. Following this peak, daylight begins to taper off in August and settles back to 12 hours until the onset of fall, where it continues to decline to 11 hours by October. This gentle fluctuation not only enhances the enjoyment of long summer days but also signals the transition into shorter, cozier days as the year progresses. The rhythm of daylight is a captivating aspect of life in Guanica, inviting both locals and visitors to immerse themselves in its natural beauty year-round.

Average Daylight Hours in Guanica for July

The chart illustrates the variation in daylight duration in Guanica throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 33m12h 58m13h 10m13h 4m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Guanica daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Guanica

In July, Guanica, Puerto Rico experiences a refreshing increase in average wind speed, reaching 5.1 m/s (12 mph). This subtle uptick from the previous months heralds the commencement of summer, providing a gentle breeze that lends a vibrant energy to the coastal landscape. May and June lay the groundwork with 4.4 m/s and 4.8 m/s respectively, paving the way for July's lively air currents. However, as the season progresses into August, wind speeds dip to 4.2 m/s (9 mph), suggesting a gradual calming after the midsummer surge. This trend highlights how July, often a favorite among visitors, serves as a bridge between the active breeziness of early summer and the more tranquil winds of late summer.

Average July Wind Speed in Guanica

The chart displays monthly wind speed patterns in Guanica, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.54.23.94.44.85.1 m/s4.23.14.03.64.2
Data source: Guanica July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Guanica Compares to Other Months

Weather in Guanica varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Guanica, focusing on differences in temperature, rainfall, humidity, and UV levels.

In July, the weather is characterized by warm temperatures, with a minimum of 24°C (75°F) and averages around 27°C (81°F), peaking at 31°C (88°F). This month also sees significant rainfall, with around 86 mm (3.4 in) of precipitation occurring over 16 days, and humidity levels are high at 81%. In contrast, January offers milder conditions, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (84°F) and an average of 25°C (77°F). Precipitation is notably lower at just 18 mm (0.7 in) over 4 days, and humidity is slightly reduced to 76%. For more detailed information about the weather in January, you can check Guanica weather in January.

When comparing the weather in July and February, it's clear that July is noticeably warmer and more humid. July features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), with an average temperature of 27°C (81°F) and high humidity levels at 81%. In contrast, February boasts milder temperatures, with a minimum of 21°C (70°F) and a maximum of 29°C (85°F), averaging at 25°C (77°F) and a lower humidity of 75%. Additionally, precipitation is more frequent in July, with 86 mm (3.4 in) over 16 days, while February sees significantly less rainfall, totaling just 26 mm (1.0 in) over 5 days. For a detailed look at February weather, you can check this link: Guanica weather in February.

The weather in July is notably warmer than in March, with average temperatures reaching 27°C (81°F) compared to March's 24°C (76°F). July experiences higher maximum temperatures, peaking at 31°C (88°F), while March's maximum is 28°C (83°F). In addition to the heat, July also brings more humidity at 81% and significantly more precipitation, with 86 mm (3.4 in) over 16 rainy days. In contrast, March sees less rainfall, totaling only 49 mm (1.9 in) across 11 days and a slightly lower humidity level of 75%. For a more detailed comparison, visit Guanica weather in March.

In comparing the weather between July and April, July tends to be warmer with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), while April's temperatures are slightly cooler, with a range from 21°C (70°F) to 29°C (84°F). Additionally, July experiences more precipitation, accumulating 86 mm (3.4 in) over 16 days, compared to April's 49 mm (1.9 in) over 14 days. Humidity levels are also higher in July at 81%, compared to 76% in April. For a more detailed look at April weather, you can check Guanica weather in April.

In comparing the weather of July and May, July tends to be slightly warmer, with an average temperature of 27°C (81°F) compared to May's average of 26°C (79°F). The maximum temperatures also reflect this trend, reaching up to 31°C (88°F) in July, whereas May peaks at 30°C (86°F). However, July is accompanied by higher precipitation, totaling 86 mm (3.4 in) over 16 days, compared to May's 59 mm (2.3 in) over 12 days. Humidity levels are also higher in July at 81%, while May sees a more comfortable 76%. For a detailed look at May's weather, you can check Guanica weather in May.

In comparing the weather between June and July, we see that both months experience similar temperature ranges, with July having a minimum temperature of 24°C (75°F) and June slightly cooler at 23°C (75°F). The average temperatures are also closely aligned, with July averaging 27°C (81°F) compared to June's 27°C (80°F), and both months peaking at a maximum of 31°C (88°F). However, July is notably wetter than June, receiving 86 mm (3.4 in) of precipitation across 16 days, while June sees only 53 mm (2.1 in) over 12 days. Humidity levels are slightly higher in July at 81%, compared to June's 78%. For more detailed information, check out Guanica weather in June.

In comparing the weather of July and August, both months feature similar average temperatures, with July averaging 27°C (81°F) and August holding steady at the same average. However, August sees slightly higher maximum temperatures, peaking at 32°C (90°F) compared to July's maximum of 31°C (88°F). Precipitation increases in August to 96 mm (3.8 in), up from July's 86 mm (3.4 in), although both months experience rainfall on about 16 days. Humidity remains high in both months, with July at 81% and August slightly lower at 80%. For more detailed weather insights, check out Guanica weather in August.

In July, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). The month sees approximately 86 mm (3.4 in) of precipitation over 16 days, with humidity levels at a high 81%. In contrast, September maintains a similar temperature range with a minimum of 24°C (76°F) and an average of 27°C (81°F), but the maximum temperature rises slightly to 32°C (90°F). Precipitation significantly increases to 159 mm (6.2 in) over 21 days, and humidity drops slightly to 79%. For more detailed information, check out Guanica weather in September.

In comparing the weather conditions of July and October, both months exhibit similar temperature ranges, with minimums around 24°C (75°F), averages of approximately 27°C (80-81°F), and maximums reaching 31°C (88°F). However, October tends to experience slightly higher precipitation, totaling 102 mm (4.0 in) over about 20 days, compared to July's 86 mm (3.4 in) over 16 days. The humidity is also marginally lower in October at 78%, contrasted with July’s 81%. For more detailed insights into the weather, you can check out Guanica weather in October.

July and November weather shows some similarities, but there are notable differences. In July, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). The month sees substantial precipitation, with about 86 mm (3.4 in) falling over 16 days and humidity levels high at 81%. In comparison, November experiences slightly cooler temperatures, ranging from 23°C (73°F) to the same maximum of 31°C (88°F), with an average of 26°C (79°F). Precipitation is a bit higher at 91 mm (3.6 in) over 15 days, but the humidity is slightly lower at 78%. For more details on November weather, check out Guanica weather in November.

In comparing the weather between July and December, July tends to be warmer with average temperatures around 27°C (81°F) and maximums reaching 31°C (88°F), while December has slightly cooler temperatures averaging 26°C (78°F) and maxing out at 30°C (86°F). July also experiences higher humidity levels at 81%, compared to December's 77%. Additionally, July sees significantly more rainfall, with 86 mm (3.4 in) spread over 16 days, whereas December has much lower precipitation of 25 mm (1.0 in) over just 7 days. For more details, you can check out the Guanica weather in December.

Compare Guanica's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Guanica

As July arrives in Guanica, the weather takes on a distinctly tropical flair, marked by warm temperatures and high humidity. While daytime highs can reach a pleasant 31°C (88°F), the warmth is often accompanied by an increased chance of rainfall, with precipitation occurring on nearly half the month. This spike in humidity and rainfall sets July apart from the drier months, making it an ideal time for those who enjoy lush landscapes and vibrant flora. For more insights into what to expect throughout the year, explore Guanica Climate.