July Weather in Vieques, Puerto Rico

Last updated: October 30, 2025

July in Vieques, Puerto Rico showcases a tropical paradise with temperatures reaching a maximum of 30°C (87°F) and settling at an average of 28°C (82°F), ensuring warm and inviting days. Visitors can expect a minimum temperature of 24°C (76°F), perfect for those balmy evenings. However, the month is marked by notable precipitation, with 110 mm (4.3 in) of rain spread across 24 days, contributing to the island's lush greenery. Coupled with a high humidity level of 80%, July offers a quintessential tropical experience filled with both warmth and refreshing showers, making it an ideal time to enjoy Vieques' stunning landscapes.

July Temperature in Vieques

In July, Vieques, Puerto Rico, basks in delightful warmth, with temperatures noticeable for their consistency. The month experiences a minimum of 24°C (76°F), an average of 28°C (82°F), and a maximum that reaches 30°C (87°F). As summer unfolds, the warmth is more pronounced, building on June's trends with a steady increase in nighttime temperatures. Compared to earlier months, July's average sits comfortably above the 25°C (77°F) mark, signaling a time for beach lounging and outdoor exploration. This rise in warmth continues into August, maintaining a lovely tropical atmosphere that makes Vieques a perfect summer escape.

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

The chart illustrates July temperature patterns in Vieques, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vieques, July typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (87°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777788081828282818079
Data source: Temperature data for Vieques 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 Vieques

In July, Vieques, Puerto Rico, experiences a significant uptick in precipitation, recording 110 mm (4.3 in) of rainfall, making it one of the wettest months of the year. This increase is notable compared to the previous months and aligns with the trend of rising rainfall leading into the peak of the wet season. With 24 days of precipitation, July showcases a pattern where rain showers are frequent, contributing to the lush landscape characteristic of the region. As the summer progresses, the rainfall continues to rise, creating a vivid contrast with the drier months earlier in the year. This climatic shift not only enriches the island's natural beauty but also enhances the overall atmosphere, inviting both residents and visitors to experience the vibrant bloom of Vieques during this lively period.

July Precipitation Trends in Vieques

The chart displays monthly precipitation patterns in Vieques, 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 Vieques, July typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec49526355746911011115414111268
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Vieques

In July, Vieques, Puerto Rico experiences a notable shift in humidity, rising to 80%, which is consistent with the island's trend of increased moisture during the summer months. Following a gradual buildup from 76% in January to 77% in June, this peak reflects the warmth of the season, as both July and August settle at this high level of humidity. As the summer wind down into September, humidity dips slightly to 79%, signaling a subtle transition towards cooler autumn air. Overall, this trend illustrates how Vieques' climate remains comfortably humid during the summer, inviting visitors to revel in its lush landscapes amid the tropical heat.

July Average Humidity in Vieques

This chart illustrates the average monthly humidity levels in Vieques, 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 Vieques is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Vieques

In July, the UV Index in Vieques, Puerto Rico, is a remarkable 12, placing it in the extreme exposure category with a burn time of just 10 minutes. This marks a slight decrease from the peak of 13 reached in the previous months, though sun safety remains critical as the summer sun shines intensely. Notably, the UV Index dances between levels 9 to 14 throughout the year, with July standing out as a month where vigilance is essential to avoid sunburn. With similar trends in August and September, when the index spikes even higher to 14, visitors should be well-prepared. For ongoing updates and detailed advice, be sure to check the comprehensive guide at Vieques UV Index.

Maximum UV Index Levels in Vieques for July

The chart shows the monthly maximum UV Index (UVI) for Vieques 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 Vieques typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Vieques 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 Vieques

In July, Vieques, Puerto Rico, basks in a delightful 354 hours of sunshine, making it one of the sunniest months of the year. Following closely behind, May leads with the highest sunshine totals at 357 hours, while June and August also boast impressive figures at 344 and 349 hours respectively. This summer sunshine trend highlights the island's robust solar charms, inviting visitors to enjoy its pristine beaches and vibrant culture. As the year progresses, September and October experience a slight dip, yet still offer ample sunlight with 318 and 316 hours. Overall, Vieques remains a sun-drenched paradise, perfect for escaping the winter chill and reveling in vibrant summer days.

Monthly Sunshine Duration in Vieques: July Highlighted

The July sunshine duration represents the total number of hours Vieques 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.
JanFebMarAprMayJunJulAugSepOctNovDec258h302h348h348h357h344h354h349h318h316h302h320h
Data source: Vieques July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vieques During July

In July, Vieques, Puerto Rico, sees a 43% chance of sunny weather, making it a month where sunshine is more likely than not, but still less certain than the earlier months of the year. Comparatively, January and February typically boast higher sun probabilities at 51% and 67%, respectively, while the sunshine starts to wane as summer progresses into August, which drops to 39%. Interestingly, the month of June presents the least chance of sun at just 23%, hinting at a transitional phase before the summer peaks. Travelers should prepare for a blend of sun and clouds, as July's likelihood for sunshine remains a pleasant middle ground amid the island's unique tropical rhythm.

Percentage of Sunny Days in July in Vieques

The chart illustrates the percentage of sunny days in Vieques 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 Vieques experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%67%64%48%55%23%43%39%49%50%61%63%
Data source: Vieques July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vieques in July

In July, Vieques, Puerto Rico basks in approximately 13 hours of daylight, continuing the trend established in June. This peak summer month reflects the island's abundant sunshine, making it an ideal time for outdoor adventures and vibrant explorations. As the year progresses, the daylight gradually diminishes, with August's hours dropping slightly to 12. The pattern reveals a typical Caribbean rhythm: bright, long days during the summer months, transitioning into shorter daylight hours as the year approaches its end. This fluctuation fosters a diverse range of activities and experiences unique to each season, allowing visitors to enjoy both the sun-soaked adventures of summer and the cooler, tranquil days of fall.

Average Daylight Hours in Vieques for July

The chart illustrates the variation in daylight duration in Vieques throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 15m11h 2m
Data source: Vieques daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Vieques

In July, Vieques, Puerto Rico experiences a delightful uptick in average wind speed, reaching 6.1 m/s (14 mph). This trend marks a notable increase compared to the calmer winds of earlier months, such as April and May, where speeds dipped to 4.6 m/s (10 mph) and 5.2 m/s (12 mph), respectively. The breezy July conditions create an ideal atmosphere for outdoor activities and water sports, encouraging locals and visitors alike to embrace the island's vibrant summer landscape. As summer unfolds, the winds remain relatively strong, tapering slightly into August but still sustaining an inviting coastal breeze that beckons exploration and enjoyment of Vieques’ stunning natural beauty.

Average July Wind Speed in Vieques

The chart displays monthly wind speed patterns in Vieques, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.96.25.44.65.25.86.1 m/s5.43.84.24.55.4
Data source: Vieques July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Vieques Compares to Other Months

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

In comparing the weather between July and January, July is generally warmer and more humid. With average temperatures peaking at around 28°C (82°F) and humidity at 80%, the summers can feel quite sultry. In contrast, January experiences slightly cooler temperatures, with averages around 25°C (77°F) and lower humidity at 76%. Rainfall is more frequent in July, with 110 mm (4.3 in) of precipitation over 24 days, whereas January sees less rain, amounting to 49 mm (1.9 in) over 15 days. For those interested in the specifics of January weather, you can find more information here: Vieques weather in January.

In comparing the weather between July and February, several distinct differences emerge. July experiences a warmer climate with minimum temperatures around 24°C (76°F) and an average of 28°C (82°F), peaking at 30°C (87°F). It also has higher humidity levels at 80%, contributing to a more oppressive atmosphere, alongside considerable rainfall totaling 110 mm (4.3 in) spread across 24 days. In contrast, February offers cooler temperatures, with a minimum of 21°C (71°F) and an average of 25°C (77°F), reaching a maximum of 28°C (83°F). The month is relatively drier with only 52 mm (2.1 in) of precipitation over 19 days, and slightly lower humidity at 75%. For more detailed insights on the weather in February, visit Vieques weather in February.

In comparing the weather between July and March, July tends to be warmer and more humid. The average temperature in July reaches around 28°C (82°F), with maximums climbing to 30°C (87°F), while March has a slightly cooler average of 25°C (77°F) and max temperatures of 28°C (83°F). Additionally, July experiences higher precipitation levels, totaling 110 mm (4.3 in) over 24 days, compared to March's 63 mm (2.5 in) across 18 days. The humidity in July also stands at 80%, which is notably higher than March's 74%. For those looking for a detailed look at March weather, check out the link: Vieques weather in March.

In comparing the weather between April and July, we see that July is warmer, with average temperatures reaching 28°C (82°F) compared to April's 26°C (78°F). July also experiences higher humidity levels at 80%, while April's humidity is slightly lower at 75%. Additionally, July receives more precipitation, averaging 110 mm (4.3 in) over 24 days, whereas April sees only 55 mm (2.2 in) across 17 days. For more detailed insights on the weather in April, you can visit Vieques weather in April.

In comparing the weather of July and May, we see distinct differences in temperature and precipitation. July boasts a slightly higher average temperature at 28°C (82°F) compared to May's 26°C (80°F), although both months share the same maximum temperature of 30°C (87°F). However, July experiences more rainfall, with 110 mm (4.3 in) over 24 days, compared to May's 74 mm (2.9 in) over 21 days. Additionally, humidity levels are higher in July at 80%, compared to 75% in May, making July feel more oppressive. For more details on May weather, you can visit Vieques weather in May.

In comparing the weather between June and July, both months showcase similar temperature ranges, with minimal variation in minimum (24°C) and maximum temperatures (30°C). However, July experiences a slightly higher average temperature of 28°C compared to June’s 27°C. Precipitation in July is notably heavier, with 110 mm over 24 days, whereas June sees just 69 mm across 21 days. Additionally, humidity levels increase in July, reaching 80%, compared to June’s 77%. For a deeper look into June's weather specifics, you can refer to Vieques weather in June.

In comparison, July and August weather exhibits a few notable similarities and slight variations. Both months maintain an average temperature of 28°C (82°F); however, August is slightly warmer, with a maximum temperature of 31°C (88°F) compared to July's 30°C (87°F). Humidity remains consistent at 80% in both months, making the air feel quite warm. Precipitation levels are also comparable, with July receiving 110 mm (4.3 in) and August just a bit more at 111 mm (4.4 in), both spread across 24 rainy days. For more details, you can check out this link: Vieques weather in August.

In comparing the weather between July and September, both months experience warm temperatures, with September showing a slight increase. July has a minimum temperature of 24°C (76°F) and an average of 28°C (82°F), while September features a minimum of 25°C (77°F) and an average that remains the same at 28°C (82°F). The maximum temperature also rises in September to 31°C (89°F) compared to July’s 30°C (87°F). However, September is marked by higher precipitation levels, with 154 mm (6.0 in) compared to July's 110 mm (4.3 in), both months receiving rainfall on 24 days. Humidity levels are quite similar, with July at 80% and September slightly lower at 79%. For more detailed information about the weather specifically in September, you can check this link: Vieques weather in September.

July and October exhibit similar warm temperatures, with October slightly cooler on average. July typically sees minimum temperatures of 24°C (76°F) and an average of 28°C (82°F), while October maintains a minimum of 24°C (76°F) and averages 27°C (82°F). Despite the overall warmth, October experiences more precipitation at 140 mm (5.5 in) compared to July's 110 mm (4.3 in), though the number of rainy days is fairly consistent, with July having 24 days of precipitation and October slightly less at 22 days. Humidity in both months is high, but October is marginally less humid at 78%. For more details on October weather conditions, you can visit Vieques weather in October.

In July, the weather is characterized by slightly warmer temperatures, with an average of 28°C (82°F) and maximums reaching up to 30°C (87°F). The month experiences considerable rainfall, totaling 110 mm (4.3 in) over 24 days, coupled with high humidity levels of around 80%. In contrast, November shows similar maximum temperatures of 30°C (86°F), but with a slightly lower average of 27°C (80°F) and minimum temperatures around 23°C (74°F). Precipitation in November is slightly higher at 112 mm (4.4 in) over 21 days, while humidity decreases slightly to 78%. For more information, you can check the detailed climate data at Vieques weather in November.

In comparing the weather patterns of July and December, both months share warm temperatures with December offering slightly cooler averages. July experiences a minimum temperature of 24°C (76°F) and peaks at 30°C (87°F), with an average of 28°C (82°F). It also sees more rainfall, with 110 mm (4.3 in) of precipitation over 24 days and higher humidity at 80%. In contrast, December features a minimum temperature of 23°C (74°F), a similar maximum of 30°C (87°F), and an average temperature of 26°C (79°F). The month receives less rainfall, totaling 68 mm (2.7 in) across 21 days, while humidity is slightly lower at 76%. For a closer look at the weather conditions in December, check out Vieques weather in December.

Compare Vieques's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Vieques

In July, Vieques experiences a warm and humid climate, with temperatures typically hovering around 30°C (87°F), providing a tropical escape for visitors. This month marks a shift as precipitation increases, leading to about 24 rainy days and a total of 110 mm of rainfall—a notable contrast to the drier months of the year. The humidity is palpable at 80%, making the air feel even warmer. Despite the frequent showers, July's vibrant atmosphere and lush landscapes offer a unique charm, inviting travelers to embrace the island's natural beauty. For a detailed understanding of what to expect throughout the year, check out Vieques Climate.