May Weather in Vieques, Puerto Rico

Last updated: August 31, 2025

In May, Vieques, Puerto Rico, offers a warm tropical climate, with maximum temperatures reaching 30°C (87°F) and an average of 26°C (80°F), complemented by a minimum of 23°C (74°F) for comfortable evenings. This month sees frequent rainfall, accumulating to 74 mm (2.9 in) over 21 days, creating a lush landscape while maintaining a tropical vibe. With a humidity level hovering around 75%, visitors can expect a blend of warmth and moisture, perfect for enjoying the island's natural beauty and vibrant culture.

May Temperature in Vieques

May in Vieques, Puerto Rico welcomes the onset of warmer weather, with average temperatures reaching 26°C (80°F). The month begins with a minimum of 23°C (74°F), gradually warming to a maximum of 30°C (87°F), marking a pleasant increase from the cooler spring months. This trend of rising temperatures is characteristic as the island transitions toward summer, making it an ideal time for visitors to enjoy its breathtaking beaches and vibrant natural beauty. As the days lengthen and temperatures climb, the tropical ambiance becomes even more inviting, promising a delightful blend of warmth and sunshine for both locals and travelers alike.

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

The chart illustrates May 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, May 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).
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.

May Precipitation in Vieques

In May, Vieques, Puerto Rico, experiences a noticeable uptick in precipitation, with 74 mm (2.9 in) of rainfall recorded over 21 days. This marks a shift from the somewhat drier months of March and April, making May a pivotal point in the transition to the island's wetter season. The increasing rainfall paves the way for lush landscapes and vibrant flora, enhancing the island's natural beauty. As the summer months approach, the pattern continues, leading to even heavier rainfall, particularly in July and August. This trend highlights the significance of May as a bridge between the drier early months of the year and the peak of the rainy season, underscoring both the challenges and the splendor of tropical island weather.

May Precipitation Trends in Vieques

The chart displays monthly precipitation patterns in Vieques, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Vieques, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec49526355746911011115414111268
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Vieques

May in Vieques, Puerto Rico, presents a pleasant humidity level of 75%, making it a comfortable time for both locals and visitors. Following a slight dip from the higher humidity of March, the conditions remain consistent with April's levels, setting the stage for the warmer, more humid months ahead. As the island transitions into summer, humidity begins to rise, peaking at 80% in July and August. This gradual increase suggests that while May is relatively mild, the tropical embrace of the Caribbean is just around the corner, promising lush landscapes and vibrant breezes that define Vieques’ charm.

May Average Humidity in Vieques

This chart illustrates the average monthly humidity levels in Vieques, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Vieques is approximately {2}%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Vieques

As May unfolds in Vieques, Puerto Rico, the UV Index remains strikingly high at 13, placing it firmly in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV levels has been consistent since March, with May matching the intensity previously noted and setting the stage for a sun-sizzling summer. Notably, the UV Index peaks further as the year progresses, with June and August also reflecting the same extreme levels. This reinforces the importance of sun safety practices as residents and visitors alike enjoy the beautiful beaches and landscapes. For detailed information on daily UV readings and safety tips, check out the Vieques UV Index.

Maximum UV Index Levels in Vieques for May

The chart shows the monthly maximum UV Index (UVI) for Vieques in May, 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 May, the maximum UV index in Vieques typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Vieques May 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.

May Sunshine in Vieques

As May greets Vieques, Puerto Rico, the island basks in an abundant 357 hours of sunshine, the highest of the year. This enchanting month follows the sun-drenched months of March and April, both boasting 348 hours, and further illuminates the shift towards summer. The steady ascent in sunlight from January's 258 hours to May reflects a captivating trend, where each month builds upon the last, inviting visitors to bask in the warmth. As the summer approaches, June and July, though slightly lower, continue to offer 344 and 354 hours, respectively. This delightful pattern makes May an unbeatable choice for sunseekers looking to embrace the vibrant beauty of Vieques.

Monthly Sunshine Duration in Vieques: May Highlighted

The May sunshine duration represents the total number of hours Vieques experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec258h302h348h348h357h344h354h349h318h316h302h320h
Data source: Vieques May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vieques During May

May in Vieques, Puerto Rico, offers a 55% chance of sunny weather, making it a delightful time to soak in the island's natural beauty. This figure sits comfortably above the April average of 48%, indicating an upward trend as spring transitions into summer. While the sunniest months peak in the earlier part of the year, particularly February and November with chances of 67% and 61% respectively, May provides a promising balance with a moderate chance of sunshine. As the weather shifts towards the less predictable summer months of June and July, which see significantly reduced sunshine, May stands out as an excellent opportunity for outdoor activities and exploration before the clouds roll in.

Percentage of Sunny Days in May in Vieques

The chart illustrates the percentage of sunny days in Vieques throughout the year, with May 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 May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vieques in May

In Vieques, Puerto Rico, May marks the transition into the longer days of summer, continuing the trend established in the preceding months. With 12 hours of daylight, May holds steady in its daylight duration, mirroring April's length. As spring gives way to summer, daylight durations will soon increase, peaking at 13 hours in June and July. This gradual progression highlights the tropical allure of Vieques, where the balance of light creates an inviting atmosphere for outdoor activities and serene beach days. As the year unfolds, shorter daylight hours return in the fall, but for now, the island basks in the warm glow of ample sunshine.

Average Daylight Hours in Vieques for May

The chart illustrates the variation in daylight duration in Vieques throughout the year, with May 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.

May Winds in Vieques

As the island of Vieques, Puerto Rico transitions into May, average wind speeds settle at a breezy 5.2 m/s (12 mph), continuing a gentle yet invigorating trend from the previous months. While the winds subtly dipped in April, the month of May ushers in a fresh breeze that aligns closely with the early summer months, notably rising to 5.8 m/s (13 mph) in June. This gradual increase reflects the island's shifting climate as it heads towards the warmer season, creating the perfect conditions for outdoor adventures and water sports. As we move through the year, these moderate winds provide a delightful balance, making the tropical setting even more inviting while hinting at the stronger gusts that will mark the peak of summer.

Average May Wind Speed in Vieques

The chart displays monthly wind speed patterns in Vieques, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.96.25.44.65.2 m/s5.86.15.43.84.24.55.4
Data source: Vieques May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May’s weather to other months in Vieques, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of May and January, both months feature warm temperatures, but May tends to be slightly hotter. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average of 26°C (80°F). In contrast, January has a slightly cooler range, with minimum temperatures at 22°C (71°F) and maximums reaching 29°C (84°F), averaging 25°C (77°F). Additionally, May experiences more precipitation, totaling 74 mm (2.9 in) over 21 days, whereas January sees less rainfall at 49 mm (1.9 in) over 15 days. The humidity levels are quite similar, with May at 75% and January at 76%. For more details on January's climate, you can check this link: Vieques weather in January.

May typically sees warmer temperatures compared to February, with an average of 26°C (80°F) and a maximum reaching 30°C (87°F), while February has a slightly cooler average of 25°C (77°F) and a maximum of 28°C (83°F). In terms of precipitation, May experiences more rainfall, totaling 74 mm (2.9 in) across 21 days, compared to February's 52 mm (2.1 in) over 19 days. Both months maintain a consistent humidity level of 75%, making the atmosphere feel quite similar despite the differences in temperature and rain. For a more detailed look at February weather, you can explore Vieques weather in February.

In comparing the weather of May and March, we observe only slight variations in temperature and precipitation. May offers a minimum temperature of 23°C (74°F), with an average of 26°C (80°F) and a maximum reaching 30°C (87°F). In contrast, March presents a slightly cooler climate with a minimum of 22°C (72°F), an average of 25°C (77°F), and a peak temperature of 28°C (83°F). Rainfall in May totals 74 mm (2.9 in) over 21 days, which is a bit higher than March's 63 mm (2.5 in) over 18 days, indicating that May tends to be wetter. Humidity levels are relatively similar, with May at 75% and March at 74%. For a detailed look at the weather in March, you can check Vieques weather in March.

In comparing the weather of May and April, both months enjoy a similar average temperature of around 26°C (78°F), but May tends to be slightly warmer with maximum temperatures reaching up to 30°C (87°F). April's temperatures are a bit more moderate, peaking at 29°C (85°F). While both months are characterized by a high humidity level of 75%, May experiences more rainfall, with 74 mm (2.9 in) of precipitation over 21 days, compared to April's 55 mm (2.2 in) over 17 days. For more detailed insights on April weather, you can check out this link: Vieques weather in April.

May and June experience similar weather patterns, but with a few key differences. In May, the temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average of 26°C (80°F). The month sees around 74 mm (2.9 in) of precipitation over 21 days and has humidity levels at 75%. In contrast, June starts off slightly warmer, with temperatures ranging from a minimum of 24°C (76°F) to the same maximum of 30°C (87°F), and an average temperature of 27°C (81°F). June also has a slightly lower precipitation total of 69 mm (2.7 in) but maintains the same frequency of 21 rainy days, with humidity increasing to 77%. For more details on June weather, you can check out Vieques weather in June.

In comparing the weather between May and July, we see some notable differences. May typically features a slightly lower temperature range with a minimum of 23°C (74°F) and an average of 26°C (80°F), while July is warmer, with a minimum of 24°C (76°F) and an average of 28°C (82°F). Both months have the same maximum temperature of 30°C (87°F). Precipitation also increases in July, rising to 110 mm (4.3 in) over 24 days compared to May's 74 mm (2.9 in) over 21 days, and humidity levels are higher in July at 80% compared to 75% in May. This shift results in a more humid and wetter July, making the comparison significant for anyone planning outdoor activities. For more details on July weather, check out Vieques weather in July.

The weather in May presents a slightly cooler climate compared to August, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F) and an average of 26°C (80°F). In May, the region experiences 74 mm (2.9 in) of precipitation over 21 days, accompanied by a humidity level of 75%. In contrast, August tends to be a bit warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 28°C (82°F). August also sees increased precipitation of 111 mm (4.4 in), spread over 24 days, with humidity rising to 80%. For more detailed insights on August weather, visit Vieques weather in August.

May typically presents warm temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), peaking at a comfortable maximum of 30°C (87°F). However, it also experiences a fair amount of rain, averaging 74 mm (2.9 in) across 21 days and maintaining a humidity level of 75%. In contrast, September sees slightly warmer temperatures, starting from a minimum of 25°C (77°F) and averaging 28°C (82°F), with highs reaching 31°C (89°F). This month is notably wetter, as total precipitation climbs to 154 mm (6.0 in) over 24 days and humidity rises to 79%. To explore what to expect, you can check Vieques weather in September.

May and October exhibit relatively similar temperatures, with October being slightly warmer on average. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), while October's temperatures vary from 24°C (76°F) to 31°C (87°F). Both months experience considerable humidity, with May at 75% and October slightly higher at 78%. However, October sees a significant increase in precipitation, totaling 140 mm (5.5 in) over 22 days compared to May's 74 mm (2.9 in) over 21 days. For a more detailed comparison, you can check out this link: Vieques weather in October.

When comparing the weather in May and November, both months showcase warm temperatures, with minimums around 23°C (74°F) and maximums hovering near 30°C (86-87°F). May tends to be slightly cooler with an average temperature of 26°C (80°F), while November averages a bit higher at 27°C (80°F). However, November experiences more precipitation, with 112 mm (4.4 in) compared to May’s 74 mm (2.9 in), despite both months seeing rainfall on approximately 21 days. Humidity levels are also marginally higher in November at 78%, compared to 75% in May. For more detailed insights on November weather, you can check out Vieques weather in November.

May and December present similar warm temperatures, with both months experiencing minimums of 23°C (74°F), averages around 26°C (79°F), and maximums peaking at 30°C (87°F). However, May tends to have slightly higher precipitation at 74 mm (2.9 in) compared to December’s 68 mm (2.7 in), both occurring over 21 days. Humidity levels are also quite close, with May at 75% and December at 76%, making both months feel similarly tropical. For more detailed information on December weather, you can visit Vieques weather in December.

Compare Vieques's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Vieques

As May arrives in Vieques, the island begins to experience a noticeable shift in weather, embracing the warmth of early summer. Temperatures rise, offering balmy days filled with sun; however, these are often accompanied by increased humidity and occasional rain. With precipitation occurring on nearly three-quarters of the month, the lush landscapes thrive, making May a vibrant time to explore the island's natural beauty. This transitional month stands out from the dryer and cooler months preceding it, inviting visitors to enjoy the lush scenery while preparing for the peak season ahead. For a more detailed overview of what to expect, check out Vieques Climate.