Last updated: August 31, 2025
In May, Luquillo, Puerto Rico, experiences a tropical climate characterized by warm temperatures and high humidity. The maximum temperature reaches around 29°C (85°F), while the average hovers at a comfortable 26°C (79°F), and the minimum dips to 23°C (73°F). This month also sees significant rainfall, with precipitation totaling 109 mm (4.3 in) over approximately 26 days, leading to a humidity level of 75%. As a result, visitors can expect a lush, vibrant environment, albeit with frequent showers that contribute to the island's stunning natural beauty.
In May, Luquillo, Puerto Rico, begins to warm up as the island transitions fully into the tropical climate. With minimum temperatures averaging around 23°C (73°F) and maximums peaking at 29°C (85°F), the warmth is palpable, making it a delightful time for beach outings and outdoor adventures. The average temperature hovers around 26°C (79°F), offering a comfortable environment for both locals and visitors alike. This month marks a slight increase from April, reflecting the gradual rise in temperatures leading into the sweltering summer months ahead. As the days grow longer, the vibrant atmosphere of Luquillo becomes even more enticing, inviting everyone to savor the sun-drenched beauty of this coastal paradise.
In May, Luquillo, Puerto Rico, experiences a noticeable uptick in precipitation, with 109 mm (4.3 in) of rain falling over 26 days. This increase marks a significant shift compared to the preceding months, where April's total rainfall was slightly lower at 79 mm (3.1 in) over 20 days. The trend continues into June, suggesting that May serves as a bridge into the more intense rainy season. This elevated precipitation not only highlights the lush, tropical beauty of the region but also underscores the importance of being prepared for potentially wetter conditions. As the region welcomes the onset of summer, May's rainfall plays a key role in nurturing the vibrant ecosystems that thrive in Luquillo.
In May, humidity in Luquillo, Puerto Rico hovers around a comfortable 75%, aligning with the trends observed in the preceding months. This consistent humidity level suggests that the region experiences a transitional phase as it shifts from the slightly drier conditions of early spring to the more humid summer months. Notably, while January to April exhibit humidity levels between 74% and 76%, the summer months see a gradual uptick, peaking at 80% in both July and August. Overall, May serves as a gentle precursor to the more humid season ahead, offering a pleasant balance that is characteristic of the Caribbean climate.
In May, Luquillo, Puerto Rico, experiences an extreme UV Index of 13, with a burn time of just 10 minutes. This trend of heightened UV levels stretches from February through August, where values consistently hover between 12 and 14, indicating a significant risk for sunburn and skin damage. As summer approaches, the UV intensity remains high, reminding residents and visitors alike to take necessary precautions to protect their skin. Notably, while the UV Index dips to 9 in November and 8 in December, the months leading into the summer present a continuous challenge for sun safety. For more detailed information, visit the Luquillo UV Index.
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In Luquillo, Puerto Rico, May heralds the arrival of peak sunshine, boasting an impressive 357 hours of sunlight—making it the sunniest month of the year. This delightful trend of increasing daylight begins to take shape in the early months when January offers 258 hours, gradually climbing through spring. By March and April, sunshine peaks at 348 hours, but it’s in May that the sun really shines, outpacing the previous months. Following May, the summer months maintain a warm embrace of sunlight, with June and July delivering over 340 hours each. As the year progresses, sunshine hours gradually taper off, yet May stands out as a vibrant highlight in Luquillo's sunny tapestry, inviting residents and visitors alike to soak in the golden rays.
In May, Luquillo, Puerto Rico enjoys a 51% chance of sunny weather, making it one of the more favorable months for sun-seekers. Trends show a slight recovery from the rainier season of April, which sees a lower 44% chance of sunshine. As the year progresses, the likelihood of sunny days tends to drop sharply in the early summer months, particularly in June at just 20%. Thus, while May offers a decent opportunity for beach outings and outdoor activities, it's wise to enjoy the sun while it lasts before the clouds roll in for the summer. This predictable pattern underlines the importance of planning ahead to make the most of the sunny days in Luquillo.
In Luquillo, Puerto Rico, the trend in daylight duration reveals a fascinating rhythm throughout the year. Starting with a consistent 11 hours in the winter months of January and February, the days gradually lengthen as spring arrives, gaining an additional hour by March. By April and May, daylight remains stable at 12 hours, creating a perfect backdrop for outdoor activities. As summer approaches in June and July, daylight peaks at 13 hours, inviting sun-soaked adventures before the days start to shorten again in August and September. The cycle concludes as the daylight returns to 11 hours from October to December, mirroring the winter's gentle embrace. This dynamic pattern showcases Luquillo's inviting climate, making it an ideal destination year-round.
In May, Luquillo, Puerto Rico enjoys a gentle breeze with an average wind speed of 4.2 m/s (9 mph), maintaining a delightful ambiance as the island transitions into summer. This wind speed is a slight uptick from April, which recorded the year’s lowest at 3.7 m/s (8 mph), hinting at a gradual increase as the month progresses and summer nears. Interestingly, wind speeds begin to rise significantly in the following months—June and July both peak at 5.0 m/s (11 mph)—suggesting that the island's weather system gears up for more dynamic conditions. The consistent wind patterns in May, following a relatively lower April, create a perfect backdrop for outdoor adventures, offering comfortable conditions for beachgoers and nature enthusiasts alike.
Weather in Luquillo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Luquillo, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present a pleasing contrast in weather conditions. In May, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). This month experiences more precipitation, totaling 109 mm (4.3 in) over 26 days, and a humidity level of 75%. In contrast, January's temperatures are slightly cooler, with a minimum of 21°C (70°F) and a maximum of 28°C (83°F), averaging 25°C (77°F). Precipitation is also lower in January, with 57 mm (2.3 in) spread across 17 days, and a humidity level of 76%. To explore more about winter weather in this region, check out Luquillo weather in January.
May tends to be warmer than February, with average temperatures in May reaching around 26°C (79°F) compared to February's 24°C (76°F). Additionally, May experiences higher maximum temperatures, peaking at 29°C (85°F) versus February's 27°C (81°F). While both months share a similar humidity level of 75%, May sees significantly more rainfall, averaging 109 mm (4.3 in) across 26 days, as opposed to February's 61 mm (2.4 in) over 21 days. For a more detailed look at February's weather, you can visit Luquillo weather in February.
May weather is generally warmer than March, with minimum temperatures starting at 23°C (73°F) and averaging 26°C (79°F), peaking at a maximum of 29°C (85°F). In comparison, March features slightly cooler temperatures, with a minimum of 22°C (72°F) and an average of 25°C (76°F), reaching a maximum of 28°C (82°F). Additionally, May experiences more precipitation, totaling 109 mm (4.3 in) over 26 days, compared to March's 78 mm (3.1 in) over 22 days. Despite the higher humidity in May at 75%, March maintains a close 74%. For more detailed insights, you can check Luquillo weather in March.
In comparing the weather between April and May, both months exhibit high temperatures, but May tends to be slightly warmer. The minimum temperature in May averages 23°C (73°F), just a degree warmer than April's 22°C (71°F). The average temperature for May is also marginally higher at 26°C (79°F) compared to April's 25°C (77°F). Both months experience a maximum temperature of 29°C (84°F) to 29°C (85°F).
However, precipitation levels differ notably, with May receiving 109 mm (4.3 in) of rain over 26 days, while April has lower rainfall of 79 mm (3.1 in) across 20 days. Both months share the same humidity level of 75%. For a more detailed look at the weather in April, visit Luquillo weather in April.
May and June exhibit similar weather patterns, but with slight variations. In May, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), while June sees a slight increase with a minimum of 24°C (75°F) and a maximum of 30°C (87°F). Precipitation levels are almost identical, with May receiving 109 mm (4.3 in) and June slightly more at 110 mm (4.3 in), both spread over 26 days. Humidity also rises slightly from 75% in May to 77% in June, contributing to the overall warm and humid climate. For a detailed look at weather specifics, you can check this resource: Luquillo weather in June.
In comparing the weather between May and July, both months showcase warm temperatures, but July tends to be slightly hotter. May's temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), while July exhibits a slightly higher range, with a minimum of 24°C (75°F) and a maximum of 30°C (86°F). Additionally, July experiences more precipitation, with 149 mm (5.9 in) over 27 days compared to May's 109 mm (4.3 in) over 26 days. The humidity also increases in July, reaching 80% compared to May's 75%. For a detailed look at July weather, check out Luquillo weather in July.
In comparing the weather between May and August, we observe that both months experience warm temperatures, but August is slightly warmer overall. May has an average temperature of 26°C (79°F), with a range from 23°C (73°F) to 29°C (85°F), while August averages at 27°C (82°F), with temperatures ranging from 24°C (76°F) to 30°C (87°F). Additionally, August sees higher precipitation levels, totaling 153 mm (6.0 in) over 27 days, compared to May's 109 mm (4.3 in) over 26 days. The humidity also increases in August, reaching 80%, which adds to the overall warmth. For more detailed information, you can check Luquillo weather in August.
May and September exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). The month experiences about 109 mm (4.3 in) of precipitation over 26 days, alongside a humidity level of 75%. Conversely, September tends to be warmer with temperatures ranging from 24°C (76°F) to 31°C (88°F) and an average of 27°C (82°F). This month sees significantly higher precipitation at 195 mm (7.7 in) over 28 days, along with increased humidity at 79%. For more detailed insights on September weather, you can visit Luquillo weather in September.
When comparing the weather in May and October, there are some noticeable differences. May features slightly lower temperatures, with a minimum of 23°C (73°F) and an average of 26°C (79°F), compared to October's minimum of 24°C (75°F) and average of 27°C (81°F). Both months experience similar precipitation patterns, with May receiving 109 mm (4.3 in) over 26 days, while October sees a higher total of 187 mm (7.4 in) across the same number of days. Humidity levels are also slightly elevated in October at 78%, compared to 75% in May. For more detailed insights, you can check Luquillo weather in October.
May and November in Luquillo present quite similar weather patterns, characterized by warm temperatures and high humidity. Both months have a minimum temperature around 23°C (73-74°F), with average highs reaching 29°C (85°F). However, November tends to experience slightly more rainfall, with total precipitation of 131 mm (5.2 in) over 25 days compared to May's 109 mm (4.3 in) across 26 days. Additionally, November’s humidity is a touch higher at 78%, compared to May's 75%. For more details on November weather, you can check Luquillo weather in November.
In May, the weather features consistent warmth with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (85°F) and an average of 26°C (79°F). However, it experiences higher precipitation, with 109 mm (4.3 in) falling over 26 days and humidity at 75%. In contrast, December exhibits similar temperature ranges but with less rainfall, accumulating 81 mm (3.2 in) over 24 days and a slightly higher humidity of 76%. For more details on December weather, check out Luquillo weather in December.
As May unfolds in Luquillo, the weather showcases a delightful blend of warmth and humidity, with temperatures averaging a comfortable 26°C (79°F). This month marks a noticeable shift from the drier periods, as it brings an increase in rainfall, resulting in about 26 days of precipitation and a total of 109 mm (4.3 in), making it one of the wetter months. The humidity peaks at 75%, which adds to that tropical feel, contrasting with the cooler and drier months preceding it. This lush environment sets the stage for lush landscapes and vibrant flora, inviting visitors to embrace the beauty of nature. To learn more about the overall climate in Luquillo, visit Luquillo Climate.