Last updated: August 31, 2025
May in Loiza, Puerto Rico ushers in warm temperatures and higher humidity, making it a vibrant month for both locals and visitors. With maximum temperatures reaching up to 32°C (90°F) and an average of 27°C (80°F), the days are typically sun-kissed. However, the minimum temperature rarely dips below 23°C (73°F), providing mild evenings. Rain is a frequent visitor, with an average precipitation amount of 64 mm (2.5 in) spread across approximately 13 days of the month. The humidity levels settle around 75%, creating a tropical atmosphere that enhances the lush landscapes of Loiza. This unique weather pattern makes May an ideal time for experiencing the island's natural beauty, even as brief showers refresh the scenery.
In Loiza, Puerto Rico, May marks a noticeable shift toward warmer temperatures, with minimums reaching 23°C (73°F) and maximums peaking at 32°C (90°F). This month experiences an average temperature of 27°C (80°F), reflecting a gradual increase from the previous months. As spring transitions into summer, the warmth intensifies, making it the ideal time for outdoor activities and exploring the vibrant coastal scenery. The consistent rise in temperatures from April to May sets the stage for the hotter months ahead, inviting locals and visitors alike to revel in the sun-soaked paradise that is Loiza.
In May, Loiza, Puerto Rico, experiences a notable increase in precipitation, with a total of 64 mm (approximately 2.5 inches), marking a slight uptick from April's 56 mm. This month sees rain on 13 days, providing a refreshing transition into the wetter summer season. As the patterns evolve, the precipitation in May not only sets the stage for the approaching humid months but also reflects a consistent trend of increasing rainfall as the year progresses. Following May, June typically registers even higher totals, suggesting that the region is preparing for more robust rainfall, particularly as it heads into the peak of the rainy season. Overall, May serves as a bridge, balancing the drier early months with the rainier days ahead.
In Loiza, Puerto Rico, May enjoys a consistent humidity level of 75%, mirroring the relative comfort of previous months like February and April. This stability suggests a mild climate as the island transitions from the cooler months into the warmer summer ahead. Notably, humidity begins to rise in June, reaching 77%, and continues to increase through the summer months, peaking at 80% in both July and August. This trend illustrates how Loiza’s humid tropical environment becomes more pronounced as the year progresses, offering a lush backdrop for both residents and visitors alike.
In May, Loiza, Puerto Rico experiences a notably high UV Index of 14, categorizing the exposure as extreme. This intense UV radiation means that you should be particularly vigilant as skin damage can occur in just 10 minutes without proper protection. Following the trend set in the previous months, including April and March both at 13, May firmly continues the pattern of extreme UV levels seen during the transitional spring months. As the summer approaches, the consistently elevated UV Index levels highlight the importance of sun safety practices. For more detailed information on UV trends throughout the year, check out Loiza UV Index.
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May is a shining gem in Loiza, Puerto Rico, boasting an impressive 356 hours of sunlight, which is the pinnacle of the year’s sunshine tally. This month marks a delightful transition, as it follows a consistent rise in brightness from the cooler months of January through April. The increasing daylight hours in early spring pave the way for May's sunny embrace, allowing locals and visitors alike to bask in the warmth and vibrancy that characterizes the island. As summer approaches, the sunshine remains plentiful, settling at robust levels throughout June and July, while still outshining many of the preceding months. This trend not only highlights May as a peak moment for sunshine lovers, but also sets the tone for the sunny months ahead, making it an ideal time to explore Loiza’s natural beauty.
In Loiza, Puerto Rico, the likelihood of sunny weather sees a subtle rise in May, with a 56% chance of sun illuminating the landscape. This figure sits comfortably above the April average of 49%, indicating a promising start to the summer season. As we glance at the trends across the year, February stands out with a remarkable 70%, while the summer months of June and July dip significantly, dropping to 24% and 43% respectively. This seasonal pattern highlights May as a delightful month to enjoy the outdoors before the umbrella might become a more necessary accessory in the heat of summer. Embrace May's mild and sunny potential!
In Loiza, Puerto Rico, the daylight duration follows a captivating rhythm throughout the year. Starting with a consistent 11 hours of daylight in both January and February, the days gradually lengthen as spring approaches, with March and April experiencing a modest increase to 12 hours. This trend of longer days reaches its peak in the summer months of June and July, where daylight extends to an inviting 13 hours. As summer fades, daylight gradually recedes, returning to 12 hours in August and September. By the time October rolls around, the sun sets earlier, and daylight diminishes back to 11 hours, continuing this familiar cycle through the end of the year. Thus, the pattern of daylight in Loiza highlights the island's vibrant transition between the light-filled days of summer and the more tranquil hours of winter.
In Loiza, Puerto Rico, the May winds bring a refreshing breath of air, averaging around 4.4 m/s (10 mph), slightly higher than the preceding month of April. This gentle yet invigorating breeze serves as a precursor to the more robust currents that arrive during the summer months, with winds steadily increasing in June and July. Comparing the trend throughout the year, it's evident that the winds of May sit comfortably in the middle range of the annual spectrum, providing a delightful balance between calm and energy. As the tropical heat begins to ramp up, the May winds offer a perfect backdrop for outdoor adventures and coastal activities, making this month an inviting transition into the vibrant summer season.
Weather in Loiza varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Loiza, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, we see some notable differences. May tends to be warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), averaging around 27°C (80°F). In contrast, January offers slightly cooler temperatures, with a minimum of 21°C (69°F) and a maximum of 29°C (85°F), averaging 25°C (77°F). Additionally, May experiences higher precipitation levels of 64 mm (2.5 in) over 13 days, while January has only 38 mm (1.5 in) across 12 days. Humidity levels are similar in both months, hovering around 75% in May and 76% in January. For a detailed look at January weather, you can visit Loiza weather in January.
In comparing the weather between February and May, it's clear that May tends to be warmer and wetter. In February, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (85°F), with an average of 25°C (77°F). In contrast, May features higher temperatures, with a minimum of 23°C (73°F), an average of 27°C (80°F), and a maximum of 32°C (90°F). Additionally, May experiences more precipitation, totaling 64 mm (2.5 in) over 13 days, compared to February's 43 mm (1.7 in) over 12 days. However, both months share the same humidity level of 75%. For more details, you can check Loiza weather in February.
In comparing the weather of May and March, May tends to be slightly warmer, with average temperatures ranging from a low of 23°C (73°F) to a high of 32°C (90°F), while March offers a cooler experience with temperatures between 21°C (71°F) and 30°C (86°F). Precipitation levels are quite similar in both months, with May recording 64 mm (2.5 in) over 13 rainy days, while March has a total of 67 mm (2.6 in) across 14 days. Humidity remains fairly consistent, with May at 75% and March at 74%. For a more detailed look at what to expect, check out Loiza weather in March.
In comparison to April, May brings slightly warmer temperatures, with an average of 27°C (80°F) compared to April's 26°C (78°F). The maximum temperature in May also reaches 32°C (90°F), just a degree higher than April's 31°C (88°F). However, May experiences a bit more precipitation, with 64 mm (2.5 in) over 13 days, while April recorded 56 mm (2.2 in) over 10 days. Despite these changes, both months maintain similar humidity levels at 75%. For more details on April weather, you can check Loiza weather in April.
In May, the weather typically sees temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), with an average temperature of 27°C (80°F). The month experiences about 64 mm (2.5 in) of precipitation over 13 days, accompanied by a humidity level of 75%. In contrast, June shows a slightly warmer minimum temperature of 24°C (75°F) while maintaining the same maximum of 32°C (90°F) and an average temperature of 27°C (81°F). However, June receives a little more rainfall at 68 mm (2.7 in) over 15 days, and the humidity increases to 77%. For more detailed information, you can check Loiza weather in June.
In comparing the weather conditions of May and July, we observe subtle differences in temperature and precipitation. May typically sees a minimum temperature of 23°C (73°F) and an average of 27°C (80°F), while July has slightly warmer temperatures, with a minimum of 24°C (76°F) and an average of 28°C (82°F). Both months can reach up to 32°C (90°F) at their peak, showcasing consistent warmth. However, July experiences greater precipitation, totaling 87 mm (3.4 in) over approximately 18 days, compared to May’s 64 mm (2.5 in) over 13 days. Humidity levels increase slightly from May to July, rising from 75% to 80%. For a more detailed look at July's climate, you can visit Loiza weather in July.
In comparing the weather of May and August, May tends to be slightly cooler, with an average temperature of 27°C (80°F) compared to August's 28°C (82°F). Both months can reach a maximum of 32°C (90°F), but August experiences a bit more precipitation, averaging 99 mm (3.9 in) over 18 days, while May sees 64 mm (2.5 in) across 13 days. Humidity levels are also higher in August at 80%, compared to 75% in May, making August feel a tad more uncomfortable. For more detailed information, check out Loiza weather in August.
May and September share similar high temperatures, both peaking at 32°C (90°F), but there are notable differences in overall weather patterns. In May, temperatures range from a minimum of 23°C (73°F) to an average of 27°C (80°F), with a total precipitation of 64 mm (2.5 in) over 13 days, making it a relatively drier month. In contrast, September experiences slightly warmer conditions with a minimum of 24°C (76°F) and an average of 28°C (82°F), but it significantly increases in rainfall, totaling 173 mm (6.8 in) over 23 days. The humidity is also higher in September at 79%, compared to May's 75%. For more details on September weather, you can check Loiza weather in September.
In comparing the weather between May and October, both months showcase similar average temperatures, hovering around 27°C (81°F). However, October tends to be slightly warmer at night, with a minimum temperature of 24°C (75°F) compared to May's 23°C (73°F). While the maximum temperature remains comparable at 32°C (90°F for May and 89°F for October), October experiences significantly more rainfall, accumulating 145 mm (5.7 in) over 22 days, in contrast to May’s 64 mm (2.5 in) across 13 days. Additionally, humidity levels are slightly higher in October at 78%, compared to 75% in May. For more detailed information on how October weather specifically affects Loiza, visit Loiza weather in October.
May and November exhibit similar temperature ranges, with minimums around 23°C (73°F) and maximums reaching 32°C (90°F) in May and 31°C (87°F) in November. However, May tends to be slightly warmer on average at 27°C (80°F) compared to November's average of 26°C (80°F). Precipitation is notably higher in November, with 106 mm (4.2 in) over 16 days, while May sees less rain at 64 mm (2.5 in) over 13 days. Furthermore, humidity levels are slightly elevated in November at 78%, compared to May's 75%. For more specifics about November weather, you can refer to this link: Loiza weather in November.
In comparing the weather between May and December, both months experience warm temperatures with little variation. May has slightly higher average and maximum temperatures, peaking at 27°C (80°F) and 32°C (90°F) respectively, compared to December's average of 26°C (78°F) and maximum of 31°C (87°F). Precipitation is more pronounced in May, with 64 mm (2.5 in) over 13 days, while December sees less rain at 51 mm (2.0 in) but over a longer duration of 16 days. Humidity levels remain quite similar, with May at 75% and December at 76%, contributing to a consistently tropical feel throughout both months. For more details on December's weather, you can visit Loiza weather in December.
As May unfolds in Loiza, it brings a vibrant mix of warmth and moisture that sets it apart from other months. With temperatures consistently hovering around a comfortable average of 27°C (80°F), it’s a time when the island’s natural beauty truly flourishes. While the humidity rises, peaking at 75%, the pleasant warmth makes it an ideal month for exploring the lush landscapes and picturesque beaches. However, be prepared for occasional rain, as May sees about 13 days of precipitation, totaling 64 mm (2.5 in). This balance of sun and showers encourages the rich greenery and adds a refreshing touch to the tropical climate. For a more detailed look at the weather patterns throughout the year, visit Loiza Climate.