Last updated: August 31, 2025
May in Guanica, Puerto Rico is characterized by a pleasant tropical climate, with average temperatures ranging around 26°C (79°F). The month experiences maximum temperatures peaking at 30°C (86°F), providing a warm environment perfect for outdoor adventures. Nights are comfortably mild, with minimum temperatures dropping to 23°C (73°F). However, this month also brings a splash of rain, with a total precipitation of 59 mm (2.3 in) across approximately 12 rainy days. Humidity levels hover around 76%, contributing to the lush, vibrant landscapes that make Guanica a summer paradise. Enjoy the warmth, but be prepared for occasional showers!
In May, Guanica, Puerto Rico begins to welcome the warm embrace of summer, with temperatures rising noticeably compared to the previous months. The minimum temperature settles at a pleasant 23°C (73°F), while the average climbs to a comfortable 26°C (79°F). Daytime highs can reach up to 30°C (86°F), marking a shift towards the hotter season. This gradual increase reflects the broader warming trend from April, making May a delightful time to explore the island's vibrant scenery and enjoy the sun-soaked beaches. As the month progresses, residents and visitors alike can relish the perfect blend of warmth and tropical breezes, signaling the onset of the summer months ahead.
In May, Guanica, Puerto Rico, experiences a notable shift in precipitation dynamics, with 59 mm (2.3 in) of rain falling over 12 days. This represents an upward trend from the preceding months, where April also saw 49 mm (1.9 in) but with more significant rainfall variability. As the region transitions into the summer months, the increase in precipitation serves as a precursor to the heavier rains of June and July, hinting at the onset of a wetter season. The elevation in rainfall not only reflects changes in local weather patterns but also sets the stage for lush vegetation, contributing to the vibrant ecology that defines this coastal locale.
As May arrives in Guanica, Puerto Rico, the humidity remains steady at 76%, mirroring the levels from the previous months of January through April. This consistency hints at the tropical climate's embracing warmth as the region transitions into summer. However, as the mercury rises in June and beyond, humidity levels begin to climb, reaching a peak of 81% in July. This gradual increase reflects the typical pattern of humidity growth as the island gears up for its hotter months, establishing a lush and vibrant environment that characterizes this beautiful coastal haven.
In Guanica, Puerto Rico, the UV Index peaks in May with a striking 14, categorized as extreme. This trend marks a consistent escalation from earlier months, starting at a very high index of 9 in January and progressively reaching the extreme levels of 13 in several months leading up to May. With a burn time of just 10 minutes during this month, it’s essential for sun seekers to be vigilant about sun protection. Following May, the index remains high through June and July, emphasizing the importance of safeguarding skin during these sun-drenched months. For those looking to plan their outdoor activities, understanding this index is crucial; learn more at Guanica UV Index.
UV Risk Categories
May shines brightly in Guanica, Puerto Rico, boasting an impressive 363 hours of sunshine. This delightful month marks a peak in daylight hours, continuing the upward trend begun in January with 262 hours and steadily increasing each month. After a gradual rise to 353 hours in April, May's sun-soaked days provide the perfect backdrop for outdoor adventures and relaxation. Following May, the sunshine dips slightly in June to 352 hours and remains fairly consistent through to August, creating an inviting climate that encourages visitors to soak in the natural beauty of this tropical paradise.
In Guanica, Puerto Rico, the likelihood of sunny weather in May stands at 57%, a modest increase from the previous month, April, which peaked at only 49%. This uptick indicates a slight shift towards more favorable conditions as spring gives way to summer. Notably, the sun shines brightest in February with an impressive 79% chance, showcasing the island's potential for delightful weather in the early months of the year. However, as summer approaches, the chances of sun dip markedly in June to 32%—the lowest of the year—highlighting a trend where May offers a sweet spot of sunshine before the sultry summer days arrive.
In Guanica, Puerto Rico, the daylight duration exhibits a delightful rhythm throughout the year. The year begins with a steady 11 hours of daylight in both January and February, gradually increasing to 12 hours by March and maintaining that length through April and May. As summer approaches, daylight stretches to 13 hours in June and July, offering longer days perfect for outdoor activities. The trend then shifts, with daylight reducing back to 12 hours from August to September, before tapering off again to 11 hours from October to December. This pattern captures the essence of tropical living, balancing between vibrant sunlight and the cozy embrace of twilight.
In Guanica, Puerto Rico, the winds of May bring a gentle breeze, averaging 4.4 m/s (10 mph), slightly stronger than the preceding months of April and March. This uptick in wind speed hints at the region's transition into the summer months, as June and July follow with even higher averages of 4.8 m/s (11 mph) and 5.1 m/s (12 mph), respectively. As spring unfolds, the consistency and gradual increase in wind speeds not only enhance the pleasant warmth but also create an inviting atmosphere for outdoor activities. By May, locals and visitors alike can relish the refreshing air while enjoying the stunning coastal scenery that Guanica has to offer.
Weather in Guanica varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Guanica, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, temperatures typically range from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), resulting in an average of 26°C (79°F). This month sees more rainfall, with around 59 mm (2.3 in) of precipitation over approximately 12 days, while humidity remains consistently high at 76%. In contrast, January presents a milder climate, with temperatures varying from a minimum of 19°C (67°F) to a maximum of 29°C (84°F), averaging 25°C (77°F). The precipitation is significantly lower at 18 mm (0.7 in), falling over just 4 days, yet the humidity level remains the same at 76%. For more information, check out Guanica weather in January.
When comparing the weather in May and February, May tends to be slightly warmer with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), while February has average temperatures between 21°C (70°F) and 29°C (85°F). Additionally, May experiences more precipitation with 59 mm (2.3 in) over 12 days, compared to February's lighter rainfall of 26 mm (1.0 in) over just 5 days. Humidity levels are quite similar in both months, hovering around 76% in May and 75% in February, making for a consistently warm and humid climate. For more specific information about February weather, you can visit Guanica weather in February.
In comparing the weather of May and March, May tends to be slightly warmer with average temperatures reaching 26°C (79°F) compared to March's 24°C (76°F). While both months exhibit similar humidity levels—76% in May and 75% in March—May receives a bit more rainfall, averaging 59 mm (2.3 in) over 12 days, in contrast to March's 49 mm (1.9 in) rainfall spread over 11 days. For more detailed information on March weather, visit Guanica weather in March.
In comparing the weather of April and May, we see a slight increase in temperature during May, with average highs reaching 30°C (86°F) compared to April's maximum of 29°C (84°F). The minimum temperatures in May also rise to 23°C (73°F), slightly above April's 21°C (70°F). While both months experience similar humidity levels at 76%, May receives a bit more rainfall, totaling 59 mm (2.3 in) across 12 days, whereas April has 49 mm (1.9 in) over 14 days. For more information about April weather, you can check Guanica weather in April.
In comparing the weather of May and June, we find some notable similarities and slight variations. Both months experience a minimum temperature of around 23°C (73°F), while June sees a marginally higher average temperature of 27°C (80°F) compared to May's 26°C (79°F). Additionally, June reaches a maximum temperature of 31°C (88°F), just a degree higher than May's maximum of 30°C (86°F). Precipitation is slightly lower in June, with 53 mm (2.1 in) spread over 12 days, compared to May's 59 mm (2.3 in) on the same number of days. Humidity is also a tad higher in June at 78%, compared to May's 76%. For those interested in a more detailed analysis, you can check out the Guanica weather in June.
In May, temperatures in Guanica range from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), with an average of 26°C (79°F). The month experiences some rainfall, totaling 59 mm (2.3 in) over approximately 12 days, and humidity levels sit at around 76%. In contrast, July sees slightly warmer conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), averaging 27°C (81°F). However, July also brings increased precipitation, averaging 86 mm (3.4 in) over about 16 days, while humidity climbs to 81%. For more details, you can check Guanica weather in July.
May and August both feature warm temperatures, but there are distinct differences in their weather patterns. In May, the temperatures range from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), with an average around 26°C (79°F). The month experiences 59 mm (2.3 inches) of precipitation over about 12 days, and humidity levels sit at 76%. In contrast, August sees a slight increase in temperatures, with averages rising to 27°C (81°F) and maximums reaching 32°C (90°F). Additionally, August is wetter, recording 96 mm (3.8 inches) of rain over 16 days, with humidity rising to 80%. For more detailed information about August weather, you can visit Guanica 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 30°C (86°F), with an average temperature of 26°C (79°F). The month sees approximately 59 mm (2.3 in) of precipitation over 12 days and maintains a humidity level of 76%. Conversely, September tends to be slightly warmer, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). However, it is also much wetter, receiving around 159 mm (6.2 in) of rain over 21 days, coupled with a slight increase in humidity at 79%. For more insights into the weather specifics, visit Guanica weather in September.
In comparing the weather between May and October, we see that both months exhibit warm temperatures, with October slightly warmer overall. In May, the minimum temperature is 23°C (73°F) and the average is 26°C (79°F), leading up to a maximum of 30°C (86°F). October, on the other hand, has a minimum of 24°C (75°F) and an average of 27°C (80°F), culminating in a maximum of 31°C (88°F). Additionally, October experiences higher precipitation levels, with 102 mm (4.0 in) over 20 days compared to May's 59 mm (2.3 in) spread across 12 days. Humidity levels are also slightly elevated in October at 78%, compared to 76% in May. For more detailed insights, you can refer to Guanica weather in October.
In comparing the weather between May and November, both months present similar average temperatures, with minimums around 23°C (73°F) and averages of 26°C (79°F). However, November slightly edges out with a higher maximum temperature of 31°C (88°F) compared to May's 30°C (86°F). Precipitation increases in November, with 91 mm (3.6 in) over 15 days, compared to May's 59 mm (2.3 in) over 12 days, resulting in a slightly more humid atmosphere, which is 78% in November versus 76% in May. For further details on November weather, you can check Guanica weather in November.
May and December present quite similar weather patterns, with both months boasting an average temperature of around 26°C (79°F). May tends to be slightly warmer, with maximum temperatures reaching up to 30°C (86°F) and a higher average humidity of 76%. In contrast, December experiences slightly cooler temperatures, with minimums at 22°C (72°F), and generally less rainfall, featuring only 25 mm (1.0 in) of precipitation over about 7 days. Overall, while both months share comparable heat, May is marked by increased humidity and rainfall compared to the drier December. For a closer look at December weather specifics, you can check Guanica weather in December.
In May, Guanica transitions into its warmer months, showcasing a delightful average temperature that hovers around a comfortable 26°C (79°F). Compared to the cooler spring months, this shift brings a noticeable increase in warmth, encouraging outdoor activities. However, potential visitors should be mindful of the slightly elevated humidity levels, which can make the temperatures feel a bit warmer than they are. With about 12 days of rain and total precipitation of 59 mm, May does offer some wet days, but they are often interspersed with sunny skies, allowing for a pleasant balance. For a deeper dive into the year-round weather patterns, check out Guanica Climate.