Last updated: August 31, 2025
April in Arecibo, Puerto Rico ushers in warm temperatures, with daily highs reaching up to 30°C (87°F) and comforting averages around 25°C (77°F). This vibrant month experiences a minimum temperature of 20°C (69°F), making it an inviting time for visitors. However, adventurers should be prepared for 79 mm (3.1 in) of rainfall over approximately 13 days, contributing to the 75% humidity that characterizes this tropical paradise. Whether you’re enjoying sun-soaked afternoons or occasional refreshing showers, April in Arecibo offers a lush backdrop for exploration and relaxation alike.
In Arecibo, Puerto Rico, April heralds the arrival of slightly warmer temperatures, signaling a transition into the heart of spring. The month begins with a minimum temperature of 20°C (69°F) and boasts an average that climbs to 25°C (77°F), peaking at a delightful 30°C (87°F). This gradual increase from March's consistent warmth showcases the island's tropical climate, where mild evenings and sunny days create an inviting atmosphere for outdoor activities. As April unfolds, residents and visitors alike can enjoy pleasantly warm days, setting the stage for the hotter months ahead while maintaining a comfortable ambiance.
In April, Arecibo experiences a notable shift in its rainfall patterns, with 79 mm (3.1 in) of precipitation falling over 13 days. This amount marks a slight decrease from the 87 mm (3.4 in) recorded in March, reflecting the transition into the drier months of spring. Despite this reduction, April remains a pivotal time for moisture, serving as a precursor to the wetter conditions of late spring and summer. As the island approaches May, which typically sees an increase in precipitation to 98 mm (3.9 in), April's rainfall is crucial for sustaining the lush vegetation that characterizes Puerto Rico's vibrant landscape. The consistent rainfall over 13 days underscores the region's subtropical climate, balancing the humidity and warmth that define this beautiful coastal area.
In April, Arecibo experiences a humidity level of 75%, consistent with the comfortable conditions seen in the preceding months of January through March, where humidity hovered between 74% and 76%. This slight stability in humidity hints at the region's tropical climate, offering a brief respite before the wetter months ahead. As the year progresses into May and June, humidity begins to rise again, ultimately peaking in the height of summer with levels reaching up to 80% in July and August. Overall, April serves as a transitional month, maintaining a balance that keeps the air pleasant and invigorating while setting the stage for the humid summer arrival.
In April, Arecibo, Puerto Rico, experiences an extreme UV Index of 13, indicating a continued trend from the previous month. With a burn time of just 10 minutes, it's crucial for sun-seekers to take protective measures. This level of UV exposure is consistent with the preceding months of February and March, where the UV Index also peaked at 11 and 13, respectively. As we move into May, the UV intensity escalates to 14, making it imperative to stay aware of sun safety throughout this period. Given these levels, April serves as a reminder of the tropical sun's strength; planning outdoor activities during cooler times of the day and utilizing sunscreen is essential. For more detailed information, visit the Arecibo UV Index.
UV Risk Categories
As April unfolds in Arecibo, Puerto Rico, the island basks in a delightful 350 hours of sunshine, marking a peak in the seasonal brightness. Building on the solid foundation of warmth established over the previous months, April showcases a steady increase from March's 346 hours, illustrating a promising trend towards the sunniest days of the year. This month not only sets the stage for even brighter hours in May with an impressive 359 hours, but also strengthens the general pattern of increasing sunlight from the start of the year. As each month progresses, the gradual climb in daylight hours illuminates the vibrant landscapes of Arecibo, inviting both locals and visitors to revel in the delightful warmth of spring.
April in Arecibo, Puerto Rico, serves as a transitional month where the likelihood of sunny weather shows a noticeable dip, with only 49% chance of sunshine. This decline follows a relatively bright March, which boasted a 64% sunny probability, and contrasts with the sunniest February at 75%. As the island approaches the wetter summer months, the chance of clear skies begins to wane, hinting at the onset of rainier conditions ahead. Notably, April's forecast indicates a balanced mix of sunny and cloudier days, reminding visitors that while the sun may not shine as brightly as in preceding months, Arecibo still offers a captivating experience amid its tropical allure.
In Arecibo, Puerto Rico, the daylight duration begins to transition noticeably in April, offering 12 hours of sunlight. This trend of increasing daylight started in March, when the hours crept up to 12, following the steadiness of 11 hours in both January and February. As spring unfolds, daylight peaks in June and July, reaching a maximum of 13 hours, before gradually tapering off as the year progresses into autumn. By October, the daylight returns to earlier levels of 11 hours, creating a rhythmic cycle of light that enhances the tropical experience throughout the year. The consistent rise and fall in daylight not only marks the changing seasons but also invites residents and visitors alike to enjoy Arecibo's vibrant landscape.
In Arecibo, Puerto Rico, the month of April experiences a gentle shift in wind patterns, with an average speed of 3.5 m/s (8 mph). This is notably lower than the preceding months of January through March, which exhibit more robust breezes, averaging around 4.3 to 5.2 m/s. As spring settles in, the April winds bring a calmness that contrasts with the busier gusts of earlier months. Following this lull, the winds pick up again approaching summer, with readings rising to 4.0 m/s in May and peaking in July at 5.1 m/s. This trend indicates a seasonal flow, where the winds soften slightly in April before gaining strength as the sweltering summer heat unfolds, creating a dynamic interplay that characterizes Arecibo’s unique meteorological dance.
Weather in Arecibo varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Arecibo, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January weather in Arecibo present a notable contrast, highlighting the transition from the cooler, drier months to the warmer, wetter season. In January, temperatures range from a minimum of 18°C (65°F) to a maximum of 29°C (84°F), with an average temperature of 24°C (76°F) and relatively low precipitation of 41 mm (1.6 in) over 11 days. In contrast, April sees a slight increase in temperatures, with a minimum of 20°C (69°F) and a maximum of 30°C (87°F), averaging 25°C (77°F). However, April experiences a notable rise in rainfall, totaling 79 mm (3.1 in) over 13 days and maintaining a high humidity level of 75%. For more details on January's weather, you can check Arecibo weather in January.
Comparing the weather in April and February reveals some intriguing similarities and differences. Both months experience a minimum temperature around 20°C (68-69°F) and a high reaching up to 30°C (86-87°F), maintaining a fairly consistent warmth. However, April tends to be slightly warmer overall, with an average temperature of 25°C (77°F), compared to February's 24°C (76°F). Precipitation is notably higher in April, totaling 79 mm (3.1 in) over 13 days, while February sees just 47 mm (1.8 in) over the same number of days. Despite this difference in rainfall, both months share the same humidity level of 75%. For a closer look at February's climate specifics, check out Arecibo weather in February.
In comparing the weather of April and March, we find that both months feature similar temperature ranges, with April having a slightly higher average temperature of 25°C (77°F) compared to March's 24°C (76°F). However, March recorded more days of precipitation (16 days) and a higher total precipitation amount of 87 mm (3.4 in) compared to April's 79 mm (3.1 in). Humidity levels are relatively consistent, with March at 74% and April slightly higher at 75%. For more detailed information on March weather, you can refer to Arecibo weather in March.
In April, the weather features a mild temperature range with a minimum of 20°C (69°F), an average of 25°C (77°F), and a maximum of 30°C (87°F). This month sees moderate rainfall, totaling 79 mm (3.1 in) over 13 days, accompanied by consistent humidity levels at 75%. In contrast, May experiences slightly warmer conditions, with minimum temperatures rising to 22°C (73°F), an average of 26°C (79°F), and maximums reaching 32°C (91°F). Rainfall increases in May, totaling 98 mm (3.9 in) and distributed over 16 rainy days, while humidity remains stable at 75%. For more detailed information, you can visit Arecibo weather in May.
April brings warm temperatures with a minimum of 20°C (69°F) and averages around 25°C (77°F), while June sees a slight increase, with minimums of 23°C (74°F) and an average of 27°C (80°F). Both months experience notable humidity, with April at 75% and June slightly higher at 77%. Precipitation levels are also comparable, with April receiving 79 mm (3.1 in) over 13 days and June experiencing a bit more rainfall at 90 mm (3.5 in) across 14 days. For more detailed information, you can check Arecibo weather in June.
April and July exhibit some notable differences in weather patterns. In April, the temperatures range from a minimum of 20°C (69°F) to a maximum of 30°C (87°F), with an average of 25°C (77°F). The month experiences a total precipitation of 79 mm (3.1 in) across about 13 days and has a humidity level of 75%. In contrast, July is warmer, with minimum temperatures starting at 24°C (75°F) and reaching up to 32°C (90°F), averaging around 27°C (81°F). July also sees a slight increase in precipitation, totaling 91 mm (3.6 in) over 16 days, along with a modest increase in humidity at 80%. For a more detailed look at July's weather specifics, you can visit Arecibo weather in July.
April and August exhibit distinct weather patterns, reflective of the transition from spring to summer. In April, temperatures range from a minimum of 20°C (69°F) to a maximum of 30°C (87°F), with an average of 25°C (77°F). The month sees about 79 mm (3.1 in) of precipitation over roughly 13 days, accompanied by a humidity level of 75%. In contrast, August is warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), and an average of 27°C (81°F). Rainfall increases to 104 mm (4.1 in) over 19 days, and humidity rises slightly to 80%. For more details on the weather in August, visit Arecibo weather in August.
In April, temperatures in Arecibo typically range from a minimum of 20°C (69°F) to a maximum of 30°C (87°F), with an average of 25°C (77°F). The month sees a moderate level of rainfall at 79 mm (3.1 in) over about 13 days, accompanied by a humidity level of around 75%. In contrast, September experiences warmer temperatures, with minimums of 24°C (75°F) and maximums reaching up to 32°C (90°F), averaging 27°C (81°F). However, it also brings significantly more precipitation, totaling 205 mm (8.1 in) across approximately 23 days, and slightly higher humidity at 79%. For more detailed information, you can check Arecibo weather in September.
April and October both offer warm temperatures, but October tends to be slightly hotter, with average temperatures reaching 27°C (80°F) compared to April's 25°C (77°F). In October, the minimum temperature is also higher at 23°C (74°F), while the maximum temperature can peak at 31°C (89°F). However, October experiences significantly more rainfall, with 161 mm (6.4 in) of precipitation over 23 days, compared to April's 79 mm (3.1 in) over just 13 days. Humidity remains relatively consistent, at 75% in April and 78% in October. For a more detailed look, you can check out Arecibo weather in October.
April and November present relatively warm weather conditions, albeit with some differences. In April, temperatures range from a minimum of 20°C (69°F) to a maximum of 30°C (87°F), with an average of 25°C (77°F). The month experiences about 79 mm (3.1 in) of precipitation over 13 days, combined with a humidity level of 75%. Conversely, November sees slightly higher temperatures, with a minimum of 22°C (72°F) and a maximum of 31°C (88°F), averaging 26°C (79°F). However, it also has increased precipitation at 109 mm (4.3 in) spread over 18 days, resulting in a humidity level of 78%. For more detailed weather information, you can check Arecibo weather in November.
In April, temperatures range from a minimum of 20°C (69°F) to a maximum of 30°C (87°F), with an average of around 25°C (77°F). The month sees considerable precipitation, with 79 mm (3.1 in) over 13 days, contributing to a high humidity level of 75%. In contrast, December offers slightly warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 31°C (88°F), maintaining the same average of 25°C (77°F). However, December experiences less rainfall, totaling 45 mm (1.8 in) over 15 days, and a marginally higher humidity of 76%. For more insights on December weather, you can check Arecibo weather in December.
As April unfolds in Arecibo, expect a delightful transition into warmer temperatures that stand out from the cooler months. With a pleasant average temperature hovering around 25°C (77°F), the vibrant atmosphere is complemented by an increase in humidity levels, averaging 75%. However, visitors should be prepared for occasional rain, as this month typically experiences around 13 days of precipitation, contributing to a total of 79 mm (3.1 in). This mix of warmth and moisture often enhances the region's lush landscapes, making it an appealing time for those who appreciate the tropical surroundings. For a deeper dive into what the climate has to offer throughout the year, explore Arecibo Climate.