Last updated: August 21, 2025
Experience the vibrant May weather of Puntarenas, Costa Rica, where temperatures soar to a maximum of 31°C (88°F) and average a pleasant 26°C (78°F). This tropical paradise feels warm and inviting, with lows reaching around 22°C (72°F). However, don't forget your umbrella, as May is characterized by significant rainfall, with a total precipitation of 424 mm (16.7 in) over 31 days, resulting in a humidity level of approximately 69%. Embrace the lush landscape and enchanting scenery that flourish under these conditions, making May a captivating month to explore this beautiful coastal region.
In May, Puntarenas, Costa Rica, experiences a delightful shift in temperatures as it gradually warms up, marking the transition into the rainy season. With a minimum temperature of 22°C (72°F) and a comfortable average of 26°C (78°F), the days are ideal for exploring the vibrant coastal landscapes. The maximum reaches a pleasant 31°C (88°F), offering plenty of sunshine while hints of the upcoming rains begin to emerge. This month showcases a slight uptick from April’s figures, indicating that the tropical heat is settling in, yet it remains inviting for beachgoers and nature enthusiasts alike. Travelers can enjoy warm days paired with refreshing evenings, making May a lovely time to experience the natural beauty of the region.
May marks a dramatic peak in precipitation levels for Puntarenas, Costa Rica, with the month experiencing a staggering 424 mm (16.7 in) of rain spread across an entire month filled with 31 rainy days. This surge in moisture follows a significantly drier April, which had 147 mm (5.8 in), indicating a profound transition into the wet season. The contrast becomes even more striking when considering that the dry months of January and February typically see less than 30 mm of rain each. As the region approaches June, precipitation remains consistently high, with similar amounts expected, showcasing the unrelenting nature of the rainy season during this vibrant time of year. The reliability of rain in May, combined with lush, verdant landscapes, embodies the essence of a tropical climate, captivating both residents and visitors alike.
As May arrives in Puntarenas, Costa Rica, humidity begins to weave a subtle yet noticeable increase, settling at 69%—a gentle rise from the preceding months. This uptick marks a transition into the region's wetter season, as the already tropical climate starts to embrace higher moisture levels. Compared to the more moderate 66% to 68% in the earlier months of the year, May’s humidity hints at the impending lushness and vibrant greenery that June and July will bring, with their significantly elevated humidity levels of 84% and 85% respectively. This gradual shift not only adds to the allure of Puntarenas but also sets the stage for the lush beauty that characterizes the region during the heart of the rainy season.
In May, Puntarenas, Costa Rica, experiences an extreme UV Index of 14, marking one of the peak months for sun exposure. This high level of UV radiation, consistent throughout the preceding months of April and March, indicates a critical burn time of just 10 minutes. As the year progresses, the UV Index remains formidable, suggesting that outdoor enthusiasts should take precautions to shield themselves from the intense sun. It's a reminder of the importance of sun safety practices during this season. For more insights into UV radiation trends throughout the year, explore the detailed information at Puntarenas UV Index.
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May in Puntarenas, Costa Rica, offers a charming blend of sunshine and warmth with approximately 261 hours of bright days. As the region transitions from the vibrant, sun-drenched months of February and March—boasting 299 and 332 hours respectively—May's sunlight begins to gently wane. This slight decrease reflects a typical trend as the local climate shifts towards the rainy season, but it still ensures plenty of daylight for exploration and relaxation. Following May, June sees a comparable 260 hours of sunshine, indicating that while the days are getting shorter, the allure of the coastal landscape remains irresistible. Overall, May serves as a delightful capstone to the peak sunshine stretch, inviting visitors to bask in its favorable climate before the rains commence.
As May unfolds in Puntarenas, Costa Rica, the likelihood of sunny weather takes a noticeable dip, with only a 20% chance of sunshine gracing the skies. This marks a significant decline compared to the preceding months, particularly April’s 28%, highlighting the transition into the rainy season. While January and February bask in higher probabilities of clear days, this pattern shifts dramatically as the year progresses, plunging to the lowest points in the summer months of August and September. Travelers should be mindful that as May approaches, the sunny outlook diminishes, paving the way for the lush greenery that characterizes Costa Rica's vibrant rainy season.
In Puntarenas, Costa Rica, May marks the transition into the heart of the dry season, where the daylight duration truly shines. With an average of 12 hours of daylight, May shares its brightness with the preceding months of March and April, all basking in the same generous light. This consistency continues through June and July, providing an extended period of ample sunshine perfect for outdoor activities. As the year progresses into the latter months, daylight gradually diminishes, dropping back to 11 hours by October, suggesting a gentle shift from the warmth of spring into the cooler days of late fall. Overall, the daylight trend reflects a steady balance, offering both residents and visitors a vibrant experience in this coastal paradise.
In Puntarenas, Costa Rica, the winds of May usher in a gentle breeze, averaging 1.6 m/s (4 mph), reminiscent of the transitional patterns seen throughout the preceding months. Following a slight dip from April's 1.7 m/s, May's winds maintain a pleasant calmness as they gradually taper off into the early summer months. As the year progresses into June and July, a notable trend emerges with wind speeds dropping to 1.5 m/s (3 mph), indicating a consistent softness in the air that characterizes the warmer season. This subtle decrease, though barely perceptible, creates an inviting atmosphere for those seeking tranquility amidst the stunning coastal beauty. The overall trend reflects a gentle rhythm of nature, perfect for those looking to relax and soak in the serene environment of Puntarenas.
Weather in Puntarenas varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Puntarenas, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing the weather between May and January reveals some notable differences. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 31°C (88°F), with an average of 26°C (78°F). This month sees significant rainfall, accumulating to 424 mm (16.7 in) over 31 days, contributing to a humidity level of 69%. In contrast, January experiences slightly cooler temperatures, with a minimum of 20°C (69°F) and a maximum of 32°C (90°F), while also averaging 26°C (78°F). However, January is much drier, with only 29 mm (1.1 in) of precipitation over 8 days, and a humidity level comparable at 68%. For more specific details, check out this link: Puntarenas weather in January.
When comparing the weather in May and February, May tends to be warmer and significantly wetter. May experiences average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 31°C (88°F), along with a high level of precipitation totaling 424 mm (16.7 in) spread over 31 days, resulting in a humidity level of 69%. In contrast, February has relatively mild temperatures, with a slightly lower minimum of 20°C (68°F) and a maximum of 33°C (92°F). February also sees a much drier climate, with only 14 mm (0.5 in) of precipitation occurring over just 4 days, maintaining a similar humidity level of 68%. For more details on February weather, you can check Puntarenas weather in February.
In comparing the weather of May and March, we observe that March experiences slightly higher average temperatures, with an average of 27°C (81°F) and a peak of up to 34°C (93°F), while May's temperatures range from a minimum of 22°C (72°F) to a maximum of 31°C (88°F). However, May is characterized by significantly higher precipitation, totaling 424 mm (16.7 in) over 31 days, compared to a mere 20 mm (0.8 in) across only 5 days in March. The humidity levels are comparable, with May at 69% and March slightly lower at 66%. For more detailed information about March weather, you can visit Puntarenas weather in March.
In comparing the weather between April and May, both months exhibit relatively warm temperatures, with May's average at 26°C (78°F) and April's slightly higher at 26°C (79°F). However, April sees a maximum temperature of 33°C (91°F), which is notably warmer than May's peak of 31°C (88°F). In terms of precipitation, May experiences significantly more rainfall, totaling 424 mm (16.7 in) over 31 days, compared to April's 147 mm (5.8 in) across 25 days. The humidity levels are similar, with May at 69% and April slightly lower at 67%. For more detailed insights on April weather, you can refer to Puntarenas weather in April.
In comparing the weather between May and June, both months maintain similar temperature ranges, with minimums around 22°C (72°F), average temperatures at 26°C (78°F), and maximums reaching 31°C (87-88°F). However, June slightly edges out May in terms of humidity, sitting at 84% compared to May's 69%. Precipitation levels are also quite comparable, with May receiving 424 mm (16.7 in) over 31 days, while June sees 421 mm (16.6 in) across 30 days. This suggests that while the temperatures remain stable, June may feel a bit more humid and potentially wetter. For more details, you can check the complete forecast Puntarenas weather in June.
In comparing the weather between May and July, we notice that temperatures remain quite consistent, with both months showcasing an average temperature of 26°C (78°F) and maximums reaching 31°C (88°F). However, May tends to have warmer minimum temperatures, averaging 22°C (72°F) compared to July's 23°C (73°F). Precipitation in May is significantly higher at 424 mm (16.7 in) over 31 days, while July sees decreased rainfall at 365 mm (14.4 in) spread across 30 days. Additionally, humidity levels rise in July, averaging 85% compared to May's 69%. For more insights on July weather in this region, check out Puntarenas weather in July.
In May, temperatures in Puntarenas average around 26°C (78°F), with a range from a minimum of 22°C (72°F) to a maximum of 31°C (88°F). The month is characterized by significant rainfall, totaling 424 mm (16.7 in) over 31 days, and moderate humidity of 69%. In contrast, August experiences slightly cooler temperatures, with an average of 25°C (78°F) and a maximum of 30°C (87°F), while still maintaining a minimum of 22°C (72°F). Precipitation is comparable, with 421 mm (16.6 in) also spread across 31 days, but humidity rises to 82%, making the weather feel more humid. For a more detailed look at August weather in Puntarenas, visit Puntarenas weather in August.
May and September share similar temperature ranges, with May slightly warmer at an average of 26°C (78°F) compared to September's average of 25°C (77°F). Both months experience high humidity levels, but September is notably more humid at 81%, while May sits at 69%. Precipitation amounts are also quite close, with May receiving 424 mm (16.7 in) over 31 days and September slightly less at 422 mm (16.6 in) over 30 days. For more detailed insights on September weather, you can visit Puntarenas weather in September.
May and October present contrasting yet similarly warm weather patterns. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 31°C (88°F), with an average of 26°C (78°F). The month experiences significant rainfall, totaling 424 mm (16.7 inches) over 31 days, while humidity sits at 69%. In contrast, October sees slightly cooler temperatures, with a minimum of 22°C (72°F), an average of 25°C (77°F), and a maximum of 29°C (85°F). However, it is also wetter, with precipitation increasing to 643 mm (25.3 inches) across 30 days and higher humidity levels at 80%. For more detailed information on October weather, visit Puntarenas weather in October.
May and November exhibit warm temperatures, but May tends to be slightly hotter, with average temperatures reaching 26°C (78°F) compared to November's 25°C (77°F). While both months experience a range of temperatures, May peaks at 31°C (88°F), while November reaches a maximum of 30°C (86°F). Precipitation is notably higher in May, with 424 mm (16.7 in) over 31 days, compared to November's 275 mm (10.8 in) across 29 days. Humidity levels are also elevated in November at 80%, contrasted with May's 69%. For a detailed look at November's wet weather, visit Puntarenas weather in November.
May and December exhibit some notable differences in weather patterns. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 31°C (88°F), with an average of 26°C (78°F). However, it is also the wettest month, featuring significant rainfall of 424 mm (16.7 in) over 31 days and a humidity level of 69%. Conversely, December sees slightly cooler temperatures, with a minimum of 21°C (70°F), an average of 25°C (78°F), and a maximum of 31°C (89°F). Precipitation in December drops considerably to 89 mm (3.5 in) across 20 days, with a slightly higher humidity of 72%. For more details on December's weather, you can visit Puntarenas weather in December.
As May unfolds in Puntarenas, the weather shifts to a warmer and more humid vibe, setting it apart from the drier months preceding it. With temperatures reaching up to a balmy 31°C (88°F), the average warmth settles around a comfortable 26°C (78°F), creating the perfect backdrop for tropical adventures. However, this month also brings significant rainfall, with 424 mm (16.7 in) typically falling over 31 days, making it the rainiest month of the year. While the lush landscapes thrive under these conditions, adventurers should be prepared for the frequent showers. For a deeper understanding of how the weather patterns behave throughout the year, visit Puntarenas Climate.