Last updated: August 27, 2025
Willemstad in May offers a warm tropical climate, with maximum temperatures reaching 31°C (88°F), while the average temperature hovers around a comfortable 13°C (56°F). Despite this warmth, travelers should prepare for occasional rain with precipitation totaling 66 mm (2.6 in) over approximately 12 days of the month. Adding to the vibrant atmosphere, humidity levels average a high 82%, creating a lush, tropical ambiance. Overall, May in Willemstad is a harmonious blend of warmth and refreshing showers, perfect for enjoying the island's beauty.
In May, Willemstad, Netherlands, experiences a noticeable shift in temperature, with minimums rising to 1°C (34°F) and maximums peaking at a warm 31°C (88°F). This month marks a vibrant transition as the average temperature climbs to 13°C (56°F), hinting at the arrival of summer. Compared to the colder months of January through April, which see max temperatures ranging from 14°C (58°F) to 27°C (82°F), May serves as a gateway to the warmth ahead. The gradual increase in temperatures not only enhances outdoor activities but also invites a vibrant atmosphere, as residents and visitors alike begin to embrace the sun-drenched days that are characteristic of the season.
May in Willemstad, Netherlands, sees a moderate precipitation level of 66 mm (2.6 in), marking a slight increase from the previous month's totals. With about 12 days of rain, May maintains a fairly consistent pattern in the region's precipitation trends, echoing the wetter months of January to March, which boast higher averages. The rainfall in May suggests a transitional phase as the city moves towards the more humid summer months, with both precipitation and rainy days gradually increasing. This month’s precipitation not only provides a refreshing backdrop for the blossoming spring scenery but also sets the stage for the upcoming wetter weeks of June and July, where averages climb to 73 mm (2.9 in) and 77 mm (3.0 in) respectively.
In May, Willemstad experiences a notable shift in humidity, with levels dropping to 82%—the lowest since January. This gradual decline from a high of 91% in January highlights a trend of decreasing humidity as the region transitions into the warmer months. Following this pattern, the humidity remains stable at 82% into June, suggesting a brief but pleasant reprieve from the higher levels typical of earlier in the year. As summer approaches, humidity continues to taper off, indicating a shift to a more comfortable atmosphere, ideal for experiencing the vibrant culture and scenic views that Willemstad has to offer.
As spring transitions into summer in Willemstad, Netherlands, the UV Index in May rises to a high level of 7, signaling an increased need for sun protection. This marks a notable shift from the moderate levels seen in the previous months, such as April's 5 and March's 4. With a burn time of just 25 minutes, it’s essential to take precautions during outdoor activities. The sun's intensity continues to climb in the following months, peaking at 8 in June and July, reminding residents and visitors alike of the importance of skin care during the sunny season. For detailed information on the UV Index throughout the year, visit Willemstad UV Index.
UV Risk Categories
As the vibrant city of Willemstad, Netherlands, welcomes May, residents and visitors alike bask in an impressive 409 hours of sunshine—the perfect invitation to explore its colorful streets and stunning architecture. This month marks a peak in sunlight hours, continuing an upward trend that begins in the early months of the year, with January's 120 hours blossoming into a full-fledged sunny experience by late spring. April's gradual increase sets the stage for May's brilliance, showcasing a spectacular transition where the sunny days continue to grow, peaking in June with 415 hours. The summer months maintain this radiant rhythm, with July seeing the most sunshine, before gradually tapering off into the cozy autumn days. From the cold beginnings of the year to the sun-kissed vibrancy of May, Willemstad captures the essence of warmth, making it an ideal destination for those seeking a bright escape.
In Willemstad, Netherlands, May typically sees a 32% chance of sunshine, which reflects a dip from the increasing trend observed in the preceding months. After a gradual rise in sunny days from January's 14% to April's 42%, May marks a slight decrease, aligning closer to the averages seen in the summer months of June and July. This fluctuation reveals that while May is generally brighter than the winter months, it is somewhat less reliable for sunny weather compared to its spring predecessor. As the year progresses into summer, the chances of sun consistently fluctuate around this 30-37% range, making May a transitional period with a blend of warm days and unpredictable weather.
As spring transitions into summer, Willemstad experiences a notable increase in daylight hours. Starting from a modest 8 hours in January, the days gradually lengthen, reaching an invigorating 15 hours by May. This trend continues into June and July, where daylight peaks at 16 hours, offering ample time for outdoor activities and exploration. However, as summer wanes in August, daylight begins to decrease, dropping to 14 hours, and continues to decline into the fall months. This cyclical rhythm not only enhances the charm of the seasons but also invites residents and visitors alike to savor the long, sunlit days of late spring and early summer.
In Willemstad, the winds of May bring a gentle breeze, with an average speed of 4.2 m/s (9 mph), slightly higher than the previous month’s 3.9 m/s (9 mph) in April. This moderate wind pattern is characteristic of spring, providing a refreshing atmosphere as the landscape blooms. Observing the trends throughout the year, it’s notable that wind speeds tend to fluctuate, peaking again in October at 4.5 m/s (10 mph) and dipping to the year’s lowest point in June, where it averages just 3.0 m/s (7 mph). Overall, May stands as a transition month, balancing the lighter breezes of late spring with the stronger gusts approaching summer.
Weather in Willemstad varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Willemstad, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, temperatures range from a cool 1°C (34°F) at night to a warm 31°C (88°F) during the day, with an average of 13°C (56°F). The month experiences 66 mm (2.6 in) of precipitation over approximately 12 days, along with a humidity level of 82%. In contrast, January is characterized by much colder temperatures, with a minimum of -7°C (19°F), an average of 5°C (40°F), and a maximum of 14°C (58°F). Precipitation in January is slightly lower at 59 mm (2.3 in), but the humidity is higher at 91%. For a detailed look at January's climate, you can visit Willemstad weather in January.
May and February present distinctly different weather patterns. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 31°C (88°F), with an average of 13°C (56°F) and a relatively high humidity level of 82%. This month experiences approximately 66 mm of precipitation over 12 days. In contrast, February is much cooler, with temperatures starting at a minimum of -10°C (15°F) and reaching a maximum of 18°C (65°F), along with an average temperature of 5°C (42°F). The month sees a similar amount of precipitation—65 mm over 12 days—but with slightly higher humidity at 89%. For more details about February's climate, you can visit Willemstad weather in February.
In comparing the weather of May and March, it's clear that May presents a much warmer climate with average temperatures around 13°C (56°F), peaking at 31°C (88°F), while March averages only 7°C (45°F) with a maximum of 22°C (72°F). While both months receive similar levels of precipitation—with May recording 66 mm (2.6 in) over 12 days and March slightly higher at 70 mm (2.8 in) over 14 days—March experiences a colder and more humid atmosphere with an average humidity of 87% compared to May's 82%. For those interested in detailed information, more can be found at Willemstad weather in March.
In comparing the weather between April and May, we see some notable differences. May boasts a broader temperature range, with a minimum of 1°C (34°F), an average of 13°C (56°F), and a maximum of 31°C (88°F), while April's temperatures range from a low of -2°C (28°F) to a high of 27°C (82°F), resulting in a slightly cooler average of 10°C (50°F). Additionally, May experiences more precipitation, with 66 mm (2.6 in) over 12 days, compared to April's 43 mm (1.7 in) over 9 days. Humidity levels are also comparable, at 82% for May and 85% for April, indicating a consistent level of moisture in the air. For a detailed look at April's weather, you can visit Willemstad weather in April.
May and June exhibit a noticeable shift in weather patterns, with June generally experiencing warmer temperatures. In May, temperatures range from a chilly minimum of 1°C (34°F) to a maximum of 31°C (88°F), while June sees a higher minimum at 8°C (46°F) and an average of 18°C (64°F). Although both months have similar humidity levels of 82%, June tends to be slightly wetter, receiving 73 mm (2.9 in) of precipitation over 10 days compared to May's 66 mm (2.6 in) over 12 days. For more detailed weather information, you can visit Willemstad weather in June.
In May, the weather tends to be milder with temperatures ranging from a chilly 1°C (34°F) to a warmer 31°C (88°F), averaging around 13°C (56°F). This month sees about 66 mm (2.6 in) of precipitation over 12 days, accompanied by relatively high humidity at 82%. In contrast, July experiences higher temperatures, with a minimum of 8°C (46°F) and a scorching maximum reaching 39°C (102°F), averaging 18°C (66°F). Although July is slightly wetter with 77 mm (3.0 in) of precipitation over 13 days, the humidity remains similar at 80%. For a more detailed look at July’s climate, you can check Willemstad weather in July.
When comparing the weather in May and August, one can observe notable differences in temperature and precipitation. May experiences a wider temperature range, with minimums dropping to 1°C (34°F) and maximums reaching up to 31°C (88°F). In contrast, August maintains milder minimum temperatures at 9°C (48°F) and slightly higher maximums of 34°C (94°F), with an average temperature of 19°C (66°F). Precipitation is also more prevalent in August, totaling 85 mm (3.3 in) across 14 days, compared to May's 66 mm (2.6 in) over 12 days. Humidity levels are slightly higher in May at 82%, whereas August sees a more comfortable 76%. For more detailed information, check out the Willemstad weather in August.
May and September both feature similar maximum temperatures, reaching up to 31°C (88°F) and 31°C (89°F), respectively. However, May tends to start out cooler, with minimum temperatures at 1°C (34°F) compared to September's slightly warmer 3°C (38°F). The average temperatures are also marginally higher in September, at 15°C (60°F), versus May's 13°C (56°F). Both months experience comparable precipitation levels, with 66 mm (2.6 in) of rain falling over 12 days in May and 11 days in September. Interestingly, humidity remains constant at 82% for both months, contributing to the overall feel of the weather. For additional details, you can check this link: Willemstad weather in September.
In May, temperatures range from a chilly 1°C (34°F) at night to a warm 31°C (88°F) during the day, with an average of 13°C (56°F). The month experiences around 66 mm (2.6 in) of rain over 12 days, accompanied by a humidity level of 82%. In contrast, October sees slightly cooler temperatures, with lows of 2°C (36°F) and highs reaching 26°C (78°F), averaging 12°C (54°F). Precipitation increases to 89 mm (3.5 in) over 14 days, and the humidity rises to 89%. This comparison highlights the transition from the warm, varied May weather to the cooler, wetter conditions typical of October. For more detailed insights, check out Willemstad weather in October.
When comparing the weather in May and November, there are notable differences in temperature and humidity levels. May typically experiences a wider temperature range, with minimums around 1°C (34°F) and maximums peaking at 31°C (88°F), resulting in an average of 13°C (56°F). In contrast, November's temperatures are cooler, ranging from a minimum of -2°C (29°F) to a maximum of 19°C (66°F), averaging 8°C (46°F). Both months share a similar number of precipitation days, around 12, but May sees a bit more rainfall at 66 mm (2.6 in) compared to November’s 55 mm (2.2 in). Additionally, November's humidity is slightly higher at 92%, compared to May's 82%. For more insights into November weather, you can visit Willemstad weather in November.
May and December present distinct weather patterns. In May, temperatures range from a minimum of 1°C (34°F) to a warm maximum of 31°C (88°F), with an average of 13°C (56°F). The month experiences a total precipitation of 66 mm (2.6 in) over 12 days, accompanied by relatively high humidity at 82%. In contrast, December features much chillier conditions, with temperatures dipping as low as -4°C (24°F) and peaking at 14°C (58°F), averaging only 6°C (43°F). This month also sees increased precipitation at 92 mm (3.6 in) over 17 days and even higher humidity at 92%. For a more detailed overview, you can check Willemstad weather in December.
As May unfolds in Willemstad, residents and visitors alike experience a delightful transition into warmer weather, with temperatures gradually rising compared to the cooler previous months. The average humidity of 82% combined with frequent precipitation—informing us that May can bring unexpected rainfall—creates a unique atmosphere that's both refreshing and vibrant. Unlike the drier winter months, the pleasant warmth and occasional showers position May as a time of blossoming nature and lively outdoor activities. For a deeper dive into how May's climate compares to other months, check out Willemstad Climate.