Last updated: August 21, 2025
May in Port-au-Prince, Haiti, presents a warm and humid climate perfect for experiencing the vibrant rhythms of the city. The maximum temperature soars to 31°C (88°F), while the average hovers around a comfortable 24°C (75°F), allowing for enjoyable days and cool evenings. However, the month is marked by significant precipitation, with a total of 184 mm (7.2 in) and rain on 25 days, contributing to a humidity level of 57%. This dynamic weather invites both locals and visitors to embrace the lush landscapes, albeit with an umbrella in hand.
In May, Port-au-Prince reveals a delightful transition into warmer weather, with temperatures showing a noticeable rise. The minimum temperature climbs to 18°C (65°F), setting a comfortable stage for the start of summer. As the month progresses, the average temperature reaches a pleasant 24°C (75°F), while the maximum peaks at a toasty 31°C (88°F). This upward trend in temperatures marks May as an inviting time to explore Haiti's rich culture and vibrant landscapes, as the city basks in increasing warmth and sunny days, ideally suited for outdoor adventures. The gentle ascent in temperature throughout the preceding months hints at the approaching summer, making May a compelling choice for visitors seeking to experience the lively spirit of Port-au-Prince.
In May, Port-au-Prince experiences a notable shift in precipitation patterns, with 184 mm (7.2 in) of rain falling over 25 days—making it one of the wettest months of the year. This increase follows April's record with 190 mm (7.5 in), indicating a continuation of the rainy season. As the region transitions deeper into spring, rainfall becomes more frequent, contributing to the cumulative annual total that peaks later in the year. Comparatively, May's precipitation sets the stage for the upcoming months, with June bringing a slight decline to 132 mm (5.2 in). The consistent rainfall during this time not only enhances the lush landscape but also presents challenges for residents as the wet season fully takes hold.
In May, Port-au-Prince experiences a notable trend in humidity, with levels dropping to 57%—the lowest of the year thus far. This slight decrease continues a pattern established during the spring months, as humidity gradually declined from 65% in January to 58% in April. However, this dip is short-lived, as the summer months bring a rise in humidity, peaking at 71% in August. The transition from the relatively dry May sets the stage for a more humid climate, highlighting the city's dynamic weather patterns.
In May, Port-au-Prince experiences a UV Index of 13, categorized as extreme, which means sun protection is essential, as unprotected skin can burn in just 10 minutes. This trend of high UV levels continues from April, maintaining the same intensity that characterizes the lead-up to the rainy season. The UV Index peaks during these months, alongside June and August, indicating that outdoor activities should be planned with caution. As the days grow longer and more intense, it’s crucial to stay informed about daily UV levels to ensure safety. For detailed information and updates, visit Port-au-Prince UV Index.
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In May, Port-au-Prince basks in a delightful 338 hours of sunshine, setting a radiant tone as the city transitions into the summer months. The sun-drenched days of May follow a steady upward trend in daylight hours that begins in January and culminates in the sunniest months of the year in July, where residents enjoy a peak of 355 hours. This gradual increase, marked by vibrant March and April, signifies the region's warm embrace of longer days, encouraging both locals and visitors to revel in outdoor activities and the beauty of Haitian landscapes. As the rainy season approaches in the subsequent months, May stands as a golden bridge between the gentle spring warmth and the sun-soaked heights of summer, highlighting the region's captivating climate.
In May, Port-au-Prince, Haiti experiences a 43% chance of sunny weather, which slightly dips from April's 40%. Overall, this transitional period marks a gradual shift toward lower sunshine probability as the rainy season approaches. Following the sunniest months of January and February, the likelihood of clear skies begins to fluctuate, with June seeing a further decline to 36%. However, compared to the surrounding months, May holds its own, offering a balanced mix of sunshine and potential cloud cover, making it a great time for outdoor activities before the heavy rains of summer settle in.
In Port-au-Prince, Haiti, May marks a delightful transition into longer days, with daylight extending to an average of 13 hours. This increase follows the gradual progression from 11 hours in January and February to 12 hours in March and April, highlighting a steady build-up as spring unfolds. The month of May not only enjoys the peak daylight duration but also sets the stage for June, July, and even August, which maintain this generous span of light. As the year progresses towards autumn, daylight gradually decreases, dropping back to 12 hours in September and October, and returning to 11 hours in the winter months. This rhythm of daylight not only shapes the daily lives of residents but also enhances the vibrant energy characteristic of this beautiful Caribbean city.
As May unfolds in Port-au-Prince, Haiti, the average wind speed settles at a gentle 1.1 m/s (2 mph), marking a slight decline from the previous months. This tranquil breeze mirrors the overall steady wind patterns experienced throughout the year, where January through April saw average speeds hovering around 1.2 m/s (3 mph). Following May, the winds remain modest, particularly during the late summer and early fall months, as speeds dip to 1.0 m/s (2 mph) in both June and October. Overall, May stands out as a transition month, where the balmy atmosphere combines with soft winds, creating a serene backdrop that is characteristic of the early Caribbean summer.
Weather in Port-au-Prince varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Port-au-Prince, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present distinct weather profiles, highlighting the shift from the cooler beginnings of the year to the warmer onset of summer. In January, temperatures range from a minimum of 11°C (52°F) to a maximum of 29°C (84°F), with an average of 21°C (71°F). The month sees relatively low precipitation of 31 mm (1.2 in) over just 7 days, accompanied by a humidity level of 65%. In contrast, May boasts higher temperatures with a minimum of 18°C (65°F), an average of 24°C (75°F), and a peak of 31°C (88°F). The rainfall increases significantly to 184 mm (7.2 in) spread across 25 days, and the humidity drops slightly to 57%. For more details, you can check Port-au-Prince weather in January.
When comparing the weather in May and February, one can observe several notable differences. May experiences warmer temperatures, with minimums around 18°C (65°F) and average highs reaching 31°C (88°F), compared to February's minimum of 15°C (60°F) and an average maximum of 30°C (86°F). Additionally, May is significantly wetter, recording 184 mm (7.2 in) of precipitation over 25 days, while February sees only 32 mm (1.3 in) across 9 days. Interestingly, February has slightly higher humidity at 63%, compared to May's 57%. For more details on February's weather, you can check Port-au-Prince weather in February.
In comparing the weather between March and May, we can see some notable differences. May typically experiences warmer temperatures, with an average of 24°C (75°F) and highs reaching 31°C (88°F), compared to March's average of 22°C (72°F) and maximum of 29°C (84°F). Additionally, May is significantly wetter, receiving 184 mm (7.2 in) of precipitation over 25 days, whereas March has only 113 mm (4.4 in) over 17 days. Humidity levels are fairly similar, with March at 59% and May slightly lower at 57%. For more details on March weather, you can visit Port-au-Prince weather in March.
In comparing the weather between April and May, we see a slight increase in temperatures during May, with minimums rising to 18°C (65°F) and maximums reaching 31°C (88°F), compared to April's minimum of 16°C (61°F) and maximum of 29°C (85°F). However, May experiences a similar level of precipitation, with 184 mm (7.2 in) over 25 days, only slightly less than April's 190 mm (7.5 in) over 24 days. Humidity remains relatively consistent, with May at 57% and April at 58%, creating a comparable climate overall. For a detailed look at April's weather, visit Port-au-Prince weather in April.
In comparing the weather of May and June, we observe that both months share similar average temperatures, with May having a minimum of 18°C (65°F), an average of 24°C (75°F), and a maximum of 31°C (88°F), while June slightly increases its minimum to 19°C (67°F). Precipitation levels are notably different; May experiences higher rainfall with 184 mm (7.2 in) across 25 days, compared to June's 132 mm (5.2 in) over just 20 days. Despite these changes, humidity remains consistent at 57% for both months. For a closer look at June's weather specifics, visit Port-au-Prince weather in June.
May and July exhibit similarities and differences in weather patterns. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 31°C (88°F), with an average of 24°C (75°F), while July sees slightly warmer temperatures, with a minimum of 19°C (67°F) and a maximum of 32°C (90°F), averaging 25°C (77°F). Precipitation in May is higher at 184 mm (7.2 in) over 25 days, compared to July's 139 mm (5.5 in) across 22 days. Additionally, humidity levels rise in July to 63%, compared to May's 57%, making the air feel a bit more muggy. For a more detailed look at July's climate specifics, you can visit Port-au-Prince weather in July.
Comparing the weather in May and August reveals some notable differences and similarities. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 31°C (88°F), with an average temperature of 24°C (75°F). The month experiences significant precipitation, totaling 184 mm (7.2 in) over 25 rainy days and maintaining a humidity level of 57%. In contrast, August sees slightly warmer temperatures, with minimums of 20°C (68°F) and maximums of 32°C (89°F), and an average temperature of 25°C (77°F). Precipitation in August is also comparable, measuring 192 mm (7.6 in) across 23 days, but the humidity rises to 71%. For a detailed overview, you can check Port-au-Prince weather in August.
May and September exhibit similar average temperatures, with both months averaging around 24°C (75°F). However, May tends to be slightly warmer, with maximum temperatures reaching 31°C (88°F) compared to September's 31°C (87°F). In terms of precipitation, September sees increased rainfall, with 228 mm (9.0 in) over 26 days, while May receives 184 mm (7.2 in) across 25 days. Additionally, September's humidity is higher at 73%, compared to May's 57%, contributing to a more muggy feel during the later month. For a detailed look at the weather conditions, check out Port-au-Prince weather in September.
In comparing the weather between May and October, both months showcase similar average temperatures of around 24°C (75°F) and maximums peaking at 31°C (87°F for October and 88°F for May). However, October experiences slightly higher minimum temperatures at 19°C (66°F) compared to May's 18°C (65°F). Precipitation trends also differ; October receives a bit more rainfall at 207 mm (8.2 in) over 24 days, while May has 184 mm (7.2 in) across 25 days. Additionally, October tends to be more humid at 72%, compared to May's 57%. For more details, you can check Port-au-Prince weather in October.
In May, temperatures are generally warmer, with a minimum of 18°C (65°F) and an average high of 31°C (88°F), while November sees slightly cooler temperatures, ranging from a minimum of 16°C (62°F) to a maximum of 29°C (85°F). Additionally, May experiences more rainfall, with approximately 184 mm (7.2 in) falling over 25 days, compared to November's 150 mm (5.9 in) during 18 days of precipitation. Interestingly, humidity is higher in November at 72%, compared to May's 57%, which can contribute to a more muggy feeling despite the slightly lower temperatures. For more information on November weather conditions, check Port-au-Prince weather in November.
May and December exhibit notable differences in weather patterns. May tends to be warmer, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 31°C (88°F) and an average of 24°C (75°F). This month also experiences high levels of precipitation at 184 mm (7.2 in) over 25 days, resulting in a humidity level of 57%. In contrast, December is cooler, with temperatures ranging from 15°C (60°F) to a maximum of 29°C (84°F) and an average of 22°C (72°F). It is significantly drier, with only 36 mm (1.4 in) of rainfall over 8 days and higher humidity at 69%. For more details, you can check Port-au-Prince weather in December.
As May unfolds in Port-au-Prince, the weather shifts distinctly compared to other months, with warm temperatures reaching up to 31°C (88°F), complemented by an average of 24°C (75°F). While the warmth persists, it's the increased precipitation that marks May, featuring a notable 184 mm (7.2 in) of rainfall over about 25 days, making the atmosphere feel more humid at 57%. This blend of warmth and frequent showers gives May its unique character, setting it apart from the generally drier months that precede and follow it. For a deeper dive into the weather patterns throughout the year, explore Port-au-Prince Climate.