Last updated: August 21, 2025
Experience the inviting weather of Port Royal, Jamaica in May, where daily maximum temperatures reach a pleasant 30°C (87°F) and the average temperature hovers around 26°C (79°F). As the minimum temperature stays cozy at 23°C (73°F), visitors can enjoy warm days and mild nights. However, expect 107 mm (4.2 in) of rainfall spread across approximately 16 days, contributing to a humidity level of 77%. This combination of warmth and occasional showers makes May a vibrant time to explore the beauty of Port Royal, blending sun-soaked adventures with refreshing tropical breezes.
In May, temperatures in Port Royal, Jamaica begin to warm up, with minimums settling at 23°C (73°F) and maximums peaking at a balmy 30°C (87°F). This rise reflects a trend of increasing warmth as the month transitions into summer, with an average temperature of 26°C (79°F) that hints at the delightful tropical climate the region is known for. As the days grow longer and the sun shines brighter, May serves as a prelude to the hotter months ahead, inviting visitors to enjoy the sun-soaked beaches and vibrant local culture.
In May, Port Royal, Jamaica experiences a notable spike in precipitation, receiving 107 mm (4.2 in) of rainfall over 16 days, making it one of the wettest months of the year. This substantial increase follows a gradual rise in rainfall from 66 mm (2.6 in) in April, reflecting the transition into the heart of the rainy season. The heightened precipitation not only enhances the lush greenery of the region but also indicates the beginning of more frequent downpours as the summer months approach. This trend is further accentuated by the summer months like August and September, which also report high rainfall totals, highlighting the seasonal patterns that characterize Jamaica's tropical climate.
In May, Port Royal, Jamaica, experiences a slight rise in humidity, reaching 77%, which is indicative of the island's wet season approach. This increase follows the consistent 76% levels observed over the previous months of January through April. The trend reveals a gradual escalation in humidity as the year progresses, peaking in June and July at 79%. This pattern not only adds to the lush vibrancy of the landscape but also hints at the tropical environment’s characteristic warmth and moisture during this enchanting time of year. As summer unfolds, the air becomes thicker with humidity, setting the stage for the lush greenery and vibrant life that thrive in this coastal paradise.
As summer approaches in Port Royal, Jamaica, May maintains an extreme UV Index of 13, mirroring the high levels witnessed in the preceding months. With a burn time of just 10 minutes, sun safety becomes imperative as the sun's rays continue to pack a punch. The trend leading into mid-year shows consistently high UV levels, emphasizing the need for sun protection strategies to mitigate potential skin damage. This month stands out for its stable intensity, following an exceptionally potent April. If you're planning outdoor activities, it’s crucial to stay informed about the UV conditions—explore more on the Port Royal UV Index for the latest updates and safety tips.
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May in Port Royal, Jamaica, boasts 330 hours of glorious sunshine, contributing to the region's delightful spring atmosphere. As spring transitions into summer, the hours of sunshine remain consistently high, though slightly lower than the peak experienced in the preceding months of March and April. This gradual shift hints at the region's vibrant climate, with a rising trend towards longer and sunnier days leading into July, which records the highest sunshine hours of the year at 354. Overall, the sunshine data illustrates a pattern of abundance during these lively months, inviting visitors to bask in the warmth while relishing the beautiful coastal scenery.
In Port Royal, Jamaica, the likelihood of sunny weather in May stands at a favorable 63%, marking a pleasant balance between the sunniness observed earlier in the year and the approaching rainy season. While the sunny outlook peaks in February at 76%, it gradually tapers off through the spring months. March sees a commendable 70%, and although April dips to 50%, May brings a resurgence of sunshine that is notably higher than the summer months ahead, where chances fall to the mid-40s. This trend underscores May as an ideal time for sun-seekers to enjoy the vibrant beauty of the Caribbean, just before the intensity of summer rains sets in.
In Port Royal, Jamaica, the daylight duration reveals a captivating rhythm throughout the year. Starting strong in January and February with a consistent 11 hours of daylight, the days gradually lengthen, reaching 12 hours by March and remaining at that length through April and May. This steady increase reflects the approaching summer, which arrives in June and July, boasting generous 13 hours of daylight—ideal for sun-seekers and outdoor enthusiasts. As summer fades, daylight dips back to 12 hours in August and September, before transitioning once again to 11 hours as the year closes out in October through December. The patterns not only highlight Jamaica's tropical climate but also offer a glimpse into the island's vibrant seasonal transitions.
In Port Royal, Jamaica, May offers a refreshing shift in wind patterns, boasting an average wind speed of 3.8 m/s (8 mph). This slight increase from April's 3.6 m/s mirrors the overall trend of rising winds as summer approaches, with speeds reaching their peak in June and July at 4.3 m/s (10 mph). The transition from spring to summer is marked by these gentle breezes, which provide a pleasant backdrop for outdoor activities. As the year progresses, wind speeds tend to decline in the fall months, highlighting the seasonal rhythm of this coastal paradise. Whether you're sailing or simply enjoying the sea breeze, May's winds in Port Royal create an ideal atmosphere for relaxation and adventure alike.
Weather in Port Royal varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Port Royal, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, May tends to be warmer and more humid. With average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), it generally feels hotter than January's average of 24°C (76°F). Additionally, May experiences significantly higher precipitation, with 107 mm (4.2 in) over 16 days, compared to January's 38 mm (1.5 in) over just 10 days. The humidity levels are quite similar, with May at 77% and January slightly lower at 76%. For more detailed insights on January weather, visit Port Royal weather in January.
In comparing the weather of May and February, we see some notable differences. May typically boasts a warmer climate, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F) and an average of 26°C (79°F). This month also experiences higher precipitation, totaling 107 mm (4.2 in) over 16 days, contributing to a slightly elevated humidity level of 77%. In contrast, February is milder, showcasing a temperature range from 21°C (70°F) to 28°C (83°F), with an average of 24°C (76°F). Precipitation in February is significantly less at 35 mm (1.4 in) across 14 days, with humidity slightly lower at 76%. For more detailed climate insights, check out Port Royal weather in February.
In comparing the weather between May and March, we see that May tends to be slightly warmer, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), compared to March's range of 20°C (69°F) to 28°C (84°F). Additionally, May experiences higher precipitation levels, accumulating 107 mm (4.2 in) over 16 days, whereas March has a significantly lower total of 46 mm (1.8 in) across 15 days. Humidity levels are also somewhat elevated in May at 77%, compared to 75% in March. For more detailed insights, you can explore Port Royal weather in March.
In comparing the weather between April and May, both months exhibit warm temperatures, but May tends to be slightly warmer with an average temperature of 26°C (79°F) compared to April's 25°C (78°F). The maximum temperature reaches the same high of 30°C (86°F) in both months, while the minimum temperature in May is a touch higher at 23°C (73°F) than April's 22°C (71°F). However, May sees significantly more rainfall, with 107 mm (4.2 in) of precipitation over 16 days, compared to April’s 66 mm (2.6 in) over 12 days. Humidity remains relatively consistent between the two months, at 77% for May and 76% for April. For a closer look at what to expect during April, check out Port Royal weather in April.
In comparing the weather between May and June, both months showcase warm temperatures, with May having a minimum of 23°C and an average of 26°C, while June slightly increases to a minimum of 23°C and an average of 27°C. Peak temperatures also rise in June, reaching a maximum of 31°C compared to May's 30°C. Notably, June experiences significantly less precipitation at 49 mm over 13 days, in contrast to May's 107 mm over 16 days. Additionally, humidity is marginally higher in June at 79%, compared to May’s 77%. For a more detailed look at June weather, you can check Port Royal weather in June.
In May, temperatures range from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F). The month sees considerable rainfall, averaging 107 mm (4.2 in) over about 16 days, resulting in a humidity level of 77%. In contrast, July experiences slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 32°C (90°F), averaging 27°C (82°F). Precipitation drops significantly to 37 mm (1.5 in) over about 11 days, while humidity increases slightly to 79%. For more detailed information about the weather in July, check out Port Royal weather in July.
May and August exhibit warm tropical weather, but with slight variations in temperature and precipitation levels. In May, the average temperature is slightly lower at 26°C (79°F), while August sees an increase to an average of 27°C (82°F). Both months experience high humidity, with May at 77% and August slightly higher at 78%. When it comes to rainfall, May is wetter with 107 mm (4.2 in) of precipitation over 16 days, compared to August's 98 mm (3.8 in) under the same number of rainy days. For a detailed look at August weather, visit Port Royal weather in August.
When comparing the weather in May and September, both months exhibit warm temperatures with relatively high humidity levels. In May, daily temperatures range from a minimum of 23°C (73°F) to a maximum of 30°C (87°F), averaging around 26°C (79°F). This month also experiences significant rainfall, with 107 mm (4.2 in) of precipitation spread over 16 days. In contrast, September sees slightly higher temperatures, with a minimum of 24°C (75°F) and a maximum of 32°C (90°F), averaging 27°C (81°F). Precipitation is comparable, totaling 105 mm (4.1 in) over 18 days. Despite the very similar humidity levels of 77% for both months, September tends to be a bit warmer overall. For a more detailed look at September weather, you can visit Port Royal weather in September.
In May, the weather features a relatively stable temperature range with minimums around 23°C (73°F) and maximums reaching up to 30°C (87°F), accompanied by an average humidity of 77%. However, the month also sees significant precipitation, totaling 107 mm (4.2 inches) over approximately 16 days. In contrast, October experiences a similar temperature range, with minimums still at 23°C (74°F) and maximums slightly higher at 31°C (87°F). The month is wetter, receiving 196 mm (7.7 inches) of rainfall across 24 days, and maintaining a slightly lower humidity of 76%. For more detailed information on October weather conditions, you can view Port Royal weather in October.
May and November share similar temperature ranges, with both months featuring minimum temperatures around 23°C (73°F), average temperatures of 26°C (79°F), and maximum temperatures close to 30°C (87°F for May and 86°F for November). However, November experiences slightly more precipitation, totaling 137 mm (5.4 in) over 20 days, compared to May's 107 mm (4.2 in) over 16 days. Both months maintain high humidity, with November peaking at 78% compared to May's 77%. For more detailed insights on weather conditions in November, you can check Port Royal weather in November.
May and December exhibit similar warm temperatures, with May averaging 26°C (79°F) and December slightly cooler at 25°C (78°F). Both months experience relatively high humidity levels, consistently around 77%. However, May is notably wetter, receiving 107 mm (4.2 in) of precipitation over 16 days compared to December's 45 mm (1.8 in) over 13 days, making December a drier option for outdoor activities. For more detailed insights, check out Port Royal weather in December.
As May unfolds in Port Royal, temperatures offer a warm embrace, with a delightful average hovering around 26°C (79°F). This month sees a notable increase in precipitation, as 16 days are often marked by refreshing showers, bringing the total rainfall to 107 mm (4.2 in). Coupled with a humidity level of 77%, these factors create a vibrant and lush landscape that differs from the drier months preceding it. The balance of warm days and occasional rain makes May a unique time to experience the natural beauty of this coastal gem. For a deeper dive into the climate nuances, check out Port Royal Climate.