Last updated: August 21, 2025
Experience the charm of Port Saint Mary in May, where temperatures oscillate from a pleasant maximum of 16°C (60°F) to a crisp minimum of 5°C (42°F), averaging around 10°C (51°F). As you explore this picturesque Isle of Man town, prepare for a touch of moisture, with approximately 44 mm (1.7 in) of rain spread over 9 days, contributing to the lush scenery. The humidity level hovers around 79%, creating a refreshing maritime atmosphere that complements the vibrant coastal landscapes. Whether you're strolling along the shoreline or enjoying the quaint local culture, May offers a unique blend of mild weather and stunning natural beauty.
In May, Port Saint Mary on the Isle of Man begins to embrace the warmth of spring, with temperatures ranging from a minimum of 5°C (42°F) to a comfortable maximum of 16°C (60°F). The average temperature settles around 10°C (51°F), marking a noticeable leap from the cooler months of early spring. This trend indicates a gradual rise in warmth, transitioning from the chilly averages of April and March. As May unfolds, the increased sunshine and balmy air encourage both locals and visitors to venture outdoors, enjoying the scenic beauty of the coastline and the vibrant blossoming of the landscape. The mild conditions create a perfect backdrop for exploring the natural wonders of the island, making May a delightful time to experience the charm of Port Saint Mary.
In May, Port Saint Mary experiences a moderate backdrop of precipitation, with 44 mm (1.7 in) falling across 9 days. This marks a notable uptick from the drier month of April, where only 36 mm (1.4 in) was recorded over just 8 days. As spring’s influence wanes, May's rainfall hints at an approaching summer, yet remains significantly lower than the unusually wet autumn months that follow, with October and November each surpassing 140 mm (5.6 in). Overall, May serves as a transitional month, as the Isle of Man shifts from spring’s gentle showers to the often heavier rains of summer, showcasing a pattern where precipitation starts to increase with the changing seasons.
As spring gives way to summer in Port Saint Mary, May experiences a noticeable dip in humidity, dropping to 79%—a refreshing change from the cooler months where humidity lingered around 89% in January and 88% in February. This trend of decreasing humidity continues into June, but May stands out as a transitional period where residents can enjoy relatively comfortable conditions. After the moister spring months, this slight reduction is ideal for outdoor activities, making May a delightful time to embrace the beauty of the Isle of Man before the humidity starts to rise again in the summer months.
In May, Port Saint Mary experiences a notable increase in the UV Index, reaching 7, which categorizes the exposure as high. This shift indicates a significant change from the previous months, where the index hovered between low and moderate levels. Accordingly, the burn time decreases to just 25 minutes, highlighting the importance of sun protection during this period. This trend signals a broader rise in UV intensity as spring transitions towards summer, making it essential for residents and visitors to stay vigilant about sun safety. For more information on the UV Index throughout the year, visit Port Saint Mary UV Index.
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May marks a radiant peak in Port Saint Mary, Isle of Man, with a delightful 418 hours of sunshine illuminating the landscape. This vibrant month showcases a remarkable transition from the 90 hours of January, as daylight gradually dances upward through the spring months. The steady increase from 341 hours in April to 418 hours in May reflects the island's blossoming allure, inviting residents and visitors alike to bask in the warmth. Interestingly, sunshine stays robust into June and July, both matching May's glow, before tapering slightly in August. This trend illustrates how the Isle of Man transforms under the sun, making May not just a month of illumination, but a harbinger of the season's vitality.
In Port Saint Mary, Isle of Man, May offers a notably bright shift in weather patterns, boasting a 40% chance of sunny days. This improvement follows a promising April, where residents enjoyed 52% sunshine, highlighting spring's arrival and the gradual transition into summer. Interestingly, May's sun probability marks a decline compared to April, yet it remains significant when juxtaposed with the preceding months, particularly March and February, both hovering around 25-26%. As summer approaches, the likelihood of sunny weather oscillates, with June and July mirroring May’s sunny potential, reinforcing the notion that while May may not be the sunniest month, it certainly stands as a beacon of brightness in the early summer season.
As spring blossoms into summer in Port Saint Mary, Isle of Man, daylight duration undergoes a remarkable transformation. January starts with just 8 hours of light, gradually increasing to 9 hours in February and 11 hours by March, setting the stage for brighter days ahead. April brings a significant leap to 14 hours, and by May, residents can bask in an impressive 16 hours of daylight. This trend peaks in June at 17 hours, offering the longest days of the year, before gently tapering back to 16 hours in July and declining further into autumn. The gradual descent continues, with daylight dwindling to 12 hours in September, 10 hours in October, and back to 8 hours in November. This cyclical pattern creates a dynamic interplay of light and dark, influencing the rhythm of life in this charming coastal town throughout the year.
In May, Port Saint Mary experiences a gentle breeze with an average wind speed of 6.4 m/s (14 mph), marking a slight increase from the calmer conditions of April. This shift suggests a transition into the summer months, where winds typically begin to strengthen as temperatures rise. Compared to earlier months, such as January and February with their brisk averages of 8.5 m/s (19 mph) and 10.5 m/s (24 mph) respectively, May offers a more moderate and comfortable atmosphere. Interestingly, this trend continues into June, where the winds tick up slightly to 6.6 m/s (15 mph), reflecting the seasonal variability. Overall, May serves as a delightful precursor to summer, inviting residents and visitors alike to revel in the Isle of Man’s refreshing coastal breezes.
Weather in Port Saint Mary varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Port Saint Mary, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, May generally offers milder temperatures, with minimums around 5°C (42°F) and maximums reaching up to 16°C (60°F), compared to January's minimum of 3°C (38°F) and maximum of 13°C (56°F). While May experiences around 44 mm (1.7 in) of precipitation over approximately 9 days, January sees higher rainfall at 81 mm (3.2 in) spread across 14 days, leading to a wetter and more humid atmosphere, with January's humidity at 89% compared to May's 79%. For more details on January weather, you can visit Port Saint Mary weather in January.
Comparing the weather in May and February reveals notable differences in temperature, precipitation, and humidity. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), with an average of 10°C (51°F). This month experiences relatively lower precipitation at 44 mm (1.7 in) over about 9 days, and the humidity sits at 79%. In contrast, February is cooler, with temperatures ranging from 1°C (34°F) to 12°C (54°F) and an average of 7°C (45°F). February also sees higher precipitation, totaling 106 mm (4.2 in) across approximately 18 days, along with increased humidity at 88%. For more detailed insights into February's weather, you can visit Port Saint Mary weather in February.
May and March present notably different weather patterns. In May, the temperatures range from a minimum of 5°C (42°F) to a pleasant maximum of 16°C (60°F), with an average temperature of 10°C (51°F). The precipitation is lighter, averaging 44 mm (1.7 in) over about 9 rainy days, and humidity is relatively comfortable at 79%. In contrast, March experiences cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 11°C (52°F), averaging 7°C (45°F). This month is also much wetter, receiving 87 mm (3.4 in) of rainfall over 18 days, and has a higher humidity level of 86%. For more details on March weather specifics, you can check the following link: Port Saint Mary weather in March.
When comparing the weather in April and May, it is clear that May tends to be slightly warmer. The average temperature in May reaches 10°C (51°F), with maximums hitting 16°C (60°F), while April's average temperature is lower at 8°C (47°F), peaking at 13°C (56°F). Additionally, May experiences a bit more precipitation at 44 mm (1.7 in) over 9 days, compared to April's 36 mm (1.4 in) spread across 8 days. Humidity levels also decrease slightly from April's 84% to May's 79%. For a detailed overview of the April conditions, you can visit Port Saint Mary weather in April.
May and June weather exhibit noticeable differences, particularly in temperature and precipitation patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), with an average of 10°C (51°F). The month experiences about 44 mm (1.7 in) of precipitation over 9 days, with humidity levels at 79%. In contrast, June sees a slight increase in both minimum and average temperatures, starting at 9°C (49°F) and averaging 13°C (55°F), while the maximum reaches 17°C (64°F). However, June is also wetter, accumulating approximately 70 mm (2.8 in) of precipitation across 11 days, with humidity slightly higher at 81%. For more details on June weather, check out Port Saint Mary weather in June.
May and July present distinct weather patterns. In May, temperatures range from a chilly minimum of 5°C (42°F) to a mild maximum of 16°C (60°F), with an average of 10°C (51°F). The month experiences around 44 mm (1.7 in) of precipitation over approximately 9 days, contributing to a relatively high humidity of 79%. In contrast, July sees warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 19°C (67°F), averaging around 14°C (58°F). July also receives more rain, totaling 70 mm (2.8 in) over about 12 days, while maintaining a slightly lower humidity of 78%. For more details on the weather during this month, check out Port Saint Mary weather in July.
May and August present distinct weather patterns, showcasing the transition from spring to late summer. In May, temperatures range from a chilly 5°C to a mild 16°C, with an average of 10°C. The month sees about 44 mm of precipitation over roughly 9 days, accompanied by a high humidity level of 79%. In contrast, August offers warmer temperatures, with a minimum of 12°C and a maximum of 18°C, averaging 15°C. However, it experiences increased precipitation at 94 mm over approximately 15 days, while maintaining the same humidity level of 79%. These differences highlight the cooler and drier conditions of May compared to the wetter and warmer August. For more details on August weather specifically, check out Port Saint Mary weather in August.
When comparing the weather in May and September, notable differences emerge in both temperature and precipitation patterns. May tends to be cooler, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), accompanied by an average humidity of 79%. In contrast, September experiences milder temperatures, with a minimum of 10°C (51°F) and a maximum of 19°C (67°F), alongside slightly higher humidity at 85%. Additionally, September sees more rainfall, accumulating 91 mm (3.6 in) over 14 days compared to May's 44 mm (1.7 in) over 9 days. For more specific details on September weather, you can check Port Saint Mary weather in September.
In comparing the weather between May and October, we notice a gradual shift towards cooler and wetter conditions. May boasts mild temperatures, with averages around 10°C (51°F) and a limited precipitation of 44 mm over 9 days. In contrast, October experiences slightly cooler temperatures with an average of 13°C (55°F), but a significant increase in rainfall, totaling 142 mm across 18 days. The humidity also rises, peaking at 90% in October compared to 79% in May. For more details on the October climate, you can visit Port Saint Mary weather in October.
May and November present distinct weather patterns, reflecting the transition from spring to winter. In May, temperatures typically range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), with an average of around 10°C (51°F). This month sees relatively low precipitation at 44 mm (1.7 in) across about 9 days, and humidity levels are moderately comfortable at 79%.
In contrast, November offers cooler temperatures, with a range from 6°C (43°F) to a maximum of 14°C (58°F), maintaining the same average of 10°C (51°F) as May. However, November experiences significantly higher precipitation, totaling 143 mm (5.6 in) over approximately 20 days, accompanied by increased humidity at 91%. This shift indicates a much wetter and more humid environment compared to the milder conditions of May. For more details, you can visit Port Saint Mary weather in November.
Comparing the weather in May and December reveals distinct seasonal differences. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), with an average of 10°C (51°F). The month experiences less precipitation at 44 mm (1.7 in) across 9 days and a humidity level of 79%. In contrast, December is cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 13°C (56°F), averaging 9°C (48°F). This month sees significantly higher precipitation at 144 mm (5.7 in) over 22 days and increased humidity at 89%. For more details on December weather, visit Port Saint Mary weather in December.
As May unfolds in Port Saint Mary, the weather offers a refreshing transition into milder conditions, marking a departure from the chillier months of early spring. With average temperatures climbing to a comfortable 10°C, residents experience a delightful mix of warmth and lingering crispness, inviting more outdoor activities. While precipitation is prevalent on about 9 days, the overall humidity remains around 79%, giving a moist but pleasant atmosphere. This balance of mild warmth and occasional rain distinguishes May from the cooler, wetter months preceding it, setting the stage for the vibrant summer ahead. For a deeper dive into the climate trends, check out Port Saint Mary Climate.