May Weather in Port Erin, Isle of Man

Last updated: August 21, 2025

May in Port Erin, Isle of Man showcases a delightful spring climate characterized by a maximum temperature of 16°C (60°F) and a pleasant average of 10°C (51°F). As the month progresses, temperatures can drop to a minimum of 5°C (42°F), inviting visitors to enjoy the crisp sea air. With 44 mm (1.7 in) of precipitation over nine days, a touch of rain is common, adding to the lush coastal landscape. Humidity levels hover around 79%, creating a refreshing ambiance for outdoor exploration and leisurely strolls along the stunning coastline. Embrace the beauty of May as Port Erin flourishes in vibrant hues and invigorating breezes.

May Temperature in Port Erin

As May unfolds in Port Erin, Isle of Man, temperatures begin to warm, heralding the arrival of spring's full bloom. The month starts with a minimum temperature of 5°C (42°F) and peaks at a delightful 16°C (60°F), offering an average of 10°C (51°F). This gradual increase is noticeable compared to the cooler temperatures of April, making May a more inviting time to explore the scenic coastline and lush landscapes. The warming trend not only enhances outdoor adventures but also sets the tone for the upcoming summer months. With a notable shift from the chill of earlier months, May serves as a bridge to sunnier days ahead, inviting both locals and visitors to relish the fresh air and beautiful surroundings.

May Weather in Port Erin: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Port Erin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Erin, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec464545475155585958555047
Data source: Temperature data for Port Erin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Port Erin

In May, Port Erin experiences a moderate shift in its precipitation patterns, with a total of 44 mm (1.7 in) of rainfall over 9 days. This marks a significant decrease from the wetter months preceding it, particularly April, which saw just 36 mm (1.4 in) but in fewer days, showcasing how May offers a brief respite before the season's expected increase in rain. As temperatures rise into summer, the rainfall remains manageable, only to ramp up again in June with 70 mm. This transition not only signals the approach of more lush landscapes but also hints at the Isle of Man's characteristic maritime climate, which brings variability to its weather, keeping residents and visitors alike on their toes.

May Precipitation Trends in Port Erin

The chart displays monthly precipitation patterns in Port Erin, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Port Erin, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec8110687364470709492142144144
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Port Erin

As spring gives way to early summer, May in Port Erin, Isle of Man, showcases a delightful dip in humidity, settling at 79%. This marks a subtle yet significant decline from the wetter months preceding it, with humidity levels decreasing from 84% in April. The trend continues into June when levels rise again slightly to 81%, suggesting a transition into the warmer months. Overall, May serves as a refreshing interlude, offering a more comfortable atmosphere before the summer humidity intensifies, while still feeling pleasantly mild compared to the peak moisture of winter.

May Average Humidity in Port Erin

This chart illustrates the average monthly humidity levels in Port Erin, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Port Erin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Port Erin

As May arrives in Port Erin, Isle of Man, the UV Index rises to 7, marking the beginning of high exposure levels that demand increased sun safety measures. This shift from the previous months is notable, as the burn time decreases to just 25 minutes, reflecting the stronger sun. Compared to the moderate levels seen in April and March, May invites a more vigilant approach, especially as we transition into the peak summer months ahead. With June expected to reach a UV Index of 8, awareness and protection become crucial. Make sure to stay informed and safe this season—check the complete details at Port Erin UV Index.

Maximum UV Index Levels in Port Erin for May

The chart shows the monthly maximum UV Index (UVI) for Port Erin in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Port Erin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: Port Erin May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Port Erin

May brings a delightful peak of sunshine to Port Erin, Isle of Man, with 418 hours of radiant light, marking the transition into summer with a significant increase from the earlier months. This seasonal surge showcases a vibrant trend as daylight hours grow, elevating from 341 hours in April to equal the sunshine levels seen in July. The warm glow of May not only makes it one of the sunniest months but also sets the tone for a summer rich in outdoor activities. After this peak, sunshine levels slightly dip in June and August, yet remain comfortably high, reminding us that the charm of Port Erin persists well into the summer months. The steady rise from the dreary winter months of January and February, which barely scrape 90 hours and 161 hours, respectively, emphasizes the island’s transformation as it gradually awakens from its slumber, beckoning both residents and visitors to revel in its natural beauty.

Monthly Sunshine Duration in Port Erin: May Highlighted

The May sunshine duration represents the total number of hours Port Erin experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec90h161h233h341h418h411h418h376h314h244h131h104h
Data source: Port Erin May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Erin During May

In Port Erin, Isle of Man, the likelihood of sunny weather takes a noticeable turn as spring transitions into summer. **May boasts a 40% chance of sunshine, a significant improvement from the preceding months, especially compared to the 52% in April. This upward trend reflects the region's shift towards warmer days, offering residents and visitors alike a refreshing glimpse of sunshine before the summer months. While June and July maintain the same sunny prospects at 40%, the overall seasonal warmth encourages outdoor activities, making May an enticing time for enjoying the natural beauty of the Isle of Man.

Percentage of Sunny Days in May in Port Erin

The chart illustrates the percentage of sunny days in Port Erin throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Port Erin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%26%25%52%40%29%40%29%24%22%22%21%
Data source: Port Erin May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Erin in May

As spring blooms into summer in Port Erin, Isle of Man, daylight hours rapidly increase, creating a vibrant atmosphere. In May, the sun graces the sky for an impressive 16 hours, marking a significant leap from 14 hours in April. This trend continues into June, where daylight peaks at 17 hours, ensuring plenty of time for outdoor adventures and social gatherings. Following this summer solstice, the sunlight begins to taper off, dropping back to 16 hours in July and further declining into late summer. As the year progresses towards autumn, daylight gradually diminishes, falling to 12 hours in September and descending further to 8 hours by November. This rhythmic cycle reflects the natural ebb and flow of seasons, inviting residents and visitors alike to savor the long, sunlit days of May.

Average Daylight Hours in Port Erin for May

The chart illustrates the variation in daylight duration in Port Erin throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h9h 46m11h 54m14h 5m16h 1m17h 2m16h 29m14h 45m12h 38m10h 28m8h 30m7h 26m
Data source: Port Erin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Port Erin

In May, Port Erin experiences a gentle shift in its wind patterns, with an average speed of 6.4 m/s (14 mph) that subtly sets the stage for the summer months ahead. Following the brisker orientations of winter, where winds frequently blew at 8.5 m/s in January and March, the winds begin to mellow as spring unfolds. This month sees a slight increase from April’s calmer 5.8 m/s (13 mph), indicating a transition towards a more lively coastal atmosphere. As the island prepares to welcome visitors, these moderate winds provide just the right touch of refreshing breeziness without the overwhelming gusts that can characterize other seasons. The mild conditions of May hint at the upcoming warm summer days, making it an ideal time for outdoor activities along the stunning coastline.

Average May Wind Speed in Port Erin

The chart displays monthly wind speed patterns in Port Erin, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.510.58.55.86.4 m/s6.64.35.76.09.39.39.1
Data source: Port Erin May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Port Erin Compares to Other Months

Weather in Port Erin varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Port Erin, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present contrasting weather 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 and boasts a humidity level of 79%. In contrast, January features slightly cooler temperatures, with a minimum of 3°C (38°F), an average of 8°C (46°F), and a maximum of 13°C (56°F). This month sees more precipitation at 81 mm (3.2 in) spread over 14 days, accompanied by higher humidity at 89%. For a closer look at January weather specifics, check out Port Erin weather in January.

When comparing the weather in May and February, May generally presents milder temperatures, with averages ranging between 5°C (42°F) and 16°C (60°F), while February is cooler, with temperatures spanning from 1°C (34°F) to 12°C (54°F). February also experiences significantly higher precipitation, totaling 106 mm (4.2 in) over 18 days, compared to May's 44 mm (1.7 in) over just 9 days. Additionally, February tends to be more humid, with a humidity level of 88%, compared to May's 79%. For a more detailed overview of February's weather conditions, you can visit Port Erin weather in February.

In comparing the weather between March and May, there are notable differences in temperature and precipitation. May experiences a milder climate, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), while March has cooler conditions, with average temperatures between -1°C (30°F) and 11°C (52°F). Additionally, May sees less precipitation, averaging 44 mm (1.7 in) over about 9 rainy days, compared to March, which has a higher total of 87 mm (3.4 in) spread over 18 days. Humidity levels are also slightly lower in May at 79%, compared to 86% in March. For a more detailed look at weather patterns, check out Port Erin weather in March.

In comparing the weather of May and April, it is evident that May experiences slightly warmer temperatures, with an average of 10°C (51°F), compared to April's 8°C (47°F). The maximum temperature in May reaches 16°C (60°F), while in April, it peaks at 13°C (56°F). Precipitation is also a factor, with May receiving 44 mm (1.7 in) over 9 days, slightly more than April's 36 mm (1.4 in) across 8 days. Additionally, humidity levels are relatively similar, with May at 79% and April at 84%. For more detailed information, you can visit Port Erin weather in April.

In comparing the weather of May and June, June tends to be warmer and slightly wetter. The average temperature in May hovers around 10°C (51°F), while June sees an increase to 13°C (55°F). The maximum temperatures also show a slight rise, with May reaching 16°C (60°F) compared to June's 17°C (64°F). However, June experiences more rainfall, accumulating 70 mm (2.8 in) over 11 days, whereas May has only 44 mm (1.7 in) across 9 days. Humidity remains relatively similar, with May at 79% and June at 81%. For a detailed look at June weather data, you can check out Port Erin weather in June.

In comparing the weather of May and July, we see notable differences in temperature and precipitation. May features cooler temperatures, with a minimum of 5°C (42°F) and an average of 10°C (51°F), while July sees a warmer range, with temperatures starting at a minimum of 12°C (53°F) and averaging 14°C (58°F). Additionally, May experiences 44 mm (1.7 in) of precipitation over about 9 days, whereas July has higher rainfall of 70 mm (2.8 in) across approximately 12 days. Humidity levels remain relatively similar, with May at 79% and July slightly lower at 78%. For further details on July's weather, you can visit Port Erin weather in July.

In May, temperatures in Port Erin range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), with an average temperature of 10°C (51°F). The month experiences a moderate level of precipitation, totaling 44 mm (1.7 in) over about 9 days, while humidity remains relatively high at 79%.

In contrast, August presents slightly warmer conditions, with temperatures starting at a minimum of 12°C (54°F) and peaking at 18°C (65°F), leading to an average of 15°C (59°F). However, August sees a significant increase in precipitation, recording 94 mm (3.7 in) across 15 days, while maintaining the same humidity level of 79%. For a detailed view of August weather, you can visit Port Erin weather in August.

May and September showcase a gradual transition in weather, with September typically being milder and wetter. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), while September sees a higher range, with temperatures starting at 10°C (51°F) and reaching up to 19°C (67°F). Precipitation also varies significantly; May experiences around 44 mm (1.7 in) over 9 days, whereas September has a notable increase, with 91 mm (3.6 in) spread over 14 days. Additionally, September's humidity rises slightly to 85%, compared to May's 79%, contributing to a more damp atmosphere. For more detailed insights, you can check Port Erin weather in September.

May and October present notable differences in weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), with average temperatures around 10°C (51°F). The month sees 44 mm (1.7 in) of precipitation over approximately 9 days, coupled with a humidity level of 79%. In contrast, October experiences slightly higher temperatures, with a minimum of 7°C (45°F) and a maximum of 17°C (63°F), while averaging 13°C (55°F). However, it is also significantly wetter, recording 142 mm (5.6 in) of precipitation over about 18 days, and higher humidity at 90%. For more details on October weather, visit Port Erin weather in October.

May and November exhibit distinct weather characteristics, despite having similar average temperatures around 10°C (51°F). In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (60°F), with a total precipitation of 44 mm (1.7 in) spread over about 9 days. The humidity is relatively lower at 79%, making it feel more comfortable. In contrast, November sees slightly warmer minimum temperatures at 6°C (43°F) and a cooler maximum of 14°C (58°F). This month experiences significantly higher precipitation, totaling 143 mm (5.6 in) over 20 days, and increased humidity at 91%, contributing to a more damp and overcast atmosphere. For more details, you can check Port Erin weather in November.

May and December exhibit notable differences in weather 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 around 44 mm (1.7 in) of precipitation over approximately 9 days, coupled with a humidity level of 79%. In contrast, December sees slightly cooler temperatures, with a minimum of 4°C (39°F), an average of 9°C (48°F), and a maximum of 13°C (56°F). This month is significantly wetter, receiving 144 mm (5.7 in) of rain over about 22 days, and the humidity rises to 89%. For more detailed insights, visit Port Erin weather in December.

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Conclusion: What to Expect From May Weather in Port Erin

In May, Port Erin experiences a distinct shift in weather that signals the arrival of spring. The mild temperatures create a refreshing atmosphere, making it noticeably warmer compared to the chillier preceding months. However, with an average humidity of 79% and approximately nine days of precipitation, it's wise to keep an umbrella handy. This combination of moderate warmth and occasional rain forms an inviting backdrop for outdoor activities and exploration. For detailed insights into yearly conditions, visit Port Erin Climate.