May Weather in Douglas, Isle of Man

Last updated: August 21, 2025

May in Douglas, Isle of Man brings a refreshing blend of springtime charm with maximum temperatures reaching 16°C (62°F) and an average of 10°C (51°F). Although the month showcases the beauty of blooming landscapes, it also sees 10 days of rain, totaling 49 mm (1.9 in) of precipitation, creating a humid environment with an average humidity of 80%. This seasonal transition invites visitors to enjoy both the refreshing air and verdant vistas, making it a delightful time to explore the scenic coastline and vibrant gardens.

May Temperature in Douglas

In May, temperatures in Douglas, Isle of Man begin to showcase a delightful spring transformation. With nighttime lows around 5°C (42°F), the air carries a crisp freshness that hints at warmer days ahead. The average temperature rises to 10°C (51°F), offering a pleasant mix for outdoor enthusiasts. By midday, temperatures can reach up to 16°C (62°F), providing perfect conditions for enjoying the lush landscapes and coastal views. This transition from the cooler months of early spring signals the approach of summer, as May marks a notable rise in warmth compared to the preceding months, setting the stage for the warmth that June will bring. Overall, May's mild climate invites visitors to explore the beauty of the Isle of Man, as both nature and temperatures awaken from winter's slumber.

May Weather in Douglas: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Douglas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Douglas, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454545465055585958545047
Data source: Temperature data for Douglas 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 Douglas

May in Douglas, Isle of Man brings a relatively mild precipitation total of 49 mm (1.9 in), marking a departure from the wetter months preceding it. With rainfall recorded over 10 days, May offers a balanced mix of sunshine and showers, paving the way for the more humid summer months ahead. Interestingly, this month showcases a notable decrease from April's minimal 37 mm (1.5 in), highlighting a brief respite after a particularly dry spell. As we transition into June, expect the rainfall to increase again, reflecting the island's typical coastal weather pattern, where precipitation tends to surge during the summer months.

May Precipitation Trends in Douglas

The chart displays monthly precipitation patterns in Douglas, 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 Douglas, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec821119137497482101101145141141
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Douglas

In May, the humidity in Douglas, Isle of Man begins to show a noticeable shift, dropping to 80% from the higher levels experienced in the earlier months. This decline marks the peak of spring, where the air feels a bit drier, offering a refreshing respite before the summer months. As the temperature rises in June, humidity levels slightly rebound to 83%, but May stands out as a transitional month, bridging the wet chill of winter with the warmth of approaching summer. Overall, this trend highlights a gradual release of moisture that paves the way for brighter, sunnier days ahead, inviting both residents and visitors to enjoy the lush beauty of the Isle of Man.

May Average Humidity in Douglas

This chart illustrates the average monthly humidity levels in Douglas, 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 Douglas is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Douglas

As we transition into May in Douglas, Isle of Man, the UV Index climbs to 6, marking a shift to a high exposure category with a burn time of just 25 minutes. This increase reflects the growing strength of the sun as spring unfolds, following a steady rise from a low of 1 in January. After a moderate April with a UV Index of 5, May's sun demands greater attention to skin protection. Notably, the UV intensity continues to escalate into June, where it reaches a peak of 8. Shifting from the cooler early months to the sunnier days of late spring, it's important to stay informed and take precautions. For detailed insights, check out the complete Douglas UV Index resource.

Maximum UV Index Levels in Douglas for May

The chart shows the monthly maximum UV Index (UVI) for Douglas 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 Douglas typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Douglas 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 Douglas

May shines brightly in Douglas, Isle of Man, boasting 418 hours of sunshine, marking it as one of the sunniest months of the year. This vibrant uptick from April's 344 hours signals a delightful transition into summer, as daylight extends and nature flourishes. What’s even more striking is the steady increase in sunshine hours from the start of the year, with a notable jump from 227 hours in March to 344 hours in April. As the month unfolds, Douglas experiences a warm embrace from the sun, suggesting that summer is just around the corner and inviting residents and visitors alike to revel in the longer, sunnier days ahead.

Monthly Sunshine Duration in Douglas: May Highlighted

The May sunshine duration represents the total number of hours Douglas 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.
JanFebMarAprMayJunJulAugSepOctNovDec86h157h227h344h418h407h416h371h309h239h123h97h
Data source: Douglas May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Douglas During May

In Douglas, Isle of Man, the likelihood of sunny weather in May presents a moderately optimistic picture, with a 39% chance of sunshine. This represents a notable increase compared to the preceding months, particularly April, which enjoys a higher 53% likelihood. Although May's chances dip in subsequent months, with June falling back to 28%, it remains a bright spot in the spring and early summer months. This trend suggests that while May may not guarantee uninterrupted sunshine, it certainly offers a promising opportunity for outdoor activities as we transition into the warmer season.

Percentage of Sunny Days in May in Douglas

The chart illustrates the percentage of sunny days in Douglas 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 Douglas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%28%25%53%39%29%41%30%24%22%25%20%
Data source: Douglas May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Douglas in May

As spring transitions into summer in Douglas, Isle of Man, May delights with a generous 16 hours of daylight, marking a significant leap from the 14 hours in April. This increase embodies the approach of summer, where the days continue to stretch, peaking at 17 hours in June before gradually tapering off. The daylight hours not only enhance outdoor activities but also foster a vibrant atmosphere, making May a prime month for enjoying the natural beauty. Following this peak, the daylight begins its slow descent, gently cascading to 14 hours in August, as the island gracefully shifts towards the cozy embrace of autumn. The rhythmic ebb and flow of daylight in Douglas encapsulate the seasonal transformations, inviting both residents and visitors to revel in the long, sunlit days of late spring.

Average Daylight Hours in Douglas for May

The chart illustrates the variation in daylight duration in Douglas throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 58m9h 44m11h 54m14h 6m16h 3m17h 6m16h 32m14h 46m12h 38m10h 27m8h 28m7h 23m
Data source: Douglas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Douglas

In May, the winds in Douglas, Isle of Man show a gentle transition as the spring gives way to summer. With an average speed of 6.6 m/s (15 mph), May experiences a noticeable increase from the calmer conditions of April. This uptick in wind speed reflects a trend of fluctuating breezes throughout the year, with the winds generally picking up in late autumn and early winter, peaking in November at 9.4 m/s (21 mph). However, as the summer months approach, wind speeds tend to moderate, continuing the pattern observed in July and August. This balanced interplay of breezy and calmer days makes May an ideal time for enjoying outdoor activities while still feeling the refreshing touch of the coastal winds.

Average May Wind Speed in Douglas

The chart displays monthly wind speed patterns in Douglas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.310.88.65.76.6 m/s6.44.55.86.19.69.49.2
Data source: Douglas May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Douglas Compares to Other Months

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

In comparing the weather between January and May, it's evident that May tends to be warmer and slightly drier. In January, temperatures range from a minimum of 3°C (37°F) to a maximum of 13°C (55°F), with an average of 7°C (46°F) and a higher humidity level of 90%. This month also experiences more precipitation, totaling 82 mm (3.2 in) over 13 days. Conversely, May boasts a broader temperature range, with a minimum of 5°C (42°F), an average of 10°C (51°F), and a maximum of 16°C (62°F). The precipitation in May is considerably less, at 49 mm (1.9 in) spread over 10 days. For a more detailed look at January's weather, you can check Douglas weather in January.

When comparing the weather in May and February, there are notable differences in temperature and precipitation patterns. May typically experiences milder temperatures, with a minimum of 5°C (42°F) and a maximum of 16°C (62°F), averaging around 10°C (51°F). In contrast, February is cooler, with a minimum of 1°C (34°F) and a maximum of 12°C (54°F), resulting in an average temperature of 7°C (45°F). Additionally, February sees significantly more precipitation, with 111 mm (4.4 in) falling over 18 days, compared to May's 49 mm (1.9 in) over just 10 days. Humidity levels are also slightly higher in February at 88%, compared to May's 80%. For more details on February weather patterns, you can visit Douglas weather in February.

In comparing the weather between March and May, May generally offers milder temperatures, with minimums around 5°C (42°F) and maximums hitting 16°C (62°F), while March experiences colder conditions, with minimums dropping to -1°C (30°F) and maxing out at 11°C (52°F). Precipitation is more frequent in March, occurring over 17 days and totaling 91 mm (3.6 in), compared to May, which sees 49 mm (1.9 in) over just 10 days. Additionally, May's humidity is slightly lower at 80% compared to March's 86%, making May feel more comfortable overall. For a detailed look at March weather specifically, you can visit Douglas weather in March.

May tends to be slightly warmer than April, with average temperatures rising from 8°C (47°F) in April to 10°C (51°F) in May. The minimum temperatures also see a modest increase, from 3°C (38°F) in April to 5°C (42°F) in May. On the precipitation front, May experiences more rainfall, with 49 mm (1.9 in) over 10 days compared to April's 37 mm (1.5 in) over just 7 days. However, humidity levels are slightly lower in May at 80% compared to 85% in April. For more detailed weather insights, you can visit Douglas weather in April.

May and June see a gradual warming trend, with June typically being milder and wetter. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (62°F), with an average of 10°C (51°F). The month experiences around 49 mm (1.9 in) of precipitation over about 10 days, accompanied by a humidity level of 80%. By June, the weather becomes slightly warmer, with minimum temperatures at 9°C (49°F), averages of 13°C (55°F), and maximums reaching 18°C (65°F). Precipitation increases to 74 mm (2.9 in) over 11 days, resulting in a humidity rise to 83%. For more detailed information about June weather, you can visit Douglas weather in June.

In May, the weather is generally cooler with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 16°C (62°F), and an average temperature of 10°C (51°F). The month sees about 49 mm (1.9 in) of precipitation spread over 10 days, while the humidity remains relatively high at 80%. In contrast, July experiences milder temperatures, with lows of 11°C (53°F) and highs reaching 19°C (66°F), averaging 14°C (58°F). However, it is also wetter, with precipitation totaling 82 mm (3.2 in) across 13 days, and humidity levels staying consistent at 82%. For a deeper look into the July weather specifics, visit Douglas weather in July.

In May, the weather is generally cooler, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 16°C (62°F) and an average of 10°C (51°F). This month experiences moderate rainfall, with about 49 mm (1.9 in) over approximately 10 days, and the humidity levels hover around 80%.

In contrast, August brings milder conditions, with temperatures starting at a minimum of 12°C (54°F) and reaching up to 18°C (65°F), averaging 15°C (59°F). However, this month sees increased precipitation, totaling 101 mm (4.0 in) over 17 rainy days, along with slightly higher humidity at 82%.

For detailed information, you can visit Douglas weather in August.

May and September showcase distinct weather patterns. In May, temperatures range from a chilly 5°C (42°F) to a mild 16°C (62°F), with an average of 10°C (51°F). The month sees about 49 mm (1.9 in) of rain over approximately 10 days, accompanied by a relatively high humidity level of 80%. Conversely, September offers warmer temperatures, with a minimum of 10°C (51°F), an average of 14°C (58°F), and a maximum of 19°C (67°F). However, it also brings higher precipitation, totaling 101 mm (4.0 in) over about 15 days, and increased humidity at 88%. For a deeper understanding of September's climate, you can refer to this link: Douglas weather in September.

May and October exhibit distinct weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 16°C (62°F), with an average of 10°C (51°F). The month sees about 49 mm (1.9 in) of precipitation over approximately 10 days, accompanied by a humidity level of 80%. In contrast, October is slightly warmer, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 17°C (63°F) and an average of 12°C (55°F). However, it is considerably wetter, experiencing 145 mm (5.7 in) of rainfall across 19 days and higher humidity at 90%. For more details, you can check out Douglas weather in October.

May and November exhibit notably similar minimum and average temperatures, both hovering around 5°C (42°F) and 10°C (51°F) respectively. However, May tends to be slightly warmer, with a maximum temperature reaching up to 16°C (62°F), compared to November's peak of 14°C (58°F). Precipitation levels also differ significantly; May experiences 49 mm (1.9 in) over about 10 days, while November sees a considerable increase to 141 mm (5.6 in) spread across 20 days. This results in November having a higher humidity level at 92% compared to May's 80%. For more detailed information, you can check Douglas weather in November.

May typically brings milder temperatures with a minimum of 5°C and an average of 10°C, while December is cooler, with a minimum of 3°C and an average of 8°C. Precipitation also differs significantly between the two months; May experiences 49 mm over about 10 days, whereas December sees a substantial increase to 141 mm over 22 days. The humidity is higher in December at 89%, compared to May's 80%, contributing to a more overcast and damp atmosphere. For more detailed information about December weather, you can check Douglas weather in December.

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Conclusion: What to Expect From May Weather in Douglas

As May arrives in Douglas, the weather begins to shift noticeably from the chill of earlier months. With a comfortable average temperature around 10°C, residents and visitors alike can enjoy milder days that invite more outdoor activities. While there are still some rainy spells, with precipitation occurring on about 10 days of the month, the overall humidity remains high at 80%, adding a refreshing feel to the air. Compared to the colder and wetter conditions of previous months, May's weather offers a delightful transition into spring. For more detailed climate insights, visit Douglas Climate.