May Weather in Marstal, Denmark

Last updated: October 30, 2025

May in Marstal, Denmark, unveils a delightful transition into spring, characterized by an average temperature hovering around 11°C (53°F). Daily highs can reach a pleasant 18°C (66°F), while nighttime lows dip to a cool 5°C (41°F), creating a refreshing atmosphere. Rainfall during this month totals 59 mm (2.3 in) across 9 days, contributing to the lush greenery of the region. With an average humidity level of 80%, the air feels crisp and invigorating, perfect for outdoor exploration. Experience the charm of May in Marstal, where mild temperatures and gentle showers blend harmoniously with the fragrant spring air.

May Temperature in Marstal

May in Marstal, Denmark, marks a delightful transition toward warmer days, showcasing minimum temperatures around 5°C (41°F) and reaching a pleasant average of 11°C (53°F). Under the brightening spring sun, the maximum temperatures can soar to 18°C (66°F), creating an inviting atmosphere for outdoor activities. The weather reflects a consistent upward trend from the cooler months of early spring, as the chill of winter melts away. As the landscape bursts into life, May serves as a prelude to the summer season, making it an ideal time for visitors to explore the beauty of Marstal's coastal charm.

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

The chart illustrates May temperature patterns in Marstal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marstal, May typically has an average temperature of 11°C (53°F), with highs reaching up to 18°C (66°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec383739455262646560544741
Data source: Temperature data for Marstal 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 Marstal

May in Marstal, Denmark, brings a moderate precipitation total of 59 mm (2.3 in), marking a slight increase from the notably drier month of April. With 9 days of rain, May maintains a balance between sunshine and showers, paving the way for lush spring landscapes. This month typically acts as a bridge, transitioning from the scant rains of early spring to the wetter months ahead. Notably, June follows closely behind with 55 mm (2.2 in), indicating a trend towards more consistent rainfall as summer approaches. While the precipitation amounts fluctuate throughout the year, May’s moderate levels hint at a gradual increase that culminates in the wetter conditions of later months, making it a crucial time for the region's blooming flora.

May Precipitation Trends in Marstal

The chart displays monthly precipitation patterns in Marstal, 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 Marstal, May typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7367693659557283721087284
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Marstal

As spring gives way to summer in Marstal, Denmark, May brings a welcome decline in humidity, dropping to 80%. This reduction continues a trend of decreasing moisture levels that began in the early months of the year, where humidity hovered around a high 90% in January and February. By April, the humidity had eased to 85%, and May marks a notable transition towards the drier conditions of June, which sees an even lower 77%. This gradual shift not only enhances the comfort of those enjoying the coastal ambiance but also sets the stage for the sunnier days ahead, reflecting the changing rhythms of the season.

May Average Humidity in Marstal

This chart illustrates the average monthly humidity levels in Marstal, 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 Marstal is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%85%80%77%77%77%84%87%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Marstal

In May, Marstal, Denmark, experiences a notable increase in UV exposure, with an index reaching 6—indicating a high exposure category and a burn time of just 25 minutes. This marks a clear progression from the earlier months, where the UV Index was much lower, peaking at 5 in April. As spring unfolds, residents and visitors should take precautions against UV radiation; this trend continues into June, which sees an even higher index of 8. With the sunlight becoming more intense, it’s essential to stay informed and protect your skin. For detailed insights on UV levels throughout the year, visit Marstal UV Index.

Maximum UV Index Levels in Marstal for May

The chart shows the monthly maximum UV Index (UVI) for Marstal 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 Marstal typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Marstal 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 Marstal

May brings a delightful burst of sunshine to Marstal, Denmark, as the days lengthen and warmth begins to embrace the coastal town. With 420 hours of sunshine, it marks a significant increase from the previous months, reflecting the gradual transition from the winter's dim light. Following April's 367 hours, May continues an upward trend that peaks in the summer months, promising residents and visitors alike a vibrant experience. This sunny spree not only fosters outdoor adventures but also revitalizes the spirit, setting the stage for the warmest and sunniest months ahead. As daylight stretches, Marstal awakens, beckoning everyone to enjoy the beauty of its maritime surroundings under the glorious May sun.

Monthly Sunshine Duration in Marstal: May Highlighted

The May sunshine duration represents the total number of hours Marstal 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.
JanFebMarAprMayJunJulAugSepOctNovDec101h186h257h367h420h434h440h403h321h250h159h118h
Data source: Marstal May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marstal During May

In Marstal, Denmark, the likelihood of sunny weather in May reflects an intriguing trend in the transition from winter to summer. While May offers a moderate 29% chance of sunshine, it's crucial to note that this is a dip from the previous month, April, which boasts a 53% sunshine potential. As spring unfolds, the promise of sunny days peaks in April, inviting more outdoor activities before the chance of sun gradually resurfaces in the summer months. June and July, for instance, see a slight uptick with 38% and 33% chances, respectively, but May stands out as a transitional period marked by fluctuating weather patterns. Thus, while you may enjoy a mix of sun and clouds in May, it lays the groundwork for the brighter days ahead.

Percentage of Sunny Days in May in Marstal

The chart illustrates the percentage of sunny days in Marstal 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 Marstal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%24%39%53%29%38%33%38%30%29%16%22%
Data source: Marstal May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marstal in May

In Marstal, Denmark, as spring unfolds and transitions into summer, daylight duration experiences a remarkable increase. Starting from 11 hours in March, the days grow significantly, reaching 16 hours in May and peaking at 17 hours in June. This gradual elongation brings an invigorating brightness, inviting residents and visitors alike to enjoy the vibrant outdoor life. As summer wanes into autumn, the daylight begins to recede, with 14 hours in August followed by shorter days of 12 hours in September and 10 hours in October. The year culminates with the return of shorter daylight hours in the winter months, where January and December offer just 7 hours. This annual cycle not only highlights Marstal's seasonal rhythm but also enriches the experience of its stunning natural beauty throughout the year.

Average Daylight Hours in Marstal for May

The chart illustrates the variation in daylight duration in Marstal throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 52m9h 41m11h 53m14h 8m16h 8m17h 13m16h 38m14h 50m12h 39m10h 25m8h 23m7h 17m
Data source: Marstal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Marstal

In May, Marstal, Denmark, experiences a gentle lull in wind, with an average speed of 6.1 m/s (14 mph). Following the breezier months of April and March, where wind speeds reached 6.3 m/s and 6.2 m/s, respectively, May presents a slight drop, marking the transition into warmer early summer days. Notably, this month has the lowest wind speed since February, which hints at a shift as the summer months approach. As June rolls in with an even calmer average of 4.7 m/s (11 mph), it’s evident that the wind's intensity ebbs, inviting tranquil moments for both residents and visitors to savor the serene coastal beauty of this charming Danish town.

Average May Wind Speed in Marstal

The chart displays monthly wind speed patterns in Marstal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.27.46.26.36.1 m/s4.75.86.55.97.56.87.4
Data source: Marstal May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Marstal Compares to Other Months

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

The weather in January is significantly colder than in May, with average temperatures hovering around 3°C (38°F) compared to May's milder 11°C (53°F). While January experiences a minimum temperature of -8°C (17°F), May's temperatures rarely drop below 5°C (41°F). Precipitation is more frequent in January, occurring over 14 days with a total of 73 mm (2.9 in), compared to May's 59 mm (2.3 in) over 9 days. Additionally, January's higher humidity of 90% creates a chillier feel, whereas May's humidity at 80% is more comfortable. For more detailed insights on January’s weather, you can visit Marstal weather in January.

When comparing the weather in May and February, there are notable differences in temperature and general conditions. May typically enjoys milder temperatures, with a minimum of 5°C (41°F) and an average of 11°C (53°F), peaking at 18°C (66°F). In contrast, February is much colder, starting at a minimum of -6°C (22°F) and averaging only 3°C (38°F), with a maximum of 11°C (52°F).

Additionally, February experiences higher humidity at 89%, compared to May's 80%, which can make the colder temperatures feel even chillier. While both months see significant precipitation, February records 67 mm (2.6 in) over 13 days, slightly more than May's 59 mm (2.3 in) over 9 days. For a closer look at February weather specifics, you can check this link: Marstal weather in February.

May and March exhibit noticeable contrasts in their weather patterns. In March, temperatures often dip as low as -6°C (22°F), with an average of 4°C (40°F) and a maximum of 11°C (51°F). In comparison, May brings milder conditions, with temperatures ranging from a minimum of 5°C (41°F) to an average of 11°C (53°F) and a maximum of 18°C (66°F). Precipitation is slightly higher in March at 69 mm (2.7 in) over 12 days, compared to May's 59 mm (2.3 in) over 9 days. Additionally, March experiences a higher humidity level of 88%, while May's humidity averages around 80%. For more detailed insights, you can explore Marstal weather in March.

In comparing the weather between April and May, it’s evident that May brings milder temperatures, with an average of 11°C (53°F) compared to April's 7°C (45°F). The minimum temperature in May is also higher at 5°C (41°F), while April starts cooler at 1°C (34°F). Additionally, May experiences slightly more precipitation, totaling 59 mm (2.3 in) over 9 days, compared to April's 36 mm (1.4 in) over 8 days. Although humidity remains quite high in both months, it is slightly lower in May at 80% versus April's 85%. For a detailed look at April weather in Marstal, you can visit Marstal weather in April.

May offers cooler temperatures, with averages around 11°C (53°F) and maximums reaching only 18°C (66°F). It experiences higher humidity at 80% and sees about 59 mm (2.3 in) of rain over approximately 9 days. In contrast, June brings warmer weather, with an average temperature of 16°C (62°F) and maximums climbing to 23°C (74°F). While June has slightly lower precipitation at 55 mm (2.2 in) spread over 10 days, the humidity decreases to 77%. For a more detailed look at June, check out Marstal weather in June.

In comparing the weather between May and July, it's clear that July brings warmer temperatures and slightly higher precipitation. May features a range of temperatures from a cool 5°C (41°F) to a mild 18°C (66°F), with an average of 11°C (53°F) and 59 mm (2.3 in) of rainfall spread over 9 days, accompanied by an 80% humidity level. In contrast, July enjoys much warmer conditions, with minimum temperatures starting at 13°C (55°F) and peaking at 26°C (78°F), averaging 18°C (64°F). However, it also experiences higher precipitation at 72 mm (2.8 in) over 13 days, while maintaining a slightly lower humidity level of 77%. For more detailed information, you can check Marstal weather in July.

In May, temperatures range from a chilly 5°C (41°F) to a moderate maximum of 18°C (66°F), with an average of 11°C (53°F). The month experiences about 59 mm (2.3 in) of precipitation over 9 days, accompanied by high humidity levels at 80%. In contrast, August sees warmer conditions, with temperatures varying from a minimum of 13°C (56°F) to a high of 26°C (78°F) and an average temperature of 18°C (65°F). Precipitation in August increases to 83 mm (3.3 in), occurring over 14 days, and the humidity slightly decreases to 77%. For more detailed insights into weather patterns, you can explore Marstal weather in August.

In May, temperatures begin to warm up as the month progresses, with a minimum of 5°C (41°F) and a pleasant average of 11°C (53°F), peaking at a comfortable 18°C (66°F). The weather is relatively cool and damp, featuring about 59 mm (2.3 in) of precipitation over roughly 9 days, accompanied by a humidity level of 80%.

In contrast, September experiences a significant increase in warmth, with a minimum temperature of 10°C (51°F) and an average rising to 16°C (61°F), reaching up to 23°C (75°F) at its highest. However, the month tends to be wetter, with 72 mm (2.8 in) of rainfall spread across about 12 days, resulting in a slightly higher humidity of 83%. For more detailed insights, you can check Marstal weather in September.

Overall, while both months exhibit a fair amount of moisture, September offers a warmer and more humid experience compared to the cooler and relatively drier May.

May and October both exhibit mild temperatures, with daily highs reaching around 18°C (66°F) in both months. However, May generally offers a slightly more pleasant experience with an average temperature of 11°C (53°F), compared to October’s average of 12°C (55°F). In terms of precipitation, October is notably wetter, receiving 108 mm (4.2 in) over 17 days, while May experiences 59 mm (2.3 in) over just 9 days. The humidity also rises in October to 87%, compared to May's 80%. For more detailed information, check out Marstal weather in October.

May and November offer contrasting weather experiences. In May, temperatures range from a chilly minimum of 5°C (41°F) to a pleasant maximum of 18°C (66°F), with an average temperature of 11°C (53°F). The humidity is moderate at 80%, and while there’s precipitation on about 9 days, the total rainfall is relatively low at 59 mm (2.3 in). In contrast, November brings cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 16°C (62°F), averaging just 8°C (47°F). This month is also wetter, with 72 mm (2.8 in) of rain spread over 15 days and humidity levels rising to 89%. To learn more about the weather specifics for November, you can visit Marstal weather in November.

May and December present starkly contrasting weather conditions. In May, temperatures range from a mild minimum of 5°C (41°F) to a pleasant maximum of 18°C (66°F), with an average of 11°C (53°F). Precipitation is moderate, totaling 59 mm (2.3 in) over about 9 days, coupled with a humidity level of 80%. In comparison, December brings colder temperatures, with a minimum dipping to -1°C (30°F) and a maximum of only 10°C (50°F), averaging around 5°C (41°F). Rainfall increases to 84 mm (3.3 in), with precipitation occurring on 17 days, and humidity rises slightly to 88%. For a deeper look at December weather specifics, visit Marstal weather in December.

Compare Marstal's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Marstal

As May unfolds in Marstal, the weather becomes a delightful prelude to summer, offering a noticeable shift compared to the chillier months. With average temperatures rising to a comfortable 11°C, and the delightful potential of reaching a maximum of 18°C, it's a time when the town begins to bloom under the gentle warmth of spring. However, expect occasional showers, with precipitation spread over about 9 days, contributing to the lush, vibrant scenery. The humidity hovers around a significant 80%, adding a refreshing touch to the air. This month stands out as a transition, inviting both locals and visitors to embrace the outdoors before the peak summer heat arrives. For a deeper dive into Marstal's climate patterns, visit Marstal Climate.