May Weather in Ydra, Greece

Last updated: August 21, 2025

May in Ydra, Greece presents a delightful blend of warm temperatures and refreshing sea breezes. With maximum temperatures reaching 25°C (77°F) and an average of 20°C (67°F), visitors can expect pleasant days perfect for exploring this charming island. The minimum temperature dips to a comfortable 15°C (59°F), ideal for evening strolls. Although the month sees a modest precipitation total of 10 mm (just 0.4 in) over a single day, humidity levels hover around 77%, adding a slight coastal mugginess that enhances the Mediterranean ambiance. This combination makes May an enchanting time to experience the captivating beauty of Ydra.

May Temperature in Ydra

In May, Ydra, Greece starts to bask in the warmth of spring, showcasing a delightful transition to summer. With minimum temperatures rising to 15°C (59°F) and maximums reaching a comfortable 25°C (77°F), the island invites visitors to enjoy its stunning landscapes and sparkling waters. The average temperature hovers around 20°C (67°F), making it an ideal time for outdoor adventures. This month marks a significant leap from the cooler earlier months, with April’s maximum of 22°C (71°F), setting the stage for the warm season ahead. As the days get longer and sunnier, Ydra becomes a picturesque haven for those seeking both relaxation and exploration under the Grecian sun.

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

The chart illustrates May temperature patterns in Ydra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ydra, 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).
JanFebMarAprMayJunJulAugSepOctNovDec545657606774798177706459
Data source: Temperature data for Ydra 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 Ydra

May in Ydra, Greece, welcomes the onset of warmer weather with a significant reduction in rainfall, recording only 10 mm (0.4 in) of precipitation over just one day. This stark contrast to the heavier showers of the preceding months marks the transition towards the dry summer season, as April's 21 mm (0.8 in) already hinted at the shift. The trend illustrates a steady decline in precipitation from winter through spring, culminating in the driest months ahead, with June and July expecting even less. Meanwhile, the landscape, bathed in the warm Mediterranean sun, begins to flourish, making May a delightful time for outdoor activities amidst the island's breathtaking scenery.

May Precipitation Trends in Ydra

The chart displays monthly precipitation patterns in Ydra, 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 Ydra, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec565034211061525264761
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ydra

As spring transitions into summer, May in Ydra, Greece, experiences a slight uptick in humidity, rising to 77%. This increase follows a trend of relatively consistent humidity levels throughout the earlier months, characterized by values hovering around the mid-seventies. Notably, compared to April's 75%, May brings a touch more moisture, setting the stage for the warmer months ahead. This gradual rise in humidity, though still moderate, hints at the impending summer season, where humidity begins to decline sharply, dropping to the 68% of July. The overall pattern reflects a cyclical rhythm of moisture that defines the climate of Ydra, making each month a unique experience in this picturesque Greek island.

May Average Humidity in Ydra

This chart illustrates the average monthly humidity levels in Ydra, 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 Ydra is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%77%72%68%63%65%72%75%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ydra

As May arrives in Ydra, Greece, the UV Index soars to 10, marking a significant shift to the very high exposure category. This surge in UV intensity means that sun protection becomes crucial, with a burn time of just 15 minutes for unprotected skin. Following the gradual increase from a moderate 3 in January to a cautious 8 in April, May represents the peak of sun exposure in the spring, alongside June and July. With consistent high levels persisting into summer, it's essential for residents and visitors alike to stay informed and take precautions against the sun's potent rays. For more detailed insights, check out the Ydra UV Index.

Maximum UV Index Levels in Ydra for May

The chart shows the monthly maximum UV Index (UVI) for Ydra 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 Ydra typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101010108743
Data source: Ydra 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 Ydra

As spring gracefully transitions into early summer, May in Ydra, Greece shines with an impressive 401 hours of sunshine. This delightful month marks a peak in daylight, contributing to a vibrant atmosphere as nature flourishes. Following the gradual increase from March (334 hours) and April (347 hours), the month sets the stage for the sun-drenched days ahead in June, which boasts even more hours at 410. The trend is clear: Ydra basks in increasingly bright and beautiful weather, drawing visitors and locals alike to revel in the island's stunning landscapes and charming seaside. With a steady decline in sunshine hours approaching the autumn months, May truly captures the essence of sunny Greek island life, making it a delightful time to visit.

Monthly Sunshine Duration in Ydra: May Highlighted

The May sunshine duration represents the total number of hours Ydra 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.
JanFebMarAprMayJunJulAugSepOctNovDec212h260h334h347h401h410h422h395h348h321h268h257h
Data source: Ydra May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ydra During May

May in Ydra, Greece, stands out as a particularly promising month for sun seekers, with a 75% chance of sunny weather. This significant increase in sunshine potential follows a trend of gradually improving conditions from the start of the year, where January's chance lingers at a modest 51%. As the months progress into spring, we see an upward trajectory, culminating in May’s delightful weather, just shy of the 80% probability of sun that graces the island in June. With each passing month, there’s a clear shift from the cooler, overcast winter days toward the warm, bright summers, making May an ideal time to enjoy the stunning landscapes and vibrant culture of Ydra.

Percentage of Sunny Days in May in Ydra

The chart illustrates the percentage of sunny days in Ydra 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 Ydra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%67%64%58%76%80%97%97%82%59%43%57%
Data source: Ydra May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ydra in May

As spring blooms into summer in Ydra, Greece, daylight durations experience a noteworthy transformation. Starting with a modest 9 hours in January, the days gradually lengthen, reaching 10 hours in February and 11 in March, as the sun begins to assert its presence. April ushers in a delightful 13 hours of daylight, setting the stage for May, when sunshine peaks at 14 hours—the perfect time for outdoor adventures and soaking in the beauty of this stunning island. This extended daylight continues into June, July, and August, before gently tapering off in September and October. By the end of the year, daylight returns to 9 hours in December, mirroring its early winter onset, creating a rhythmic cycle that celebrates the dance of seasons in Ydra.

Average Daylight Hours in Ydra for May

The chart illustrates the variation in daylight duration in Ydra throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 54m10h 48m11h 58m13h 10m14h 10m14h 40m14h 24m13h 31m12h 22m11h 11m10h 9m9h 37m
Data source: Ydra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ydra

In May, Ydra, Greece experiences a notable drop in wind speed, averaging a gentle 3.6 m/s (8 mph), making it one of the calmest months of the year. This reduction follows the trend of increasing wind speeds from winter into spring, where January starts robustly at 6.3 m/s and decreases gradually each month to May. This calming atmosphere facilitates a serene ambiance, perfect for leisurely strolls along the picturesque shores. As summer approaches, the winds pick up again, particularly in July and August, reaching a more moderate flow of 4.3 m/s and 4.0 m/s, respectively. Thus, May serves as a transitional period, where the tranquil setting invites visitors to bask in the warm Grecian sun before the summer breezes return.

Average May Wind Speed in Ydra

The chart displays monthly wind speed patterns in Ydra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.35.65.44.83.6 m/s3.24.34.05.06.35.86.8
Data source: Ydra May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ydra Compares to Other Months

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

May and January present a stark contrast in weather conditions. In May, temperatures range from a comfortable 15°C (59°F) to a warm 25°C (77°F), with an average of 20°C (67°F). The month enjoys relatively low precipitation, receiving just 10 mm (0.4 in) over one day and maintaining a humidity level of 77%.

In contrast, January experiences much cooler temperatures, with a minimum of 4°C (39°F) and an average of 12°C (54°F), peaking at 20°C (69°F). This month is significantly wetter, accumulating 56 mm (2.2 in) of rainfall over eight days, while humidity hovers around 76%.

For more specific insights into January weather conditions, you can check Ydra weather in January.

May and February showcase contrasting weather patterns. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), leading to a pleasant average of 20°C (67°F). With only 10 mm (0.4 in) of precipitation over just 1 day, the month enjoys a relatively dry climate, accompanied by a humidity level of 77%. In contrast, February experiences cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 18°C (64°F), averaging at 13°C (56°F). This month sees significantly higher precipitation, totaling 50 mm (2.0 in) over 7 days, while maintaining a slightly lower humidity level of 75%. For more detailed information, you can check Ydra weather in February.

When comparing the weather in May and March, it's clear that May offers a warmer and drier climate. In May, temperatures range from a low of 15°C (59°F) to a high of 25°C (77°F), with an average of 20°C (67°F) and only about 10 mm (0.4 in) of precipitation over just 1 day. In contrast, March sees cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 18°C (65°F), averaging 14°C (57°F). Additionally, March experiences more rainfall, totaling 34 mm (1.3 in) across approximately 4 days. While both months have similar humidity levels—77% in May and 74% in March—the difference in temperature and precipitation makes May a more favorable time for outdoor activities. For more detailed insights on March weather, you can check Ydra weather in March.

In comparing the weather of April and May, May generally offers warmer temperatures, with a minimum of 15°C and an average of 20°C, compared to April's minimum of 10°C and average of 16°C. Furthermore, May experiences less precipitation, with only 10 mm over 1 day, while April sees 21 mm spread across 3 days, indicating a trend toward drier conditions. Additionally, humidity levels remain relatively similar, with May at 77% and April slightly lower at 75%. For a more detailed look at the weather for this period, you can explore Ydra weather in April.

May weather is characterized by a mild temperature range, with minimums around 15°C (59°F) and maximums reaching 25°C (77°F). The month typically sees about 10 mm (0.4 in) of precipitation over just one day, coupled with relatively high humidity at 77%. In contrast, June offers warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 29°C (84°F), leading to an average of 23°C (74°F). Precipitation decreases to 6 mm (0.2 in) over the same duration of one day, while humidity drops slightly to 71%. For more details on June weather, you can refer to Ydra weather in June.

May typically features milder temperatures with a minimum of 15°C (59°F) and an average of 20°C (67°F), peaking at 25°C (77°F). In contrast, July enjoys significantly warmer weather, with minimums of 22°C (72°F) and an average high of 26°C (80°F), soaring to a maximum of 32°C (89°F). Additionally, May experiences more precipitation, totaling 10 mm (0.4 in) with rain on one day, while July remains largely dry with only 1 mm (0.0 in) of precipitation and no rainy days. Humidity levels are higher in May at 77%, compared to July's lower humidity of 68%. For more detailed information on July weather, visit Ydra weather in July.

May and August exhibit distinct weather patterns, with May experiencing milder temperatures and higher humidity levels. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), accompanied by an average humidity of 77% and light precipitation of 10 mm (0.4 inches) over just one day. In contrast, August is significantly warmer, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (89°F), featuring lower humidity at 63% and virtually no rainfall, receiving only 5 mm (0.2 inches) throughout the month. For more detailed insights into August weather conditions, you can refer to Ydra weather in August.

May and September present distinct weather experiences, highlighting the transition of spring into autumn. In May, the temperatures range from a mild 15°C (59°F) to a comfortable 25°C (77°F), with an average of 20°C (67°F). The month typically sees low precipitation, with about 10 mm (0.4 in) over just one day and a higher humidity level of 77%. In contrast, September boasts warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 30°C (86°F), averaging around 25°C (77°F). This month experiences increased precipitation at 25 mm (1.0 in) over two days, accompanied by a drop in humidity to 65%. For more detailed insights, you can check out Ydra weather in September.

May and October offer mild and pleasant weather, but they have distinct characteristics. In May, temperatures typically range from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), with an average of 20°C (67°F). The month sees low precipitation levels, averaging only 10 mm (0.4 in) over just one rainy day, and humidity is relatively high at 77%. In contrast, October boasts slightly warmer temperatures, with a range from 16°C (61°F) to 27°C (81°F), averaging around 21°C (71°F). However, it experiences increased rainfall, with 26 mm (1.0 in) of precipitation spread over four days, and a lower humidity level of 72%. For more detailed insights into October weather, check out Ydra weather in October.

May weather tends to be warmer and drier compared to November, with average temperatures ranging from 15°C (59°F) to 25°C (77°F) and only about 10 mm (0.4 in) of precipitation over just one day. In contrast, November experiences slightly cooler temperatures, averaging between 12°C (54°F) and 23°C (74°F), along with significantly higher precipitation at 47 mm (1.9 in) over eight days. Despite the drop in temperature, November maintains a similar humidity level at 75%, making the air feel crisp and refreshing. For more specific information about November weather in Ydra, you can check Ydra weather in November.

In May, the weather is pleasantly warm with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 25°C (77°F), and only minimal precipitation of about 10 mm (0.4 in) over just one day. Humidity levels are moderately high at 77%, contributing to a comfortable spring atmosphere. In contrast, December brings cooler conditions, with average temperatures from a low of 8°C (47°F) to a high of 21°C (69°F). The month is significantly wetter, experiencing 61 mm (2.4 in) of rainfall across approximately 10 days, while humidity remains steady at 76%. For more details on December weather, you can check Ydra weather in December.

Compare Ydra's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ydra

As May unfolds, Ydra experiences a delightful transition into warmer weather, setting the stage for the summer ahead. With an average temperature hovering around a pleasant 20°C (67°F), daytime warmth increases, inviting outdoor activities without the intensity of peak summer heat. The month brings only a hint of rain, with just one rainy day and minimal precipitation, allowing residents and visitors alike to enjoy the vibrant scenery. Additionally, humidity levels at 77% create a refreshing yet comfortable atmosphere, making May an ideal time to explore the island's beauty. For a more in-depth look at climate patterns throughout the year, visit Ydra Climate.