Last updated: August 21, 2025
May in Mykonos, Greece offers a delightful transition into the warm season, characterized by an average temperature of 19°C (66°F). Visitors can expect maximum highs of 23°C (74°F) and minimum lows around 15°C (58°F), creating a pleasant climate for outdoor activities. Rainfall is minimal, with only 4 mm (0.2 in) recorded over just one day, ensuring that sunny skies dominate the scenery. With humidity levels at a comfortable 81%, this month presents an ideal opportunity to explore the island's stunning landscapes and vibrant culture, making it a perfect escape for travelers seeking warmth and tranquility.
As May warms Mykonos, temperatures start to rise significantly, marking a delightful transition into summer. With minimums hovering around 15°C (58°F) and averages reaching 19°C (66°F), visitors can expect pleasant days perfect for exploration. The maximum temperatures can stretch up to 23°C (74°F), creating an inviting atmosphere ideal for relaxing on the beautiful beaches or dining al fresco. This steady increase in warmth from the cooler months of winter and spring hints at the vibrant summer ahead, making May an excellent time to enjoy the island's charm without the hustle and bustle of peak season.
In May, Mykonos basked in the warmth of spring, welcoming an average precipitation of just 4 mm (0.2 in), making it one of the driest months of the year. With only one day of rain, the island saw a significant drop from the wetter earlier months of January to April, where precipitation levels were markedly higher. This trend continues into the summer, as June follows with an even lower rainfall of 3 mm (0.1 in). The decreasing precipitation in May heralds the approach of the sun-drenched summer months, perfect for visitors looking to enjoy the idyllic beaches and vibrant atmosphere that Mykonos is renowned for. As temperatures rise and the skies clear, the island transforms into a stunning Mediterranean paradise, showcasing the allure of its picturesque landscapes.
As spring transitions into summer, May brings a noticeable rise in humidity in Mykonos, peaking at 81%. This slight uptick from the steady 77% observed in the previous months sets the stage for the warm, sun-drenched days ahead. Following May, humidity levels begin to drop, with June returning to 77%, and a gradual decline over the summer months culminates in the more comfortable 66% in August. This pattern indicates that while May may feel a bit more muggy, it heralds the vibrant energy of the approaching summer, inviting visitors to soak in both the warmth and the rich cultural tapestry of the island.
As the sun rises higher in the sky, May in Mykonos brings a significant leap in the UV Index, reaching a striking 9—classified as very high. This means sun exposure times need to be approached with care, as even a brief 15-minute burn time can lead to skin damage. The warmer months showcase a clear upward trend in UV radiation, with May serving as a precursor to the intense conditions of summer. With UV levels continuing to peak in June and July, it's essential to stay vigilant and protect your skin while enjoying the island's beautiful beaches. For more detailed information about the UV levels throughout the year, visit Mykonos UV Index.
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May in Mykonos, Greece, brings a glorious burst of sunshine, with 402 hours of radiant daylight illuminating the picturesque landscapes. This month marks a significant uptick in sunny hours compared to the earlier months, showcasing a trend of increasing brightness as spring transitions into summer. After a steady climb from 208 hours in January to 352 hours in April, May’s cheerful weather sets the stage for the vibrant summer season ahead. As temperatures rise and visitors flock to this idyllic island, the sunshine in May not only enhances the beauty of Mykonos but also enriches the experience for those looking to bask in the warmth of the Mediterranean sun.
May in Mykonos heralds the arrival of warmer days, with a remarkable 77% chance of sunshine. This month stands out as a transitional period, where the increasing likelihood of sunny weather begins to outshine the tail end of spring. As the island shakes off the chill of winter—formerly at a modest 41% in January—the chances of clear skies rise steadily through the months. By May, the sun's presence not only becomes more frequent but also sets the stage for the sun-drenched summers ahead, where June boasts an impressive 87% likelihood and peaks in July with nearly 98%. Visitors can expect pleasant, sunlit experiences in May, making it a delightful time to enjoy the beauty of Mykonos.
As spring transitions into summer, Mykonos delights in an increasing daylight duration, peaking beautifully in May with 14 hours of sunlight. The month of May marks a significant shift, building upon April's 13 hours, as the island welcomes longer days and the warmth of approaching summer. This trend of extended daylight continues into June and July, offering residents and visitors alike ample time to bask in the sun-drenched beaches and picturesque landscapes. As summer fades into autumn, daylight gradually diminishes, reminding us of the cyclical beauty of nature. May serves as a perfect illustration of this transition, inviting everyone to enjoy its vibrant, sunlit days.
In Mykonos during the month of May, the winds begin to mellow, averaging 5.7 m/s (13 mph), making it a serene time for both locals and visitors to enjoy the island's stunning scenery. This shift from the brisker winds of earlier months, such as 8.4 m/s in January and 8.2 m/s in February, signals the approach of summer. By May, the winds are gentler compared to the preceding months, providing a pleasant atmosphere for outdoor activities and exploration. As the island transitions toward the more blustery summer months of July, with winds rising to 8.5 m/s, May serves as a delightful bridge, inviting guests to embrace the beauty of Mykonos without the overwhelming gusts.
Weather in Mykonos varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mykonos, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather in Mykonos is generally mild and pleasant, with temperatures ranging from a low of 15°C (58°F) to a high of 23°C (74°F). The month sees minimal precipitation, with just 4 mm (0.2 in) over only one day, and an average humidity of 81%. In stark contrast, January experiences much cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 19°C (67°F). This month is also much wetter, accumulating 97 mm (3.8 in) of rainfall over 12 days, while maintaining a lower humidity level of 77%. For more details on January's weather, visit Mykonos weather in January.
May offers a significant warmth compared to February, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 23°C (74°F) and an average temperature of 19°C (66°F). In contrast, February sees cooler conditions with a minimum of 6°C (43°F) and a maximum of 18°C (64°F), averaging only 13°C (56°F). Additionally, May experiences much less precipitation, with only 4 mm (0.2 in) over one day, while February has a considerably wetter climate, receiving 41 mm (1.6 in) over eight days. The humidity levels are slightly higher in May at 81%, compared to February's 76%. For a more detailed view of February's weather, you can check Mykonos weather in February.
In March, the weather is significantly cooler with average temperatures around 14°C (57°F) and a maximum of 17°C (63°F), while May offers a warmer climate with average temperatures reaching 19°C (66°F) and highs of 23°C (74°F). Additionally, March experiences much higher precipitation, with about 44 mm (1.7 in) spread over 6 days, compared to May’s minimal 4 mm (0.2 in) over just 1 day. Humidity levels are slightly higher in May at 81%, compared to 77% in March. For a detailed look at March weather, you can check Mykonos weather in March.
Comparing the weather in May and April reveals a notable improvement in temperatures and a decrease in precipitation. In May, the average temperature reaches 19°C (66°F), with a minimum of 15°C (58°F) and a maximum of 23°C (74°F), making it significantly warmer than April, which has an average temperature of 15°C (60°F) and temperatures ranging from a minimum of 10°C (50°F) to a maximum of 20°C (68°F). Additionally, May sees only 4 mm (0.2 in) of precipitation over just 1 day, compared to April’s 20 mm (0.8 in) over 3 days. Humidity is slightly higher in May at 81% versus April’s 77%. For detailed insights on April weather, you can view Mykonos weather in April.
In comparing the weather of May and June, June generally offers warmer temperatures, with a minimum of 17°C (63°F) and an average of 22°C (72°F), compared to May's minimum of 15°C (58°F) and an average of 19°C (66°F). The maximum temperatures in June can reach up to 27°C (81°F), while May peaks at 23°C (74°F). Despite these increases in temperature, June experiences slightly less precipitation, with only 3 mm (0.1 in) over one day, compared to May's 4 mm (0.2 in) also on one day. The humidity is a touch lower in June at 77%, compared to May’s 81%. For more detailed insights, you can refer to Mykonos weather in June.
May and July present distinct weather profiles, showcasing the transition from spring to summer. In May, temperatures range from a minimum of 15°C (58°F) to a maximum of 23°C (74°F), with an average of 19°C (66°F). The month experiences some rainfall, with 4 mm of precipitation over a single day and higher humidity levels at 81%. In contrast, July enjoys much warmer temperatures, with a minimum of 21°C (71°F), an average of 25°C (77°F), and a peak of 29°C (85°F). Notably, July is characterized by its dry conditions, recording no precipitation and lower humidity at 71%. For a more detailed look, check out Mykonos weather in July.
May and August offer quite distinct weather experiences. In May, temperatures range from a mild 15°C (58°F) at night to a pleasant average of 19°C (66°F) during the day, with a maximum of 23°C (74°F). This month also sees some precipitation, with 4 mm falling over just one day and higher humidity at 81%. In contrast, August boasts warmer temperatures, with a minimum of 22°C (71°F) and an average of 25°C (77°F), reaching up to a maximum of 29°C (85°F). Notably, August is dry, with no recorded precipitation, and humidity drops to a comfortable 66%. For more details on weather conditions in August, check the link: Mykonos weather in August.
In May, temperatures range from a minimum of 15°C (58°F) to a maximum of 23°C (74°F), with an average of 19°C (66°F). This month experiences a higher humidity level of 81% and light precipitation, measuring just 4 mm (0.2 in) over a single day. In contrast, September boasts warmer temperatures, with a minimum of 19°C (66°F) and reaching up to 27°C (81°F), averaging at 23°C (74°F). Notably, September sees no recorded precipitation, and the humidity drops to a more comfortable 70%. For more details, check out Mykonos weather in September.
In May, temperatures in Mykonos typically range from a minimum of 15°C (58°F) to a maximum of 23°C (74°F), with an average of 19°C (66°F). The month sees only light precipitation, averaging just 4 mm (0.2 in) over the course of about 1 day, and the humidity level is relatively high at 81%. In contrast, October experiences slightly higher temperatures, with minimums at 15°C (58°F) and maximums reaching 25°C (78°F), averaging around 20°C (69°F). However, precipitation increases to 20 mm (0.8 in) over roughly 2 days, and humidity drops to 76%. This marks a subtle transition from the milder, drier weather of May to the more variable conditions of October. For more detailed information, check out Mykonos weather in October.
In May, the weather typically features mild temperatures, ranging from a minimum of 15°C (58°F) to a maximum of 23°C (74°F), with an average of 19°C (66°F). The month sees minimal rainfall, totaling just 4 mm (0.2 in) over one day, and humidity levels are relatively high at 81%. In contrast, November brings slightly cooler temperatures, with a minimum of 12°C (53°F), an average of 17°C (64°F), and a maximum of 22°C (72°F). This month experiences significantly more rainfall, with 44 mm (1.7 in) across six days, and the humidity drops slightly to 77%. For more details, check out Mykonos weather in November.
May and December present striking contrasts in weather patterns. In May, temperatures range from a mild 15°C (58°F) at night to a pleasant average of 19°C (66°F) during the day, peaking at 23°C (74°F). The month boasts low precipitation levels, with mere 4 mm (0.2 in) over just one day, and a relatively high humidity of 81%. In contrast, December is much cooler, with temperatures dipping to a minimum of 9°C (48°F) and averaging 15°C (59°F), reaching a maximum of 20°C (69°F). It also sees significantly higher rainfall, totaling 86 mm (3.4 in) over 12 days, and a slightly lower humidity of 78%. For more details on December weather, check out Mykonos weather in December.
As May unfolds in Mykonos, visitors are welcomed by mild temperatures that stand in contrast to the hotter summer months ahead. With an average temperature of around 19°C (66°F), the island exudes a comfortable charm, making it perfect for exploring its stunning landscapes and vibrant nightlife. Unlike the heavier rains often experienced in the preceding months, May sees minimal precipitation and lower humidity levels, inviting sun-seekers to enjoy the outdoors. This is the ideal time to experience Mykonos before the bustling summer crowds arrive. For a deeper understanding of what to expect throughout the year, check out Mykonos Climate.