Last updated: August 21, 2025
In May, Oia, Greece welcomes visitors with pleasant temperatures ranging from a minimum of 15°C (60°F) to a maximum of 24°C (75°F), offering a delightful average of 19°C (67°F). With zero precipitation days and only 4 mm (0.2 in) of rainfall throughout the month, you can expect ideal conditions for exploring the stunning landscapes and picturesque architecture. The air is refreshingly humid at 81%, ensuring that the charm of this enchanting destination is complemented by comfortable weather, perfect for enjoying sun-soaked adventures.
As spring transitions to summer, May in Oia, Greece brings a delightful warmth that enchants visitors. With minimum temperatures rising to 15°C (60°F) and a comfortable average of 19°C (67°F), the days become noticeably sunnier. The maximum temperatures can reach up to 24°C (75°F), inviting travelers to bask in the glorious Mediterranean sun. This month marks a significant shift from the cooler preceding months, establishing the perfect environment for exploring the iconic whitewashed buildings and stunning sunsets that Oia is renowned for. As the island awakens from its winter slumber, the pleasant climate in May makes it an ideal time for outdoor adventures and leisurely strolls along the breathtaking coastline.
May in Oia, Greece, marks a significant transition towards the dry summer months, as it experiences minimal precipitation with just 4 mm (0.2 inches) of rain, a marked decrease from the wetter months prior. This dry spell is reflected in the fact that there are no rainy days recorded throughout the month. Following the comparatively wetter spring, where even April received 17 mm of rain, May heralds a shift to clear skies and abundant sunshine, encouraging outdoor activities and showcasing the stunning Mediterranean landscape. As the month progresses, Oia's charming streets and breathtaking views become a sun-drenched paradise, paving the way for the increasingly arid summer ahead.
As spring transitions into summer, May brings a noticeable increase in humidity in Oia, Greece, reaching 81%. This elevated level marks a peak for the year, following a consistent rate of 77% throughout the preceding months. After basking in mild levels since January, the shift in humidity levels in May suggests an approaching wave of warmth and moisture, setting the stage for the dry and less humid months of June through August, where humidity dips notably to 71% and 66% respectively. The fluctuation from higher spring humidity to the drier summer air illustrates the region's dynamic climate, inviting visitors to experience the refreshing Mediterranean atmosphere during this vibrant time of year.
In May, Oia, Greece, experiences a very high UV Index of 10, indicating it's a peak time for sun exposure. With a burn time of just 15 minutes, visitors must be cautious as they bask in the enchanting Santorini sun. This month marks the transition from spring to summer, where UV levels intensify rapidly, escalating from a moderate rating of 3 in January to a staggering 10 by May. As daylight stretches longer and temperatures rise, it's essential to take proactive measures to protect your skin. For more detailed insights on the UV index trends and safety recommendations, visit Oia UV Index.
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May in Oia, Greece, brings a delightful surge of sunshine, with 401 hours of radiant light gracing the picturesque landscape. This marks a significant increase from the previous months, showcasing a clear upward trend as spring transitions into summer. Following the steady rise from 218 hours in January to 272 hours in February and up to 354 hours in April, May stands out as a beacon of warmth and brightness. The climb continues into June with 412 hours, but May’s sun-drenched days are particularly enchanting. As the days grow longer, Oia transforms into a vibrant canvas, inviting visitors to bask in its beauty and embrace the joys of the season.
In Oia, Greece, the likelihood of sunny weather in May reaches an impressive 78%, showcasing a delightful trend as the spring transitions into the summer. This marks a significant increase from the previous months, where sunny days lingered around the mid-50s to mid-60s. As the year progresses, the sunshine percentage surges, peaking in the summer months with July and August boasting an almost guaranteed 99% and 100% chance, respectively. May serves as a perfect harbinger of the sun-soaked days ahead, making it an ideal time for visitors to enjoy picturesque views and vibrant surroundings in this stunning locale.
As spring unfolds in Oia, Greece, May stands out with a delightful 14 hours of daylight, marking a peak in the lengthening days that began in March. Following the gradual increase from 9 hours in January to 11 in March and 13 in April, May heralds a vibrant shift into summer, continuing to embrace the same generous daylight as June and July. The daylight hours begin to wane slightly by August, transitioning back to 12 hours in September and a gradual decline leading into winter. This progression not only enhances the picturesque beauty of Oia but also invites visitors to revel in long, sunlit days filled with exploration and relaxation. The rhythmic ebb and flow of daylight throughout the year encapsulates the charm of Oia, making it a captivating destination for sun-seekers in May.
In May, the winds in Oia, Greece, begin to soften, averaging 5.7 m/s (13 mph), a notable decrease from the brisk gusts of spring. This calming trend continues into June, where the winds are at their lowest for the year at 5.4 m/s (12 mph). As summer approaches, Oia welcomes a pleasant shift, making May an ideal time for leisurely strolls and sunset views without the interruption of strong winds. Looking ahead, July sees a resurgence with speeds rising again to 8.0 m/s (18 mph), bringing back the lively breezes characteristic of the season. This pattern reflects Oia's transitional climate, where the gentle May winds set the stage for the vibrant summer ahead.
Weather in Oia varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Oia, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather patterns. In May, temperatures are milder, ranging from a minimum of 15°C (60°F) to a maximum of 24°C (75°F), with an average of 19°C (67°F). This month enjoys low precipitation, with only 4 mm (0.2 in) recorded over 0 days and a humidity level of 81%. In stark contrast, January experiences cooler weather, with temperatures ranging from a minimum of 5°C (40°F) to a maximum of 20°C (68°F) and an average of 13°C (56°F). Precipitation is significantly higher during this month, totaling 76 mm (3.0 in) over 11 days, and the humidity is slightly lower at 77%. For a more detailed look at January's weather, you can visit Oia weather in January.
May weather is generally warmer and drier compared to February, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 24°C (75°F). In contrast, February experiences cooler temperatures, with an average range of 7°C (44°F) to 19°C (66°F), and is significantly wetter, receiving about 58 mm (2.3 in) of precipitation over 8 days. While humidity levels are slightly higher in May at 81%, February maintains a comfortable 76%. For more detailed insights on February weather, you can check this link: Oia weather in February.
In comparing the weather between May and March, it is evident that May offers a significantly warmer climate, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 24°C (75°F), and an average of 19°C (67°F). In contrast, March sees cooler temperatures, with a range from 6°C (44°F) to 18°C (65°F) and an average of 14°C (58°F). Additionally, May boasts very little precipitation, recording only 4 mm (0.2 in) across zero rainy days, while March experiences a much wetter environment with 44 mm (1.7 in) of rain over six days. The humidity levels are relatively similar, with May at 81% and March slightly lower at 77%. For a more detailed look at March weather, you can check out Oia weather in March.
In comparing the weather between April and May, we see a notable increase in temperature as we transition into late spring. In April, temperatures range from a minimum of 11°C (51°F) to a maximum of 20°C (69°F), with an average of 16°C (61°F). In contrast, May enjoys warmer conditions, with temperatures ranging from 15°C (60°F) to a maximum of 24°C (75°F), averaging 19°C (67°F).
Moreover, April experiences more precipitation, totaling 17 mm (0.7 in) over two days, while May sees significantly less rainfall, with only 4 mm (0.2 in) over no rainy days. April also has slightly lower humidity at 77%, compared to May's 81%. For those interested in specific weather details for Oia in April, Oia weather in April provides further insights.
In comparing the weather between May and June, June tends to be slightly warmer with minimum temperatures starting at 18°C (65°F) compared to May's 15°C (60°F). The average temperature rises from 19°C (67°F) in May to 23°C (73°F) in June, and maximum temperatures reach up to 27°C (80°F) in June, compared to 24°C (75°F) in May. Interestingly, both months see very little precipitation, with June experiencing just 3 mm (0.1 in) and May having slightly more at 4 mm (0.2 in), with no rainy days recorded in either month. Humidity also decreases slightly from May's 81% to June's 77%. For more specific conditions during June, you can check Oia weather in June.
In May, the weather typically features a mild climate with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 24°C (75°F), averaging around 19°C (67°F). The month experiences minimal rainfall, with only 4 mm (0.2 in) and no rainy days, though humidity remains relatively high at 81%. In contrast, July brings warmer conditions, with temperatures starting at a minimum of 22°C (72°F) and peaking at 28°C (83°F), averaging 25°C (77°F). Additionally, July boasts completely dry conditions, experiencing no precipitation and lower humidity levels at 71%. For a closer look at what to expect, check out Oia weather in July.
May weather is characterized by mild temperatures, with a minimum of 15°C (60°F) and a comfortable average of 19°C (67°F), peaking at 24°C (75°F). The month experiences very little rainfall, only about 4 mm (0.2 in), and boasts a high humidity level of 81%. In contrast, August offers warmer conditions, featuring a minimum temperature of 22°C (73°F) and an average of 25°C (77°F), reaching a maximum of 30°C (86°F). Precipitation remains minimal at just 1 mm (0.0 in) over the month with no rainy days, and the humidity drops to 66%, making it feel drier than May. For more detailed weather insights, you can check Oia weather in August.
In comparing the weather between May and September, we see notable differences in temperature and humidity. May experiences milder temperatures, with minimums around 15°C (60°F) and maximums reaching 24°C (75°F), while September offers warmer averages, with minimums at 20°C (68°F) and maximums peaking at 27°C (82°F). Additionally, both months see very little precipitation, with May registering 4 mm (0.2 in) and September only 2 mm (0.1 in), but the humidity is higher in May at 81%, compared to September's 70%. For more detailed insights into September's conditions, you can check Oia weather in September.
In May, the weather tends to be mild with average temperatures ranging from a low of 15°C (60°F) to a high of 24°C (75°F), accompanied by a comfortable humidity level of 81% and virtually no precipitation. In contrast, October experiences slightly warmer temperatures, with averages between 16°C (61°F) and 26°C (79°F), though it does see some rainfall, totaling 14 mm (0.5 in) over about two days. The humidity in October drops to 76%, making the overall atmosphere a bit drier. For more details on October's weather, you can check Oia weather in October.
In May, the weather is characterized by mild temperatures ranging from a minimum of 15°C (60°F) to a pleasant maximum of 24°C (75°F), with an average of 19°C (67°F). This month sees very little precipitation, with only 4 mm (0.2 in) recorded and no rainy days, resulting in high humidity levels of 81%.
Conversely, November presents slightly cooler conditions, with temperatures fluctuating from a minimum of 13°C (55°F) to a maximum of 23°C (73°F) and an average temperature of 18°C (65°F). Notably, November experiences significantly more precipitation, totaling 41 mm (1.6 in) over five days, and maintains a humidity level of 77%.
For more detailed insights, you can check out Oia weather in November.
May and December showcase distinct weather patterns, highlighting the transition from spring to winter. In May, the temperature ranges from a pleasant minimum of 15°C (60°F) to a maximum of 24°C (75°F), with an average of 19°C (67°F). The month enjoys low precipitation, with just 4 mm (0.2 in) recorded over no rainy days, and humidity is relatively high at 81%. In contrast, December experiences cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 20°C (68°F), averaging 15°C (60°F). This month sees significantly more rainfall, totaling 72 mm (2.8 in) over 12 days, while humidity remains slightly lower at 78%. For a detailed look at Oia's weather during December, check out Oia weather in December.
As May arrives in Oia, the weather offers a delightful transition from the cooler spring months to the warmth of summer. With average temperatures hovering around 19°C (67°F) and maximums reaching 24°C (75°F), the pleasant climate invites visitors to explore the stunning landscapes and picturesque views. Unlike the winter months that often see more precipitation, May boasts an impressive 0 days of rain, making it perfect for outdoor activities. However, the humidity can be quite high at 81%, adding a touch of warmth to the sunny days. To discover more about Oia’s climate and how it compares to other months, check out Oia Climate.