Last updated: August 21, 2025
May weather in Poros, Greece is a delightful blend of warm temperatures and occasional light rain. With a maximum of 27°C (81°F) and an average of 20°C (68°F), the days are comfortably pleasant, making it perfect for outdoor explorations. The minimum temperature dips to 14°C (57°F) during the nights, providing a refreshing coolness. While the month sees only 11 mm (0.5 in) of rainfall over just 2 days, the humidity levels hover around 77%, adding a touch of Mediterranean charm to the atmosphere. Embrace the vibrant scenery and mild climate as Poros transitions into the summer season.
In May, Poros, Greece, begins to bloom, showcasing delightful warmth as the temperatures rise alongside the blossoming landscape. With a minimum of 14°C (57°F) and reaching a maximum of 27°C (81°F), the island enjoys a pleasant average temperature of 20°C (68°F), making it an inviting month for visitors. This gradual increase from the cooler April temperatures reflects the approach of summer, encouraging outdoor activities amidst stunning natural scenery. As the days grow longer and sunnier, May offers the perfect blend of mildness and warmth, encouraging travelers to embrace the captivating charm of this idyllic Greek island.
In May, Poros, Greece, experiences a significant drop in precipitation, with only 11 mm (0.5 in) of rainfall recorded over just 2 days. This marks a continuation of the declining trend that began in April, signaling the onset of a drier season as summer approaches. Compared to the earlier months, where precipitation ranged from 27 mm in April to 52 mm in January, May's rainfall is relatively minimal, setting the stage for the increasingly dry conditions ahead. The limited rainfall in May not only reduces the number of rainy days but also contributes to a warm, sun-kissed atmosphere, making it an ideal time for outdoor activities and exploration in this beautiful Mediterranean locale.
As spring gives way to summer, May in Poros, Greece, experiences a slight uptick in humidity, settling at 77%. This marks a subtle increase from the previous months, where humidity hovered around 75% in both April and February, showcasing a trend of gradual escalation as the temperatures rise. Interestingly, this peak in May contrasts sharply with the drier summer months of June and July, which see humidity dip to 71% and 68%, respectively. Overall, May serves as a transitional month, bridging the lush, moist atmosphere of spring with the more arid conditions of the fast-approaching summer, making it an ideal time to enjoy the island's natural beauty before the dry heat sets in.
As May arrives in Poros, Greece, the sun intensifies with a UV Index of 10, classified as very high, marking a significant increase from the previous months. This peak in exposure reduces your safe sunburn time to just 15 minutes, similar to the conditions you'll experience in June through August. The trend clearly indicates that as spring transitions into summer, the need for protective measures against UV rays becomes essential. With the UV Index gradually rising from 3 in January to 10 in May, it's vital to stay vigilant and protect your skin during this sun-drenched season. For more insights on the UV levels throughout the year, visit Poros UV Index.
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May welcomes a spectacular burst of sunshine in Poros, Greece, as the island basks in 399 hours of glorious sunlight, setting the stage for a vibrant summer ahead. This month marks a noticeable increase from the previous months, where March and April began to hint at the warm days to come with 331 hours and 347 hours respectively. The sunshine hours continue to climb through to June and July, which are the peak months, but May stands out as a delightful transition into the summer season. The gradual rise in daylight not only enhances the island's natural beauty but also invites visitors to explore its charming streets and stunning landscapes, making it an ideal time for outdoor activities and relaxation.
As May arrives in Poros, Greece, the likelihood of basking in sunny weather significantly increases, boasting a 73% chance of sunshine. This upward trend follows a series of unpredictable but improving months, with January starting at a moderate 50% and gradually rising through the spring to April’s 57%. May marks a delightful transition into summer, paving the way for June's 77% and July's impressive 96% exposure to the sun. As the weeks progress, visitors can look forward to more radiant days, with sunshine becoming the hallmark of the warm summer months ahead.
As spring transitions into summer, Poros, Greece experiences a remarkable increase in daylight hours, peaking at 14 hours in both May and June. Starting the year with just 9 hours of daylight in January, the gradual gain is both refreshing and invigorating. By May, the days have grown longer, offering 14 hours of sunlight that invite outdoor adventures and scenic exploration. This trend continues into the summer months before gently tapering off in early autumn; August sees a slight decline to 13 hours, and by September, the daylight decreases to 12 hours. As the year progresses, daylight hours return to 10 in November and cycle back to 9 by December, completing the natural rhythm of life on this charming Greek island.
In May, the winds in Poros, Greece begin to mellow, marking a transition from the stronger gusts of earlier months. With an average wind speed of 2.9 m/s (6 mph), May experiences the calmest breezes of the year, creating an ideal environment for leisurely outdoor activities and sailing. This downward trend in wind speed from April's 3.5 m/s (8 mph) reflects the settling atmosphere as summer approaches. Interestingly, this gentle airflow continues into June, but it picked up again in the peak summer months of July and August. As the seasons shift, the winds will gradually return to a more invigorating pace, especially noticeable in the fall and winter months.
Weather in Poros varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Poros, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather patterns. In May, temperatures range from a mild 14°C (57°F) to a warm 27°C (81°F), with an average of 20°C (68°F). This month sees relatively little rain, with only 11 mm (0.5 in) of precipitation over about 2 days, and humidity levels are comfortably high at 77%. In contrast, January features much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 20°C (69°F), averaging just 12°C (53°F). Rainfall is significantly heavier in January, totaling 52 mm (2.0 in) over 7 days, and the humidity is slightly lower at 76%. For those interested in more details, Poros weather in January provides further insights into the winter climate.
May and February exhibit notable differences in weather, reflecting the transition from spring to early summer. In May, temperatures are significantly warmer, with average temperatures around 20°C (68°F) and highs reaching up to 27°C (81°F), while February's averages linger at a cooler 13°C (55°F), peaking at only 18°C (65°F). Additionally, May experiences considerably less precipitation, totaling just 11 mm (0.5 in) over only 2 days, compared to February’s 46 mm (1.8 in) which is spread over 7 days. Humidity levels are somewhat similar, with May at 77% and February at 75%, but the overall climate in May feels more pleasant due to less rain and higher temperatures. For that detailed comparison, you can check Poros weather in February.
In comparing the weather between March and May, May generally presents a warmer and drier climate. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), with an average of 20°C (68°F), while March sees cooler conditions with temperatures ranging from 4°C (40°F) to 20°C (68°F), averaging at 13°C (56°F). Additionally, May experiences significantly lower precipitation, with only 11 mm (0.5 in) over 2 days compared to March's 33 mm (1.3 in) over 4 days. The humidity remains relatively similar, at 77% in May and 74% in March. For more details on March weather, you can check Poros weather in March.
In comparing the weather between April and May, it's evident that May offers warmer temperatures overall. While April sees a minimum of 9°C (49°F) and an average of 16°C (60°F), May's temperatures rise to a minimum of 14°C (57°F) and an average of 20°C (68°F). May also boasts a higher maximum temperature of 27°C (81°F), compared to April’s 24°C (75°F). Additionally, the precipitation in April is significantly higher at 27 mm (1.1 in) over four days, while May has only 11 mm (0.5 in) of rain across two days. The humidity remains relatively consistent, with April at 75% and May slightly higher at 77%. For more detailed insights, you can check Poros weather in April.
May and June showcase a transition into warmer weather, with June generally experiencing higher temperatures. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), averaging around 20°C (68°F) and accompanied by 11 mm of precipitation over 2 days and a humidity level of 77%. In contrast, June sees a noticeable increase in warmth, with minimum temperatures starting at 17°C (62°F) and reaching up to 32°C (90°F), resulting in an average temperature of 24°C (75°F). Despite a similar amount of precipitation at 12 mm over 2 days, June enjoys slightly lower humidity at 71%. For more detailed insights, check out Poros weather in June.
May offers a mild climate with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), averaging around 20°C (68°F). The month sees some rainfall, with approximately 11 mm (0.5 in) of precipitation over 2 days, accompanied by a relatively high humidity level of 77%. In contrast, July delivers a significantly warmer experience, with temperatures starting at 22°C (71°F) and peaking at 34°C (94°F), averaging 27°C (81°F). Additionally, July has much lower rainfall, with only 5 mm (0.2 in) over just 1 day and a decrease in humidity to 68%. For more information on July's weather, visit Poros weather in July.
May and August present quite different weather patterns. In May, temperatures range from a mild minimum of 14°C (57°F) to a comfortable maximum of 27°C (81°F), with an average of 20°C (68°F). The month experiences some rainfall, with about 11 mm (0.5 in) recorded over two days and humidity levels hovering around 77%.
In contrast, August showcases a much warmer climate, with temperatures ranging from a minimum of 23°C (73°F) to a peak of 34°C (93°F), averaging 28°C (82°F). This month is generally dry, enjoying only 6 mm (0.2 in) of precipitation and no rainy days, accompanied by lower humidity levels at 63%.
For a more detailed look at conditions during this summer month, you can explore Poros weather in August.
May and September offer distinct weather experiences, with May generally presenting milder conditions. In May, temperatures range from a minimum of 14°C (57°F) to a pleasant maximum of 27°C (81°F), accompanied by higher humidity at 77% and minimal precipitation of just 11 mm over two days. In contrast, September enjoys warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 32°C (91°F). Although it experiences more precipitation at 30 mm over the same two days, the humidity is lower at 65%. For a more detailed look at September weather, you can visit Poros weather in September.
In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 27°C (81°F), with an average temperature of 20°C (68°F). Precipitation is relatively low at 11 mm (0.5 in), occurring on just 2 days, and humidity levels average at 77%. In contrast, October showcases slightly warmer conditions, with temperatures ranging from 15°C (60°F) to 28°C (83°F) and an average of 21°C (70°F). However, October experiences more rainfall, totaling 28 mm (1.1 in) over 4 days, with humidity dipping to 72%. For more details about October weather, you can check Poros weather in October.
May typically brings warmer temperatures compared to November, with averages around 20°C (68°F) and a maximum of 27°C (81°F). In contrast, November’s temperatures are cooler, averaging 18°C (64°F) with a maximum of 24°C (75°F). Additionally, May sees minimal rainfall, averaging only 11 mm (0.5 in) over just two days, while November experiences significantly more precipitation at 47 mm (1.9 in) across seven days, contributing to slightly higher humidity levels. For more details on the November weather, you can check Poros weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a minimum of 14°C (57°F) to a comfortable maximum of 27°C (81°F), with an average of 20°C (68°F). The month experiences minimal rainfall of just 11 mm (0.5 in) over about 2 days, while humidity sits at 77%. In contrast, December is cooler, with temperatures ranging from 7°C (45°F) to 20°C (69°F), and an average of 14°C (58°F). Rainfall is significantly higher in December, totaling 60 mm (2.4 in) across 9 days, and humidity levels are slightly lower at 76%. For more details on December weather, visit Poros weather in December.
As May graces Poros with its arrival, the weather begins to shift, showcasing a delightful blend of warmth and mildness. Compared to the chillier months preceding it, temperatures rise noticeably, inviting visitors to enjoy the burgeoning outdoor activities amidst a backdrop of blooming nature. With average highs around 20°C, the island starts feeling the approach of summer, while the humidity at 77% adds a tropical touch. Though occasional rain makes an appearance, with just a couple of days of light precipitation amounting to around 11 mm, the overall mood remains positively vibrant. This transition into the brighter season is perfect for those looking to escape into the allure of Greece's breathtaking landscapes. For more on what to expect throughout the year, check out Poros Climate.