Last updated: August 21, 2025
In May, Poros, Greece enjoys a delightful Mediterranean climate, where temperatures range from a mild 13°C (55°F) at night to a comfortable maximum of 24°C (75°F) during the day. With an average temperature of 18°C (65°F), this month offers a perfect balance for outdoor enthusiasts. Visitors can expect a touch of rain, with an average precipitation of 16 mm (0.6 in) spread over three days, resulting in a humidity level of 72%. This pleasant weather makes May an ideal time to explore the island's stunning landscapes and vibrant culture.
In May, Poros, Greece begins to shake off the chill of winter, welcoming warmer days with an inviting average temperature of 18°C (65°F). The month ushers in a delightful transition, with minimum temperatures rising to a comfortable 13°C (55°F) and daytime highs often reaching a pleasant 24°C (75°F). This marks a notable shift from the cooler April temperatures, setting the stage for the sun-drenched summer ahead. As the days grow longer and sunnier, May is a perfect time to explore the island's stunning landscapes and vibrant culture, making it an ideal month for both relaxation and adventure.
In May, Poros, Greece experiences a noticeable decrease in precipitation, with only 16 mm (0.6 in) recorded over three days. This marks a significant reduction from the earlier months, indicating the onset of drier conditions as spring transitions into summer. The contrast is stark when compared to January's substantial 179 mm (7.1 in), highlighting a trend where rainfall steadily declines throughout the spring. April sets the stage for this shift with a mere 31 mm (1.2 in) over five days, allowing the soothing warmth of May to dominate the atmosphere. As the landscape begins to dry, residents and visitors alike can enjoy longer sun-filled days, perfect for exploring the island’s natural beauty.
In May, humidity in Poros, Greece, settles at a moderate 72%, marking a noticeable decline from the preceding months. This slight dip reflects a transition from the damp chill of early spring, characterized by January's high of 84% humidity, to the more refreshing conditions of late spring. As summer approaches, the air gradually becomes drier, with June witnessing a significant drop to 60%. This trend showcases how May offers a perfect balance, bridging the gap between the lush, humid spring and the arid summer months, making it an ideal time to experience the island's vibrant flora and inviting landscapes.
In May, Poros, Greece, experiences a notable surge in UV radiation, reflected in its UV Index of 9, which categorizes exposure as very high. This heightened level signals a significant shift from the cooler months, as the burn time drops to just 15 minutes. As visitors revel in the onset of summer, it becomes crucial to prioritize sun safety, especially as the UV index continues to climb into June and July. This trend indicates that the sun's intensity in Poros is on the rise, urging early adopters of outdoor activities to take precautions against sunburn. For more insights into UV levels throughout the year, visit Poros UV Index.
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May in Poros, Greece, shines brightly with an impressive 400 hours of sunshine, marking a delightful peak in the spring season. As the days grow longer and warmer, one can clearly see a consistent upward trend from the earlier months, moving from 209 hours in January to a vibrant 349 hours in April. This gradual increase reaches a lovely crescendo in May, setting the stage for the sun-drenched summer ahead, where June sees a slight rise to 410 hours. With such abundance of sunlight, May is the perfect time to bask in Poros’s natural beauty, savoring the allure of its radiant days before the peak summer heat arrives.
As spring transitions into summer, May in Poros, Greece offers a delightful increase in sunny days, boasting a 69% chance of sunshine. This marks a noticeable rise from the preceding months, with April's 57% and even more striking compared to the chillier January and February. As we move into June, the likelihood soars to an impressive 86%, showcasing how rapidly the weather shifts in favor of sun-seekers. The trend clearly suggests that May is not only a pleasant month to visit but also a promising start to the sun-drenched days of summer on this picturesque island. Whether you're planning outdoor adventures or leisurely beach days, May's vibrant weather is sure to enhance your experience.
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 Poros, Greece, the May wind presents a gentle transition, featuring an average wind speed of 5.1 m/s (11 mph), slightly lower than the preceding months of April and March. This marks the end of the spring season, where wind speeds gradually decline before the onset of summer's calmer breezes. The trend reveals that as the year progresses, the winds tend to settle, peaking in January at 8.6 m/s (19 mph) and tapering down to their softest in August. The change in pace during May creates the perfect atmosphere for enjoying the island's enchanting scenery, as the softer winds complement the warming temperatures of late spring, making it an ideal time for outdoor adventures and leisurely strolls along the coasts.
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.
The weather in May is generally more pleasant compared to January, featuring warmer temperatures that range from a minimum of 13°C (55°F) to a maximum of 24°C (75°F), with an average of 18°C (65°F). In contrast, January experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 12°C (54°F), peaking at 19°C (66°F). Additionally, May has significantly less precipitation, with only 16 mm (0.6 in) falling over just 3 days, while January sees much more rain, totaling 179 mm (7.1 in) over 14 days. The humidity is also higher in January at 84%, compared to 72% in May, contributing to a more comfortable atmosphere during the latter month. For more detailed insights, you can check Poros weather in January.
May and February showcase significantly different weather patterns. In May, temperatures range from a minimum of 13°C (55°F) to a maximum of 24°C (75°F), with an average of 18°C (65°F), providing a more pleasant and warmer climate. In contrast, February experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 17°C (63°F), averaging 13°C (55°F). Additionally, February sees much higher precipitation, totaling 96 mm (3.8 in) over about 10 days, compared to May's milder 16 mm (0.6 in) spread over just 3 days. The humidity levels also vary, slightly higher in February at 78% compared to 72% in May. For more details, you can check Poros weather in February.
When comparing the weather between May and March, May generally offers warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 24°C (75°F), compared to March's cooler range of 6°C (44°F) to 17°C (63°F). Additionally, May experiences significantly less precipitation, receiving only 16 mm (0.6 in) over 3 days, while March sees much wetter conditions, accumulating 63 mm (2.5 in) over 10 days. Despite their relatively similar humidity levels, with May at 72% and March at 75%, the overall climate in May is more inviting for outdoor activities. For more detailed insights on March weather, you can refer to Poros weather in March.
In comparing the weather between April and May, we see a clear warming trend as spring progresses. May experiences a slightly higher minimum temperature of 13°C (55°F) compared to April's 11°C (52°F), and an average temperature increase to 18°C (65°F) from April's 15°C (60°F). While the maximum temperatures are similar—24°C (75°F) in May and 23°C (74°F) in April—May benefits from significantly lower precipitation, totaling just 16 mm (0.6 in) over 3 days, whereas April has 31 mm (1.2 in) over 5 days. Moreover, humidity remains relatively stable, with May at 72% and April at 70%. For a more detailed overview of April's weather, you can refer to Poros weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 13°C (55°F) to a maximum of 24°C (75°F), with an average of 18°C (65°F). The month sees about 16 mm (0.6 in) of precipitation over approximately 3 days, accompanied by higher humidity levels at 72%. In contrast, June experiences warmer temperatures, with a minimum of 16°C (62°F), an average of 22°C (71°F), and a maximum of 27°C (82°F). Although it is slightly wetter than May, with 23 mm (0.9 in) of precipitation falling over just 2 days, humidity decreases to a more comfortable 60%. For detailed insights into June's weather, you can check Poros weather in June.
May and July present contrasting weather experiences. In May, temperatures range from a minimum of 13°C (55°F) to a maximum of 24°C (75°F), with an average temperature of 18°C (65°F). The month sees about 16 mm (0.6 in) of precipitation over three days, coupled with a humidity level of 72%, making it relatively mild and slightly damp. In contrast, July boasts warmer temperatures, with a minimum of 20°C (68°F), an average of 24°C (76°F), and a maximum of 28°C (83°F). This month is drier, featuring only 13 mm (0.5 in) of precipitation over just one day, and a lower humidity of 56%, leading to a more comfortable and sunny climate. For more detailed information, check out Poros weather in July.
May weather features mild temperatures, with averages around 18°C (65°F) and a maximum of 24°C (75°F), accompanied by a relatively high humidity of 72%. The month experiences some rainfall, with a total precipitation of 16 mm (0.6 in) spread over about three days. In contrast, August brings warmer conditions, with minimum temperatures around 23°C (73°F) and an average of 26°C (79°F), reaching up to a pleasant 30°C (85°F). The month is typically drier, with only about 5 mm (0.2 in) of precipitation occurring over just one day and significantly lower humidity at 47%. For more detailed insights into August weather, check out Poros weather in August.
May and September present notably different weather patterns. In May, temperatures range from a mild 13°C (55°F) to a comfortable 24°C (75°F), with an average of 18°C (65°F). The month experiences relatively low precipitation, totaling just 16 mm (0.6 in) over about three days, combined with a higher humidity level of 72%. In contrast, September boasts warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 28°C (82°F), averaging 24°C (76°F). This month sees increased rainfall, accumulating 49 mm (1.9 in) across four days, but enjoys lower humidity at 56%. For a detailed look at September weather, visit Poros weather in September.
In May, temperatures range from a mild 13°C (55°F) at night to a pleasant 24°C (75°F) during the day, making it a comfortable time for outdoor activities. With only 16 mm (0.6 in) of precipitation over just 3 days, the weather is relatively dry and accompanied by a humidity level of 72%.
In contrast, October experiences slightly warmer temperatures, with nighttime lows of 15°C (59°F) and daytime highs reaching 26°C (79°F). However, this month sees a significant increase in rainfall, totaling 121 mm (4.8 in) over 8 days, while maintaining a similar humidity level of 70%. For more details, check out Poros weather in October.
May and November in Poros present contrasting weather patterns. In May, temperatures range from a mild 13°C (55°F) to a warm 24°C (75°F), with an average of 18°C (65°F). The month experiences relatively low precipitation at 16 mm (0.6 in) over just three days, creating a pleasant environment with a humidity level of 72%. In contrast, November brings cooler temperatures with a minimum of 12°C (53°F) and a maximum of 23°C (73°F), maintaining a similar average of 18°C (64°F). However, it is significantly wetter, with precipitation totaling 225 mm (8.8 in) spread over 14 days, leading to higher humidity at 80%. For more details, check out Poros weather in November.
May and December present contrasting weather experiences. In May, temperatures are generally milder, ranging from a minimum of 13°C (55°F) to a maximum of 24°C (75°F), accompanied by relatively low precipitation of just 16 mm (0.6 in) spread over three days. The humidity levels are comfortable at 72%. In contrast, December sees cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 19°C (67°F). The month is notably wetter, with a significant 204 mm (8.0 in) of rain falling over 16 days and higher humidity at 83%. For a more detailed look at December weather, visit Poros weather in December.
As May unfolds on Poros, the weather begins to transition into the warm embrace of summer, characterized by mild temperatures that create a pleasant atmosphere for outdoor activities. With an average of 18°C (65°F) and maximums peaking at 24°C (75°F), visitors can relish in a perfect balance of warmth without the extreme heat of peak summer months. While occasional rain showers may occur, totaling around 16 mm over just three days, the overall humidity of 72% ensures a refreshing coastal breeze. This month stands out as a delightful prelude to the vibrant summer, making it an ideal time for exploring the island's natural beauty. For a more in-depth look, check out Poros Climate.