Last updated: August 21, 2025
May in Zakynthos, Greece offers a delightful blend of warm temperatures and refreshing breezes, making it an ideal time to explore this stunning island. With maximum temperatures reaching 26°C (80°F) and an average of 19°C (66°F), days are pleasantly inviting, though evenings can be cooler, dropping to a minimum of 13°C (56°F). Visitors can expect light rainfall, with a total precipitation of 16 mm (0.6 in) over approximately four days, adding a refreshing touch to the lush landscapes. Coupled with a humidity level of 79%, May provides a vibrant atmosphere ripe for outdoor adventures, soaking in the scenic beauty and enjoying the vibrant culture of Zakynthos.
In May, Zakynthos awakens to mild and pleasant temperatures, making it an ideal time for travelers seeking warm escape before the summer heat sets in. With a minimum temperature of 13°C (56°F) and a comfortable average of 19°C (66°F), days are delightful. Temperatures can reach a maximum of 26°C (80°F), inviting visitors to enjoy the island's stunning beaches and lush landscapes. As the island transitions from spring to summer, the warmth gradually increases from the cooler months, creating an inviting atmosphere that's perfect for outdoor activities and exploring the local culture.
In May on the beautiful island of Zakynthos, precipitation remains minimal, with an average of just 16 mm (0.6 in) spread over approximately 4 days. This marks a significant drop from the earlier months, such as January with a hefty 198 mm and February at 92 mm, highlighting the transition towards the drier summer months. As spring gives way to early summer, the decreasing rainfall creates a lovely atmosphere, perfect for enjoying the island's stunning landscapes and vibrant outdoor activities. While the rainfall slightly increases again in June, May stands out as a time when the island basks in pleasant weather, ultimately appealing to both locals and visitors alike.
In May, Zakynthos, Greece experiences a noticeable increase in humidity, reaching 79%, which marks the highest level for the month. This uptick is part of a gentle upward trend from the previous months, where humidity levels hovered around the mid-70s. As spring transitions into early summer, the air becomes more humid, enhancing the lush landscapes and vibrant flora of the island. Following May, humidity begins to decline slightly through the summer months, dropping to 75% in June and further decreasing to 74% in July. This pattern highlights the island's relatively humid climate during the spring, which gives way to slightly drier conditions as tourists flock to enjoy Zakynthos's beautiful beaches and breathtaking scenery.
As we enter May in Zakynthos, Greece, the UV Index reaches an impressive 9, signifying a very high risk of harm from unprotected sun exposure. This marks a continuation of the upward trend seen since April, where the UV Index peaked at 8. With a burn time of just 15 minutes, visitors should be particularly cautious, as the sun's intensity continues to rise into the summer months. The incremental increase from March's UV index of 6 to May’s is a clear indication that summer is just around the corner, making sun protection all the more essential. For detailed information about managing sun exposure throughout the year, check out Zakynthos UV Index.
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May in Zakynthos, Greece, is a true delight, basking in an impressive 400 hours of sunshine. This month marks a notable peak in the upward trend of daylight hours, following the steady increase from 207 hours in January to 348 hours in April. The warm spring sun transitions smoothly into the vibrant summer, with June and July boasting even more remarkable hours, reaching 408 and 420 hours, respectively. Overall, May stands out as a perfect time to enjoy the island's stunning landscapes and soothing Mediterranean vibes, as the sun shines brighter and longer, inviting both relaxation and adventure.
As May rolls in, the likelihood of sunny weather in Zakynthos, Greece, reaches an impressive 72%, marking a delightful uptick from the preceding months. While January starts the year with a modest 34% chance of sunshine, February and March see a gradual climb, with respective figures of 64% and 59%. April maintains a steady 56%, hinting at the approaching warmth. Come May, visitors can confidently anticipate a significant improvement in sunny days, perfectly setting the stage for the summer months ahead. The trend continues to soar, with June, July, and August boasting a remarkable 88% and 97% likelihood of sun, promising sun-soaked adventures for those ready to explore this beautiful island.
As spring blossoms into summer, Zakynthos, Greece experiences a delightful increase in daylight, truly elevating the charm of this stunning island. In May, daylight extends to a warm 14 hours, providing ample opportunity for both relaxation and exploration. This trend of lengthening days begins with January's modest 9 hours and gradually climbs, with April already showing a promising 13 hours. From May onward, daylight remains consistent at its peak through June, July, and a gentle decline begins in August, leading to 13 hours. The gradual tapering continues into autumn, with daylight reducing to 12 hours in September before dwindling back to 10 hours and finally 9 hours by year’s end. With this natural rhythm of daylight, May stands out as a vibrant month where the balance of light beckons travelers to enjoy Zakynthos' breathtaking landscapes.
In May, Zakynthos experiences a gentle caress of breezes, with an average wind speed of 4.9 m/s (11 mph), marking a slight decline from the stronger winds of the earlier months. This tranquil atmosphere is perfect for outdoor activities, as the winds are calm enough to allow sunbathers to enjoy the stunning beaches without interruption. As the island transitions into the summer months, the wind speeds gradually diminish further, peaking in early spring and giving way to a more serene coastal experience. The winds in May create an ideal balance, maintaining the warmth of the Greek sun while offering just enough refreshment, making it a delightful time to explore all that Zakynthos has to offer.
Weather in Zakynthos varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Zakynthos, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present strikingly different weather patterns. In May, temperatures range from a mild 13°C (56°F) to a pleasant 26°C (80°F), with an average of 19°C (66°F). The month sees relatively low precipitation at 16 mm (0.6 in) spread over about 4 days, and humidity is around 79%. In contrast, January is much cooler, with temperatures ranging from 4°C (40°F) to 20°C (68°F) and an average of 13°C (55°F). The month is also significantly wetter, receiving 198 mm (7.8 in) of rainfall over 16 days, accompanied by slightly lower humidity at 76%. For more detailed insights, check out Zakynthos weather in January.
When comparing the weather in May and February, May emerges as a significantly warmer month, with average temperatures ranging from 13°C (56°F) to a pleasant 26°C (80°F), and only 16 mm (0.6 in) of precipitation across just 4 days. In contrast, February experiences much cooler temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 18°C (64°F), with substantial rainfall totaling 92 mm (3.6 in) over 11 days. While humidity is higher in May at 79%, February's humidity sits at a still notable 73%. For more detailed information, you can check out the Zakynthos weather in February.
In comparing the weather of May and March, there is a notable difference in temperature and precipitation. May enjoys a milder climate with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (80°F), averaging around 19°C (66°F), while March is cooler, with temperatures spanning from 6°C (44°F) to 19°C (66°F) and an average of 14°C (57°F). Additionally, May experiences significantly less rainfall, with only 16 mm (0.6 in) over about 4 days, compared to March's 74 mm (2.9 in) of precipitation spread over 11 days. Humidity levels are slightly higher in May at 79%, compared to March's 73%. For detailed information on March weather, you can visit Zakynthos weather in March.
In comparing the weather between April and May, May tends to be warmer and drier. The average temperature in May reaches 19°C (66°F), with a maximum of 26°C (80°F), while April's average is lower at 16°C (61°F) with a peak of 24°C (76°F). Precipitation also decreases in May, with only 16 mm (0.6 in) over 4 days, compared to April's 30 mm (1.2 in) over 5 days. Additionally, May has a slightly higher humidity level at 79%, compared to April's 75%. For more detailed insights into April's climate, check out Zakynthos weather in April.
In comparing the weather between May and June, June tends to be warmer, with average temperatures rising from 19°C (66°F) in May to 22°C (72°F) in June. The maximum temperatures also increase, peaking at 28°C (83°F) in June compared to 26°C (80°F) in May. However, while May has a slightly higher humidity level at 79%, June enjoys a drier feel with humidity at 75%. Interestingly, June sees a bit more rainfall than May, with 22 mm (0.9 in) of precipitation over just 2 days, compared to May's 16 mm (0.6 in) spread over 4 days. For more specifics on June weather, check out Zakynthos weather in June.
In comparing the weather between May and July, May experiences cooler temperatures with a minimum of 13°C (56°F) and an average of 19°C (66°F), reaching a maximum of 26°C (80°F). The month also sees relatively higher humidity at 79% and approximately 16 mm (0.6 in) of precipitation spread over 4 days. In contrast, July brings warmer and more stable weather, with a minimum of 20°C (69°F), an average of 25°C (77°F), and a maximum of 29°C (85°F). This month is drier, only experiencing about 15 mm (0.6 in) of precipitation on just 1 day, and slightly lower humidity at 74%. For more details on weather conditions during this vibrant summer month, visit Zakynthos weather in July.
May and August present notably different weather patterns. In May, temperatures range from a comfortable 13°C (56°F) at night to a pleasant 26°C (80°F) during the day, with an average of 19°C (66°F). The month sees a higher humidity of 79% and some light precipitation, totaling 16 mm (0.6 in) over about four days. In contrast, August offers a warm climate with minimum temperatures of 22°C (72°F) and average highs reaching 30°C (87°F); the average temperature settles around 27°C (80°F). The humidity decreases to 68%, and rainfall is minimal, at just 9 mm (0.3 in) across only one day. For more specific details on summer conditions, check out Zakynthos weather in August.
May tends to be milder, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (80°F), alongside relatively low precipitation of just 16 mm (0.6 in) over approximately 4 days and high humidity at 79%. In contrast, September experiences warmer temperatures, with averages between 18°C (64°F) and 29°C (84°F), and higher precipitation levels reaching 65 mm (2.6 in) over 5 days, though with a more comfortable humidity level of 66%. For more specific insights about weather conditions during this month, you can check Zakynthos weather in September.
In May, the weather is generally mild and pleasant, with temperatures ranging from a minimum of 13°C (56°F) to an average of 19°C (66°F), peaking at 26°C (80°F). The month sees low precipitation of 16 mm (0.6 in) over about 4 days, and humidity at a relatively high 79%. In contrast, October brings slightly warmer temperatures, with a minimum of 16°C (60°F), an average of 21°C (70°F), and a maximum of 27°C (81°F). However, it is significantly wetter, with total precipitation reaching 115 mm (4.5 in) over 8 days, and a decrease in humidity to 69%. For a closer look at weather conditions during this time, check out Zakynthos weather in October.
May and November present distinct weather patterns. In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 26°C (80°F), with an average of 19°C (66°F). The month experiences relatively low precipitation at 16 mm (0.6 in) over only 4 days, along with a high humidity of 79%. In contrast, November sees cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 23°C (75°F), averaging 18°C (65°F). However, November is much wetter, receiving 237 mm (9.3 in) of precipitation over 15 days, while humidity remains lower at 73%. For more specific details about conditions during this latter month, check out this link: Zakynthos weather in November.
In May, Zakynthos enjoys a mild and pleasant climate, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (80°F), averaging around 19°C (66°F). The month sees limited precipitation, averaging just 16 mm (0.6 in) over about 4 days, while humidity levels are relatively high at 79%. In contrast, December brings cooler temperatures, with a minimum of 8°C (48°F) and a maximum of 20°C (67°F), resulting in an average of 15°C (59°F). December is significantly wetter, with 203 mm (8.0 in) of rainfall spread over 18 days, and a slightly lower humidity of 75%. For more details on December weather, you can visit Zakynthos weather in December.
As May ushers in the delightful warmth of spring in Zakynthos, you can expect a noticeable shift from the cooler months preceding it. With average temperatures reaching a comfortable 19°C (66°F) and highs soaring to 26°C (80°F), this month offers an inviting escape for sun-seekers. While humidity remains relatively high at 79%, the occasional rainfall—averaging just 16 mm over about four days—is a refreshing contrast to the often sweltering summer months ahead. Therefore, if you're planning a visit to this stunning island, May presents a perfect balance of pleasant weather and fewer crowds, making it an ideal time to explore its beautiful landscapes. For more detailed insights, check out the full Zakynthos Climate.