Last updated: August 21, 2025
Experience the enchanting May weather of Ermioni, Greece, where the sun graces the skies with a maximum temperature of 31°C (87°F). The climate is pleasantly mild, featuring an average temperature of 20°C (68°F) and a refreshing minimum of 12°C (54°F). While the month enjoys ample sunshine, it also accommodates a bit of moisture, with 16 mm (0.6 in) of precipitation across just 3 days. With humidity levels at a comfortable 77%, May in Ermioni offers the perfect blend of warmth and refreshment, making it an ideal time to explore this picturesque destination.
In May, Ermioni, Greece, begins to reveal the warmth of spring, with temperatures showing a significant rise compared to the earlier months. The minimum temperature climbs to a pleasant 12°C (54°F), while the average reaches a comfortable 20°C (68°F), creating a perfect backdrop for outdoor exploration. As the month progresses, highs can soar to a delightful 31°C (87°F), hinting at the approaching summer. This trend showcases a notable transition from the cooler early months of the year, inviting visitors to enjoy the sun-drenched landscapes and vibrant local culture in this charming coastal town.
May marks a delightful transition in Ermioni, Greece, as precipitation significantly dwindles to 16 mm (0.6 in), accompanied by just 3 rainy days. This reduction in rain is part of a broader trend leading into the drier summer months, with April's showers tapering off and setting the stage for sunnier skies. As spring gives way to early summer, the climate becomes increasingly inviting, making May an ideal time for visitors to enjoy the region's stunning landscapes and warm temperatures, free from the interruptions of frequent rainfall. The clear shift from earlier months, where precipitation was twice as high, beautifully reflects the region's shift towards the sun-drenched days of summer.
In May, Ermioni, Greece, experiences a slight uptick in humidity, reaching 77%—an increase from the previous months that typically hover in the mid-seventies. This rise signifies the transition towards the warmer summer months, as humidity levels generally dip in June, marking a trend of decreasing moisture through the hotter summer period. Overall, while May shows a higher level of humidity compared to the preceding spring months, it also indicates the beginning of a seasonal shift, where the lush coastal environment exudes a vibrant yet humid charm, perfect for outdoor exploration before the summer heat fully sets in.
As May arrives in Ermioni, Greece, the UV Index soars to 10, marking a shift into very high exposure levels, with a burn time of just 15 minutes. This trend of increased UV intensity continues into the summer months, particularly in June, July, and August, where the index remains at a consistent 10. This highlights the need for sun protection during these peak months, especially as the weather warms. Interestingly, after May, there is a gradual decline in UV exposure, with September showing a slight drop to 8. For more insights on UV levels throughout the year in this picturesque location, check out Ermioni UV Index. Staying informed about these changes will help you enjoy the Greek sun safely!
UV Risk Categories
In Ermioni, Greece, May ushers in a radiant transformation, boasting 399 hours of sunshine that sets the stage for the warm summer months ahead. This month marks a significant increase from the 345 hours recorded in April, reflecting a delightful trend of lengthening days and blossoming landscapes. The sunshine continues to intensify as the year progresses, peaking in July with 421 hours, making May a perfect prelude to the sunny splendor of summer. With a steady ascent from winter's 210 hours in January to the vibrant sunshine of May, visitors can revel in the vibrant Mediterranean ambiance that adorns this charming seaside town.
As May arrives in Ermioni, Greece, the likelihood of basking in sunny weather significantly increases, reaching an impressive 72% chance of sunshine. This marks a delightful transition from the cooler, cloudier months of early spring, where sunshine probabilities hover around the mid-50s. With summer just around the corner, June promises even more sunshine at 76%, setting the stage for the sun-soaked days of July and August, which boast probabilities soaring to 94% and 96%, respectively. Thus, May serves as a perfect bridge into the glorious Mediterranean summer, offering ample opportunity to enjoy the beautiful outdoors under a radiant sun.
As spring unfolds into May, Ermioni, Greece basks in the increasing warmth of longer daylight hours, reaching an impressive 14 hours of sunshine. This delightful month marks the peak of spring's transition into summer, showcasing a steady rise in daylight from January's brief 9 hours to April's 13 hours. Following May, both June and July maintain this radiant 14-hour glow, creating an ideal backdrop for outdoor activities and exploration. As summer begins to wane in August, daylight begins to taper off slightly, heralding the approach of autumn. This remarkable pattern reflects the Mediterranean's rich seasonal rhythm, offering residents and visitors alike a vibrant tapestry of light throughout the year.
In Ermioni, Greece, May brings a gentle, inviting breeze with an average wind speed of 2.2 m/s (5 mph), making it one of the calmer months of the year. Following a slightly breezier April, which averaged 2.4 m/s (5 mph), May marks a transition into the summer season, where winds tend to soften. This is in contrast to the lively gales of October, which boast higher speeds at 3.3 m/s (7 mph). As summer approaches, the wind typically calms further in June, dropping to 1.9 m/s (4 mph), setting the stage for warm, tranquil days ahead. Overall, May in Ermioni is characterized by a mild and pleasant atmosphere, perfect for leisure activities by the sea.
Weather in Ermioni varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ermioni, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, a distinct contrast emerges. May typically features warmer temperatures, with averages around 20°C (68°F) and a maximum reaching 31°C (87°F), while January is much cooler, averaging only 11°C (52°F) and peaking at 21°C (70°F). In terms of precipitation, May is relatively dry, receiving just 16 mm (0.6 in) over 3 days, compared to January, which experiences significantly more rain at 46 mm (1.8 in) over 8 days. Humidity remains fairly consistent, with May at 77% and January slightly lower at 76%. For more detailed information, refer to Ermioni weather in January.
In comparing the weather in May and February, May offers a significantly warmer experience, with average temperatures reaching 20°C (68°F) and maximums soaring to 31°C (87°F). In contrast, February has cooler temperatures, averaging around 12°C (54°F) with maximums of 19°C (66°F). Additionally, February sees more rainfall, totaling 45 mm (1.8 in) over 6 days, compared to May's milder precipitation of 16 mm (0.6 in) spread across just 3 days. Humidity levels are quite similar, with February at 75% and May slightly higher at 77%. For more detailed weather insights, check Ermioni weather in February.
In comparing the weather of May and March, May is noticeably warmer, with average temperatures soaring to 20°C (68°F) compared to March's cooler 13°C (55°F). The maximum temperature in May reaches up to 31°C (87°F), while March peaks at a milder 22°C (72°F). Additionally, May experiences much less precipitation, with only 16 mm (0.6 in) over three days, in contrast to March's 33 mm (1.3 in) spread over four days. Humidity levels are fairly similar, with May at 77% and March slightly lower at 74%. For a more detailed look at March weather, you can visit Ermioni weather in March.
In comparing the weather of May and April, May tends to be warmer and drier. The average temperature in May reaches 20°C (68°F) with a maximum of 31°C (87°F), while April's average is cooler at 15°C (60°F) and peaks at 25°C (77°F). Additionally, May experiences less precipitation with only 16 mm over 3 days, compared to April's 30 mm over 5 days. Humidity levels are slightly higher in May at 77%, compared to April's 75%. For a closer look at April's conditions, you can visit Ermioni weather in April.
In May, the weather in Ermioni features a comfortable average temperature of 20°C (68°F), with minimums around 12°C (54°F) and maximums peaking at 31°C (87°F). The month experiences mild precipitation of 16 mm (0.6 in) over just three days, accompanied by a relatively high humidity of 77%.
By June, temperatures rise significantly, with averages reaching 24°C (76°F) and maximums soaring to 36°C (96°F), while minimums settle at 15°C (59°F). Precipitation increases slightly to 21 mm (0.8 in) spread over four days, but humidity drops to a more comfortable 71%. For a detailed look at the weather, you can visit Ermioni weather in June.
In May, the weather is generally mild, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 31°C (87°F), and an average of 20°C (68°F). This month experiences around 16 mm (0.6 in) of precipitation over three days, along with relatively high humidity at 77%. In contrast, July sees a significant increase in temperature, with numbers ranging from a minimum of 21°C (70°F) to a maximum of 39°C (103°F) and an average temperature of 28°C (82°F). The precipitation decreases to just 8 mm (0.3 in) over two days, and humidity levels drop to 68%. This comparison highlights the warm and dry characteristics of July, making it a much hotter month than May. For more detailed information, you can check Ermioni weather in July.
In comparing the weather between May and August, it's apparent that August offers significantly warmer temperatures, with average highs reaching up to 38°C (101°F), compared to May's maximum of 31°C (87°F). Humidity levels also differ, as May experiences a higher humidity of 77%, while August is noticeably drier at 63%. Additionally, May has more precipitation, with 16 mm (0.6 in) over three days, whereas August sees only 9 mm (0.3 in) over just a single day. For more detailed insights about the weather in August, you can check this link: Ermioni weather in August.
May and September present contrasting weather patterns, characterized by their respective temperature ranges and humidity levels. In May, temperatures start from a minimum of 12°C (54°F) and can peak at 31°C (87°F), with an average of 20°C (68°F). The month has relatively low precipitation, totaling only 16 mm (0.6 in) over three days, accompanied by higher humidity at 77%. On the other hand, September enjoys warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 34°C (93°F), averaging 25°C (77°F). However, this month sees increased precipitation of 36 mm (1.4 in), also over three days, but with a more comfortable humidity level of 65%. For more detailed information, you can check Ermioni weather in September.
In May, the weather tends to be pleasantly warm, with temperatures ranging from a low of 12°C (54°F) to a comfortable average of 20°C (68°F), peaking at a maximum of 31°C (87°F). The month sees a modest amount of precipitation, totaling 16 mm (0.6 in) over about 3 days, and humidity levels hover around 77%. In contrast, October offers slightly cooler temperatures, with minimums at 13°C (56°F) and an average of 21°C (69°F), while the maximum sits at 30°C (86°F). However, October experiences increased rainfall, averaging 30 mm (1.2 in) over 4 days, and a slightly lower humidity of 72%. For more detailed information, check out Ermioni weather in October.
May typically brings warmer temperatures compared to November, with average highs reaching 31°C (87°F) and lows around 12°C (54°F). In contrast, November's temperatures are milder, averaging a maximum of 24°C (76°F) and a minimum of 10°C (51°F). Additionally, May experiences significantly less precipitation, averaging only 16 mm (0.6 in) over about 3 days, while November sees increased rainfall at 45 mm (1.8 in) across 7 days. The humidity levels in both months are relatively similar, with May at 77% and November at 75%. For more details on November's weather, you can check Ermioni weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a pleasant minimum of 12°C (54°F) to a warm maximum of 31°C (87°F), with an average of 20°C (68°F). The month experiences light rainfall, totaling only 16 mm (0.6 in) over about 3 days, and a relatively high humidity of 77%. In contrast, December brings cooler temperatures, with lows of 6°C (43°F) and highs reaching 20°C (69°F), averaging around 13°C (56°F). Precipitation increases significantly in December, amounting to 49 mm (1.9 in) over 8 days, while the humidity remains comparably high at 76%. For more details, you can check out Ermioni weather in December.
As May unfolds in Ermioni, the weather transitions beautifully, offering a delightful blend of warmth and mildness. With daytime temperatures reaching up to 31°C (87°F), this month marks a gradual shift toward the summer heat, making it a perfect period for outdoor activities. Unlike the colder months, May enjoys a comfortable average of 20°C (68°F) at night, ensuring pleasant evenings, while rain is minimal, with only about 16 mm of precipitation spread over just three days. The humidity level at 77% adds a touch of tropical feel without the extreme discomfort seen in the peak summer months. Whether you’re exploring the picturesque coastline or enjoying local events, May is a splendid time to experience Ermioni's beauty. For more insights on the climate throughout the year, check out Ermioni Climate.