Last updated: August 21, 2025
Experience the charming weather of Spetses, Greece, in May, where the beauty of spring unfolds. With maximum temperatures reaching 26°C (79°F) and an average temperature of 20°C (68°F), days are pleasantly warm, perfect for outdoor activities. Evenings cool down to a comfortable 14°C (58°F), inviting cozy gatherings. Expect minimal precipitation, with just 11 mm (0.4 in) occurring over a single day, allowing ample sunshine for exploration. Humidity levels hover around 77%, adding a refreshing touch to the warm Mediterranean air. May in Spetses is a delightful blend of sun and mild weather, ideal for enjoying the island's stunning landscapes and rich culture.
In May, Spetses, Greece, begins to shed the cooler embrace of spring, welcoming warmer temperatures that hint at the approaching summer. With a minimum of 14°C (58°F) and a maximum reaching 26°C (79°F), the island enjoys an average temperature of 20°C (68°F), creating idyllic conditions for outdoor exploration. This increase from the previous months marks a clear shift, as the days lengthen and the sun shines brighter. As the temperatures rise, visitors can expect plenty of opportunities to bask in the sun, enjoy the vibrant flora, and take advantage of the island’s stunning beaches, making May an enchanting time to experience Spetses.
In May, Spetses, Greece, experiences a notable drop in precipitation, with only 11 mm (0.4 in) of rain recorded over just one day. This marks a significant decrease compared to the earlier months of the year, where rainfall was more frequent and substantial, peaking in January and February at 53 mm (2.1 in) and 55 mm (2.1 in) respectively. As spring transitions into summer, May’s warm and drier climate becomes apparent, foreshadowing the upcoming dry months of June and July. With average rainfall tapering off, May is often characterized by clearer skies and more sunshine, making it an ideal time for outdoor activities and enjoying the lush beauty of the island before the heat of summer fully sets in.
As spring unfolds in Spetses, Greece, May welcomes a slight rise in humidity, reaching 77%. This change reflects a gradual transition from the cooler, more humid months of winter, such as January and February, which hover around 76% and 75% respectively. As the warmer months approach, later values drop to a comfortable 71% in June and continue to decline through the peak summer, suggesting that May strikes a sweet balance before the heat of summer sets in. The steady humidity throughout the earlier months, peaking in May, enhances the lushness of the island's landscape, making it a delightful time for visitors to experience the natural beauty of Spetses.
As May rolls into Spetses, Greece, residents and visitors alike should brace for a dramatic rise in UV exposure, with the UV Index peaking at 10—this categorizes the sun's rays as very high, necessitating caution on sunny days. With a burn time of just 15 minutes, it’s crucial to slip on sunscreen, sunglasses, and hats to protect against potential harm. This upward trend in UV Index from the earlier months serves as a reminder of the island's intense Mediterranean sun, where even April's 8 quickly escalates. As summer approaches, maintaining vigilance against UV exposure becomes increasingly essential. For the most accurate and up-to-date information, check out the Spetses UV Index.
UV Risk Categories
May in Spetses, Greece, is a sun-drenched paradise where daylight reaches its peak with 400 hours of glorious sunshine. This marks a delightful transition from the blossoming warmth of spring, seen in April with 347 hours, to the sun-soaked months of summer. Remarkably, May sets the stage for an even brighter June, which boasts 410 hours of radiant light. As the days grow longer, the enchanting landscapes of Spetses come alive, inviting visitors to bask in the sun, revel in the island's charm, and immerse themselves in its vibrant atmosphere. The trend is clear: as spring fades into summer, each month is a celebration of increasing sunshine, making Spetses an ideal destination for those seeking warmth and beauty.
As spring blooms and transitions into early summer, May in Spetses, Greece, offers a delightful increase in sunny weather, boasting a 75% chance of sunshine. This marks a significant rise from the preceding months, such as April with a 57% likelihood and March at 61%. The trend clearly illustrates that as the year progresses, the sun becomes more generous, leading into the sun-drenched glory of June and July, which enjoy an impressive 79% and 96% chance of clear skies, respectively. May, therefore, serves as a lovely bridge into the season of warmth and brightness, making it an ideal time for outdoor adventures and leisurely strolls along the beautiful coastline.
As the charming island of Spetses, Greece transitions from winter to spring, daylight hours steadily increase, creating a vibrant atmosphere that beckons visitors to explore its beauty. In January, daylight lasts for about 9 hours, gradually lengthening to 10 hours in February and reaching an inviting 11 hours by March. As April arrives, the days grow even longer, boasting 13 hours of sunshine, a prelude to May when the island basks in 14 hours of glorious daylight. This generous sunlight persists into June and July, maintaining a dazzling 14 hours, ideal for beach outings and leisurely strolls. As the summer wanes, daylight begins to retreat slightly, with 13 hours in August, followed by 12 hours in September, then down to 11 hours in October and 10 hours in November. By December, the cycle returns, reclaiming the shorter days of 9 hours, yet the enduring charm of Spetses ensures there’s always a reason to visit, regardless of the season.
In May, Spetses enjoys a gentle lull in the wind, with an average speed of 3.5 m/s (8 mph), signaling the onset of summer's calm embrace. This month marks a noticeable decline from the brisker breezes of the earlier spring months, which saw wind speeds ranging from 4.5 m/s to 4.9 m/s. As the island transitions into the warmer season, the winds ease, creating a tranquil atmosphere perfect for leisurely strolls along the picturesque waterfront or inviting beach days. Following May, the winds dip slightly again in June, but gradually return to a refreshing pace in July and September, reminding us of the island's dynamic seasonal rhythm.
Weather in Spetses varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Spetses, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather is significantly warmer with average temperatures ranging from a mild 14°C (58°F) at night to a pleasant 26°C (79°F) during the day, combined with low precipitation of just 11 mm (0.4 in) over only one day. In contrast, January presents a cooler climate, with average temperatures between 3°C (38°F) and 21°C (69°F), and a higher precipitation level of 53 mm (2.1 in) spread over eight days. Both months exhibit high humidity, with May at 77% and January slightly lower at 76%, making the overall feel of humid winter and spring distinctly different. For a closer look at January conditions, visit Spetses weather in January.
May and February present contrasting weather patterns, with May ushering in warmer temperatures and significantly less precipitation. In May, temperatures range from a pleasant 14°C (58°F) at night to a maximum of 26°C (79°F) during the day, accompanied by only 11 mm (0.4 in) of rain across just one day, resulting in a humidity level of 77%. In stark contrast, February experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 18°C (64°F), while also seeing considerably more precipitation, with 55 mm (2.1 in) spread over seven days and a humidity of 75%. For more details on February weather, check out Spetses weather in February.
When comparing the weather in May and March, it's clear that May is significantly warmer and drier. In May, temperatures range from a comfortable minimum of 14°C (58°F) to a pleasant maximum of 26°C (79°F), while March experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of only 19°C (66°F). May also sees far less precipitation, averaging just 11 mm (0.4 in) over only one day, compared to March's 35 mm (1.4 in) across four days. Additionally, humidity levels are slightly higher in May at 77%, compared to March's 74%. For more detailed insights into March weather, you can visit Spetses weather in March.
In comparing the weather between April and May, May enjoys a noticeable increase in temperatures, with minimums around 14°C (58°F) and maximums reaching 26°C (79°F), compared to April's lower range of 9°C (49°F) to 22°C (72°F). Additionally, May experiences significantly less precipitation, with only 11 mm (0.4 in) recorded over just one day, while April sees a total of 25 mm (1.0 in) spread over four days. Humidity levels remain fairly close, with May at 77% and April slightly lower at 75%. For more details on April's weather, you can check Spetses weather in April.
In comparing the weather of May and June, we see a noticeable shift in temperatures. May features a minimum temperature of 14°C (58°F) and averages around 20°C (68°F), with highs peaking at 26°C (79°F). This month also experiences relatively high humidity at 77%, although it only sees precipitation on one day, totaling 11 mm (0.4 in). In contrast, June brings warmer conditions, with a minimum temperature of 18°C (65°F) and an average of 24°C (75°F), reaching a maximum of 29°C (85°F). Rainfall decreases slightly to 9 mm (0.3 in), spread across two days, and humidity drops to a more comfortable 71%. For more detailed insights, check out Spetses weather in June.
In May, the weather is mild with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (79°F), averaging around 20°C (68°F). The month sees a fair amount of humidity at 77% and experiences some precipitation, totaling 11 mm (0.4 in) over one day. In contrast, July brings significantly warmer temperatures, with a minimum of 22°C (72°F) and a maximum soaring to 33°C (92°F), averaging 27°C (80°F). This month is notably drier, featuring only 2 mm (0.1 in) of precipitation over the course of zero days and a lower humidity level of 68%. For more specifics on July weather, you can refer to Spetses weather in July.
In May, the weather is pleasantly mild, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (79°F). This month typically sees about 11 mm (0.4 in) of precipitation, spread over just one day, and a relatively high humidity level of 77%. In contrast, August is significantly warmer, featuring average temperatures between a minimum of 23°C (73°F) and a maximum of 34°C (93°F). Precipitation decreases to only 6 mm (0.2 in) over the course of one day, and humidity drops to a more comfortable 63%. For more details about August weather in Spetses, you can check Spetses weather in August.
In May, the weather is pleasantly mild with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (79°F), and an average temperature of 20°C (68°F). This month typically experiences low rainfall, with only 11 mm (0.4 in) over just one day and relatively high humidity at 77%. In contrast, September sees warmer conditions, featuring a minimum temperature of 18°C (64°F) and a high of 31°C (88°F), with an average temperature of 25°C (77°F). However, this month also brings more precipitation at 32 mm (1.2 in) over two days, accompanied by a lower humidity level of 65%. For a detailed look at the weather in September, you can visit Spetses weather in September.
May and October both feature mild temperatures, but there are some distinct differences in their weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 26°C (79°F), with an average of 20°C (68°F) and relatively low precipitation at just 11 mm (0.4 in) over about 1 day, coupled with a higher humidity of 77%. In contrast, October sees 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 experiences increased rainfall, totaling 28 mm (1.1 in) over approximately 3 days, while humidity drops to 72%. For more details about the October climate, you can check Spetses weather in October.
In comparing the weather conditions in May and November, May tends to be warmer with an average temperature of 20°C (68°F), reaching a maximum of 26°C (79°F). It also experiences significantly less precipitation, with only 11 mm (0.4 in) over just one day, accompanied by a relatively high humidity of 77%. In contrast, November sees cooler temperatures, averaging 18°C (64°F) and peaking at 24°C (75°F), but it is notably wetter, with precipitation totaling 55 mm (2.1 in) over about eight days, and humidity slightly lower at 75%. For more details on the weather during this month, you can check Spetses weather in November.
In May, the weather is generally warmer and more pleasant, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 26°C (79°F) and an average of 20°C (68°F). With only 11 mm (0.4 in) of precipitation spread over just 1 day, May enjoys comparatively low humidity at 77%. In contrast, December brings cooler temperatures, with a minimum of 8°C (46°F), an average of 14°C (58°F), and a maximum of 20°C (68°F). The month is much wetter, experiencing 55 mm (2.2 in) of rain over 9 days, while humidity is slightly lower at 76%. For more detailed information on weather conditions during December, you can visit Spetses weather in December.
As spring transitions into summer, May in Spetses offers a delightful blend of warmth and mildness, setting it apart from the cooler months. With maximum temperatures reaching 26°C, the island basks in the pleasant sun, inviting outdoor exploration and beach activities. The average temperature of 20°C makes it comfortable for visitors, while only a sprinkle of 11mm of precipitation over a single day ensures that rain rarely interrupts your plans. The increased humidity of 77% adds to the lush atmosphere but remains manageable, contributing to the vibrant beauty of the island. For those eager to understand more about Spetses's distinctive weather patterns and what to expect throughout the year, visit Spetses Climate.