Last updated: March 24, 2025
May in Porto Ercole, Italy offers a delightful blend of mild temperatures and refreshing coastal breezes. With maximum temperatures reaching up to 27°C (81°F) and an average of 18°C (64°F), visitors can relish pleasant days ideal for outdoor activities. Nighttime brings cooler temperatures, dropping to a comfortable 9°C (49°F). Although May experiences around 53 mm (2.1 in) of rainfall over 10 days, the humidity levels hover around 69%, adding a touch of Mediterranean charm to the air. Whether exploring the picturesque surroundings or soaking in the vibrant local culture, May is a beautiful time to experience Porto Ercole.
In Porto Ercole, Italy, May marks a delightful transition into warmer weather as temperatures rise significantly. With a minimum of 9°C (49°F) and a pleasant average of 18°C (64°F), the region begins to embrace the warmth of early summer. The maximum temperature can reach up to 27°C (81°F), inviting visitors to enjoy outdoor activities and the stunning coastal scenery. This month's climate stands in stark contrast to the cooler earlier months of the year, indicating a clear upward trend in temperatures as spring approaches its peak. As daylight lingers longer, the mild evenings further enhance the charm of this picturesque Italian location, making May an ideal time for exploration and relaxation.
In May, Porto Ercole experiences a slight decrease in precipitation, receiving 53 mm (2.1 in) over 10 days, making it one of the milder months for rainfall. This trend follows April's 56 mm (2.2 in), hinting at the transition into the drier summer season ahead. As spring continues to bloom, the rainfall in May marks a shift from the heavier downpours seen in late autumn and winter. Notably, the frequency of rainy days increases slightly this month, suggesting that while the total precipitation is lower, the landscape still quenches its thirst with more frequent, lighter showers. With June just around the corner, Porto Ercole braces for even less rainfall, hinting at the warm, sun-soaked days that characterize the arrival of summer.
In May, Porto Ercole experiences a comfortable humidity level of 69%, which marks a slight increase from the previous month while still remaining lower than the preceding winter months. This level of humidity reflects the transition from spring to early summer, creating an inviting atmosphere for both locals and visitors alike. As temperatures rise, the humidity begins to decline into the summer, with June and July seeing even drier conditions. Overall, May serves as a pleasant interlude before the heat of summer truly sets in, striking a balance that enhances the charm of this picturesque Italian coastal town.
As May unfolds in Porto Ercole, Italy, the UV Index reaches a remarkable 8, categorizing it as very high—a significant leap from the moderate levels seen earlier in the year. This sharp increase means that sun exposure can be perilous, with a mere 15 minutes leading to potential skin damage. Following the patterns of the preceding months, where January started at a comfortable UV Index of 2, it’s clear that as summer approaches, protective measures become increasingly essential. By June, conditions intensify even further with a UV Index peaking at 10, emphasizing the need for vigilance. For those planning outdoor activities, understanding these trends is crucial for a safe yet enjoyable experience under the sun. For more detailed insights, visit Porto Ercole UV Index.
UV Risk Categories
May is a delightful month in Porto Ercole, Italy, boasting 401 hours of sunshine—the perfect harbinger of summer’s approach. This sunny month showcases a remarkable increase from the previous months, building on the steady rise that begins in January and peaks as summer nears. A gradual ascent, starting from a mere 201 hours in January, ushers in April with 355 hours of warmth, each month a precursor to the golden days of June and July. With sunshine hours continuing to climb to a sizzling 433 hours in July, May captures the essence of vitality, promising vibrant days and inviting evenings. As summer unfolds, the allure of Porto Ercole becomes unmistakably evident, making May an ideal time for visitors to bask in the sun-soaked charm of this beautiful coastal gem.
In Porto Ercole, Italy, May brings a promising 50% chance of sunny weather, marking a shift from the varying sunshine of earlier months. Following a peak in March with 65%, April dips slightly but maintains a favorable climate. As we transition into summer, the likelihood of sunny days increases significantly, with June and July boasting 60% and 70% chances respectively. This trend showcases a gradual buildup of warmth and brightness, making May an appealing time to enjoy the beauty of the Tuscan coast before the summer crowds arrive. Whether you’re exploring the charming streets or relaxing by the sea, May offers a delightful balance of sun and pleasant temperatures.
In Porto Ercole, Italy, the progression of daylight throughout the year unveils a captivating rhythm of nature. Kicking off in January with 9 hours of daylight, the days gradually lengthen, reaching 10 hours in February and 11 hours in March. April brings a noticeable boost, as daylight peaks to 13 hours. May shines brightly with 14 hours, heralding the arrival of summer's embrace. The longest days of the year occur in June, offering a generous 15 hours of sunlight. As summer rolls on, daylight begins to wane, with July and August providing 14 and 13 hours, respectively, before drifting back to 12 hours in September. The decline continues into October at 11 hours, while November and December settle back to 9 hours, wrapping up the annual cycle. This rhythmic dance of daylight not only enriches the Italian landscape but also enhances the vibrant atmosphere of Porto Ercole, making each season distinct and inviting.
In May, Porto Ercole experiences a gentle breath of wind, with an average speed of 4.0 m/s (9 mph), reminiscent of the tranquil atmosphere that begins to envelop the coastal town as summer approaches. This is a slight decline from the previous months, as April boasted similar conditions but with a hint more vigor at 4.3 m/s (10 mph). As the year progresses, the winds typically soften, reaching their lowest point in June at 2.9 m/s (6 mph). The gentle winds of May, combined with the blossoming spring scenery, create an inviting environment for outdoor strolls along the picturesque waterfront, making it an ideal time to revel in the serene charm of this Italian gem before the summer heat sets in.
The weather in Porto Ercole changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Porto Ercole and find detailed weather information for every month.
In May, temperatures in Porto Ercole range from a minimum of 9°C (49°F) to a comfortable average of 18°C (64°F), reaching a pleasant maximum of 27°C (81°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 10 days, with humidity averaging around 69%. In contrast, January offers cooler conditions, with temperatures varying from a chilly 0°C (32°F) to a mild average of 10°C (50°F), peaking at 17°C (63°F). This winter month sees slightly higher precipitation levels of 64 mm (2.5 in) over 7 days and a higher humidity of 84%. For more detailed information, you can check Porto Ercole weather in January.
The weather in May is generally milder and more pleasant compared to February, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 27°C (81°F) and an average of 18°C (64°F). In contrast, February experiences colder temperatures, with a minimum of -2°C (29°F), an average of 11°C (52°F), and a maximum reaching 17°C (64°F). While May has less precipitation at 53 mm (2.1 in) over 10 days, February sees slightly more precipitation at 66 mm (2.6 in) across 8 days, although it comes with higher humidity levels of 76% compared to May's 69%. For a deeper look into February's weather specifics, check out Porto Ercole weather in February.
When comparing the weather in March and May, it's evident that May brings milder temperatures, with a minimum of 9°C (49°F) and an average of 18°C (64°F), while March starts significantly cooler, with a minimum of -1°C (31°F) and an average of 12°C (53°F). Maximum temperatures in May can reach up to 27°C (81°F), making it considerably warmer than March's peak of 20°C (67°F). Precipitation is slightly lower in May, totaling 53 mm (2.1 in) over 10 days, compared to 62 mm (2.4 in) in March over 8 days. Both months have similar humidity levels, with March at 68% and May at 69%. For those interested in a detailed look at March weather specifically, you can visit Porto Ercole weather in March.
In comparing the weather of May and April, May presents warmer conditions with average temperatures reaching 18°C (64°F) compared to April's 14°C (57°F). The daytime highs in May also rise significantly to 27°C (81°F) versus April's maximum of 22°C (72°F). However, while May experiences slightly less precipitation at 53 mm (2.1 in) over 10 days, April's rainfall is marginally higher at 56 mm (2.2 in) over just 7 days. Humidity levels are similar, with May at 69% and April at 70%. For a more detailed look at April's weather, check out Porto Ercole weather in April.
In May, temperatures range from a cool 9°C (49°F) at night to a pleasant 27°C (81°F) during the day, with an average of 18°C (64°F). The month experiences a relatively high level of precipitation, totaling 53 mm (2.1 in) over about 10 days, combined with a humidity level of 69%. In contrast, June boasts warmer temperatures, with nighttime lows of 15°C (59°F), daytime highs reaching 31°C (88°F), and an average temperature of 22°C (72°F). June is significantly drier, with only 17 mm (0.7 in) of rain over just 3 days and lower humidity at 62%. For more detailed insights, check out Porto Ercole weather in June.
In May, the weather begins to warm up with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 27°C (81°F), averaging around 18°C (64°F). This month experiences moderate precipitation, with about 53 mm (2.1 in) over approximately 10 days and a humidity level of 69%. In contrast, July boasts warmer temperatures, starting at a minimum of 18°C (65°F) and reaching highs of 30°C (86°F), with an average of 25°C (77°F). This month is significantly drier, with only 18 mm (0.7 in) of rainfall across just 2 days, and the humidity drops to a comfortable 57%. For more insights into July weather specifics, check out Porto Ercole weather in July.
May and August exhibit contrasting weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a cooler 9°C (49°F) at night to a pleasant average of 18°C (64°F) and can peak at 27°C (81°F). This month also sees significant rainfall, with 53 mm (2.1 in) spread over about 10 days and a higher humidity level of 69%. In contrast, August offers a warmer climate, with nighttime lows averaging 19°C (66°F) and daytime highs reaching up to 31°C (88°F). This month is noticeably drier, experiencing only 14 mm (0.5 in) of precipitation over just 3 days, and it enjoys a lower humidity level of 55%. For more details, you can check Porto Ercole weather in August.
May and September offer distinct weather experiences, showcasing the transition from spring to autumn. In May, temperatures range from a cooler 9°C (49°F) at night to a pleasant average of 18°C (64°F) during the day, peaking at 27°C (81°F). However, the month sees about 53 mm (2.1 in) of precipitation over ten days, with humidity levels around 69%. In contrast, September features a warmer climate, with minimum temperatures starting at 14°C (57°F) and averaging 22°C (72°F), reaching highs of 29°C (84°F). While slightly wetter with 63 mm (2.5 in) of rain over seven days, September's humidity is slightly lower at 66%. For those interested in the specifics of September weather, you can find more information here: Porto Ercole weather in September.
May and October both feature mild average temperatures, but they exhibit distinct climatic differences. In May, temperatures range from a minimum of 9°C (49°F) to a maximum of 27°C (81°F), with an average of 18°C (64°F) and a moderate humidity level of 69%. Precipitation is relatively low at 53 mm (2.1 in) across about 10 days. In contrast, October experiences slightly warmer minimum temperatures starting at 12°C (54°F) and a maximum of 25°C (77°F), maintaining the same average of 18°C (65°F) but with higher humidity at 79%. Additionally, rainfall is more significant in October, totaling 103 mm (4.1 in) over 9 days. For a more detailed look at October weather, you can check Porto Ercole weather in October.
May and November present contrasting weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a minimum of 9°C (49°F) to a pleasant average of 18°C (64°F), reaching a maximum of 27°C (81°F) on warmer days. This month sees relatively low precipitation at 53 mm (2.1 in) over about 10 days, accompanied by a humidity level of 69%. In contrast, November experiences cooler temperatures, with a minimum of 7°C (45°F) and an average of 15°C (59°F), peaking at 21°C (70°F). However, it is significantly wetter, with rainfall totaling 180 mm (7.1 in) across 17 days and higher humidity at 84%. For more detailed information about weather conditions in November, you can refer to Porto Ercole weather in November.
May and December present contrasting weather patterns. May typically enjoys milder temperatures with a minimum of 9°C (49°F) and an average high of 27°C (81°F), while December's temperatures are cooler, ranging from a low of 5°C (41°F) to a maximum of 17°C (63°F). Additionally, May experiences less rainfall at 53 mm (2.1 in) over about 10 days, compared to December's more substantial precipitation of 117 mm (4.6 in) spread over 12 days. The humidity also increases in December, reaching 83%, compared to May's 69%. For a closer look at December's weather specifics, check out Porto Ercole weather in December.
As May unfolds in Porto Ercole, the weather marks a delightful transition from spring to early summer. With average temperatures rising, you can expect warmer days, peaking around 27°C (81°F), creating a perfect backdrop for outdoor activities. While the overall climate is relatively mild, the 69% humidity adds a touch of Mediterranean warmth, making the sea inviting for swim enthusiasts. However, don't forget to pack an umbrella, as May often experiences about 10 days of rain totaling 53 mm (2.1 in), making it one of the wetter months compared to the drier summer months ahead. For those looking to understand more about the weather patterns and how they shape the charm of this coastal paradise, check out the detailed insights on Porto Ercole Climate.