May Weather in Stromboli, Italy

Last updated: March 24, 2025

In May, Stromboli experiences pleasantly warm temperatures, with a maximum of 25°C (78°F) and an average of 19°C (66°F). The month begins to open up the beauty of spring, although evenings can be cooler, dipping to around 14°C (57°F). Rainfall is moderate, with approximately 18 mm (0.7 in) over about 4 days, contributing to the lush landscape that characterizes this volcanic island. Humidity levels hover around 72%, creating a charming yet refreshing atmosphere that sets the stage for outdoor adventures and scenic explorations.

May Temperature in Stromboli

In May, Stromboli, Italy begins to bask in the warmth of spring, with temperatures reflecting a delightful transition. The minimum temperature rises to a comfortable 14°C (57°F), making early mornings pleasant, while the average climbs to 19°C (66°F), inviting outdoor adventures. With maximum temperatures peaking at a sunny 25°C (78°F), it's the perfect time to explore the island's stunning landscapes and vibrant flora. As the month progresses, the warmer days hint at the approaching summer, establishing May as a wonderful balance of mildness and warmth—an ideal backdrop for both relaxation and exploration.

May Weather in Stromboli: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Stromboli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555656606673798176706459
Data source: Temperature data for Stromboli generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Stromboli

In May, Stromboli experiences a noticeable shift in precipitation, recording just 18 mm (0.7 in) over 4 days, making it one of the driest months of the year. This is a stark contrast to the wetter months leading up to May, like January and February, where rainfall exceeds 59 mm (2.3 in). The drop in precipitation in May signals the onset of a drier season, as the island thrives under increased sunshine, perfect for outdoor exploration and enjoying the stunning volcanic landscapes. This trend of reduced rainfall continues into June and July, emphasizing May as a transitional period, where the charming allure of Stromboli shines through, inviting visitors to bask in its beauty.

May Precipitation Trends in Stromboli

The chart displays monthly precipitation patterns in Stromboli, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec75597145182320235079117118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Stromboli

In May, Stromboli experiences a humidity level of 72%, which is relatively consistent with the preceding months. While January kicks off the year with a higher humidity of 78%, levels gradually decrease to 71% in February and hover around the 70% mark in March. The spring months see a slight uptick in moisture, peaking in April at 73% before the welcome warmth of summer begins to dry things out. Following May, humidity continues its descent into the summer months, dipping to 67% in June and further down to 61% in August. This trend indicates that as the island transitions from spring to summer, visitors can expect a more arid climate, setting a refreshing backdrop for outdoor adventures.

May Average Humidity in Stromboli

This chart illustrates the average monthly humidity levels in Stromboli, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%72%70%73%72%67%64%61%68%73%77%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Stromboli

As spring transitions into summer, May in Stromboli, Italy showcases a striking increase in the UV Index, reaching 9, which falls into the very high exposure category. This signifies a shift from earlier months, where the UV Index slowly climbed from a moderate level of 3 in January to 8 in April. With a burn time of only 15 minutes, visitors and locals alike should be mindful of sun exposure during this month. The trend indicates a continuing rise in UV intensity leading into June, with a peak index of 10 expected. For more detailed forecasts and tips on sun safety, explore the Stromboli UV Index.

Maximum UV Index Levels in Stromboli for May

The chart shows the monthly maximum UV Index (UVI) for Stromboli in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec346891010108643
Data source: Stromboli May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Stromboli

In Stromboli, Italy, May ushers in a vibrant surge of sunshine, boasting an impressive 398 hours of bright skies that beautifully contrast the cloudier winter months. As spring unfolds, the increase in sunshine is both obvious and invigorating, building on the 353 hours seen in April and paving the way for even sunnier days ahead in June, with 405 hours lighting up the landscape. This steady climb in daylight hours not only highlights the arrival of summer but also invites visitors to bask in the island's natural beauty and outdoor activities. As the seasons transition, the rhythm of sunshine here echoes the enchanting allure of this volcanic paradise, where each month adds a little more warmth and brightness to everyday life.

Monthly Sunshine Duration in Stromboli: May Highlighted

The May sunshine duration represents the total number of hours Stromboli experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec214h270h328h353h398h405h420h395h339h315h263h264h
Data source: Stromboli May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Stromboli During May

In Stromboli, Italy, May ushers in a promising 62% chance of sunny weather, reflecting a delightful transition towards the summer months. This month stands out as a notable improvement from April's 53%, signaling a shift towards brighter days. As spring unfolds, the likelihood of sunshine continues to climb, peaking in July and August with an impressive 88% and 90% respectively. With March already displaying a solid 65%, the trend indicates that those seeking sunshine are increasingly rewarded as the season progresses. Overall, May offers a delightful preview of the sunny summer days that await!

Percentage of Sunny Days in May in Stromboli

The chart illustrates the percentage of sunny days in Stromboli throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Stromboli experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%60%65%53%62%66%88%90%64%42%42%53%
Data source: Stromboli May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Stromboli in May

As the seasons transform in Stromboli, Italy, the daylight hours reveal a vibrant pattern of change. Beginning the year with 9 hours of daylight in January, the island gradually awakens with 10 hours in February and 11 hours in March, heralding the arrival of spring. By April, daylight extends to 13 hours, inviting longer outdoor experiences. The peak of spring shines in May with 14 hours of radiant daylight, a duration that continues steadily through June and July, making those months the brightest of the year. As summer wanes, daylight begins its subtle retreat, dropping to 13 hours in August, before tapering off to 12 hours in September. The descent continues into the fall, where daylight contracts back to 11 hours in October and then steadily shortens to 9 hours by December. This cyclical dance of daylight not only marks the passage of time but also enhances the enchanting charm of Stromboli's landscape throughout the seasons.

Average Daylight Hours in Stromboli for May

The chart illustrates the variation in daylight duration in Stromboli throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 13m14h 17m14h 49m14h 32m13h 36m12h 23m11h 8m10h 2m9h 29m
Data source: Stromboli daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Stromboli

In Stromboli, Italy, the winds of May bring a gentle caress, with an average speed of just 3.6 m/s (8 mph), marking a notable decline from the brisker months of winter. Following the spring months, where winds hovered around 4 m/s, May signals a shift towards calmer days, with June continuing this tranquil trend at 3.1 m/s (7 mph). This marks the year's low point for wind speed, making it an idyllic time for outdoor activities and exploring the island's stunning natural beauty without the interference of strong gusts. As summer approaches, the winds begin to pick up again, hinting at a dynamic shift just beyond the horizon.

Average May Wind Speed in Stromboli

The chart displays monthly wind speed patterns in Stromboli, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.85.14.44.83.6 m/s3.13.43.13.15.66.36.8
Data source: Stromboli May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Stromboli Compares to Other Months

The weather in Stromboli 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 Stromboli and find detailed weather information for every month.

When comparing the weather in May and January, a significant difference in temperature is evident. May enjoys milder conditions with minimum temperatures around 14°C (57°F) and highs reaching 25°C (78°F), while January is noticeably cooler, with a minimum of 4°C (39°F) and a maximum of only 18°C (65°F). Additionally, January experiences much higher precipitation, averaging 75 mm (2.9 in) over 12 days, compared to May's lighter rainfall of just 18 mm (0.7 in) over 4 days. Despite its cooler temperatures, January's humidity level of 78% is quite similar to May's 72%, indicating a consistent moisture content throughout the year. For more insights into January weather, explore Stromboli weather in January.

May typically offers warmer weather compared to February, with average temperatures rising from 13°C (56°F) in February to a comfortable 19°C (66°F) in May. The maximum temperatures also reflect this change, peaking at 25°C (78°F) in May, while February's maximum reaches only 17°C (64°F). Additionally, May experiences significantly less precipitation, with only 18 mm (0.7 in) over 4 days, compared to February's 59 mm (2.3 in) spread over 9 days. Both months have similar humidity levels, hovering around 71-72%, making May feel more pleasant overall. For a detailed look at February weather conditions, you can check out Stromboli weather in February.

In comparing the weather between May and March, May offers a significantly warmer climate with average temperatures rising to 19°C (66°F) and maximums reaching 25°C (78°F). In contrast, March experiences cooler temperatures, averaging only 13°C (57°F) and peaking at 18°C (64°F). Additionally, March tends to be wetter, with 71 mm (2.8 in) of precipitation over 9 days, while May sees far less rainfall at just 18 mm (0.7 in) over 4 days. Humidity remains relatively similar, with May at 72% and March at 70%. For more detailed weather information specific to March, you can refer to Stromboli weather in March.

In comparing the weather between April and May, it is clear that May tends to be warmer and drier. May sees temperatures ranging from a minimum of 14°C (57°F) to a maximum of 25°C (78°F), with an average of 19°C (66°F). In contrast, April has cooler temperatures, with a minimum of 11°C (51°F), an average of 15°C (60°F), and a maximum of 21°C (70°F). Additionally, May experiences significantly less precipitation at 18 mm (0.7 in) over 4 days, compared to April's 45 mm (1.8 in) over 7 days. Both months have similar humidity levels, with May at 72% and April at 73%. For more detailed insights into the weather in April, you can check Stromboli weather in April.

In comparison to May, June generally experiences warmer temperatures, with minimums around 17°C (63°F) and average highs reaching up to 30°C (85°F). May's temperatures range from a milder 14°C (57°F) to a maximum of 25°C (78°F). While May has slightly lower precipitation at 18 mm (0.7 in) over 4 days, June sees a bit more rain at 23 mm (0.9 in) over just 3 days, indicating that summer storms may start to become more frequent. Additionally, June enjoys lower humidity levels at 67%, compared to May’s 72%, making it feel a bit more comfortable despite the higher temperatures. For specific details on weather patterns, you can check out Stromboli weather in June.

In May, temperatures begin to warm up, with a minimum of 14°C (57°F) and an average high of 25°C (78°F), while July boasts significantly higher temperatures, starting at a minimum of 21°C (70°F) and reaching an average maximum of 30°C (86°F). May experiences relatively high humidity levels at 72%, which drops to a more comfortable 64% in July. Precipitation is slightly higher in July, with 20 mm (0.8 in) over just three days compared to May's 18 mm (0.7 in) over four days. For more specific details about July weather, you can check Stromboli weather in July.

May and August present distinct contrasts in weather characteristics. In May, temperatures range from a mild minimum of 14°C (57°F) to a pleasant average of 19°C (66°F), peaking at a comfortable maximum of 25°C (78°F). However, this month experiences slightly more rainfall, with 18 mm (0.7 in) of precipitation over about 4 days, coupled with higher humidity at 72%. In contrast, August is significantly warmer, with temperatures starting at a minimum of 22°C (71°F), averaging 27°C (81°F), and reaching a maximum of 31°C (88°F). Although August sees more precipitation overall at 23 mm (0.9 in), it has fewer rainy days (3), and humidity dips to 61%, contributing to a drier feel. For those interested in exploring specifics, check out Stromboli weather in August.

May and September both offer pleasant weather, but they each have distinct characteristics. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 25°C (78°F), with an average of 19°C (66°F). The month experiences relatively low rainfall, totaling 18 mm (0.7 in) over about 4 days, and a humidity level of 72%. In contrast, September sees warmer temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (83°F), averaging around 25°C (76°F). However, it also brings increased precipitation, with 50 mm (2.0 in) falling over approximately 7 days, and a slightly lower humidity of 68%. For more information on the specific weather patterns in September, you can check Stromboli weather in September.

May and October exhibit notable differences in weather patterns. May typically features a milder climate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 25°C (78°F) and an average of 19°C (66°F). The month sees limited precipitation, averaging only 18 mm (0.7 in) spread across about 4 days, while humidity hovers around 72%.

In contrast, October offers slightly warmer temperatures, with a minimum of 16°C (60°F) and a maximum of 27°C (81°F), averaging 21°C (70°F). However, this month is marked by significantly higher rainfall, totaling 79 mm (3.1 in) over approximately 11 days, and a humidity level that remains comparable at 73%. For those interested in more specific information regarding October weather, you can check Stromboli weather in October.

In May, the weather is generally milder with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 25°C (78°F) and an average of 19°C (66°F). Precipitation is relatively low, with only 18 mm (0.7 in) recorded over about 4 days, and humidity levels sit at 72%. In contrast, November sees cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 22°C (73°F), resulting in an average temperature of 18°C (65°F). Rainfall significantly increases to 117 mm (4.6 in) over 13 days, accompanied by a slightly higher humidity of 77%. For more details on the November climate, you can check Stromboli weather in November.

In May, the weather is generally warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 25°C (78°F), and an average of 19°C (66°F). The month experiences relatively low precipitation, with only 18 mm (0.7 in) over about four days, accompanied by a humidity level of 72%. In contrast, December brings cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 19°C (66°F), averaging 15°C (59°F). The month is considerably wetter, with a total precipitation of 118 mm (4.6 in) spread over 14 days and higher humidity at 78%. For more detailed information, you can check Stromboli weather in December.

Compare Stromboli's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Stromboli

As spring transitions into summer, May in Stromboli brings a delightful shift in weather that sets it apart from the cooler months. With temperatures warming up to a pleasant average of 19°C (66°F), the island becomes a vibrant and inviting destination. While precipitation is minimal, with only a few rainy days throughout the month, the humidity remains noticeable, adding a refreshing feel to the air. This combination of warmth and moderate dampness makes May an ideal time for outdoor adventures and exploring the island's stunning beauty. For more insights into the yearly weather patterns, check out Stromboli Climate.