May Weather in Ostuni, Italy

Last updated: March 24, 2025

May in Ostuni, Italy showcases a delightful transition into warmer weather, with maximum temperatures reaching a comfortable 28°C (83°F) and an appealing average of 18°C (66°F). While the days are predominantly sunny, the region does experience about 48 mm (1.9 in) of precipitation over 6 days, contributing to the lush, blooming landscape. The humidity level hovers around 71%, adding a touch of freshness to the air. This combination of warmth and occasional showers makes May an ideal time for exploring the beauty and charm of Ostuni.

May Temperature in Ostuni

In May, Ostuni, Italy starts to bloom with warmer days, signaling the arrival of spring in full swing. Temperatures range from a comfortable minimum of 10°C (50°F) to a pleasant maximum of 28°C (83°F), making it a delightful time to explore the charming streets of this historic town. With an average temperature of 18°C (66°F), May offers a perfect balance of warmth and coolness, ideal for outdoor activities and leisurely strolls. As the weather gradually shifts from the cooler temperatures of earlier months, visitors can enjoy the vibrant atmosphere of Ostuni, where the picturesque landscapes and burgeoning flora cast a stunning backdrop for the month ahead.

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

The chart illustrates May temperature patterns in Ostuni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec495153586574798074655953
Data source: Temperature data for Ostuni 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 Ostuni

May in Ostuni, Italy, marks a gentle transition towards summer, characterized by an average precipitation of 48 mm (1.9 in) spread over 6 days. This slight uptick from April’s 44 mm indicates that while the month remains relatively dry, lingering spring showers can still bring refreshing bursts of rain to the picturesque town. Notably, May's rainfall is lower than the winter months but more substantial than the upcoming summer, reflecting a trend of diminishing precipitation that starts in April and continues throughout June. As the days grow warmer and longer, the balanced mix of sunshine and occasional rain not only nurtures the vibrant landscapes but also allows visitors to enjoy a blooming Ostuni, making it a delightful time to explore this charming Italian locale.

May Precipitation Trends in Ostuni

The chart displays monthly precipitation patterns in Ostuni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6256534448261320346311061
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ostuni

May in Ostuni, Italy, welcomes the arrival of warmer days with a humidity level of 71%, maintaining a steady trend from the previous months. As the spring season unfolds, humidity remains consistent, showing little fluctuation compared to April. This level is quite comfortable for outdoor activities, offering a pleasant atmosphere before the summer months when humidity begins to drop significantly. Following May, June sees a decrease to 65%, indicating the transition to a drier climate as the summer heat sets in. Overall, May serves as a perfect bridge between the moist spring and the drier summer, making it an ideal time to explore the charming landscapes of Ostuni.

May Average Humidity in Ostuni

This chart illustrates the average monthly humidity levels in Ostuni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%74%70%71%71%65%61%56%66%74%80%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ostuni

As May arrives in Ostuni, Italy, the UV Index reaches an impressive 9, categorizing the sun's intensity as very high and significantly reducing safe sun exposure to just 15 minutes. This sharp increase from April's moderate burn time of 25 minutes highlights the trend of rising UV levels as spring transitions into summer. Notably, May is part of a critical period from spring to early summer, where UV radiation peaks, urging residents and visitors to take extra precautions against skin damage. As the sun’s rays intensify, it's essential to stay vigilant with sunscreen application and protective clothing. For those planning to bask in Ostuni's beautiful sun, maintaining awareness of the Ostuni UV Index is crucial to enjoy the outdoors safely.

Maximum UV Index Levels in Ostuni for May

The chart shows the monthly maximum UV Index (UVI) for Ostuni 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.
JanFebMarAprMayJunJulAugSepOctNovDec3467910997632
Data source: Ostuni 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 Ostuni

May in Ostuni, Italy, shines with a delightful 402 hours of sunshine, marking a significant uptick from the previous months. The sun-drenched days gradually build from 198 hours in January, climbing steadily through spring as the landscape comes alive. By April, the hours reach 354, setting the stage for May’s radiant brilliance. As summer approaches, June and July offer slightly more sunshine, but May's gentle warmth lingers in the air, inviting locals and visitors alike to bask in the golden glow of this charming hilltop town. The trend of increasing sunlight not only enhances the vibrant colors of Ostuni’s iconic whitewashed buildings but also encourages outdoor activities, making it an ideal time to experience the enchanting beauty of this Italian gem.

Monthly Sunshine Duration in Ostuni: May Highlighted

The May sunshine duration represents the total number of hours Ostuni 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.
JanFebMarAprMayJunJulAugSepOctNovDec198h259h326h354h402h414h427h398h343h311h247h246h
Data source: Ostuni May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ostuni During May

May in Ostuni, Italy, captures a delightful blend of warmth and sunshine, boasting a 58% chance of sunny days. This figure reflects a noteworthy trend where the likelihood of sun begins to rise significantly in the spring. After a steady increase from January through March, the chances stabilize around the mid-50s in April, only to maintain this promising outlook into May. As the town prepares for the summer months, the sunshine stakes rise dramatically in June, reaching 71%, and peaking in July with a remarkable 84%. Therefore, May serves as a lovely transition into sunnier days ahead, making it an ideal time for visitors to enjoy Ostuni’s charm under the sun.

Percentage of Sunny Days in May in Ostuni

The chart illustrates the percentage of sunny days in Ostuni 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 Ostuni experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%58%52%58%71%84%81%59%51%33%55%
Data source: Ostuni May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ostuni in May

In Ostuni, Italy, the arrival of May heralds a significant increase in daylight, with the sun gracing the sky for 14 hours—a delightful progression from the 13 hours seen in April. This upward trend continues into June, where daylight peaks at 15 hours, fostering longer evenings for leisurely strolls and vibrant gatherings. As summer unfolds, daylight slightly recedes in July and August, settling at 14 and 13 hours respectively, before gradually tapering off in the fall months. The shift from just 9 hours of daylight in winter to the blooming 14 hours of May not only highlights the changing seasons but also enhances the warmth and allure of Ostuni's picturesque landscapes.

Average Daylight Hours in Ostuni for May

The chart illustrates the variation in daylight duration in Ostuni throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 38m11h 57m13h 18m14h 27m15h 2m14h 44m13h 43m12h 25m11h 4m9h 53m9h 17m
Data source: Ostuni daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ostuni

In May, Ostuni, Italy experiences an average wind speed of 4.2 m/s (9 mph), marking a slight decrease from the previous months. After a consistent 4.4 m/s in both February and April, the winds begin to mellow as summer approaches, gently caressing the picturesque landscapes of this charming town. This downward trend continues into June, where average speeds dip to 3.6 m/s (8 mph), suggesting a transition towards the warmer, more tranquil days of summer. As spring gives way to the summer season, the calming winds enhance the leisurely atmosphere, making May a delightful time for outdoor activities against the backdrop of Ostuni's stunning whitewashed architecture.

Average May Wind Speed in Ostuni

The chart displays monthly wind speed patterns in Ostuni, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.14.44.84.44.2 m/s3.63.93.63.43.84.65.4
Data source: Ostuni May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ostuni Compares to Other Months

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

May and January offer markedly different weather experiences. In May, temperatures range from a comfortable 10°C (50°F) at night to a pleasant 28°C (83°F) during the day, with an average of 18°C (66°F). The month sees moderate rainfall, totaling 48 mm (1.9 in) across about 6 days, and a humidity level of 71%. In contrast, January presents a much cooler climate, with temperatures dipping to a minimum of -1°C (31°F) and peaking at 16°C (62°F), averaging around 9°C (49°F). This winter month receives more precipitation, totaling 62 mm (2.4 in) over approximately 9 days, and features a higher humidity of 82%. For more detailed information on January's weather specifics, visit Ostuni weather in January.

May and February present contrasting weather patterns, showcasing the transition from late winter to early summer. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 18°C (66°F). The month sees about 48 mm (1.9 in) of precipitation across approximately 6 days, accompanied by a humidity level of 71%. In contrast, February is cooler, with temperatures ranging from 2°C (35°F) to a maximum of 19°C (66°F) and an average of 11°C (51°F). Precipitation is slightly higher at 56 mm (2.2 in), occurring over 9 days, and the humidity is marginally higher at 74%. For more specific insights into the winter weather patterns, you can check Ostuni weather in February.

In comparing the weather between May and March, there's a noticeable shift in temperature and precipitation. May boasts a minimum temperature of 10°C (50°F), an average of 18°C (66°F), and a maximum of 28°C (83°F), creating a warm and pleasant atmosphere perfect for outdoor activities. Conversely, March is cooler, with a minimum temperature of 1°C (34°F), an average of 12°C (53°F), and a maximum of 19°C (66°F), making it feel more like early spring. While March experiences slightly higher precipitation at 53 mm (2.1 in) over 9 days, May has a bit less with 48 mm (1.9 in) over only 6 days, indicating a transition towards drier conditions. Both months have similar humidity levels, hovering around 70%. For more specific details on March weather in Ostuni, you can visit Ostuni weather in March.

In comparing the weather conditions of April and May, we see a notable warming trend. May boasts a minimum temperature of 10°C (50°F) and an average of 18°C (66°F), compared to April's lower minimum of 6°C (42°F) and average of 14°C (58°F). The maximum temperatures also rise significantly, with May reaching up to 28°C (83°F) while April caps at 24°C (76°F). Precipitation is slightly higher in May, at 48 mm (1.9 in) over 6 days, compared to April's 44 mm (1.7 in) over 7 days. Despite this increase in rain, the humidity remains consistent at 71% for both months. For more detailed information, you can check Ostuni weather in April.

In May, the weather is mild with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), and an average of 18°C (66°F). The month sees a moderate amount of rainfall, totaling 48 mm (1.9 in) over approximately six days, along with a humidity level of 71%. In contrast, June experiences warmer temperatures, with a minimum of 13°C (56°F), an average of 23°C (74°F), and a maximum of 34°C (93°F). Rainfall is reduced to 26 mm (1.0 in) over about five days, and humidity drops to 65%. For a closer look at the June weather specifics, you can visit Ostuni weather in June.

May and July present distinct contrasts in weather conditions. In May, temperatures range from a cool 10°C (50°F) to a warm 28°C (83°F), averaging around 18°C (66°F). This month sees about 48 mm (1.9 in) of precipitation over six days, along with relatively high humidity at 71%. In contrast, July offers a much hotter climate, with temperatures starting at a minimum of 19°C (66°F) and peaking at 35°C (95°F), averaging 26°C (79°F). Precipitation significantly decreases to just 13 mm (0.5 in) over three days, and the humidity drops to 61%. For more detailed information, you can check Ostuni weather in July.

May and August showcase notably different weather patterns. In May, temperatures range from a cool minimum of 10°C (50°F) to a pleasant average of 18°C (66°F), peaking at a maximum of 28°C (83°F). The month experiences around 48 mm (1.9 in) of precipitation over six days, with a humidity level of 71%, making the air feel quite moist. In contrast, August sees a significant shift, with temperatures starting at a minimum of 20°C (67°F) and rising to an average of 27°C (81°F) and a high of 36°C (97°F). Precipitation decreases to just 20 mm (0.8 in) across four days, and the humidity drops to 56%, creating a much drier and hotter climate. For more details on this month’s weather, you can check Ostuni weather in August.

May and September present distinct weather patterns that highlight the transition between spring and autumn. In May, temperatures range from a comfortable minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 18°C (66°F), while experiencing around 48 mm (1.9 in) of precipitation over six days. The humidity is relatively high at 71%, creating a lush and vibrant atmosphere. In contrast, September boasts warmer temperatures, with lows around 16°C (60°F) and highs reaching up to 32°C (90°F), averaging 23°C (74°F). With only 34 mm (1.3 in) of rainfall over seven days and lower humidity at 66%, September typically offers drier and sunnier conditions. For more specific information on September weather, you can check Ostuni weather in September.

In comparing the weather of May and October, both months exhibit similar average temperatures around 18°C (66°F), with May having a slightly broader temperature range, peaking at 28°C (83°F) compared to October's maximum of 27°C (82°F). May tends to be a drier month with only 48 mm (1.9 in) of precipitation over about 6 days, while October experiences increased rainfall, totaling 63 mm (2.5 in) over approximately 8 days. Additionally, October's humidity is marginally higher at 74%, compared to May's 71%. For more detailed information about weather conditions during this time, you can visit Ostuni weather in October.

May and November present contrasting weather conditions, making each month unique. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 18°C (66°F). The month is relatively dry, with only 48 mm (1.9 in) of rainfall over about 6 days and humidity levels at 71%. In stark contrast, November experiences cooler temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 22°C (73°F), with an average of 15°C (60°F). This month sees a significant increase in precipitation, totaling 110 mm (4.3 in) over approximately 12 days, and higher humidity at 80%. For a closer look at November's weather, visit Ostuni weather in November.

May and December present quite contrasting weather patterns. In May, temperatures range from a pleasant minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average temperature around 18°C (66°F). This month sees relatively low precipitation, totaling 48 mm (1.9 in) over about 6 days, and a humidity level of 71%. In contrast, December experiences cooler temperatures, with a minimum of 5°C (41°F), an average of 11°C (53°F), and a maximum of 18°C (64°F). The month is wetter, accumulating 61 mm (2.4 in) of rain across approximately 10 days, and higher humidity at 82%. For more specific details about December weather, please refer to Ostuni weather in December.

Compare Ostuni's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ostuni

As May unfolds in Ostuni, visitors can expect a delightful blend of warmth and a gradual transition into the summer season. With temperatures averaging around 18°C (66°F) and peaking at a comfortable 28°C (83°F), the month showcases a more pleasant atmosphere compared to the cooler spring months. While the occasional rain, totaling about 48 mm, graces the landscape on a few days, the overall 71% humidity adds to the refreshing charm. This combination of mild temperatures and sporadic showers creates a vibrant environment perfect for exploration and outdoor activities. To learn more about the broader trends throughout the year, check out Ostuni Climate.