May Weather in Rovinj, Croatia

Last updated: March 17, 2025

In May, Rovinj, Croatia offers a delightful blend of pleasant temperatures and vibrant natural beauty. With maximum temperatures reaching 26°C (78°F) and an average of 17°C (63°F), visitors can enjoy mild and inviting weather. The evenings can be cooler, with minimums dropping to 9°C (48°F), making a light sweater advisable. However, be prepared for some rain, as the month sees an average of 101 mm (4.0 in) of precipitation over 12 days. Humidity levels hover around 70%, adding a touch of Mediterranean warmth to the atmosphere. May in Rovinj provides a wonderful setting for exploring its picturesque streets and stunning coastal views.

May Temperature in Rovinj

As spring transitions into summer, Rovinj, Croatia experiences a delightful shift in temperatures during the month of May. With nighttime lows rising to 9°C (48°F), the days become pleasantly warm, averaging around 17°C (63°F) and peaking at a comfortable 26°C (78°F). This marks a significant improvement from the chill of earlier months, as May’s higher temperatures encourage outdoor exploration and leisure activities along the stunning Adriatic coast. Compared to April's mild averages, May offers a taste of summer, making it an ideal time for visitors to embrace the blooming landscapes and vibrant local culture.

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

The chart illustrates May temperature patterns in Rovinj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454749556372767870625549
Data source: Temperature data for Rovinj generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Rovinj

In Rovinj, Croatia, May marks a notable increase in precipitation, matching February's hefty total with 101 mm (4.0 in) of rain. This month sees a significant rise in both the total rainfall and the number of wet days, with 12 days recorded, making it one of the wetter months of the year. Following the somewhat moderate spring months of March and April, May's precipitation suggests a transition towards the summer season, characterized by more variable weather patterns. As the temperatures begin to warm, these showers nourish the vibrant landscapes, creating a lush backdrop for the stunning coastal scenery. The trends from the preceding months indicate a shift towards wetter conditions, setting the tone for Rovinj’s lush summer flora and dynamic atmosphere.

May Precipitation Trends in Rovinj

The chart displays monthly precipitation patterns in Rovinj, 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.
JanFebMarAprMayJunJulAugSepOctNovDec59101567510151544815397163144
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Rovinj

As spring transitions into summer, May in Rovinj, Croatia, witnesses a refreshing decrease in humidity, recorded at 70%. This marks a continual decline from the wetter months of January and February, which boast humidity levels above 80%. By May, the air becomes noticeably lighter and more comfortable compared to the previous months, aligning with the gradual trend toward lower humidity that peaks in the summer, particularly in August with only 51%. This shift not only enhances the enjoyment of outdoor activities but also hints at the dry warmth that characterizes the approaching summer season, making Rovinj an inviting destination during this time.

May Average Humidity in Rovinj

This chart illustrates the average monthly humidity levels in Rovinj, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rovinj

As spring transitions into summer, the UV Index in Rovinj, Croatia sees a significant increase in May, reaching an impressive 8 on the scale. This marks a shift to the very high exposure category, necessitating precautions for sun protection as the burn time shortens to just 15 minutes. Comparatively, April's index was moderate at 6, indicating how rapidly the sun's intensity rises as warmer months approach. Following May, June and July maintain a steady 9, reinforcing the need for vigilance against UV radiation. With the arrival of May, it's essential to enjoy the sunny Mediterranean environment while staying protected. For more details, check the Rovinj UV Index.

Maximum UV Index Levels in Rovinj for May

The chart shows the monthly maximum UV Index (UVI) for Rovinj 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Rovinj 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 Rovinj

As spring blossoms into early summer, May in Rovinj, Croatia, offers a delightful surge in sunshine, boasting an impressive 385 hours of sunlight. This period marks a significant increase from the previous months, where January began with only 185 hours and gradually climbed to 352 hours in April. The trend continues with May receiving more sunlight than any month prior, setting the stage for the sun-drenched days of June and July. The steady ascent in sunshine hours paints a picture of vibrant warmth and the allure of outdoor adventures, making May an exquisite time to explore Rovinj's stunning coastline and picturesque streets. As the sun shines brighter, the charm of this coastal gem truly comes to life.

Monthly Sunshine Duration in Rovinj: May Highlighted

The May sunshine duration represents the total number of hours Rovinj 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h231h320h352h385h421h432h400h334h302h237h219h
Data source: Rovinj May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rovinj During May

In Rovinj, Croatia, the likelihood of enjoying sunny days in May holds steady at 46%, mirroring the previous month of April. This consistency suggests a transitional phase as spring gradually shifts into summer. While May may not boast the highest chance of sun—as seen in the subsequent months of June (58%) and August (66%)—it still offers a pleasant balance for those seeking mild weather and blooming landscapes. This moderate sunshine can be ideal for exploring the charming streets of Rovinj or relaxing along its stunning coastline, as the chances for brighter days become increasingly promising heading into the summer months.

Percentage of Sunny Days in May in Rovinj

The chart illustrates the percentage of sunny days in Rovinj 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 Rovinj experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%44%67%46%46%58%55%66%61%50%33%39%
Data source: Rovinj May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rovinj in May

In Rovinj, Croatia, the daylight duration experiences a delightful transformation as the year unfolds. Starting the year with 9 hours of daylight in January, the days gradually lengthen, reaching 10 hours in February and 11 hours in March. By April, the sun shines for 13 hours, heralding the vibrant growth of spring. May marks a significant leap to 14 hours of daylight, allowing both locals and visitors to fully embrace the outdoors. As summer approaches, daylight peaks at 15 hours during June and July, creating perfect conditions for sun-soaked adventures. However, as the season shifts, daylight begins to wane, dropping to 13 hours in August and further to 12 hours in September, before tapering off to 10 hours in October. The cycle closes with the shorter days of winter, featuring just 9 hours in November and even less in December. This rhythmic ebb and flow of daylight not only highlights the charm of Rovinj’s changing seasons but also invites exploration and enjoyment throughout the year.

Average Daylight Hours in Rovinj for May

The chart illustrates the variation in daylight duration in Rovinj throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 12m10h 24m11h 56m13h 30m14h 51m15h 31m15h 10m13h 59m12h 28m10h 55m9h 32m8h 49m
Data source: Rovinj daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Rovinj

In Rovinj, Croatia, the month of May typically greets visitors with a gentle breeze, boasting an average wind speed of 4.4 m/s (10 mph). This slight uptick from April's winds suggests a transition into the warmer season, invigorating the coastal atmosphere. Notably, May's wind speed remains consistent with earlier months, reflecting a stable spring climate that prepares the city for the sultry summer ahead. As we observe the trend throughout the year, it’s fascinating to see how the wind dances from its quietest in March to more blustery conditions in late autumn, painting a picture of Rovinj’s dynamic weather patterns that charm visitors all year round.

Average May Wind Speed in Rovinj

The chart displays monthly wind speed patterns in Rovinj, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.54.03.74.34.4 m/s3.03.53.93.35.15.13.9
Data source: Rovinj May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Rovinj Compares to Other Months

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

May and January present a stark contrast in weather. In May, temperatures range from a pleasant minimum of 9°C (48°F) to a warm maximum of 26°C (78°F), with an average of 17°C (63°F). The month experiences significant precipitation, totaling 101 mm (4.0 in) over about 12 days, along with a moderate humidity of 70%. In contrast, January is much colder, with temperatures ranging from a frigid minimum of -4°C (26°F) to a maximum of 14°C (57°F), averaging just 7°C (45°F). Precipitation is less frequent, amounting to 58 mm (2.3 in) over approximately 7 days, and humidity is notably higher at 88%. For more detailed information, you can check Rovinj weather in January.

In comparing the weather of May and February, a clear contrast emerges in both temperature and humidity. May boasts a milder temperature range, with averages around 17°C (63°F) and a maximum reaching up to 26°C (78°F), while February's temperatures are considerably cooler, averaging only 8°C (47°F) with a maximum of 16°C (61°F) and a chilling minimum of -4°C (25°F). Both months experience similar precipitation levels, with May recording 101 mm over 12 days and February also at 101 mm but spread over just 9 days. Additionally, February maintains a higher humidity level at 82%, compared to May's 70%, making it feel more damp and chilly. For more detailed information on February weather, visit Rovinj weather in February.

In comparing the weather between March and May, May presents a significant warming trend with average temperatures soaring to 17°C (63°F) and a maximum of 26°C (78°F), while March remains cooler with an average of just 10°C (50°F) and a maximum of 19°C (66°F). Additionally, May experiences more precipitation overall, totaling 101 mm (4.0 in) over 12 days, compared to March's 56 mm (2.2 in) across 8 days. Humidity levels are relatively close, with May at 70% and March slightly higher at 73%, indicating a moist environment in both months but with a more comfortable feel in May. For more detailed weather information, you can check Rovinj weather in March.

In comparing the weather between April and May, May generally offers warmer temperatures with a minimum of 9°C (48°F) and an average of 17°C (63°F), compared to April's cooler minimum of 4°C (39°F) and average of 13°C (56°F). The maximum temperatures also rise, with May reaching up to 26°C (78°F) while April peaks at 21°C (71°F). However, May experiences more precipitation, totaling 101 mm (4.0 in) over 12 days, whereas April sees less rain with 75 mm (3.0 in) over 8 days. Interestingly, humidity levels remain relatively consistent, with April at 73% and May slightly lower at 70%. For more details about April weather specifically, you can visit Rovinj weather in April.

May typically experiences cooler temperatures, with averages around 17°C (63°F) and a maximum reaching 26°C (78°F). In contrast, June sees a noticeable rise in warmth, boasting an average temperature of 22°C (73°F) and highs of 31°C (88°F). Additionally, May tends to be wetter, receiving 101 mm (4.0 in) of precipitation over 12 days, while June is drier with only 51 mm (2.0 in) across just 6 days. Humidity levels remain similar between the two months, hovering around 70% in May and 69% in June. For more specific forecasts, check out Rovinj weather in June.

May and July present quite different weather patterns. In May, temperatures range from a low of 9°C (48°F) to a comfortable average of 17°C (63°F), with highs reaching 26°C (78°F). The month experiences significant rainfall, accumulating to 101 mm (4.0 in) over about 12 days, along with a higher humidity level of 70%. In contrast, July enjoys warmer temperatures, with a minimum of 18°C (65°F), an average of 25°C (76°F), and maximums peaking at 31°C (88°F). Precipitation decreases considerably to just 53 mm (2.1 in) over 7 days, and humidity also drops to a more comfortable 63%. For more detailed insights, you can check Rovinj weather in July.

May and August exhibit quite distinct weather characteristics. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 26°C (78°F), with an average of 17°C (63°F). This month sees considerable rainfall, totaling 101 mm (4.0 in) over 12 days, and the humidity is relatively high at 70%. In contrast, August experiences warmer temperatures, with a minimum of 17°C (64°F) and a maximum of 32°C (89°F), averaging 25°C (78°F). Precipitation in August drops significantly to 48 mm (1.9 in) across just 5 days, and humidity also decreases to 51%. For those interested in August weather specifics in Rovinj, you can find more information here: Rovinj weather in August.

May and September both offer pleasant weather, but there are notable differences between the two months. In May, temperatures start to rise, with a minimum of 9°C (48°F) and an average of 17°C (63°F), peaking at around 26°C (78°F). The month is characterized by a relatively high humidity level of 70% and about 101 mm (4.0 in) of precipitation over 12 days. In contrast, September experiences warmer temperatures, with a minimum of 12°C (54°F), an average of 21°C (70°F), and a maximum of 30°C (86°F). Although it is slightly drier with 153 mm (6.0 in) of rain over just 10 days, the humidity is lower at 64%. For more details on September weather, check out Rovinj weather in September.

May and October present a mild climate with similar average temperatures, both resting around 17°C (63°F). However, May enjoys slightly warmer maximum temperatures, peaking at 26°C (78°F), compared to October's high of 23°C (73°F). Precipitation levels are fairly close, with May receiving an average of 101 mm (4.0 in) over 12 days, while October registers 97 mm (3.8 in) with fewer rainy days at 9. Humidity is notably higher in October at 83%, compared to May's 70%, contributing to a different feel in the air as the seasons shift. For more details on October weather, check out Rovinj weather in October.

May and November showcase distinct weather patterns, marking a transition from spring to autumn. In May, temperatures range from a chilly 9°C (48°F) at night to a pleasant 26°C (78°F) during the day, with an average of 17°C (63°F). The month typically sees around 101 mm (4.0 in) of precipitation over approximately 12 days, with humidity levels at 70%. In contrast, November brings cooler temperatures, with nighttime lows of 4°C (40°F) and daytime highs reaching only 19°C (67°F), averaging 13°C (55°F). This month is wetter, with around 163 mm (6.4 in) of rain falling over 14 days, and the humidity rises to a higher 89%. For more insights on November weather, visit Rovinj weather in November.

May and December exhibit quite different weather patterns. In May, temperatures range from a minimum of 9°C (48°F) to a pleasant average of 17°C (63°F), peaking at a max of 26°C (78°F). This month also sees moderate precipitation of 101 mm (4.0 in) over approximately 12 days, with humidity levels around 70%. In contrast, December temperatures drop significantly, with a minimum of 3°C (37°F) and an average of 9°C (49°F), reaching a high of 16°C (61°F). Additionally, December experiences higher precipitation at 144 mm (5.7 in) over 13 days and increased humidity at 88%. For more details, check out Rovinj weather in December.

Compare Rovinj's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Rovinj

As May unfolds in Rovinj, the weather begins to shift, welcoming warmth that sets it apart from the cooler, damp days of early spring. With pleasant daytime temperatures coaxing locals and visitors outdoors, the average warms to a comfortable 17°C (63°F), hinting at summer’s approach while still allowing for enjoyable evenings. However, be prepared for occasional rain, as May sees its fair share of precipitation, totaling 101 mm over roughly half the month. This humidity, at around 70%, creates a vibrant, lush environment, offering an inviting respite that other months can lack. For a deeper dive into the annual weather patterns that make Rovinj so captivating, visit Rovinj Climate.