May Weather in Omis, Croatia

Last updated: March 17, 2025

May in Omis, Croatia offers a delightful transition into warmer weather, with maximum temperatures reaching up to 26°C (78°F) while averaging a comfortable 17°C (63°F). Visitors can expect a refreshing coastal atmosphere, though early summer showers bring a total of 84 mm (3.3 in) of rain over approximately 13 days, contributing to a lively landscape. With humidity levels around 78%, the air feels pleasantly balmy, making it an ideal time to explore the stunning natural beauty and vibrant culture this charming town has to offer.

May Temperature in Omis

In May, Omis, Croatia, begins to shake off the chill of winter, welcoming warmer days that hint at the summer to come. With a minimum temperature of 7°C (45°F) and an average of 17°C (63°F), the month sets a pleasant tone, while the maximum reaches a comfortable 26°C (78°F). This steady rise in temperatures is a welcome transition, showcasing a notable improvement from the cooler months of April, where the average was just 13°C (55°F). As May unfolds, locals and visitors alike embrace the blossoming spirit of the season, making it an ideal time to enjoy the stunning coastal scenery before the peak summer heat settles in.

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

The chart illustrates May temperature patterns in Omis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414548556371757768605446
Data source: Temperature data for Omis 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 Omis

In May, Omis, Croatia experiences a shift in its precipitation characteristics, with 84 mm (3.3 in) of rainfall spread across 13 days. This marks a slight decline from April's totals, suggesting the onset of a drier season as summer approaches. While May's precipitation is notably lower than the winter months—where rainfall exceeded 100 mm—the frequency of rainy days remains consistent. As spring transitions into summer, the patterns indicate a gradual reduction in overall rain, setting the stage for drier conditions ahead, especially in June, when precipitation drops to just 42 mm (1.6 in). This trend highlights Omis's characteristic Mediterranean climate, where lush spring foliage yields to the warm, sun-drenched days of summer.

May Precipitation Trends in Omis

The chart displays monthly precipitation patterns in Omis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec101114100898442312992109238230
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Omis

As May arrives in Omis, Croatia, the humidity settles at a comfortable 78%, striking a balance between the damp chill of winter and the drier summer months that follow. This slight dip from April's 75% indicates a gradual transition towards the warmer climate, as humidity levels generally decrease through the summer. Interestingly, Omis experiences its highest humidity during the winter months, peaking at 83% in January, before steadily dropping to the summer low of 65% in August. The shift in humidity levels not only marks the changing seasons but also sets the stage for vibrant outdoor activities as the pleasant spring weather invites residents and travelers alike to enjoy the stunning coastal landscapes.

May Average Humidity in Omis

This chart illustrates the average monthly humidity levels in Omis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%73%75%78%75%71%65%69%76%81%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Omis

As May rolls into Omis, Croatia, the UV Index soars to an impressive 9, marking the onset of very high sun exposure. After a gradual increase from a modest index of 2 in January, the UV levels rise steadily, peaking in May. This dramatic shift signals that burn time decreases significantly to just 15 minutes, urging sunbathers to take precautions. The trend indicates the importance of protective measures, as outdoor enthusiasts should remain vigilant about sun safety as the summer approaches. To stay informed and plan accordingly, check out the detailed Omis UV Index.

Maximum UV Index Levels in Omis for May

The chart shows the monthly maximum UV Index (UVI) for Omis 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.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Omis 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 Omis

As spring unfolds in Omis, Croatia, May shines brightly with 391 hours of sunshine, marking a glorious peak in daylight as the days grow longer. This month stands out among the gentle rise in sunny hours since the start of the year, where January offered only 187 hours. The trend is unmistakable with increasing sunshine from February's 245 hours to March's 321 hours, showcasing the gradual embracing of warmer days. April welcomes even more light with 354 hours, leading beautifully into May's vibrant glow. As summer approaches, it's clear that Omis is a haven for sun lovers, promising an abundance of sunny days ahead.

Monthly Sunshine Duration in Omis: May Highlighted

The May sunshine duration represents the total number of hours Omis 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.
JanFebMarAprMayJunJulAugSepOctNovDec187h245h321h354h391h416h434h401h343h310h230h219h
Data source: Omis May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Omis During May

As May approaches in Omis, Croatia, the likelihood of sunny weather stands at 51%, reflecting a slight improvement compared to the previous month. This moderate chance of sunshine aligns with a consistent upward trend that begins in early spring, peaking in the summer months. March offers better odds at 57%, marking the seasonal shift towards sunnier days, while April takes a dip to 47%. Looking ahead, June brings a significant rise to 67%, signifying the arrival of summer's warmth. Overall, while May presents a balanced likelihood for sun, it's a promising precursor to the vibrant, sun-drenched days of summer that follow.

Percentage of Sunny Days in May in Omis

The chart illustrates the percentage of sunny days in Omis 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 Omis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%50%57%47%51%67%69%73%61%52%28%38%
Data source: Omis May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Omis in May

As May arrives in Omiš, Croatia, daylight reaches a delightful 14 hours, marking a significant rise from the 13 hours in April. This gradual increase in sunlight reflects the transition into summer, where each month brings longer days—15 hours of daylight in both June and July. Following this peak, daylight begins to taper off, dropping to 13 hours in August and returning to 10 hours by October. This trend showcases the region's vibrant seasonal shifts, making May a perfect time to enjoy the lengthening days and the beauty of coastal Croatia.

Average Daylight Hours in Omis for May

The chart illustrates the variation in daylight duration in Omis throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 29m11h 57m13h 26m14h 42m15h 20m15h13h 53m12h 27m10h 58m9h 40m8h 59m
Data source: Omis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Omis

In Omiš, Croatia, the winds of May present a gentle embrace, with an average speed of 3.0 m/s (7 mph). This subtle breeze marks a slight decrease from the earlier months, echoing the calmer winds that envelop the summer months ahead. As spring progresses, the wind speeds remain relatively consistent, showcasing a transition that echoes the shift towards warmer days. Interestingly, June through August experiences even lighter winds, underscoring a serene atmosphere ideal for beachgoers and outdoor enthusiasts. With the return of stronger breezes in late September and throughout the fall, May serves as a delightful prelude, offering a tranquil outdoor experience amidst the stunning Dalmatian coastline.

Average May Wind Speed in Omis

The chart displays monthly wind speed patterns in Omis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.33.03.13.0 m/s2.32.52.52.23.03.33.4
Data source: Omis May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Omis Compares to Other Months

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

In May, the weather is significantly warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (78°F), averaging around 17°C (63°F). Humidity levels are moderately high at 78%, and the region experiences about 84 mm (3.3 in) of precipitation over approximately 13 days. In contrast, January presents a much cooler climate, where temperatures can plummet to a minimum of -10°C (15°F) and reach a maximum of 15°C (59°F), averaging only 5°C (42°F). Although January has a slightly higher precipitation level at 101 mm (4.0 in) over 10 days, the humidity is comparable at 83%. For a more detailed view of January weather in this region, refer to Omis weather in January.

May and February present distinctly different weather patterns. In May, temperatures range from a cool 7°C (45°F) to a warm maximum of 26°C (78°F), with an average of 17°C (63°F), indicating the arrival of spring and milder conditions. The month sees about 84 mm (3.3 in) of precipitation over 13 days and maintains a relatively high humidity level of 78%.

In contrast, February experiences colder temperatures, with a minimum of -5°C (23°F) and an average of only 7°C (46°F). Despite having a slightly lower number of rainy days at 11, it accumulates more precipitation than May, totaling 114 mm (4.5 in). The humidity in February is marginally lower at 76%, highlighting the differences in climate as the seasons shift toward spring. For more detailed insights, check out Omis weather in February.

In comparing the weather between March and May, it's clear that May enjoys significantly warmer temperatures, with average highs reaching 26°C (78°F) compared to March's maximum of 19°C (67°F). March starts off much cooler, with minimum temperatures dipping as low as -8°C (18°F), whereas May's temperatures rarely fall below 7°C (45°F). While both months experience some precipitation, March has slightly higher rainfall at 100 mm (3.9 in) over 9 days, compared to May's 84 mm (3.3 in) over 13 days. Additionally, May's humidity is higher at 78% compared to 73% in March. For more details on March weather, visit Omis weather in March.

In comparing the weather patterns of April and May, May tends to be warmer with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (78°F), while April's temperatures range from a chilly 1°C (35°F) to a moderate 24°C (75°F). Although both months experience similar levels of precipitation, with May receiving 84 mm (3.3 in) over 13 days and April slightly more at 89 mm (3.5 in) over 10 days, May's humidity is slightly higher at 78% compared to April's 75%. This shift in weather makes May feel more vibrant and warmer as spring fully emerges. For more details on April's weather, you can visit Omis weather in April.

In May, temperatures range from a cool minimum of 7°C (45°F) to a comfortable average of 17°C (63°F), peaking at 26°C (78°F). The month sees relatively high precipitation at 84 mm (3.3 in) over about 13 days, accompanied by a humidity level of 78%. In contrast, June offers warmer temperatures, with a minimum of 12°C (54°F) and an average of 22°C (71°F), reaching highs of up to 30°C (87°F). Rainfall decreases significantly to 42 mm (1.6 in) over just 7 days, and humidity slightly lowers to 75%. For more detailed insights into the weather conditions during this time, you can check Omis weather in June.

May and July present quite different weather patterns. In May, temperatures range from a cool 7°C (45°F) to a warm 26°C (78°F), with an average of 17°C (63°F). The month is marked by considerable rainfall, totaling 84 mm (3.3 inches) over about 13 days, and the humidity remains relatively high at 78%. In contrast, July features milder conditions with minimum temperatures of 16°C (61°F) and maximums reaching 31°C (89°F), averaging 24°C (75°F). Rainfall is significantly lower, with only 31 mm (1.2 inches) over just four days, and humidity also decreases to 71%. For a detailed look at July weather, you can check Omis weather in July.

May brings a more temperate climate with temperatures ranging from a cool 7°C (45°F) at night to a pleasant 26°C (78°F) during the day, accompanied by higher humidity at 78%. With an average precipitation of 84 mm (3.3 in) spread over 13 days, May tends to be wetter, making it a lush transition into spring. In contrast, August experiences warmer temperatures, with nighttime lows of 15°C (59°F) and daytime highs reaching up to 33°C (92°F). The drier weather in August, featuring only 29 mm (1.2 in) of rainfall over just 5 days and lower humidity at 65%, makes it a popular month for outdoor activities. For more insights on August weather, you can visit Omis weather in August.

May and September present contrasting weather patterns, reflecting the transition between spring and autumn. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 26°C (78°F), with an average of 17°C (63°F). The month is characterized by relatively high humidity at 78% and frequent rain, averaging 84 mm (3.3 in) over about 13 rainy days. In contrast, September offers warmer conditions with a minimum of 10°C (50°F), an average of 20°C (69°F), and a maximum of 30°C (86°F). The humidity drops to 69%, and although precipitation increases slightly to 92 mm (3.6 in), it typically falls over just 7 days, making September a drier month overall. For more detailed insights, you can check Omis weather in September.

In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 26°C (78°F), with an average of 17°C (63°F). During this month, residents experience fairly high humidity at 78%, along with approximately 84 mm (3.3 in) of precipitation spread over 13 days. In contrast, October boasts slightly warmer minimum temperatures at 8°C (46°F) but lower maximum temperatures, reaching only up to 23°C (73°F) and an average of 15°C (60°F). Despite having less frequent rainfall, with precipitation occurring on just 8 days, October receives a total of 109 mm (4.3 in) of rain, accompanied by a humidity level of 76%. For more detailed information, you can visit Omis weather in October.

May and November exhibit distinct weather patterns that highlight their transitional roles within the year. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 26°C (78°F), with average temperatures around 17°C (63°F). The month sees moderate rainfall, totaling 84 mm (3.3 in) over approximately 13 days, and humidity levels hover around 78%. In contrast, November presents a cooler climate, with temperatures ranging from 1°C (34°F) to a maximum of 20°C (68°F) and an average of 12°C (54°F). This month experiences significantly higher precipitation at 238 mm (9.4 in) over about 14 days, along with a slightly increased humidity of 81%. For more details about November conditions, you can check Omis weather in November.

The weather in May is generally mild and pleasant, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (78°F), averaging around 17°C (63°F). Despite a fair amount of precipitation totaling 84 mm (3.3 in) over about 13 days, the humidity remains relatively comfortable at 78%. In contrast, December brings a much cooler climate, with temperatures dipping to a minimum of -1°C (30°F) and reaching a high of only 15°C (59°F), averaging 8°C (46°F). This month experiences significantly higher rainfall, accumulating 230 mm (9.0 in) over 16 days, and the humidity slightly increases to 81%. For more details, check Omis weather in December.

Compare Omis's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Omis

As May ushers in warmer days in Omis, it stands out from the cooler and more variable months that precede it. The average temperature rises notably, creating a pleasant atmosphere perfect for outdoor activities. While this month does experience bouts of rain, leading to a higher number of precipitation days, the overall humidity settles comfortably, offering a refreshing feel after the spring. Compared to the chill of early spring, May beckons residents and visitors alike to embrace the outdoors and enjoy the blossoming scenery. For a deeper understanding of how May fits into the larger climate picture, check out Omis Climate.