Last updated: March 17, 2025
Opatija in May boasts a vibrant climate characterized by a maximum temperature reaching 26°C (79°F) and a gentle average of 16°C (61°F), creating a pleasant atmosphere for visitors. While the month welcomes warmer days, it also experiences significant rainfall, with 184 mm (7.2 in) spread across approximately 18 days, contributing to the lush greenery that defines this Adriatic gem. Humidity levels hover around 70%, adding a refreshing touch to the coastal air. Perfect for exploring Opatija's stunning landscapes, May is an ideal time to experience the beauty and charm of this Croatian haven.
May in Opatija, Croatia, marks a delightful transition into warmer weather, with temperatures reflecting the vibrant spirit of spring. Minimum temperatures rise to a comfortable 6°C (43°F), while the average settles around a pleasant 16°C (61°F), inviting outdoor exploration and leisure. The peak of the month sees max temperatures reaching up to 26°C (79°F), providing the perfect backdrop for sun-soaked afternoons by the Adriatic Sea. This upward trend from the cooler spring months highlights May as an ideal time for visitors seeking mild weather and blooming landscapes, setting the stage for a glorious summer ahead.
In May, Opatija experiences a notable increase in precipitation, with 184 mm (7.2 in) of rain recorded over 18 days. This marks a distinct uptick from the preceding months, reflecting the transition into the wetter season as spring unfolds. With each rainy day contributing to the lush surroundings, May's precipitation sets the stage for the vibrant blooms and verdant landscapes characteristic of the region. The rainfall serves not only to nourish the flora but also enhances the area's serene beauty, making it an ideal time for nature enthusiasts to explore the breathtaking coastal scenery and vibrant gardens. As summer approaches, the precipitation begins to taper off, giving way to the drier months ahead, yet May remains one of the key players in Opatija's annual weather pattern.
As spring fades into summer, May in Opatija reveals a notable drop in humidity, measuring at 70%. This decline continues a trend observed since the winter months, where humidity levels were considerably higher, peaking at 88% in January and gradually decreasing to 73% by April. By May, residents and visitors alike can enjoy a more comfortable atmosphere, paving the way for the warm, inviting days of June when humidity is expected to lessen even further to 69%. This gradual decrease not only signals a shift towards sunnier days but also enhances the overall charm of Opatija’s stunning coastal landscape, making it an alluring destination for those seeking to relish the Mediterranean climate.
As May arrives in Opatija, Croatia, the UV Index soars to 8, marking a shift to a very high exposure category with a burn time of just 15 minutes. This sharp increase from April's UV Index of 6 serves as a reminder that sun protection is crucial as summer approaches. The trend is evident as we transition from the cooler months—where January and February record low to moderate UV levels—to the high indices of late spring and early summer. By June and July, the UV Index peaks at 9, indicating that outdoor enthusiasts should take extra precautions to shield themselves from intense sun exposure. As you enjoy the beautiful Mediterranean landscape, remember to stay informed about the changing UV trends by checking the Opatija UV Index.
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May in Opatija, Croatia, heralds the arrival of warmth and an embrace of longer days, with an impressive 384 hours of sunshine that outshine the earlier months. This vibrant bloom of sunlight follows a steady upward trend from the year's beginning, where January marks a modest 185 hours. As spring unfolds, sunshine steadily increases; by April, the hours reach 349, setting the stage for May's radiant burst. The continued ascent into June, with 420 hours, underscores the allure of Opatija as a coastal paradise, perfect for outdoor adventures. The sunlit days invite locals and visitors alike to revel in the beautiful landscapes and warm sea breezes, culminating in a quintessential Mediterranean experience that begins to flourish in May.
As May unfolds in Opatija, Croatia, the chance of sunshine remains steady at 39%, reflecting a transitional phase from the cooler spring months to the warmer approach of summer. Although this probability mirrors that of April, it is notably higher than the relatively gloomy winter months of January and February, which boast chances of 28% and 37% respectively. Looking ahead, June brings a promising increase to 57%, setting the stage for a sunnier summer. Thus, while May may not be the sunniest month, it signals the clear skies ahead, enticing visitors with the allure of warmer days on the horizon.
As spring unfolds in Opatija, Croatia, daylight duration begins to climb, with May basking in a generous 14 hours of sunlight. This marks a significant increase from January's mere 9 hours, highlighting a clear upward trend as the year progresses. The longer days of late spring not only enhance the natural beauty of this coastal gem but also invite outdoor activities and exploration. Following May, the daylight peaks in June and July, offering 15 hours of radiant sunlight, before gradually tapering off again as autumn approaches. This cyclical rhythm of light creates a vibrant seasonal tapestry, encouraging both locals and visitors to relish in the sun-drenched days of Opatija.
In May, Opatija enjoys a mild breeze, with an average wind speed of 3.0 m/s (7 mph), maintaining a pleasant atmosphere that complements the blossoming landscape. This consistent wind pattern, akin to the earlier months of April and February, signifies a gentle transition as the region nears the warmer summer months. Interestingly, the winds start to taper off in June, dipping to 2.2 m/s (5 mph), suggesting that the refreshing breezes of spring make way for the calmer, warmer days ahead. Overall, May stands out as a harmonious blend of comfortable temperatures and soft winds, creating an inviting environment for visitors and locals alike.
The weather in Opatija 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 Opatija and find detailed weather information for every month.
In May, Opatija experiences a pleasant transition into warmer weather, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 26°C (79°F) and an average of 16°C (61°F). This month typically sees 184 mm (7.2 in) of precipitation spread over 18 days, accompanied by a moderate humidity level of 70%. In stark contrast, January is much colder, with temperatures dropping to a minimum of -9°C (16°F) and peaking at 13°C (56°F), averaging just 4°C (40°F). The winter month has less precipitation, totaling 113 mm (4.5 in) over only 9 days, but humidity is higher at 88%. For a more in-depth look at January's weather, you can visit Opatija weather in January.
In comparing the weather between May and February, significant differences in temperature and humidity are evident. May experiences milder temperatures, with a minimum of 6°C (43°F) and an average of 16°C (61°F), reaching up to a maximum of 26°C (79°F). Conversely, February is notably colder, with temperatures dropping as low as -8°C (19°F) at night, and peaking at 21°C (71°F) during the day. Precipitation is also considerable in both months, with May receiving 184 mm over 18 days, slightly less than February's 194 mm across 13 days. Additionally, February tends to be more humid, with levels reaching 82% compared to May's 70%. For more details, you can explore the Opatija weather in February.
May offers a much warmer climate compared to March, with average temperatures rising from 8°C (46°F) in March to a pleasant 16°C (61°F) in May. While March experiences a maximum temperature of 20°C (68°F), May can reach up to 26°C (79°F), making it ideal for outdoor activities. However, May also sees more precipitation, with 184 mm (7.2 in) over 18 days, compared to March's 133 mm (5.2 in) over 11 days. The humidity remains fairly consistent, slightly decreasing from 73% in March to 70% in May. For more details on March weather, you can visit Opatija weather in March.
In comparing the weather between April and May, we observe notable differences in both temperature and precipitation. May sees a significant rise in temperatures, with a minimum of 6°C (43°F) and an average of 16°C (61°F), compared to April’s minimum of -1°C (31°F) and an average of 12°C (53°F). However, May also brings increased precipitation, accumulating 184 mm (7.2 in) over 18 days, while April records 133 mm (5.2 in) over just 10 days. Humidity remains relatively high in both months, with May averaging 70% and April at 73%. For more detailed insights, you can check Opatija weather in April.
May and June showcase a significant transition in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 26°C (79°F), with an average of 16°C (61°F). The month is characterized by high precipitation levels, totaling 184 mm (7.2 in) over approximately 18 days, resulting in a humidity of around 70%. In contrast, June experiences warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching 35°C (95°F), averaging 21°C (70°F). Notably, precipitation drops to 85 mm (3.3 in) over just 9 days, and humidity slightly decreases to 69%. This shift marks a move towards drier and hotter conditions as summer approaches. For more details on the weather specifically in Opatija, you can check Opatija weather in June.
In May, temperatures fluctuate from a chilly 6°C (43°F) at night to a comfortable average of 16°C (61°F) during the day, peaking at 26°C (79°F). However, this month is characterized by significant rainfall, totaling 184 mm (7.2 in) over 18 days, with humidity levels around 70%. In contrast, July experiences a more stable and warmer climate, featuring minimum temperatures of 15°C (59°F) and an average of 23°C (73°F), reaching highs of 31°C (88°F). Precipitation drops considerably to 86 mm (3.4 in) over just 11 days, and humidity decreases to 63%, making it a drier and more pleasant month overall. For more specific details about the weather in July, you can visit Opatija weather in July.
May and August exhibit stark contrasts in weather conditions. In May, temperatures range from a chilly 6°C (43°F) to a comfortable 26°C (79°F), with an average of 16°C (61°F). This month also sees considerable precipitation, totaling 184 mm (7.2 in) over 18 days, coupled with a higher humidity level of 70%. In contrast, August boasts much warmer temperatures, with lows of 14°C (58°F) and highs reaching up to 32°C (90°F), averaging 23°C (74°F). Additionally, it is significantly drier, with only 92 mm (3.6 in) of rain over 9 days and a lower humidity of 51%. For a more detailed look at the weather in August, check out Opatija weather in August.
In comparing the weather between May and September, we see a notable shift in temperature and precipitation patterns. May offers a cooler climate with temperatures ranging from a low of 6°C (43°F) to a high of 26°C (79°F) and an average of 16°C (61°F), accompanied by substantial rainfall of 184 mm (7.2 in) over 18 days, resulting in higher humidity at 70%. In contrast, September warms up slightly, with temperatures starting at a minimum of 8°C (47°F) and reaching a maximum of 29°C (85°F), averaging around 19°C (66°F). However, it also brings increased precipitation, totaling 234 mm (9.2 in) over just 12 days but lower humidity at 64%. For a more detailed overview of September's weather, you can check Opatija weather in September.
May and October present distinct weather patterns, reflecting the transition between spring and autumn. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 26°C (79°F), with an average of 16°C (61°F) and 184 mm (7.2 in) of precipitation over about 18 days, as humidity sits at 70%. In contrast, October experiences slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 24°C (76°F), averaging 14°C (58°F). Rainfall increases marginally to 196 mm (7.7 in) but occurs over fewer days, approximately 11. Additionally, the humidity is higher in October at 83%, making the air feel more damp. For more detailed information, you can visit Opatija weather in October.
May and November present distinct weather patterns, showcasing the transition from spring to late autumn. In May, temperatures range from a mild minimum of 6°C (43°F) to a pleasant maximum of 26°C (79°F), with an average of 16°C (61°F). The month experiences considerable precipitation, totaling 184 mm (7.2 in) over 18 days, and the humidity averages around 70%. In contrast, November sees a drop in temperatures, with a minimum of 1°C (33°F) and an average of 10°C (50°F), peaking at 19°C (66°F). This month is wetter, with 254 mm (10.0 in) of rainfall over 14 days, and a higher humidity of 89%. Such differences highlight the more temperate feel of May compared to the cooler, wetter atmosphere of November. For a more detailed look at November’s weather, check out Opatija weather in November.
In May, the weather is generally milder, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 26°C (79°F) and an average of 16°C (61°F). The month sees about 184 mm (7.2 in) of precipitation over 18 days, accompanied by a humidity level of 70%. In contrast, December brings much cooler temperatures, with lows dipping to -2°C (30°F), an average of 6°C (43°F), and highs of only 14°C (58°F). Additionally, December experiences higher precipitation at 251 mm (9.9 in) over 14 days, along with increased humidity at 88%. For more details on December weather, visit Opatija weather in December.
As May arrives in Opatija, the weather begins to transition into a more favorable climate, offering a refreshing break from the chill of earlier months. With maximum temperatures soaring to 26°C (79°F), the month showcases the budding warmth of spring, characterized by an average of 16°C (61°F) that invites locals and visitors alike to enjoy the outdoors. However, the increased humidity level and frequent rain, averaging 18 days of precipitation, add an element of unpredictability that sets May apart from the drier summer months to come. For those seeking to explore Opatija during this vibrant season, understanding its unique climate nuances is essential. Dive deeper into the local climate details at Opatija Climate.