Last updated: March 17, 2025
December in Opatija, Croatia brings a cool, damp climate perfect for cozying up by the fire. With maximum temperatures reaching 14°C (58°F) and dipping to a minimum of -2°C (30°F), the average hovers around a brisk 6°C (43°F). Visitors can expect ample rain, with 251 mm (9.9 in) of precipitation across about 14 days, contributing to a remarkably high humidity level of 88%. The enchanting atmosphere, infused with the scent of the sea and the crispness of winter air, makes Opatija an intriguing destination during this season.
In December, Opatija, Croatia, experiences a noticeable dip in temperatures as winter sets in, with minimums averaging around -2°C (30°F). The average temperature hovers at 6°C (43°F), providing a chill that contrasts sharply with the warmth of previous months. Daytime highs reach a modest 14°C (58°F), signaling the end of the mild autumn transition. This time of year marks the shift from the pleasant warmth of fall, with its highs peaking in the low twenties, to the cooler embrace of winter, where the climate invites cozy indoor activities and stunning coastal views braced by crisp air. The gradual cooling trend indicates that December is a time for layering up and enjoying the serene beauty of Opatija's winter landscape.
In December, Opatija, Croatia, experiences a significant peak in precipitation, with 251 mm (9.9 in) of rainfall recorded over 14 days. This makes December one of the wettest months of the year, closely following November's remarkable 254 mm (10.0 in). The trend is clear: as the year wraps up, the coastal town sees an increase in wet weather, making it a stark contrast to the drier summer months, particularly June, which only receives 85 mm (3.3 in) of rainfall. Such patterns highlight the transition from the warmer seasons into the wetter winter months, showcasing Opatija's dynamic climate. As residents and visitors alike prepare for the festive season, the consistent rainfall contributes to the region's lush greenery and vibrant landscapes.
December in Opatija, Croatia, marks a return to elevated humidity levels, with the month registering 88%. This is a notable shift from the summer months, where humidity dipped as low as 51% in August. As the year progresses, the trend shows a steady increase in humidity from the drier summer, peaking in the winter months of October and November before stabilizing again in December. The high humidity in winter months is reminiscent of the low humidity observed in May and June, creating a sharp contrast that highlights the unique climate dynamics of this coastal destination. Overall, December not only maintains high humidity levels but also sets the stage for the wet winter ahead, reminiscent of the atmospheric patterns seen earlier in the year.
In Opatija, Croatia, December ushers in a return to a low UV Index of 2, reminiscent of the winter months, where sun exposure is less intense, allowing for a safer outdoor experience. As the year progresses from January's modest UV levels, we witness a gradual increase through the spring, culminating in the very high UV Index of 9 in the summer. This trend highlights the seasonal ebb and flow of UV radiation, emphasizing the importance of protective measures during the peak months of May to August. As daylight shortens in December, sun-seekers can enjoy longer burn times of 45 minutes, making it an ideal month for leisurely outings without the heightened risk of sunburn. For more detailed information on UV levels year-round, check out Opatija UV Index.
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In December, Opatija experiences a delightful 223 hours of sunshine, bringing a gentle close to the year. This month marks a notable decrease in sunlight compared to the vibrant summer months, with July peaking at 432 hours. As the year progresses from January's 185 hours to December, a clear trend emerges: the longer days of spring and summer gradually give way to the more tempered sunlight of late autumn and winter. Yet, Opatija's December still shines brightly relative to the earlier months, showcasing the region's charm even as winter approaches. With its scenic beauty and milder weather, December remains a captivating time to embrace the soft glow of the sun along the Adriatic coast.
In Opatija, Croatia, the likelihood of sunny weather in December rests at a moderate 39%, which reflects a seasonal trend seen throughout the year. As the coldest months approach, the chances of sunshine dip notably, with November trailing slightly at 34%. This pattern indicates that while December does not offer the same abundance of sun as the spring or summer months—where sunshine probabilities peak at over 60%—it still provides a respectable opportunity for clear days. One can anticipate a blend of winter charm and occasional sunshine, making December a unique time to experience the beauty of Opatija.
As the year winds down in December, Opatija, Croatia experiences a significant reduction in daylight, with just 8 hours of sunshine each day. This marks the culmination of a gradual decline that begins in October, when daylight hours decrease to 10 hours, and continues through the darker months of November. The trend is clear: as the enchanting glow of summer fades, daylight slips away, peaking at 15 hours in June and July. This rhythmic ebb and flow of sunlight not only shapes the seasons but also sets the stage for winter's cozy charm, inviting residents and visitors alike to embrace the lengthy nights filled with festive ambiance.
As December arrives in Opatija, Croatia, the gentle breeze begins to chill, with an average wind speed of 2.7 m/s (6 mph), marking a decline from the brisk winds of autumn. The early winter months witness a subtle decrease in wind speeds, reflecting a shift from the lively gusts of October and November, which averaged 3.9 m/s (9 mph) and 3.6 m/s (8 mph), respectively. This seasonal transition is accompanied by a comforting stillness, a characteristic of December that invites both locals and visitors to enjoy the picturesque coastal scenery. As the winds soften, the charm of Opatija transforms, setting the stage for cozy moments by the sea.
The weather in Opatija changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December'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 December, the weather typically sees milder temperatures, with averages around 6°C (43°F), and a maximum of 14°C (58°F), compared to the colder conditions in January, where the average drops to 4°C (40°F) and the maximum reaches 13°C (56°F). December experiences more significant precipitation, totaling 251 mm (9.9 in) over 14 days, while January sees a marked decrease with 113 mm (4.5 in) over just 9 days of rain. Both months maintain high humidity levels at 88%, but January’s colder minimum temperature of -9°C (16°F) makes it the chillier month overall. For more detailed insights, you can check Opatija weather in January.
December and February offer contrasting winter experiences, despite having similar average temperatures of 6°C (43°F). In December, temperatures can dip as low as -2°C (30°F) and at times reach a maximum of 14°C (58°F), accompanied by substantial precipitation of 251 mm (9.9 in) over 14 days, resulting in a humid atmosphere with 88% humidity. In contrast, February can be colder, with minimum temperatures dropping to -8°C (19°F) and a higher maximum of 21°C (71°F). Precipitation decreases to 194 mm (7.6 in) over 13 days, and humidity is slightly lower at 82%. For a detailed look at February weather trends, visit Opatija weather in February.
December and March exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -2°C (30°F) to a maximum of 14°C (58°F), with an average temperature of 6°C (43°F). This month is characterized by high levels of precipitation at 251 mm (9.9 in), occurring over 14 days, and humidity levels around 88%, creating a damp and chilly atmosphere. In contrast, March sees a broader temperature range, with lows dipping to -9°C (16°F) and highs reaching up to 20°C (68°F), averaging at 8°C (46°F). Precipitation is less frequent and amounts to 133 mm (5.2 in) over 11 days, accompanied by a lower humidity level of 73%. For more detailed information, you can visit Opatija weather in March.
Comparing the weather in December and April reveals some notable differences. In December, temperatures range from a chilly -2°C (30°F) to a mild average of 6°C (43°F), with a maximum of 14°C (58°F). Additionally, the month is characterized by significant precipitation, totaling 251 mm (9.9 in) over approximately 14 days, and high humidity levels at 88%. In contrast, April experiences warmer temperatures, with a minimum of -1°C (31°F) and an average of 12°C (53°F), peaking at 23°C (73°F). Precipitation decreases to 133 mm (5.2 in) over about 10 days, and humidity levels lower to 73%. For more specifics on April weather, you can check Opatija weather in April.
December and May present quite contrasting weather conditions. In December, temperatures range from a chilly -2°C (30°F) at night to a maximum of 14°C (58°F) during the day, with an average of 6°C (43°F). This month experiences significant precipitation, totaling 251 mm (9.9 in) over 14 days, accompanied by high humidity levels of 88%. In stark contrast, May warms up with nighttime lows of 6°C (43°F) and daytime highs reaching 26°C (79°F), averaging 16°C (61°F). Although May also experiences precipitation, it is less intense at 184 mm (7.2 in) across 18 days and features a lower humidity of 70%. This makes May feel significantly more pleasant compared to the dreary and cold December weather. For more detailed insights on May's climate, check out Opatija weather in May.
December and June present distinctly contrasting weather patterns. In December, temperatures often dip as low as -2°C (30°F), with an average of 6°C (43°F) and highs reaching up to 14°C (58°F). The month is characterized by significant precipitation, averaging 251 mm (9.9 in), distributed over about 14 days, accompanied by high humidity at 88%. In stark contrast, June ushers in warmer conditions with minimum temperatures around 11°C (52°F) and average highs of 21°C (70°F), climbing to a peak of 35°C (95°F). The rainfall is considerably less in June, averaging 85 mm (3.3 in) over just 9 days, and humidity starts to drop to around 69%. For those interested in more specifics, feel free to explore Opatija weather in June.
When comparing the weather in December and July, the differences are striking. December experiences much colder temperatures, with a minimum of -2°C and an average of 6°C, while July boasts a much warmer range, starting at a minimum of 15°C and averaging 23°C. Precipitation is significantly higher in December, accumulating 251 mm over 14 days, contrasting with July's 86 mm over just 11 days. Additionally, December's humidity level is notably higher at 88%, compared to July's 63%. For more details on July weather, you can visit Opatija weather in July.
December and August present strikingly contrasting weather conditions. In December, temperatures can drop as low as -2°C (30°F), with an average of 6°C (43°F) and a maximum reaching 14°C (58°F). This month is marked by high humidity at 88% and considerable precipitation, totaling 251 mm (9.9 in) over about 14 days. In contrast, August is warm and pleasant, with minimum temperatures of 14°C (58°F), averaging 23°C (74°F), and highs can soar up to 32°C (90°F). The humidity is significantly lower at 51%, and precipitation amounts are much less, at 92 mm (3.6 in) over just 9 days. For more detailed insights into August weather, you can visit Opatija weather in August.
December weather contrasts significantly with that of September. During December, temperatures can drop to a chilling minimum of -2°C (30°F) and only reach a maximum of 14°C (58°F), with an average of 6°C (43°F). The month is characterized by high humidity at 88% and substantial precipitation, totaling 251 mm (9.9 in) over about 14 rainy days. In comparison, September enjoys milder temperatures, with a minimum of 8°C (47°F) and a pleasant maximum of 29°C (85°F), averaging around 19°C (66°F). The precipitation is also lower, at 234 mm (9.2 in), over just 12 days, along with a significantly lower humidity level of 64%. For more information, check out Opatija weather in September.
When comparing the weather in December and October, it’s clear that December tends to be significantly colder, with average temperatures ranging from a chilly -2°C (30°F) at night to a maximum of 14°C (58°F) during the day. In contrast, October enjoys much milder temperatures, with averages between 5°C (42°F) and 24°C (76°F). Additionally, December experiences higher precipitation, with 251 mm (9.9 in) falling over 14 days, while October sees 196 mm (7.7 in) over just 11 days. The humidity also rises slightly in December to 88%, compared to 83% in October. For a more detailed look at October weather, check out Opatija weather in October.
In comparing the weather of December to November, December tends to be colder, with average temperatures ranging from a minimum of -2°C (30°F) to a maximum of 14°C (58°F), whereas November's temperatures are milder, with a minimum of 1°C (33°F) and a maximum of 19°C (66°F). Both months experience significant precipitation, with December receiving 251 mm (9.9 in) and November slightly higher at 254 mm (10.0 in), both spread over 14 days. Humidity levels remain comparable, with December at 88% and November at 89%. For a more detailed analysis, you can check out Opatija weather in November.
As December settles over Opatija, the weather takes a distinct turn, combining cooler temperatures and increased precipitation that sets it apart from other months. With maximums reaching only 14°C and minimums occasionally dipping to -2°C, this month is certainly chillier, inviting visitors to bundle up. Additionally, December brings a significant amount of rainfall, with over 250 mm typically spread across about half the month, fostering a lush landscape amidst the winter atmosphere. Combine this with a high humidity level of 88%, and you have a unique and refreshing experience perfect for those seeking a tranquil escape. For a more in-depth look at Opatija's weather trends, visit Opatija Climate.