Last updated: February 6, 2025
In December, Istro experiences a mild winter climate, with temperatures ranging from a maximum of 19°C (67°F) to a minimum of 9°C (48°F), leading to an average temperature of 15°C (59°F). The month typically sees 51 mm (2.0 in) of precipitation spread over 8 days, contributing to a humidity level of around 72%. This combination of moderate temperatures and occasional rain creates a refreshing atmosphere, making December a unique time to explore the charms of this coastal region.
In Istro, Greece, December ushers in the winter season with a noticeable drop in temperatures, yet it retains a mild charm. The month features a minimum temperature of 9°C (48°F), providing a crispness in the air that contrasts with the more moderate averages of previous months. As the average temperature hovers around 15°C (59°F), it’s easy to enjoy serene walks along the coast, as the weather remains pleasant even though summer's warmth has faded. The maximum temperature reaches 19°C (67°F), making December a comfortable choice for those looking to escape harsher winter climates. This combination of mild weather and stunning scenery creates an inviting atmosphere, perfect for exploring the beauty of Istro as it beautifully transitions into the colder season.
In December, Istro, Greece, experiences a notable uptick in precipitation, with an impressive 51 mm (2.0 in) falling across 8 days. This increase marks a departure from the drier summer months, where rainfall dwindled to nearly negligible levels, with July and August recording just 2 mm (0.1 in) and 1 mm (0.1 in), respectively. As autumn transitions into winter, December's rainfall not only revitalizes the landscape but also reflects a trend of heightened moisture that begins in November, where 41 mm (1.6 in) was recorded over 5 days. This pattern suggests a shift to wetter conditions as the year closes, bringing much-needed hydration to the region and setting the stage for the cooler months ahead.
In Istro, Greece, December marks a return to the cooler, drier air of late autumn, with humidity levels settling at 72%—on par with the preceding winter months of January and February. This modest figure reflects a gradual decline from the peak humidities experienced during the warmer spring and summer months, where humidity reached a high of 85% in May. As the year progresses, a trend emerges: spring and early summer see increased moisture, while late autumn brings a refreshing decrease, creating a comfortable atmosphere for winter wanderings. Thus, December's humidity strikes a balance, maintaining a crispiness in the air while foreshadowing the upcoming winter chill.
As December rolls into Istro, Greece, the UV Index returns to a more moderate level of 3, providing a gentle reprieve from the extreme levels experienced in the summer months. This drop in UV intensity means that sun exposure is safer, with a typical burn time extending back to 30 minutes, allowing for leisurely outdoor activities without the immediate risk of sunburn. The trend from higher UV indexes in the warmer months—peaking at a notable 11 in June—demonstrates how seasons influence sun safety, reminding residents and visitors alike to stay informed year-round. As you enjoy the milder winter sun, it's essential to remain aware of your exposure, and for more detailed information, check the Istro UV Index.
UV Risk Categories
In December, Istro, Greece, continues to bask in the warm glow of the Mediterranean sun, with 268 hours of sunshine illuminating the charming coastal village. As the year winds down, this month still offers a considerable amount of sunlight, reminding visitors of the brighter days ahead. Notable trends emerge when you compare December's sunshine to earlier months: while it may not rival the peak of July with its impressive 422 hours, it still maintains a delightful consistency similar to January and November. This steady decline from the summer months, marked by vibrant sunny days, hints at a gradual shift towards winter, making December an ideal time for those seeking a milder climate and fewer crowds. Whether it’s leisurely strolls along the beach or cozy afternoons in local tavernas, this month offers a unique blend of tranquil ambiance and sun-soaked charm that is unmistakably Istro.
In Istro, Greece, the likelihood of sunny weather reveals notable trends throughout the year. As we transition from the chilly depths of winter in January and February, where sunshine chances are around 50% and 70% respectively, the prospects improve markedly with the arrival of spring. By April and May, the sun shines more brightly, peaking at an impressive 83% chance. The glorious summer months of June through August boast almost guaranteed sunshine, with probabilities soaring to 92% and even 99%. However, as autumn sets in, the likelihood begins to wane, hitting a 48% low in November. Fortunately, December offers a modest recovery, showcasing a 55% chance of sunlight, making it an inviting time for those seeking to escape the winter chill.
In Istro, Greece, the rhythm of the seasons is beautifully reflected in the town's daylight duration. As winter's chill sets in, December offers just 9 hours of daylight, marking the year's shortest days. This decline is part of a gradual decrease that begins in late autumn, with daylight peaking at 14 hours during the vibrant summer months of June, July, and August. Following this summer glow, the transition into autumn sees daylight tapering off, dropping to 12 hours in September and further to 10 hours by November. The shift from 11 hours in October to December’s 9 hours signals the onset of winter, a time when Istro embraces the cozy charm of shorter days, inviting tranquil moments under the soft winter sun.
As December arrives in Istro, Greece, a notable shift in the wind begins to weave through the coastal landscape. The average wind speed gently climbs to 6.0 m/s (13 mph), marking it as one of the breezier months of the year. This increase contrasts with the calmer summer months of May and June, where winds dipped to around 3.7 m/s (8 mph). Interestingly, while the warmer months typically offer lighter breezes, the transition to winter revitalizes the air with invigorating gusts, reminiscent of spring's awakening. As the year closes, this refreshing December wind not only sets a lively tone but also heralds the changing seasons, bringing a touch of briskness to the serene beauty of Istro’s coastline.
The weather in Istro 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 Istro and find detailed weather information for every month.
In December, the weather tends to be slightly milder, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 19°C (67°F). This month experiences around 51 mm (2.0 in) of precipitation over approximately 8 days, alongside a humidity level of 72%. In contrast, January sees a drop in the minimum temperature, reaching 4°C (40°F) but maintaining the same maximum temperature of 19°C (66°F). January also has a slightly lower average temperature of 12°C (54°F) and less precipitation at 42 mm (1.7 in), while still experiencing rain on about 8 days and consistent humidity at 72%. For more details on January weather, visit Istro weather in January.
In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 19°C (67°F), with an average of 15°C (59°F). The month sees about 51 mm (2.0 in) of precipitation over approximately 8 days. In contrast, February tends to be slightly cooler, with minimum temperatures dropping to 6°C (43°F) and a maximum of 17°C (64°F), averaging 13°C (55°F). Precipitation decreases to about 41 mm (1.6 in) over 6 days, yet humidity remains consistent at 72% in both months. For more detailed insights about February weather, you can check Istro weather in February.
December and March both feature mild temperatures, but December tends to be slightly warmer on average. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 19°C (67°F), while March sees a lower minimum of 5°C (42°F) and a maximum of 18°C (65°F). Precipitation levels are also different, with December experiencing more rainfall at 51 mm (2.0 in) over 8 days compared to March's 36 mm (1.4 in) over just 5 days. Interestingly, March has a higher humidity level at 75%, compared to December's 72%. For more detailed insights into weather conditions, you can refer to Istro weather in March.
In December, the weather shows a milder range with average temperatures hovering around 15°C (59°F), while the maximum can reach 19°C (67°F). The month tends to be quite humid at 72%, and there are about 8 days of precipitation, accumulating to 51 mm (2.0 in). In contrast, April experiences a slightly warmer minimum temperature of 10°C (49°F) and a higher maximum of 24°C (76°F). The average temperature remains similar at 15°C (60°F), but with significantly less rainfall, totaling only 18 mm (0.7 in) over just 2 days, accompanied by a higher humidity level of 79%. For more details about April weather conditions, check out Istro weather in April.
In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 19°C (67°F), with an average of 15°C (59°F). The month experiences approximately 51 mm (2.0 in) of precipitation over 8 days, and humidity levels are around 72%. In contrast, May offers a warmer climate, with temperatures starting at a minimum of 14°C (57°F) and reaching up to 30°C (86°F), averaging at 19°C (67°F). Precipitation in May is significantly lower at just 18 mm (0.7 in) across only 2 days, while humidity rises to 85%. For more specifics on May weather in this region, check out Istro weather in May.
December and June offer starkly contrasting weather conditions. In December, temperatures range from a mild minimum of 9°C (48°F) to a max of 19°C (67°F), with an average of 15°C (59°F). The month sees around 51 mm (2.0 in) of precipitation over 8 days, accompanied by a humidity level of 72%. In contrast, June boasts much warmer temperatures, with a minimum of 17°C (62°F) and a maximum reaching up to 32°C (89°F), averaging 23°C (73°F). Precipitation drops significantly to just 9 mm (0.3 in) over only 1 day, while humidity rises to 84%. For more details on June weather, check out Istro weather in June.
December weather is markedly cooler compared to the warm temperatures of July. During December, temperatures range from a minimum of 9°C (48°F) to a maximum of 19°C (67°F), with an average temperature of 15°C (59°F). The month also sees a fair amount of precipitation, totaling 51 mm (2.0 in) over about 8 days, while maintaining a humidity level of 72%. In contrast, July's weather is characterized by significantly higher temperatures, with minimums around 21°C (70°F), averages of 25°C (78°F), and maximums reaching up to 34°C (94°F). Precipitation is minimal in July, with only about 2 mm (0.1 in) recorded over 0 days, alongside a higher humidity level of 83%. For more details on July weather, you can refer to Istro weather in July.
In December, the weather is considerably cooler, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 19°C (67°F), averaging around 15°C (59°F). This month also sees an average of 51 mm (2.0 in) of precipitation over about 8 days, accompanied by a humidity level of 72%. In stark contrast, August boasts significantly warmer temperatures, with a minimum of 22°C (72°F) and a maximum reaching 32°C (89°F), averaging 26°C (79°F). Remarkably, August experiences just 1 mm (0.1 in) of precipitation over 0 days, and the humidity is slightly higher at 81%. The striking differences in temperature and precipitation highlight how distinct the weather is between these two months. For more detailed information about the weather during this time, check out Istro weather in August.
The weather in December is notably cooler than in September, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 19°C (67°F), compared to September's milder range of 19°C (67°F) to 30°C (87°F). While December experiences moderate precipitation of 51 mm (2.0 in) over 8 days, September remains quite dry, with only 6 mm (0.2 in) of rain falling on just 1 day. Furthermore, humidity levels are slightly lower in December at 72%, compared to September's higher humidity of 80%. For a more detailed look at September weather in this region, you can check Istro weather in September.
In comparing the weather between December and October, we see a notable shift in temperatures and precipitation patterns. October boasts warmer temperatures, with averages around 21°C (70°F) and maximums reaching up to 29°C (84°F). In contrast, December experiences cooler conditions, with average temperatures declining to about 15°C (59°F) and maximums peaking at 19°C (67°F). Additionally, October is relatively dry, with only 16 mm (0.6 in) of precipitation over three days, while December sees increased rainfall, totaling 51 mm (2.0 in) across eight days. Humidity also varies slightly, being higher in December at 72% compared to October's 77%. For a closer look at the weather in October, check out the details here: Istro weather in October.
In comparing the weather between November and December, December tends to be cooler, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 19°C (67°F), while November boasts warmer average temperatures, peaking at 24°C (76°F). Additionally, December experiences slightly more precipitation, totaling 51 mm (2.0 in) over 8 days, compared to November’s 41 mm (1.6 in) over just 5 days. Despite the marginally lower humidity in December at 72%, both months remain relatively humid, with November at 73%. For a more detailed breakdown of November's weather, you can check Istro weather in November.
As December settles in Istro, the weather begins to shift, showcasing a milder climate compared to the sweltering summer months. Daytime temperatures hover around a comfortable 15°C (59°F), offering a pleasant respite with a maximum reaching 19°C (67°F). While the nights can be cooler, dropping to around 9°C (48°F), the overall atmosphere is characterized by higher humidity levels at 72%. Though December experiences a bit of rain, with 51 mm (2.0 in) across about 8 days, this doesn't overshadow the charm of the season. For a deeper dive into what to expect throughout the year, visit Istro Climate.