December Weather in Cozia, Romania

Last updated: August 27, 2025

December in Cozia, Romania showcases a diverse range of winter weather, characterized by a maximum temperature of 16°C (61°F) and an average of 3°C (38°F). As the month progresses, the chill intensifies, with lows dropping to a brisk -11°C (13°F). Expect 66 mm (2.6 in) of precipitation spread across 9 days, contributing to a high humidity level of 90% that blankets the landscape in a frosty embrace. This blend of temperatures and moisture creates a captivating winter atmosphere, highlighting the scenic beauty of Cozia during the festive season.

December Temperature in Cozia

In Cozia, Romania, December ushers in a noticeable chill as temperatures begin to dip significantly compared to the milder months prior. With minimums reaching -11°C (13°F) and average highs around 3°C (38°F), the month signals the transition into winter. The maximum temperatures can still peek at 16°C (61°F), offering fleeting moments of warmth amidst the cold. As December progresses, the overarching trend reflects the region’s descent from autumn's comfortable coolness to winter’s crisp embrace, evoking a cozy atmosphere perfect for enjoying the stunning winter landscapes that Cozia has to offer.

December Weather in Cozia: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cozia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cozia, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec333945556573777869574638
Data source: Temperature data for Cozia 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.

December Precipitation in Cozia

December in Cozia, Romania, marks a notable transition in precipitation patterns, with an average of 66 mm (2.6 in) of rainfall over 9 days. This increase in precipitation sets the stage for the winter season, positioning December as one of the wetter months of the year. Unlike the preceding months, where rainfall was comparatively lower, December's totals reflect a shift towards more consistent moisture. As temperatures drop, the combination of increased precipitation and shorter days contributes to the region's picturesque winter landscapes, making it a charming time to experience the serene beauty of Cozia.

December Precipitation Trends in Cozia

The chart displays monthly precipitation patterns in Cozia, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Cozia, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec494363357568582712575466
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cozia

In Cozia, Romania, the humidity levels throughout the year exhibit a distinct trend, culminating in December with a notable humidity of 90%. As the seasons transition, we observe a gradual decline from the damp winter months, where January boasts a peak of 91%, through the slightly milder conditions of spring and summer. The humidity hits its lowest in August at 51%, giving way to a slight increase as autumn approaches. By late fall, humidity surges back up, reaching 88% in November, before settling at a high of 90% in December. This pattern highlights a notable seasonal rhythm, where the winter months consistently embrace higher humidity levels, shaping the region's atmospheric character.

December Average Humidity in Cozia

This chart illustrates the average monthly humidity levels in Cozia, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Cozia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%86%83%74%70%67%65%51%58%80%88%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cozia

In Cozia, Romania, the UV Index experiences a notable shift throughout the year, revealing distinct seasonal trends. December marks a return to a low UV Index of 2, which allows for a comfortable exposure time of 45 minutes before sunburn becomes a concern. This gradual decrease in UV intensity follows the peak summer months, where values soared to 9 in June and July, classifying them as very high, with a significantly reduced burn time of just 15 minutes. Conversely, as we transition through the year, the index fluctuates from moderate levels in early spring and late autumn to high during the more sun-drenched months, peaking in May and June. For those seeking detailed insights into the UV exposure in Cozia, check out Cozia UV Index.

Maximum UV Index Levels in Cozia for December

The chart shows the monthly maximum UV Index (UVI) for Cozia in December, 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. In December, the maximum UV index in Cozia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Cozia December 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.

December Sunshine in Cozia

In Cozia, Romania, December brings a gentle transition into winter with an average of 191 hours of sunshine. This month sees a slight uptick in sunshine from November's 178 hours, hinting at the last vestiges of autumn's warmth. As the year progresses from January's meager 164 hours to the sun-drenched peaks of summer, the trend illustrates a steady increase in daylight hours. Notably, while December may herald the arrival of colder weather, it retains a bit of the bright spirit seen earlier in the year, offering cozy moments under sunlit skies before winter fully takes hold. Embracing both the chill and the sun, December stands as a bridge, celebrating the fading light in its own enchanting way.

Monthly Sunshine Duration in Cozia: December Highlighted

The December sunshine duration represents the total number of hours Cozia experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec164h222h291h344h394h405h424h403h340h284h178h191h
Data source: Cozia December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cozia During December

In Cozia, Romania, December ushers in a modest chance of sunshine, with only 33% likelihood, which reflects a notable downturn from the sunniest months of summer. As the year progresses toward winter, the sun's appearances become increasingly scarce, dropping from a high of 74% in August to a mere 22% in November. This trend highlights a clear seasonal shift, where the warmth and brightness of July and August give way to the cooler, cloudier days of December. While the holiday season may bring festive cheer, those seeking sunny skies during this month might want to temper their expectations as they prepare for the more overcast conditions characteristic of late autumn in Cozia.

Percentage of Sunny Days in December in Cozia

The chart illustrates the percentage of sunny days in Cozia throughout the year, with December 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 Cozia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%44%47%45%51%54%70%74%59%47%22%33%
Data source: Cozia December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cozia in December

In Cozia, Romania, the daylight duration takes a fascinating journey throughout the year. As the year begins in January with 9 hours of daylight, the days gradually elongate, peaking at 15 hours during the summer months of June and July. This expansive daylight not only invites outdoor activities but also showcases the beauty of Cozia's natural landscapes. However, as autumn approaches, the daylight hours begin to wane, dipping back to 9 hours in November. By December, the sun graces the region for just 8 hours, marking the shortest days of the year. This cyclical pattern of increasing and decreasing daylight creates a rhythm that reflects the changing seasons, enhancing the charm of Cozia's environment throughout the year.

Average Daylight Hours in Cozia for December

The chart illustrates the variation in daylight duration in Cozia throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 16m10h 27m11h 56m13h 28m14h 46m15h 26m15h 5m13h 56m12h 28m10h 56m9h 36m8h 54m
Data source: Cozia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Cozia

As December arrives in Cozia, Romania, the landscape is kissed by a refreshing average wind speed of 3.0 m/s (7 mph), marking a notable trend compared to the preceding months. Throughout the year, wind speeds have fluctuated, generally ranging from 2.2 m/s to 3.0 m/s, but December's gusts stand out with increased vigor, aligning with the transitional embrace of winter. This slight uptick hints at a shift in the seasonal winds, bringing a crisp chill that invigorates the air and signals the upcoming cold months. Following the relatively calm breezes of late autumn, December's breezes are a reminder of nature's dynamic rhythm, offering a refreshing taste of the winter season to those who experience it.

Average December Wind Speed in Cozia

The chart displays monthly wind speed patterns in Cozia, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.43.02.93.02.22.92.72.92.92.73.0 m/s
Data source: Cozia December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Cozia Compares to Other Months

Weather in Cozia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cozia, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January exhibit notable differences in weather patterns despite both being winter months. December sees a wider temperature range with a minimum of -11°C (13°F) and a maximum reaching 16°C (61°F), yielding an average temperature of around 3°C (38°F). In contrast, January has lower minimum temperatures at -17°C (1°F), with an average of 1°C (34°F) and a maximum of 15°C (60°F). Precipitation is generally higher in December at 66 mm (2.6 in) over 9 days compared to January's 49 mm (1.9 in) over 8 days. Humidity levels remain relatively high in both months, at 90% in December and 91% in January, contributing to the overall chilly atmosphere. For more detailed information, check out Cozia weather in January.

In December, the weather is characterized by a wide temperature range, experiencing minimums of -11°C (13°F) and maximums that can reach up to 16°C (61°F), with an average temperature of around 3°C (38°F). The month is relatively humid, with a 90% humidity level and a total precipitation of 66 mm (2.6 in) over 9 days. In contrast, February experiences slightly colder temperatures, with a minimum of -15°C (5°F) and a maximum of 20°C (68°F), while the average temperature remains close at 4°C (39°F). February sees less precipitation at 43 mm (1.7 in) over 8 days and a slightly lower humidity of 86%. For more details on February weather, you can check Cozia weather in February.

December and March present contrasting weather patterns, despite their proximity in the annual calendar. In December, temperatures can drop as low as -11°C (13°F) but average around 3°C (38°F), peaking at 16°C (61°F). This month also experiences a relatively high humidity of 90% and receives about 66 mm (2.6 in) of precipitation over 9 days. In comparison, March sees a slight drop in minimum temperature to -12°C (10°F), but the average rises to 7°C (46°F), with a maximum reaching up to 25°C (78°F). Precipitation levels are similar in March, totaling 63 mm (2.5 in) over 10 days, alongside a lower humidity of 83%. For a more detailed look at the weather in March, you can check Cozia weather in March.

In comparing the weather between December and April, there is a notable shift in temperatures and humidity. December typically experiences colder conditions, with minimum temperatures dropping to -11°C (13°F) and an average of 3°C (38°F), while April begins to warm up, showcasing a minimum of 0°C (32°F) and an average of 13°C (56°F). The maximum temperatures in December reach only 16°C (61°F), in stark contrast to April's highs that can soar to 30°C (87°F). Additionally, December is characterized by higher humidity levels at 90% and more precipitation, averaging 66 mm (2.6 in) over about 9 days, compared to April's lighter rainfall of 35 mm (1.4 in) across just 5 days. This seasonal transition marks a shift from the chill of winter to the mild warmth of spring, making April a much more inviting month. For more details on the distinct weather patterns, please refer to Cozia weather in April.

In December, temperatures are significantly lower, with a minimum of -11°C (13°F) and an average of just 3°C (38°F), while the maximum reaches 16°C (61°F). The month experiences high humidity at 90% and sees precipitation on about 9 days, totaling 66 mm (2.6 in). In contrast, May delivers a much milder climate, with temperatures ranging from a minimum of 4°C (40°F) to a pleasant maximum of 32°C (90°F), and an average temperature of 18°C (65°F). Although May has slightly more total precipitation at 75 mm (2.9 in) over 11 days, the humidity is lower at 70%, creating a more comfortable atmosphere. For more insights into the conditions in May, you can check out the details here: Cozia weather in May.

December and June present stark contrasts in weather. December experiences chilly temperatures, where the minimum can drop to -11°C (13°F) and the average hovers around 3°C (38°F), while the maximum reaches 16°C (61°F). The humidity is quite high at 90%, and precipitation occurs on about 9 days, totaling 66 mm (2.6 in). In contrast, June boasts much warmer conditions, with a minimum temperature of 8°C (47°F), an average of 23°C (73°F), and a maximum soaring up to 40°C (104°F). The humidity is lower at 67%, and although precipitation occurs on about 11 days, it slightly increases to 68 mm (2.7 in). For more details on June weather, you can visit Cozia weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures can plummet to a minimum of -11°C (13°F), with an average around 3°C (38°F) and a maximum of 16°C (61°F). This chilly month also experiences high humidity at 90%, accompanied by 66 mm (2.6 in) of precipitation over 9 days. In contrast, July boasts significantly warmer temperatures, with minimums around 12°C (54°F), averaging 25°C (77°F), and soaring to a sweltering maximum of 40°C (104°F). The summer month sees reduced humidity at 65% and slightly less precipitation, totaling 58 mm (2.3 in) over 8 days. For a closer look at July's climate, check out Cozia weather in July.

The weather in December contrasts sharply with that of August. December experiences much colder temperatures, ranging from a minimum of -11°C (13°F) up to a maximum of 16°C (61°F), with an average of 3°C (38°F). This month also sees higher precipitation, totaling 66 mm (2.6 in) over approximately 9 days, coupled with a high humidity level of 90%. In stark contrast, August boasts significantly warmer temperatures, with a minimum of 11°C (51°F) and an average high of 42°C (107°F), peaking at an average of 26°C (78°F). It has much lower precipitation at just 27 mm (1.1 in) over 5 days, along with a humidity level of 51%. For more detailed information, please check Cozia weather in August.

December and September present stark contrasts in weather conditions. In December, temperatures can drop as low as -11°C (13°F), with an average of about 3°C (38°F) and occasional highs of 16°C (61°F). This colder month also features significant precipitation, with around 66 mm (2.6 in) falling over approximately 9 days, accompanied by high humidity levels at 90%. In contrast, September enjoys much milder weather with minimum temperatures around 3°C (37°F) and an average of 21°C (69°F), peaking at a scorching 37°C (99°F). Precipitation is minimal during this month, averaging only 12 mm (0.5 in) over about 3 days, and humidity levels are notably lower at 58%. For more detailed insights, check out Cozia weather in September.

As we compare the weather in December to that of October, notable differences emerge. December experiences much colder temperatures, with a minimum of -11°C (13°F) and an average of 3°C (38°F), while October boasts a milder climate with a minimum of 1°C (35°F) and an average of 14°C (57°F). Furthermore, October can reach a maximum of 30°C (86°F), showcasing a significant contrast to December's maximum of 16°C (61°F). In terms of precipitation, December sees slightly more rain over 9 days, totaling 66 mm (2.6 in), compared to October's 57 mm (2.3 in) over just 6 days. Additionally, December's humidity is higher at 90%, compared to October's 80%. For more details on October's weather, visit Cozia weather in October.

December weather is generally colder than November, featuring average temperatures ranging from a minimum of -11°C (13°F) to a maximum of 16°C (61°F), compared to November's milder range of -8°C (19°F) to 26°C (79°F). Precipitation in December slightly increases to 66 mm (2.6 in) over nine days, while November sees 54 mm (2.1 in) of rainfall across ten days. Additionally, December's humidity levels are slightly higher at 90% compared to November's 88%. For more detailed information on November weather, check out Cozia weather in November.

Compare Cozia's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Cozia

As we bid farewell to December, Cozia's weather presents a striking contrast to the milder months preceding it. With cool temperatures dominating the scene, chilly nights can drop as low as negative double digits, while daytime highs bring only a modest warmth. The month also welcomes frequent precipitation, resulting in a wet atmosphere underscored by a notably high humidity level. This combination creates a perfect backdrop for those seeking cozy winter experiences amidst the stunning natural beauty of Cozia. To learn more about how the climate shapes your visit, explore Cozia Climate.