December Weather in Rosia Montana, Romania

Last updated: August 27, 2025

December in Rosia Montana, Romania brings a crisp, wintry chill, with temperatures ranging from a maximum of 12°C (53°F) to a minimum of -13°C (8°F), averaging around 0°C (32°F). The month is characterized by significant precipitation, totaling 70 mm (2.8 in) over 13 days, contributing to a humidity level of 92%. As snow blankets the picturesque landscape, visitors can enjoy the serene beauty of the season, though they should be prepared for the chilly conditions that define this enchanting winter month.

December Temperature in Rosia Montana

As December unfolds in Roșia Montană, Romania, temperatures shift dramatically, setting the stage for a winter wonderland. With a minimum of -13°C (8°F) and an average of 0°C (32°F), the chill in the air is palpable, while daytime highs reach a pleasant 12°C (53°F). This month serves as a transition into the depths of winter, significantly cooler than the preceding autumn months, and hinting at the coldest weather yet to come. The drop from the milder temperatures of November emphasizes a seasonal change, where the landscape may be transformed into a picturesque scene, blanketed in snow, inviting visitors to embrace the magic of the holiday season in this tranquil corner of Romania.

December Weather in Rosia Montana: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Rosia Montana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosia Montana, 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).
JanFebMarAprMayJunJulAugSepOctNovDec273337465461636557484032
Data source: Temperature data for Rosia Montana 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 Rosia Montana

In December, Rosia Montana experiences a notable shift in precipitation patterns as the year draws to a close. With 70 mm (2.8 in) of rain falling over approximately 13 days, this month marks a slight increase compared to the earlier winter months, reflecting a trend of rising precipitation as the seasons transition. Interestingly, while the rainfall is less abundant than in the spring and summer, it still supports the region's lush landscape. December's precipitation not only contrasts sharply with the driest months of October and November but also underscores the importance of consistent moisture during the colder months. As the year ends, the relatively higher levels of rainfall help nourish the environment, setting the stage for a vibrant spring ahead.

December Precipitation Trends in Rosia Montana

The chart displays monthly precipitation patterns in Rosia Montana, 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 Rosia Montana, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4249646815520319413173484270
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rosia Montana

As December arrives in Rosia Montana, Romania, residents experience a notable shift in humidity levels, with humidity soaring to 92%. This marks a slight uptick from November's 91%, continuing a trend of high humidity during the winter months. From the dry summer days, where humidity plummeted to 55% in August, there's a gradual increase as the seasons change, culminating in a peak during the cold months. January records an even higher 93%, suggesting that the winter air retains moisture, creating a damp atmosphere. This seasonal trend emphasizes the notable contrast between the dry summer and the humid winter, shaping the region's unique climate throughout the year.

December Average Humidity in Rosia Montana

This chart illustrates the average monthly humidity levels in Rosia Montana, 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 Rosia Montana is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rosia Montana

As winter settles in Rosia Montana, December brings a low UV Index of 2, indicating a decreased risk of harm from unprotected sun exposure. With a burn time of 45 minutes, this month offers a comfortable buffer for those enjoying outdoor activities. Following a summer peak of UV indexes reaching 9, the trend steadily decreases through fall, showcasing the region's seasonal variability. By the end of the year, residents and visitors can appreciate the gentle rays without the worry of quick sunburn, encouraging leisure in the brisk winter air. For more details, check out the comprehensive guide at Rosia Montana UV Index.

Maximum UV Index Levels in Rosia Montana for December

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

In December, Rosia Montana experiences a gentle decline in sunshine, with about 182 hours of daylight illuminating its historic landscape. This month marks a transition as the days grow shorter, following a peak in sunshine during the vibrant summer months, particularly in July when the town basked in 425 hours of sunlight. As winter begins to settle in, December's sun prepares the way for the tranquil beauty of snow-covered mountains and crisp air. Despite the decrease, the remaining sunshine serves as a nostalgic farewell to the vibrant days of the warmer season, inviting residents and visitors alike to embrace the charming stillness of winter in this picturesque Romanian destination.

Monthly Sunshine Duration in Rosia Montana: December Highlighted

The December sunshine duration represents the total number of hours Rosia Montana 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h213h288h347h388h404h425h403h338h286h222h182h
Data source: Rosia Montana December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rosia Montana During December

In Rosia Montana, Romania, the likelihood of sunny weather in December is relatively low, with only a 20% chance of sunshine. This marks a noticeable drop compared to the sunnier months of July and August, which see probabilities peak at 48% and 51%, respectively. The trend throughout the winter months shows a gradual decline in sunshine, with January trailing December with a mere 19% chance of clear skies. As the year progresses into the early spring, the chances of sunlight increase once again, particularly in February and March, where they stabilize at 39%. This pattern suggests that if you're hoping for sun in Rosia Montana during December, it would be wise to prepare for more overcast days than sunny ones.

Percentage of Sunny Days in December in Rosia Montana

The chart illustrates the percentage of sunny days in Rosia Montana 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 Rosia Montana experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%39%39%32%35%37%48%51%43%50%39%20%
Data source: Rosia Montana December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rosia Montana in December

As the year comes to a close, December in Rosia Montana, Romania, offers the shortest daylight duration, with only 8 hours of sunlight. This decline from a peak of 15 hours in the summer months of June and July clearly marks the transition into winter. The gradual reduction in daylight from the bright, lengthy days of spring and summer—where hours of sunlight soar from 11 in March to 14 in May—culminates in the early nights of December. Following this trend, daylight hours typically decrease through the fall, exemplified by the drop from 12 hours in September to 10 in October and again to 9 in November. As we bid farewell to the longer days, December invites a cozy atmosphere that heralds the winter solstice and the promise of longer days ahead.

Average Daylight Hours in Rosia Montana for December

The chart illustrates the variation in daylight duration in Rosia Montana throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 19m11h 56m13h 35m14h 59m15h 42m15h 20m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Rosia Montana daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rosia Montana

As December arrives in Rosia Montana, the average wind speed slightly picks up to 1.9 m/s (4 mph), marking a subtle increase during the winter months. This gentle breeze, while not strong with gusts, contributes to the crisp, invigorating atmosphere characteristic of the season. Notably, December’s winds remain consistent with the trends observed in previous months, where the overall wind patterns seem to hover around the lower spectrum, averaging between 1.4 m/s and 2.2 m/s throughout the year. As the town embraces the cold and prepares for the snowfall, the moderate winds weave a chill into the air, enhancing the serene beauty of this mountainous landscape.

Average December Wind Speed in Rosia Montana

The chart displays monthly wind speed patterns in Rosia Montana, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.01.82.02.21.41.61.61.71.81.71.9 m/s
Data source: Rosia Montana December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rosia Montana Compares to Other Months

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

December and January present distinct yet frigid weather conditions. In December, temperatures range from a chilly minimum of -13°C (8°F) to a more moderate average of 0°C (32°F), reaching a maximum of 12°C (53°F). This month experiences 70 mm (2.8 in) of precipitation over 13 days, with humidity levels at 92%. Conversely, January is colder, with minimum temperatures dropping to -19°C (-2°F) and an average of -3°C (27°F), while the maximum temperature only reaches 10°C (50°F). The precipitation is less intense than in December, totaling 42 mm (1.7 in) over 10 days, and humidity slightly increases to 93%. For a more detailed overview of January weather in Rosia Montana, check this link: Rosia Montana weather in January.

In December, the weather features a minimum temperature of -13°C (8°F) and an average of 0°C (32°F), with a maximum of 12°C (53°F). This month sees 70 mm (2.8 in) of precipitation over 13 days, accompanied by high humidity levels at 92%. In contrast, February experiences slightly colder nights with a minimum of -15°C (6°F) but offers a warmer maximum temperature of 16°C (61°F), with an average temperature remaining at 0°C (33°F). Precipitation decreases to 49 mm (1.9 in) over 10 days, and humidity is slightly lower at 88%. For a detailed look at the weather specifics in February, you can check Rosia Montana weather in February.

In December, the weather is characterized by colder temperatures, with a minimum of -13°C (8°F) and an average of 0°C (32°F), reaching a maximum of 12°C (53°F). This month also sees significant precipitation of 70 mm (2.8 in) over 13 days, accompanied by high humidity at 92%. In contrast, March experiences slightly warmer conditions, with temperatures ranging from a minimum of -14°C (6°F) to an average of 3°C (38°F) and a max of 21°C (69°F). Precipitation is slightly reduced at 64 mm (2.5 in) over the same number of days, and humidity decreases to 86%. For a more detailed look at March weather, visit Rosia Montana weather in March.

When comparing the weather in December and April, the differences are striking. December typically experiences colder temperatures, with a minimum of -13°C (8°F) and an average around 0°C (32°F), while April sees milder conditions with a minimum of -7°C (20°F) and an average of 8°C (46°F). Precipitation levels are somewhat similar, with December receiving 70 mm (2.8 in) over 13 days compared to April’s 68 mm (2.7 in) over 12 days; however, the humidity is higher in December at 92%, compared to 79% in April. As winter gives way to spring, the transition is evident not only in the warmer temperatures but also in the overall reduction of dampness in the air. For more details on April conditions, check out Rosia Montana weather in April.

In December, the weather is much colder, with temperatures ranging from a frigid -13°C (8°F) to a mild 12°C (53°F), while the average sits at around 0°C (32°F). This month experiences significant precipitation, totaling 70 mm (2.8 in) across 13 days, and a high humidity level of 92%, which can make the air feel even chillier. In stark contrast, May brings warmer temperatures, with a range from a minimum of -1°C (30°F) to a maximum of 24°C (76°F) and an average of 12°C (54°F). May is also wetter, with 155 mm (6.1 in) of precipitation over 20 days, but the humidity drops to a more comfortable 71%. For a closer look at how the weather feels during this vibrant month, check out Rosia Montana weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -13°C (8°F), with an average hovering around 0°C (32°F) and a maximum reaching 12°C (53°F). The month experiences considerable precipitation, with 70 mm (2.8 in) recorded over 13 days and high humidity at 92%. In contrast, June offers a much milder climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F) and an average of 16°C (62°F). With 203 mm (8.0 in) of precipitation spread over 23 days, humidity is comparatively lower at 71%. For those interested in the specifics of June weather, more details can be found here: Rosia Montana weather in June.

In December, the weather is significantly colder, with temperatures ranging from a biting -13°C (8°F) to a maximum of 12°C (53°F), resulting in an average temperature of around 0°C (32°F). The month sees high humidity levels at 92% and experiences precipitation on 13 days, totaling 70 mm (2.8 in). In stark contrast, July brings much warmer temperatures, ranging from a minimum of 5°C (41°F) to a pleasant maximum of 30°C (86°F), with an average of 17°C (64°F). However, July also has increased precipitation, with 194 mm (7.6 in) spread over 21 days, and the humidity drops to a more comfortable 64%. For more insights into July's weather, you can check Rosia Montana weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures drop significantly, with minimums reaching -13°C (8°F) and average highs of only 12°C (53°F). This month is characterized by high humidity at 92% and relatively low precipitation at 70 mm (2.8 in), occurring over 13 days. In contrast, August offers a much warmer climate, with minimums around 5°C (42°F) and average highs soaring to 33°C (92°F). The humidity in August is notably lower at 55%, and precipitation is higher at 131 mm (5.2 in) over 14 days. For a detailed look at August weather, you can visit Rosia Montana weather in August.

When comparing the weather in December and September, it’s clear that these months present stark differences. December is characterized by much colder temperatures, with a minimum of -13°C (8°F) and an average of 0°C (32°F), while September enjoys more moderate weather, featuring a minimum of -3°C (26°F) and an average of 14°C (57°F). Precipitation is quite similar in both months, with December receiving 70 mm (2.8 in) over 13 days compared to September's 73 mm (2.9 in) over just 10 days, but September's lower humidity of 64% feels less oppressive than December's high humidity of 92%. For more specific insights into September weather, check the details here: Rosia Montana weather in September.

When comparing the weather between October and December, a significant drop in temperatures is apparent. In December, temperatures can plummet to a minimum of -13°C (8°F), with an average of 0°C (32°F) and a maximum of 12°C (53°F). This contrasts sharply with October, where temperatures are milder, with a minimum of -3°C (27°F), an average of 9°C (48°F), and a maximum reaching 23°C (74°F). Additionally, December experiences more precipitation, totaling 70 mm (2.8 in) over 13 days, compared to October's 48 mm (1.9 in) over just 8 days. The humidity also rises in December to 92%, compared to October’s 83%. For a closer look at the weather specifics during October, you can visit Rosia Montana weather in October.

In comparing the weather of December and November, December presents a notably colder climate with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 12°C (53°F), contrasting with November's milder temperatures that vary from -9°C (15°F) to a maximum of 20°C (68°F). The average temperature in December drops to around 0°C (32°F), while November maintains a more comfortable average of 4°C (40°F). Additionally, December experiences more precipitation, totaling 70 mm (2.8 in) over 13 days, compared to November, which has 42 mm (1.6 in) across 10 days. Humidity levels are quite similar, with December at 92% and November slightly lower at 91%. For more details on November's weather, you can check out Rosia Montana weather in November.

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Conclusion: What to Expect From December Weather in Rosia Montana

December in Rosia Montana marks a significant shift in weather compared to the milder months preceding it. The temperatures plunge, with cold snaps leading to chilly winter days, where the mercury can drop to -13°C (8°F) at night. Humidity levels remain high, giving the air a crisp bite, and the increased precipitation adds a layer of winter wonder for visitors and residents alike. With an average of 13 rainy or snowy days throughout the month, December truly embodies the essence of a Romanian winter. For more detailed insights, explore our Rosia Montana Climate page.