December Weather in Piatra, Romania

Last updated: August 27, 2025

In Piatra, Romania, December ushers in a wintry chill characterized by an average temperature of 1°C (34°F), with highs reaching up to 13°C (55°F) and lows plunging to a brisk -12°C (11°F). This month experiences a significant amount of precipitation, totaling 85 mm (3.4 in) over approximately 14 days, contributing to a humidity level of an impressive 92%. With the landscape often blanketed in snow, December offers a picturesque setting that encapsulates the serene beauty of winter in Romania.

December Temperature in Piatra

In December, Piatra, Romania transitions into a chilly winter, with temperatures reflecting the deepening cold. The minimum temperature hovers around -12°C (11°F), setting a brisk tone for the month, while the average temperature settles at a frosty 1°C (34°F). As daylight gives way to longer nights, the maximum temperature reaches a mere 13°C (55°F), marking a significant drop from the milder conditions of late autumn. This blend of cold air and occasional sunny spells prepares the landscape for a picturesque winter, making December a month where snow can often blanket the region, ushering in a serene yet chilly beauty that is characteristic of Piatra's winter climate.

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

The chart illustrates December temperature patterns in Piatra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piatra, 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).
JanFebMarAprMayJunJulAugSepOctNovDec273339495765676859494134
Data source: Temperature data for Piatra 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 Piatra

In December, Piatra experiences a notable shift in weather patterns, with precipitation increasing to 85 mm (3.4 in), making it one of the wetter months of the year. This amount is distributed over approximately 14 days, indicating a gradual transition into the winter season as rain transforms into snow. Compared to the preceding months, December's rainfall is substantial, following the trend of increased moisture seen in the late autumn, especially from May through June. This uptick in precipitation not only signals the onset of colder temperatures but also contributes to the region's typical winter landscape, marking a significant climatic shift.

December Precipitation Trends in Piatra

The chart displays monthly precipitation patterns in Piatra, 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 Piatra, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec49755954115101965966574485
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Piatra

In Piatra, Romania, December marks the transition from the lower humidity levels of the summer months to the higher moisture that dominates the winter season. With humidity peaking at 92%, December's dampness stands as a significant factor of the colder months. This slight rise follows November's 91%, hovering close to January's high of 93%. As the year draws to a close, the humidity reflects the natural cycle, illustrating a gradual increase in moisture from the drier months of summer, where humidity plummets to a comfortable 55% in August. As winter approaches, residents experience a return to the cloudier and wetter conditions typical of the season, underscoring the region's shift from the arid embrace of summer to the colder air of winter.

December Average Humidity in Piatra

This chart illustrates the average monthly humidity levels in Piatra, 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 Piatra 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 Piatra

As December rolls into Piatra, Romania, the UV Index dips back to a low level of 2, akin to the values seen in January and November. This continues a trend of lower UV exposure during the winter months, providing a reprieve from the intense rays experienced in the summer, where indices soared to 9 in June and July. With a recommended burn time of 45 minutes, residents and visitors can enjoy the outdoors more comfortably, though it’s still wise to keep sun protection in mind during prolonged exposure. By recognizing these seasonal shifts, individuals can better plan their outings to align with the ever-changing behavior of the sun. For more information on UV trends throughout the year, visit Piatra UV Index.

Maximum UV Index Levels in Piatra for December

The chart shows the monthly maximum UV Index (UVI) for Piatra 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 Piatra typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987422
Data source: Piatra 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 Piatra

In Piatra, Romania, December offers a modest 173 hours of sunshine, signaling the transition from fall to winter. As the year winds down, daylight begins to retreat, reflecting a noticeable dip from the vibrant 393 hours in May to the more subdued December hues. Despite this reduction, December still presents a bright respite from the gloom, embodying a comforting embrace of soft winter light. The warmth of the holidays contrasts with the short, chilly days, allowing residents and visitors alike to bask in the gentle, yet fleeting, sunshine that dances across the landscape, bringing a touch of cheer during the snowy season. This trend of diminishing daylight is a familiar rhythm, with just 156 hours in January ahead, but each ray of December sunshine remains a cherished moment before the deep cold sets in.

Monthly Sunshine Duration in Piatra: December Highlighted

The December sunshine duration represents the total number of hours Piatra 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.
JanFebMarAprMayJunJulAugSepOctNovDec156h208h289h349h393h410h425h406h338h285h224h173h
Data source: Piatra December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Piatra During December

In Piatra, Romania, the likelihood of sunny weather in December is notably low, hovering around 14%. This drop in sunshine continues a trend observed throughout the colder months, with the chances of sun steadily decreasing from the 54% in October to 36% in November. As the year winds down, December's sunless days are a stark reminder of the transitioning seasons, as residents embrace the onset of winter. Interestingly, while December may lack in sunshine, it paves the way for the more vibrant months ahead, where the likelihood of clear skies gradually increases, reaching a peak of 50% in July.

Percentage of Sunny Days in December in Piatra

The chart illustrates the percentage of sunny days in Piatra 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 Piatra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%26%39%34%36%46%50%46%40%54%36%14%
Data source: Piatra December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Piatra in December

As the year winds down in Piatra, Romania, December brings a return to the shorter days typical of winter, with only 8 hours of daylight. This follows a gradual decline from the peak 15 hours of daylight seen in the vibrant summer months of June, July, and August. The transition is evident as the sun rises later and sets earlier, particularly after experiencing a slight dip to 9 hours in November. The daylight hours have shifted from a bright 15 hours in May to a stark contrast in December, creating a notable rhythm in the seasons. This ebb and flow of sunlight not only marks the passage of time, but also sets the stage for cozy winter evenings and the festive atmosphere that accompanies the holiday season.

Average Daylight Hours in Piatra for December

The chart illustrates the variation in daylight duration in Piatra throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 56m10h 15m11h 55m13h 38m15h 6m15h 51m15h 27m14h 9m12h 30m10h 49m9h 18m8h 31m
Data source: Piatra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Piatra

In December, Piatra, Romania, experiences a gentle breeze, with an average wind speed of 1.9 m/s (4 mph). This marks a slight uptick from the calmest months of November and August but aligns closely with the wind speeds of the preceding months, showcasing a trend of mild winter winds. As the year draws to a close, the consistent wind patterns reflect Piatra's tranquil yet dynamic climate, offering a serene backdrop for winter activities amidst the picturesque landscape. The overall trend reveals a stable atmospheric rhythm, with wind speeds hovering around the 2.0 m/s mark in the earlier months—ideal for both leisure and exploration during this cozy season.

Average December Wind Speed in Piatra

The chart displays monthly wind speed patterns in Piatra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.02.02.31.91.91.71.81.91.71.9 m/s
Data source: Piatra December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Piatra Compares to Other Months

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

In December, the weather typically features a wide temperature range, with minimums around -12°C (11°F) and maximums reaching up to 13°C (55°F), leading to an average of 1°C (34°F). This month also experiences considerable precipitation, totaling 85 mm (3.4 in) over 14 days, and high humidity at 92%. In contrast, January is significantly colder, with minimum temperatures plummeting to -25°C (-12°F) and an average of -3°C (27°F), although maximum temperatures can still reach 10°C (51°F). The precipitation decreases to 49 mm (1.9 in) across 10 days, while humidity remains slightly higher at 93%. For more detailed weather insights, check out Piatra weather in January.

December and February exhibit quite similar weather patterns, though there are some distinctions in temperature and precipitation. In December, temperatures range from a chilly -12°C (11°F) to a more moderate max of 13°C (55°F), with an average temperature of 1°C (34°F). Precipitation during this month totals 85 mm (3.4 in) over approximately 14 days, and humidity is notably high at 92%.

In contrast, February experiences slightly colder temperatures, with a minimum of -13°C (9°F) and a maximum of 15°C (59°F), yielding an average of 0°C (33°F). February's precipitation is a bit lower at 75 mm (2.9 in) across 12 days, and the humidity is also reduced to 88%. For a more detailed look at the weather conditions, you can check Piatra weather in February.

In December, temperatures typically range from a minimum of -12°C (11°F) to a maximum of 13°C (55°F), with an average around 1°C (34°F) and a high humidity level of 92%. This month also sees considerable precipitation, amounting to 85 mm (3.4 in) over about 14 days. In contrast, March experiences slightly milder conditions, with temperatures ranging from -18°C (0°F) to as high as 22°C (71°F), averaging around 4°C (40°F). Precipitation decreases to 59 mm (2.3 in) over roughly 12 days, and humidity lowers slightly to 86%. For a closer look at the weather specifics, check out Piatra weather in March.

In December, the weather is characterized by colder temperatures, with a minimum of -12°C (11°F) and an average around 1°C (34°F), while the maximum can reach up to 13°C (55°F). The month experiences higher humidity levels at 92%, along with significant precipitation of 85 mm (3.4 in) spread over 14 days. In contrast, April ushers in milder conditions, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 27°C (81°F) and an average of 9°C (49°F). Precipitation decreases to 54 mm (2.1 in) over just 10 days and humidity is also lower at 79%. For more details on the April weather in Piatra, check out Piatra weather in April.

December and May present stark contrasts in weather conditions. In December, temperatures can plunge as low as -12°C (11°F) and average around 1°C (34°F), with highs reaching 13°C (55°F). The month is quite damp, experiencing 85 mm (3.4 in) of precipitation over about 14 days, contributing to a high humidity level of 92%. In contrast, May brings a significant warming trend with temperatures ranging from a minimum of 0°C (32°F) to a pleasant average of 14°C (57°F), peaking at 28°C (83°F). This month is also wetter, receiving 115 mm (4.5 in) of rain across 15 days, though humidity is lower at 71%. For more detailed information on the weather during this vibrant spring month, check out Piatra weather in May.

December and June present stark contrasts in weather conditions. In December, temperatures can plummet as low as -12°C (11°F) with an average temperature of around 1°C (34°F), making it the coldest month of the year. The high humidity at 92% coupled with frequent precipitation (85 mm over about 14 days) adds to the chill of winter.

In comparison, June experiences a much milder climate, with temperatures ranging from a minimum of 5°C (41°F) to a warm maximum of 32°C (89°F), and an average of 19°C (66°F). While June has slightly higher total precipitation at 101 mm over approximately 16 days, the humidity level is notably lower at 71%, contributing to a much more pleasant overall feel. For more details on June weather in this region, you can check Piatra weather in June.

In December, the weather is markedly colder, with temperatures ranging from a frigid minimum of -12°C (11°F) to a moderate maximum of 13°C (55°F), and an average temperature of around 1°C (34°F). In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 32°C (89°F) and an average of 19°C (67°F). Both months experience a similar amount of precipitation, roughly 85 mm (3.4 in) in December and 96 mm (3.8 in) in July, with precipitation spread over 14 days in each month. However, December is much more humid at 92%, while July's humidity is significantly lower at 64%. For more specific insights into July's climate, you can visit this link: Piatra weather in July.

Comparing the weather in December and August reveals striking contrasts. In December, temperatures can drop as low as -12°C (11°F), with an average of around 1°C (34°F) and highs reaching only 13°C (55°F). The month is characterized by high humidity at 92% and considerable precipitation, averaging 85 mm (3.4 in) over approximately 14 days. In contrast, August boasts much milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 34°C (94°F) and an average of 20°C (69°F). The humidity is significantly lower at 55%, and the month sees less rainfall, averaging 59 mm (2.3 in) over just 7 days. For a closer look at August weather specifically, you can check Piatra weather in August.

December and September present quite contrasting weather conditions. In December, temperatures can dip as low as -12°C (11°F), with an average temperature around 1°C (34°F) and a maximum of 13°C (55°F). The month is characterized by high humidity at 92% and substantial precipitation of 85 mm (3.4 in) over about 14 days. In stark contrast, September enjoys milder weather, with minimum temperatures around 0°C (32°F), averages reaching 15°C (59°F), and highs climbing to 29°C (85°F). Precipitation in September is lighter at 66 mm (2.6 in) spread over only 8 days, and humidity is notably lower at 64%. For more detailed insights about the weather in September, visit Piatra weather in September.

December and October showcase distinct differences in weather patterns. In December, temperatures plummet with a minimum of -12°C (11°F) and an average of just 1°C (34°F), contrasting sharply with October's milder climate, where temperatures range from a minimum of -4°C (24°F) to a comfortable average of 10°C (50°F). While December experiences more precipitation at 85 mm (3.4 in) over 14 days, October sees less at 57 mm (2.3 in) across 9 days. Additionally, December's humidity sits at a higher 92%, compared to October's 83%, highlighting the damp chill of the winter month. For a detailed look at the weather specifics during October, you can refer to Piatra weather in October.

When comparing the weather in November and December, significant differences emerge. December experiences colder temperatures, with averages hovering around 1°C (34°F) compared to November's warmer average of 5°C (42°F). The maximum temperatures in December reach only up to 13°C (55°F), while November can see highs of 23°C (74°F). Precipitation also increases in December, with 85 mm (3.4 in) falling over 14 days, compared to November's 44 mm (1.7 in) over 9 days. Humidity remains relatively consistent between the two months, with December at 92% and November at 91%. For more detailed information on November weather, you can check out Piatra weather in November.

Compare Piatra's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Piatra

As December descends upon Piatra, the weather transforms into a stark contrast from the milder months preceding it. With a chilly atmosphere where average temperatures dip and the likelihood of snow increases, this month often feels much colder and more humid, with notable precipitation spread over several days. The shift to winter conditions invites cozy indoor activities and festive celebrations, painting the town in a serene, frosty glow. For a deeper exploration of how December's climate compares to other months, be sure to visit Piatra Climate.