December Weather in Tusnad, Romania

Last updated: August 27, 2025

In Tusnad, Romania, December casts a chilly spell, with temperatures fluctuating between a brisk -18°C (0°F) and a mild 11°C (53°F). The month averages around -1°C (30°F), wrapping the region in a frosty embrace. Travelers might encounter 54 mm (2.1 in) of precipitation over approximately 10 days, lending a misty charm to the winter landscape. High humidity levels of 90% enhance the frosty atmosphere, making Tusnad a captivating destination for those who relish the beauty of winter.

December Temperature in Tusnad

In Tusnad, Romania, December ushers in the heart of winter with temperatures that reflect a notable chill. This month typically sees minimums dipping to around -18°C (0°F), while average temperatures hover near -1°C (30°F), and the maximums reach a modest 11°C (53°F). As the year closes, a distinct trend is evident: temperatures are steadily lowering compared to the preceding months, marking a sharp contrast from the milder autumn. The transition into December showcases the long, cold nights characteristic of the region, inviting visitors to enjoy the serene beauty of winter landscapes, making it an ideal time for both relaxation and outdoor adventures in the frost-kissed air.

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

The chart illustrates December temperature patterns in Tusnad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tusnad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec232935445361636455463830
Data source: Temperature data for Tusnad generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Tusnad

In December, Tusnad, Romania, experiences a typical transition into winter, characterized by a precipitation total of 54 mm (2.1 in) over about 10 days. This marks a slight increase compared to November, which saw 31 mm across 7 days, indicating a trend towards wetter conditions as the year winds down. The weather patterns suggest that as temperatures begin to drop, moisture starts to accumulate, leading to more rainy days. Interestingly, this steady rainfall in December contributes to a festive atmosphere, even as the landscape begins to shimmer with frost and the potential for snowfall looms on the horizon.

December Precipitation Trends in Tusnad

The chart displays monthly precipitation patterns in Tusnad, 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 Tusnad, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec274150531031531008444393154
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Tusnad

In December, Tusnad, Romania, experiences a notable humidity level of 90%, reflecting the transition into the winter months. This figure aligns closely with the higher humidity readings seen in the late fall, particularly November's 89%. As the year progresses, a clear trend emerges: humidity declines from a peak of 92% in January to its lowest at 56% in August, before gradually rising again towards the end of the year. This pattern highlights the cozy, moisture-rich atmosphere typical of Tusnad's winters, while also contrasting sharply with the drier summer months, creating a unique climatic rhythm throughout the seasons.

December Average Humidity in Tusnad

This chart illustrates the average monthly humidity levels in Tusnad, 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 Tusnad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tusnad

As the year comes to a close, December in Tusnad, Romania offers a return to relatively low UV Index levels, measured at 2. This marks a notable decrease from the intense summer months where the index peaked at 9 in both June and July. With a low exposure category, residents and visitors can enjoy up to 45 minutes of sun without significant risk of burning, allowing for leisurely outdoor activities during the crisp winter days. This trend of declining UV exposure from summer to winter underscores the importance of monitoring UV levels throughout the year, ensuring safety while appreciating the beauty of Tusnad's changing seasons. For more detailed insights, visit Tusnad UV Index.

Maximum UV Index Levels in Tusnad for December

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

In Tusnad, Romania, December embraces the winter chill with a modest 180 hours of sunshine, a notable dip from the vibrant glow of the summer months. As the seasons transition, sunshine hours ebb and flow, peaking in July with 417 hours and gradually declining towards the year’s end. February offers a cheerful contrast with 223 hours, hinting at the promise of spring while the longer days of April and May showcase the region's bright and lively character. As the winter solstice nears, daylight retreats, yet even in December, the soft rays of sunshine imbue the landscape with a serene beauty, inviting visitors to appreciate the quiet charm of Tusnad amidst the frosty embrace of winter.

Monthly Sunshine Duration in Tusnad: December Highlighted

The December sunshine duration represents the total number of hours Tusnad 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h223h287h343h392h396h417h406h335h287h227h180h
Data source: Tusnad December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tusnad During December

In Tusnad, Romania, December presents a notable dip in the likelihood of sunny weather, with only a 14% chance of sunshine. This decline is evident when looking at the monthly trends, especially after the summer months, which boast significantly higher percentages—44% in July and 43% in August. As we move into the autumn season, the chances remain relatively stable; however, by the time December arrives, the sunlight becomes scarce, joining January as one of the gloomiest months of the year. This pattern emphasizes Tusnad's transition into winter, where snowy landscapes often overshadow the sun's rays, inviting visitors to embrace the cozy charm of the season rather than chase the elusive sunshine.

Percentage of Sunny Days in December in Tusnad

The chart illustrates the percentage of sunny days in Tusnad 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 Tusnad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%31%33%38%35%26%45%43%36%43%35%14%
Data source: Tusnad December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tusnad in December

As the year draws to a close, Tusnad, Romania experiences one of its shortest daylight durations in December, with only 8 hours of sunlight. This gradual decrease in daylight starts from a robust 15 hours in June and remains relatively stable until September, before the autumn months usher in a notable decline. From October onward, daylight dwindles steadily, reflecting the diminished warmth of the season and preparing the landscape for the serene stillness of winter. Compared to January’s 9 hours, December’s shorter days highlight a trend of cyclic nature, where sunlight ebbs and flows, shaping the rhythm of life in this charming locale. Through these changes, Tusnad captures the essence of each season, inviting both residents and visitors to embrace the quieter, yet beautifully reflective days of winter.

Average Daylight Hours in Tusnad for December

The chart illustrates the variation in daylight duration in Tusnad throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 59m15h 42m15h 19m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: Tusnad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Tusnad

In December, the wind in Tusnad, Romania begins to pick up slightly, with an average speed of 2.1 m/s (5 mph), providing a refreshing contrast to the calmer summer months. This moderate gustiness echoes the patterns seen earlier in the year, where the wind tended to remain consistently gentle from June through November. Notably, December's breeze signals a subtle shift, as it approaches the higher averages of the spring and early autumn seasons, where wind speeds hovered around 2.2 m/s. This year's final month feels invigorating, hinting at the dynamic changes that are just around the corner with the arrival of winter.

Average December Wind Speed in Tusnad

The chart displays monthly wind speed patterns in Tusnad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.32.32.02.31.91.91.61.91.91.82.1 m/s
Data source: Tusnad December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Tusnad Compares to Other Months

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

December and January show notable differences in weather conditions, particularly in temperature and precipitation. In December, the temperatures range from a minimum of -18°C (0°F) to an average of -1°C (30°F), peaking at 11°C (53°F). The month also experiences a higher precipitation level of 54 mm (2.1 in) over approximately 10 days, accompanied by a 90% humidity level. In contrast, January brings even colder temperatures, with a minimum of -24°C (-11°F) and an average of -5°C (24°F), while the maximum remains consistent at 11°C (51°F). Precipitation decreases to 27 mm (1.0 in) over 7 days, and humidity slightly rises to 92%. For more detailed insights, visit Tusnad weather in January.

In December, the weather features slightly milder temperatures, with an average of -1°C (30°F) and a maximum of 11°C (53°F), while February typically records a minimum of -19°C (-1°F) and an average of -2°C (29°F). Both months experience around 10 days of precipitation, but December sees slightly more rainfall at 54 mm (2.1 in) compared to February's 41 mm (1.6 in). Humidity levels are similar in both months, with December at 90% and February at 88%. For more detailed insights on February weather, you can visit Tusnad weather in February.

December and March present contrasting weather patterns. December typically sees temperatures ranging from a minimum of -18°C (0°F) to an average of -1°C (30°F), with maximums reaching 11°C (53°F). The month experiences about 54 mm (2.1 in) of precipitation over approximately 10 days, accompanied by high humidity levels at 90%. In contrast, March offers slightly milder conditions, with temperatures dipping to -20°C (-4°F) at their lowest, averaging 1°C (35°F), and peaking at 18°C (66°F). The precipitation in March is relatively close, at 50 mm (2.0 in), but it occurs over 12 days, and humidity is slightly lower at 86%. For more detailed insights, view the full report on Tusnad weather in March.

December and April present striking contrasts in weather. In December, temperatures can drop as low as -18°C (0°F), with an average temperature of -1°C (30°F) and highs reaching 11°C (53°F). The month sees precipitation of about 54 mm (2.1 in) over approximately 10 days, accompanied by high humidity at 90%. In contrast, April brings milder conditions, with minimum temperatures around -8°C (19°F) and an average of 7°C (44°F), peaking at 23°C (74°F). Precipitation remains similar at 53 mm (2.1 in), also over 10 days, but humidity decreases to 79%. For more detailed insights, you can explore Tusnad weather in April.

December and May present strikingly different weather patterns. In December, temperatures can dip as low as -18°C (0°F), with an average around -1°C (30°F) and a maximum of 11°C (53°F). The month sees frequent snowfall, contributing to a total precipitation of 54 mm (2.1 in) over about 10 days, coupled with high humidity at 90%. In contrast, May brings more moderate temperatures, with a minimum of -1°C (30°F), an average of 12°C (53°F), and a pleasant maximum of 25°C (78°F). Precipitation in May is higher at 102 mm (4.0 in), occurring over 17 days, and the humidity is lower at 73%. Such comparisons highlight how the transition from the cold, wintery December to the warm, blossoming May marks a significant shift in climate. For more detailed insights into the weather patterns during this month, you can check Tusnad weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -18°C (0°F), with an average of -1°C (30°F) and a maximum of 11°C (53°F), while humidity remains high at 90%. Precipitation is relatively light, with about 54 mm (2.1 in) falling over 10 days. In contrast, June boasts a much milder climate, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 29°C (85°F) and an average temperature of 16°C (61°F). However, it is also wetter, with 153 mm (6.0 in) of rain spread across 21 days and a lower humidity level of 73%. For more insights on the specific weather conditions in June, check out Tusnad weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures can drop to a chilling minimum of -18°C (0°F), with an average temperature around -1°C (30°F) and a maximum of 11°C (53°F). The month sees significant precipitation of 54 mm (2.1 in) over 10 days, accompanied by high humidity levels at 90%. In contrast, July experiences much more temperate weather, with minimum temperatures around 6°C (43°F), an average of 17°C (63°F), and highs reaching up to 29°C (85°F). This month also has higher precipitation, totaling 100 mm (3.9 in) across 16 days, though the humidity is relatively lower at 68%. For a more detailed look at July weather, you can visit Tusnad weather in July.

December and August present strikingly different weather conditions. In December, temperatures can drop to a chilling minimum of -18°C (0°F), with average highs around 11°C (53°F) and an average of -1°C (30°F), creating a cold and often harsh environment. Additionally, the month sees high humidity at 90% and receives about 54 mm (2.1 in) of precipitation over approximately 10 days.

Conversely, August boasts a much warmer climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (89°F) and an average of 18°C (65°F). The humidity level in August is significantly lower at 56%, and while it experiences slightly more precipitation at 84 mm (3.3 in), it does so over a similar number of days. For a detailed overview, you can check Tusnad weather in August.

When comparing the weather in December and September, striking differences emerge. December typically experiences colder temperatures, with lows reaching -18°C (0°F) and an average temperature around -1°C (30°F), offering a stark contrast to September’s more mild conditions, where the minimums are much warmer at -3°C (26°F) and averages are around 13°C (56°F). In December, the maximum temperature can reach up to 11°C (53°F), while September enjoys higher daytime temperatures that can peak at 29°C (85°F). Precipitation is also slightly more prevalent in December, with about 54 mm (2.1 in) falling over 10 days, compared to September's 44 mm (1.7 in) over 9 days. Additionally, December's humidity is considerably higher at 90%, compared to September's 62%. For a closer look at the September climate, feel free to check Tusnad weather in September.

December weather is significantly colder and wetter than October. While October enjoys milder temperatures, with a range from -5°C (24°F) to a pleasant maximum of 24°C (75°F), December plunges into frigid conditions, with minimum temperatures reaching -18°C (0°F) and an average of just -1°C (30°F). Additionally, December experiences higher humidity at 90% and more precipitation, amounting to 54 mm (2.1 in) over about 10 days, compared to October's 39 mm (1.5 in) over just 6 days. For a more detailed comparison of weather in October, you can check Tusnad weather in October.

December weather is significantly colder than that of November, with temperatures dropping from a minimum of -13°C (10°F) in November to -18°C (0°F) in December, and the average temperature falling to -1°C (30°F). While November can reach a maximum of 22°C (71°F), December's maximum only reaches 11°C (53°F). Additionally, December experiences more precipitation, totaling 54 mm (2.1 in) over 10 days compared to November's 31 mm (1.2 in) across 7 days. Both months show high humidity levels, with December slightly higher at 90% compared to November's 89%. For more detailed information, you can check out Tusnad weather in November.

Compare Tusnad's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Tusnad

As December settles in, Tusnad transforms into a winter wonderland, offering a stark contrast to the milder months preceding it. Average temperatures plummet, making chilly days the norm, while nights can be biting due to the dramatic drop into subzero territory. Precipitation increases, resulting in a higher chance of snow, and with humidity levels hovering around 90%, the air carries a crisp, refreshing bite. This wintry ambiance enhances the charm of the landscape, inviting visitors to embrace the season's beauty. For a deeper dive into what you can expect throughout the year, explore the full details at Tusnad Climate.