Last updated: August 27, 2025
December in Cluj-Napoca, Romania brings a crisp, wintry charm as temperatures fluctuate from a maximum of 12°C (54°F) to a chilly minimum of -13°C (9°F), settling at an average of 0°C (33°F). This month is characterized by high humidity levels of 92%, creating a damp, immersive atmosphere. Residents and visitors alike can expect about 65 mm (2.6 in) of precipitation over 13 wet days, making it essential to prepare for frequent rain and winter flurries. Embrace the season's beauty as the city transforms into a picturesque winter landscape, ideal for festive activities and cozy moments.
In Cluj-Napoca, Romania, December ushers in a chill that marks the onset of winter, with temperatures typically ranging from a brisk -13°C (9°F) as the minimum to a moderate 12°C (54°F) at its peak. As the month progresses, the average temperature settles around 0°C (33°F), offering a stark contrast to the warmer months preceding it. This significant drop mirrors the gradual decline seen from October and November, where milder conditions linger before surrendering to the full embrace of winter. With December's frosty air and occasional snow flurries, the city transforms into a picturesque winter wonderland, inviting locals and visitors alike to enjoy the festive season amidst the cold.
In December, Cluj-Napoca experiences a noticeable increase in precipitation, with an average of 65 mm (2.6 in) falling over 13 days. This reflects a significant uptick compared to the preceding months, particularly following the drier November, which saw only 41 mm (1.6 in) across 9 days. The trend towards wetter conditions in December not only marks the end of the year but also sets the stage for the coming wetter months of spring. As winter sets in, Cluj-Napoca's landscape transforms under a blanket of snow and rain, highlighting the city's seasonal charm amidst the festive atmosphere.
In December, Cluj-Napoca experiences humidity levels at a significant 92%, marking a slight dip from the high of 91% noted in November. This month sits within a cool transition in the city's climate, closely mirroring the high humidity trends of the preceding winter months, with January still leading at 93%. Throughout the year, humidity in Cluj-Napoca tends to decrease during the summer, reaching its annual low of 55% in August. However, as the year closes, a noticeable increase back to high humidity levels is evident, reinforcing the pattern of damp winters that characterize this region. The gradual rise from 83% in October to December's figures suggests an impending chill, in keeping with the seasonal shifts of Central Romania.
In December, Cluj-Napoca experiences a UV Index of 2, indicating low exposure levels and allowing for a burn time of 45 minutes. This marks a return to milder conditions after the peak summer months, where UV levels reached a high of 9 in both June and July, necessitating significantly shorter exposure times of just 15 minutes. Across the year, the UV Index fluctuates from low in winter to very high in summer, highlighting the importance of seasonal awareness for sun protection. As winter sets in, residents can enjoy outdoor activities with less concern for sunburn, but it’s always wise to remain informed. For a closer look at the UV Index throughout the year, visit Cluj-Napoca UV Index.
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December in Cluj-Napoca brings a tranquil end to the year, characterized by 179 hours of sunshine. While this might seem modest compared to the vibrant 426 hours basking in July’s warmth, it reflects a gentle decline from the generous light of earlier months. This drop ushers in the chilly winter season, transitioning from the sun-drenched days of summer. As daylight dwindles, Cluj-Napoca’s winter charm comes to life, inviting locals and visitors alike to embrace the cozy atmosphere of the holiday season. The city’s beauty, set against the backdrop of shorter days, showcases a different kind of radiance—one illuminated by festive lights and the warmth of community.
In Cluj-Napoca, Romania, the likelihood of sunny weather in December takes a noticeable dip, with only 16% of the month expected to be sunny. This is a stark contrast to the sunnier months that precede it, where July and August boast the highest probabilities at 52% and 50%, respectively. As the year progresses from winter to spring, there’s a gradual increase in sunny days, peaking in mid-summer before declining again in late autumn, showcasing a clear seasonal trend. December's low percentage highlights its place in the colder half of the year, making it one of the least likely months for sunshine and setting the stage for a typical chilly Romanian winter.
As December settles in Cluj-Napoca, Romania, daylight dwindles to about 8 hours, mirroring the trend seen in January. This reduction marks a stark contrast to the vibrant spring and summer months, where daylight peaks at 15 hours from May through July. As the year progresses from November's 9 hours to the winter solstice, residents experience the shortest days, creating a cozy atmosphere perfect for holiday festivities. The gradual transition from longer days in the spring—11 hours in March—to the darker, shorter days of winter is a reminder of the ephemeral nature of light, highlighting the rhythm of the seasons in this charming city.
As December descends upon Cluj-Napoca, the city experiences a return to a mild breeze, with an average wind speed of 2.2 m/s (5 mph)—mirroring the gentle currents felt in earlier months such as April and October. This stable wind pattern contrasts with the autumnal drop in wind speeds seen in November, where gusts diminished to 1.9 m/s (4 mph). While the seasonal chill sets in, December retains a sense of calmness in the air, echoing the relatively low wind speeds typical of summer months. This consistency in December winds creates an inviting ambiance, perfect for cozy gatherings amidst the picturesque winter landscape.
Weather in Cluj-Napoca varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cluj-Napoca, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, Cluj-Napoca experiences milder temperatures with an average of 0°C (33°F) and a minimum of -13°C (9°F), while January sees even colder conditions, with average temperatures dipping to -3°C (28°F) and a low of -21°C (-6°F). Despite December's relatively higher average temperature, it arrives with more precipitation, totaling 65 mm (2.6 in) over 13 days, compared to January's 34 mm (1.3 in) over 9 days. Humidity levels remain high in both months, with December averaging 92% and January slightly higher at 93%. For more detailed information, you can check Cluj-Napoca weather in January.
December and February offer distinct weather experiences, with December featuring temperatures ranging from a chilly -13°C (9°F) to a maximum of 12°C (54°F) and an average of 0°C (33°F). It also sees about 65 mm (2.6 in) of precipitation spread over 13 days, accompanied by high humidity at 92%. In contrast, February tends to be slightly milder, with minimum temperatures dropping to -14°C (8°F) but reaching up to 16°C (61°F) on average, resulting in a typical temperature of 1°C (34°F). With 49 mm (1.9 in) of precipitation over 11 days and a humidity level of 88%, February is less wet than December. For a detailed look at February weather in Cluj-Napoca, visit Cluj-Napoca weather in February.
In December, the weather is characterized by cold temperatures, with a minimum of -13°C (9°F) and an average of 0°C (33°F). The month experiences significant precipitation, totaling 65 mm (2.6 in) over about 13 days, alongside high humidity levels averaging 92%. Conversely, March brings a more varied climate, with temperatures spanning from a low of -19°C (-1°F) to a warm maximum of 22°C (72°F). The average temperature rises to 4°C (39°F), and while precipitation is slightly lower at 56 mm (2.2 in) over 11 days, the humidity decreases to 86%. For more information on March weather in Cluj-Napoca, you can visit Cluj-Napoca weather in March.
When comparing the weather in December and April, one can observe a significant shift in temperature and conditions. December presents a chilling atmosphere with average temperatures hovering around 0°C (33°F) and lows reaching -13°C (9°F). In contrast, April ushers in milder weather, showcasing averages of 9°C (48°F) and maximums peaking at 26°C (80°F), creating a much more temperate climate. Precipitation levels are relatively close, with December receiving 65 mm (2.6 in) over 13 days and April witnessing slightly less at 52 mm (2.0 in) on 12 days. Additionally, while December has a higher humidity level at 92%, April's humidity drops to a more comfortable 79%. For more detailed information, you can check Cluj-Napoca weather in April.
In December, the weather is notably colder, with temperatures ranging from a chilling minimum of -13°C (9°F) to a maximum of 12°C (54°F) and an average around freezing at 0°C (33°F). The month experiences high humidity levels at 92%, along with 65 mm (2.6 in) of precipitation spread over 13 days. In contrast, May brings a significant warmth, with temperatures fluctuating between a low of -1°C (30°F) and peaking at 27°C (81°F), averaging 14°C (57°F). Though May sees increased precipitation at 115 mm (4.5 in) over 19 days, the humidity drops to a more comfortable 71%. For more about the weather in May, check out Cluj-Napoca weather in May.
When comparing the weather in December and June, the differences are quite pronounced. December experiences much colder temperatures, with a minimum of -13°C (9°F) and an average of 0°C (33°F), whereas June enjoys milder conditions, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 32°C (90°F). Precipitation in June is also higher, totaling 110 mm (4.3 in) over 18 days, compared to December's 65 mm (2.6 in) across 13 days. Additionally, the humidity is notably higher in December at 92%, compared to June’s 71%. For more details on the weather in June, you can visit Cluj-Napoca weather in June.
December and July in Cluj-Napoca present a striking contrast in weather. In December, temperatures range from a chilly minimum of -13°C (9°F) to a mild maximum of 12°C (54°F), with an average of around 0°C (33°F). The month is characterized by high humidity levels at 92%, and precipitation occurs on 13 days, totaling 65 mm (2.6 in). In contrast, July boasts warmer temperatures, with a minimum of 7°C (45°F), an average of 19°C (67°F), and a maximum that can reach up to 32°C (89°F). Humidity drops to a more comfortable 64%, although rainfall increases, with 100 mm (3.9 in) spread over 16 days. To find out more about the weather patterns in July, you can visit Cluj-Napoca weather in July.
December and August in Cluj-Napoca present strikingly contrasting weather conditions. December typically experiences frigid temperatures, with a minimum of -13°C (9°F) and an average hovering around 0°C (33°F), while August offers a much warmer climate, with temperatures ranging from a minimum of 6°C (43°F) to a peak of 35°C (95°F) on average. Precipitation levels are somewhat similar, with December receiving 65 mm (2.6 in) over 13 days and August slightly higher at 74 mm (2.9 in) over just 11 days. Additionally, humidity is notably higher in December at 92%, compared to a more comfortable 55% in August. For those interested in exploring more about the warm summer weather, check out Cluj-Napoca weather in August.
When comparing the weather in December and September, it’s clear that the two months present vastly different climates. In December, temperatures can drop as low as -13°C (9°F), with an average of 0°C (33°F) and a maximum of 12°C (54°F). This winter month also sees increased precipitation, with around 65 mm (2.6 in) over approximately 13 days, paired with a high humidity level of 92%. In contrast, September enjoys milder temperatures, ranging from a minimum of -1°C (31°F) to an average of 15°C (59°F) and peaks at 29°C (85°F). This month typically receives less precipitation at 59 mm (2.3 in) over about 8 days, accompanied by a more comfortable humidity of 64%. For a detailed look at September's climate, you can check out Cluj-Napoca weather in September.
In comparing the weather between December and October, one can observe significant differences in temperature and precipitation. December experiences much colder conditions, with temperatures ranging from a low of -13°C (9°F) to a maximum of 12°C (54°F) and an average temperature around 0°C (33°F). This month also sees higher precipitation levels, totaling 65 mm (2.6 in) over 13 days, alongside a notably high humidity of 92%. In contrast, October offers milder weather, characterized by a minimum temperature of -4°C (25°F), an average of 10°C (50°F), and a maximum that reaches a comfortable 24°C (76°F). Precipitation in October is slightly lower at 53 mm (2.1 in), occurring over just 7 days, and with a lower humidity of 83%. For additional insights, you can refer to Cluj-Napoca weather in October.
In December, the weather turns notably colder compared to November, with average temperatures hovering around 0°C (33°F) versus November's 5°C (41°F). The minimum temperatures drop further, reaching lows of -13°C (9°F) in December, while November experiences a milder minimum of -8°C (19°F). Precipitation increases in December to 65 mm (2.6 in), occurring over 13 days, compared to November's 41 mm (1.6 in) over just 9 days. Humidity remains fairly consistent between the two months, with December slightly higher at 92% compared to November's 91%. For a more detailed look at November weather, you can visit Cluj-Napoca weather in November.
As December settles over Cluj-Napoca, the city transforms into a winter wonderland, distinctively cooler than the preceding months. Temperatures dip sharply, with frigid days becoming the norm, and the shimmering prospect of snow adds a magical flair to the festive season. Compared to the milder autumn, December also sees an increase in precipitation, with over half the month characterized by cloudy, damp days. The humidity hangs high, enveloping the city in a chilly embrace that invites layers and hot drinks. For a deeper dive into weather patterns throughout the year, check out the Cluj-Napoca Climate page.