Last updated: August 27, 2025
January in București, Romania, showcases a chilly climate, where temperatures oscillate between a maximum of 15°C (59°F) during milder days and a frigid minimum of -23°C (-9°F). The month averages around 0°C (32°F), setting the stage for a winter wonderland. With a precipitation total of 40 mm (1.6 in) spread across 7 days, coatings of snow may dust the city, while an humidity level of 88% adds to the crisp, cold air. Residents and visitors alike should prepare for a blend of frosty mornings and occasional wet weather as they explore the charming streets of the capital.
In București, Romania, January is characterized by a significant temperature range, with lows plunging to a brisk -23°C (-9°F) and highs peaking at a relatively mild 15°C (59°F). This month typically sees an average temperature hovering around 0°C (32°F), setting a chilly stage for the winter season. As the city transitions into February, temperatures gradually rise, with the minimum settling at -14°C (6°F) and averages moving up to 3°C (37°F), hinting at the forthcoming hints of spring. While recent January days can be quite frigid, the overall trend suggests a shift towards milder weather as the months progress, with warm sunny days expected by March when highs can reach up to 25°C (77°F). This fluctuation draws a vivid picture of București's climate, where the contrasts between biting cold and moderate warmth create a dynamic tapestry throughout the winter months.
In January, București sees an average precipitation of 40 mm (1.6 in), typically spread across 7 days of the month. This modest amount marks the beginning of the year when winter is still in full swing, presenting a stark contrast to the heavier rains that follow in the spring. By February, the precipitation slightly increases to 43 mm (1.7 in), accompanied by a rise in wet days to 8. As the transition to spring occurs, March experiences a notable jump to 61 mm (2.4 in), with 9 precipitation days that signal a shift in weather patterns and the gradual warming trend. This pattern suggests that while January serves as a relatively dry month, it paves the way for the invigorating rains of March, highlighting a clear seasonal trend toward increased moisture as winter gives way to spring.
In January, Bucuresti experiences a notable humidity level of 88%, setting the tone for a month often marked by overcast skies and chilly winds. As winter progresses into February, humidity slightly decreases to 85%, yet the air remains quite moist. Moving into March, the trend continues with a drop to 82%, hinting at the slow transition towards spring. By April and May, humidity levels further decline to 73% and 71% respectively, as warmer temperatures begin to arrive. June and July bring even more relief with humidity falling to 70% and 66%, making the warmer months feel slightly more comfortable. However, as we reach August, humidity takes a sharp dip to 48%, offering a welcome contrast during the summer heat. The trend shifts again in September with a rise to 57%, signaling the onset of the fall season. October sees humidity climb back to 79%, while November and December return to the winter high of 87% and 88%, respectively, enveloping the city once more in that signature damp chill. Overall, the humidity in Bucuresti follows a clear seasonal pattern, reflecting the city's transition from cold, humid winters to warm, drier summers.
In January, Bucuresti experiences a UV Index of 2, indicating a low exposure category with a burn time of 45 minutes. This relatively mild value leads into February's rise to a UV Index of 3, which signifies a moderate exposure level. As spring approaches, March sees the index climb further to 5, reflecting a sustained moderate risk. However, the trend shifts dramatically in April, when the index peaks at 7, marking a high exposure level and reducing burn time to just 25 minutes. The UV Index most intensifies in the summer months, with values soaring to 9 in both June and July, signaling very high risk levels that shorten safe sun exposure to 15 minutes. As August rolls in, a slight easing occurs, dropping to 8, but still within the very high category. The trend begins to reverse in September as the index falls back to 7 and continues decreasing through the fall, finally returning to 2 in December. These variations highlight the importance of awareness and protection throughout the year. For more detailed insights, visit the Bucuresti UV Index.
UV Risk Categories
In Bucuresti, Romania, January welcomes the year with 169 hours of sunshine, a delightful but modest start compared to the brighter months ahead. As the seasons transition into February, the days gradually lengthen, bringing 231 hours of sun that hint at the approaching spring. By March, the sun continues to make its presence felt, reaching 293 hours, while April blossoms into a radiant 346 hours. This upward trend peaks in the summer months, with June and July boasting 405 and 425 hours respectively, showcasing the city's vibrant sunshine at its height. Even as autumn takes hold, September retains a sizable 343 hours, before the cooler months draw in with lesser sun, finishing the year at 215 hours in November and a subdued 191 hours in December. Thus, January serves as a gentle reminder of nature's cycle, with sunny days progressively illuminating the colder months.
In București, January sees a modest 27% chance of sunny weather, marking one of the year's lowest probabilities for sunshine. As winter unfolds into early spring, the likelihood gradually increases, with February rising to 36% and March further climbing to 42%. This upward trend continues into April and May, where sunny days remain equally probable at 41%. The pattern becomes more pronounced as summer approaches, with June jumping to 43% and a dramatic shift in July and August, where chances soar to 70%. Thus, while those seeking sun in January may find the skies often gray, a brighter outlook lies ahead as the seasons change.
In Bucuresti, Romania, January ushers in 9 hours of daylight, setting the stage for a gradual increase as the days stretch through the winter months. By February, daylight extends to 10 hours, hinting at the approaching spring. As March arrives, the city enjoys 11 hours of light, and by April’s arrival, this climbs to 13 hours, signaling the blossoming of longer days. May and June are the peaks, basking in 14 and 15 hours of daylight, respectively, before the duration begins to recede slowly. July maintains the same generous 15 hours, but as summer wanes, August sees a dip back to 13 hours. The gradual retreat continues into autumn, with September offering 12 hours, October dropping to 10 hours, and November and December concluding the year at 9 and 8 hours respectively. This rhythmic ebb and flow of daylight not only marks the changing seasons but also influences the lifestyle and activities of those living in this vibrant city.
In București, January ushers in a gentle breeze with an average wind speed of 3.0 m/s (7 mph), making it one of the windiest months of the year. This lively start contrasts with the following months, where February and March experience a slight decline, settling at 2.7 m/s (6 mph). As spring approaches, the winds continue to ease, with April and May dipping further to 2.6 m/s and 2.7 m/s, respectively. The summer months see a minimal drop, with June recording the calmest at 2.0 m/s (4 mph), showcasing a trend towards tranquil warm weather. Interestingly, the winds pick up again in October, returning to 3.0 m/s, suggesting a breezy transition into autumn. Overall, January's relatively brisk winds set the tone for the year, with a noticeable decrease in intensity as we move into the warmer months, before picking up again in the fall.
Weather in Bucuresti varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Bucuresti, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February present distinct temperature profiles and weather patterns. In January, temperatures can drop as low as -23°C (-9°F), but on average hover around 0°C (32°F), with a maximum of 15°C (59°F). This month experiences relatively high humidity at 88% and sees precipitation on about 7 days, totaling 40 mm (1.6 in). In contrast, February enjoys milder conditions, with minimum temperatures at -14°C (6°F) and an average of 3°C (37°F), reaching a maximum of 21°C (69°F). While precipitation slightly increases to 43 mm (1.7 in) over 8 days, the humidity remains relatively stable at 85%. For more detailed insights, check out Bucuresti weather in February.
In January, temperatures are significantly colder, with a minimum of -23°C (-9°F) and an average of 0°C (32°F), while March brings a noticeable warming trend with an average temperature of 6°C (44°F) and a maximum of 25°C (77°F). January experiences lower precipitation levels, totaling 40 mm (1.6 in) over seven days, compared to March, which sees an increase in rainfall to 61 mm (2.4 in) across nine days. Humidity levels remain relatively high in both months, but January is slightly more humid at 88%, compared to March's 82%. For a detailed outlook on March weather, you can check Bucuresti weather in March.
January and April present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -23°C (-9°F), with an average temperature around 0°C (32°F) and a maximum reaching only 15°C (59°F). The month experiences about 40 mm (1.6 in) of precipitation over 7 days, accompanied by high humidity of 88%. In contrast, April sees a significant warming trend, with temperatures ranging from a minimum of -1°C (30°F) to an average of 12°C (54°F) and peaking at 29°C (84°F). While it has slightly higher precipitation at 44 mm (1.7 in) over the same number of days, the humidity decreases to a more comfortable 73%. For more detailed insights, you can check Bucuresti weather in April.
January and May present stark contrasts in weather. January experiences frigid temperatures, with a minimum of -23°C (-9°F) and an average of 0°C (32°F), making it the coldest month of the year. The high rarely exceeds 15°C (59°F), and the humidity is a biting 88%. Precipitation occurs on about 7 days, totaling 40 mm (1.6 in), adding to the winter gloom.
In contrast, May ushers in a significant warmth, with temperatures ranging from a minimum of 4°C (39°F) to a pleasant average of 17°C (63°F) and reaching a maximum of 31°C (88°F). However, it's also a wetter month, receiving 69 mm (2.7 in) of rain over 11 days, but the humidity drops to a more comfortable 71%. For more detailed insights, check out Bucuresti weather in May.
In January, the weather is quite cold, with temperatures ranging from a frigid -23°C (-9°F) to a mild maximum of 15°C (59°F), resulting in an average temperature of around 0°C (32°F). The month sees relatively low precipitation, totaling 40 mm (1.6 in) over about 7 days, but the humidity remains high at 88%, adding to the chill in the air.
In contrast, June brings a significant warmth, with temperatures soaring from a minimum of 7°C (46°F) to a scorching maximum of 37°C (99°F) and an average of 22°C (71°F). The month experiences more rainfall, with 115 mm (4.5 in) spread over approximately 15 days, while the humidity decreases to a more comfortable 70%. For more information about the weather during this month, you can check Bucuresti weather in June.
In January, temperatures in Bucuresti can plummet to a chilling low of -23°C (-9°F), averaging around 0°C (32°F) and peaking at a mild 15°C (59°F). The month experiences about 40 mm (1.6 in) of precipitation over approximately 7 days, coupled with a high humidity level of 88%. In stark contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 12°C (54°F) to an average of 24°C (75°F), and soaring up to 38°C (100°F) at times. This summer month sees increased precipitation at 90 mm (3.5 in) spread over 10 days, though humidity levels drop to a more comfortable 66%. For more details, check out Bucuresti weather in July.
January and August present strikingly contrasting weather patterns. In January, temperatures plummet, with lows reaching -23°C (-9°F) and an average temperature hovering around 0°C (32°F). Precipitation occurs over 7 days, resulting in a chilly, humid environment with 88% humidity. Conversely, August brings warmth and vibrancy, with temperatures soaring to a minimum of 11°C (52°F) and averaging 25°C (77°F), peaking at a sizzling 38°C (101°F). The month sees slightly less rainfall, with 33 mm (1.3 in) over just 6 days and significantly lower humidity at 48%. For more details, you can check the Bucuresti weather in August.
January and September present strikingly contrasting weather conditions. In January, temperatures can plummet to a minimum of -23°C (-9°F), with an average temperature around 0°C (32°F) and highs reaching 15°C (59°F). The month often features a high level of humidity at 88%, while precipitation occurs on about 7 days, totaling 40 mm (1.6 in). Conversely, September experiences a much milder climate with minimum temperatures around 1°C (35°F) and average highs soaring up to 36°C (97°F), resulting in a pleasant average of 20°C (68°F). Rainfall is less frequent—only about 3 days—with a total of 23 mm (0.9 in) of precipitation and lower humidity at 57%. For more details on the September climate, you can visit Bucuresti weather in September.
January and October present stark contrasts in weather. In January, temperatures plummet, with lows reaching -23°C (-9°F) and an average around 0°C (32°F), while October enjoys milder conditions, with a minimum of 1°C (33°F) and an average of 13°C (56°F). Notably, October can see highs soaring up to 31°C (87°F), a significant departure from January’s comfortable peak of 15°C (59°F). Precipitation levels are higher in October at 70 mm (2.8 in) compared to January’s 40 mm (1.6 in), although both months experience rain on approximately 7 days. Humidity levels also differ, with January at 88% and October slightly lower at 79%. For more detailed information, check out Bucuresti weather in October.
January and November present distinctly different weather patterns. In January, temperatures can plummet to as low as -23°C (-9°F), with an average of 0°C (32°F) and a maximum reaching 15°C (59°F). On the other hand, November experiences milder temperatures, with a minimum of -5°C (24°F), an average of 7°C (45°F), and a high of 28°C (82°F). While January sees approximately 40 mm (1.6 in) of precipitation over 7 days and high humidity at 88%, November has slightly higher precipitation at 43 mm (1.7 in) across 8 days, coupled with a similar humidity level of 87%. For more detailed insights, you can check Bucuresti weather in November.
In comparing January and December weather, we see that January experiences much colder temperatures, with a minimum of -23°C (-9°F) and an average of 0°C (32°F), while December's minimum is slightly milder at -9°C (16°F) and an average of 3°C (37°F). Both months have max temperatures that reach similarly at around 15°C (59°F), but January's generally colder conditions can lead to a chillier overall experience. Precipitation in January totals 40 mm (1.6 inches) over 7 days, compared to December's higher total of 63 mm (2.5 inches) spread over 11 days. Humidity remains consistent at 88% for both months. For more detailed information, you can check Bucuresti weather in December.
As January blankets Bucuresti in winter's chill, it stands apart from other months with its stark temperature shifts and notable precipitation. With maximums reaching only 15°C and chilling lows plummeting to -23°C, January is a month of extremes, contrasting sharply with the mildness that warms the city in spring and summer. The air is laden with humidity at 88%, creating a crisp, frosty atmosphere, while the 40 mm of precipitation over about seven days often comes as snow, giving the city a picturesque winter scene. For a deeper dive into the nuances of this city's climate throughout the year, explore Bucuresti Climate.