Last updated: August 27, 2025
Iasi, Romania in January offers a chilly yet captivating winter experience, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 13°C (56°F). The average temperature sits around a brisk -1°C (30°F), highlighting the season's chill. January sees 23 mm (0.9 in) of precipitation over roughly 6 days, creating a humid atmosphere with 92% humidity that adds to the winter's crispness. Whether you're exploring the picturesque landscape blanketed in snow or enjoying the warmth of local cafes, Iasi in January is a season to be savored.
In Iași, Romania, January is characterized by its chilly temperatures, often dipping to a minimum of -18°C (0°F). This month sets the stage for the winter season, with an average temperature around -1°C (30°F), and maximums reaching a comfortable 13°C (56°F). As the month progresses, the temperatures gradually begin to climb, hinting at the changes to come in February, where the minimum can plunge to -20°C (-4°F) but averages shift to 1°C (34°F). The steady rise in temperatures continues into March, presenting a notable transition with a minimum of -15°C (5°F) and averaging 5°C (41°F). This gradual warming trend signals the slow but steady arrival of spring in Iași, showcasing the region's distinct seasonal contrasts and preparing locals for the forthcoming months of milder weather.
In January, Iasi, Romania, experiences a modest precipitation total of 23 mm (0.9 in), spread over just 6 days. This relatively low amount marks the beginning of the year, often characterized by cold, crisp air and occasional snow flurries. As the months progress into spring and summer, precipitation levels notably increase, peaking in June with 97 mm (3.8 in) over 14 days. This trend reflects both seasonal shifts in weather patterns and the region's transition from the dry, chilly January to the warmer, more humid months, showcasing how Iasi's climate evolves throughout the year.
In January, Iasi, Romania, experiences a notable peak in humidity at 92%, creating a crisp and often damp atmosphere that characterizes the month. As winter transitions to spring, the humidity gradually declines, with February and March following at 88% and 86% respectively. The trend continues into April and May, where levels drop to 79% and 73%, indicative of a welcoming shift toward milder weather. The summer months of June and July maintain this lower range at 73% and 68%, providing a refreshing respite. However, as autumn approaches, humidity begins to rise again, climbing back to 80% in October. This trend of increasing humidity sees a notable resurgence by November at 89% and again in December, closing the year with 90%. Overall, Iasi’s humidity patterns reflect the region’s seasonal shifts, from the damp chill of winter to the relatively dry warmth of summer.
In January, Iasi experiences a UV Index of 2, categorized as low, which means residents and visitors can enjoy the winter sun without much concern for sunburn, with a burn time of approximately 45 minutes. As the months progress toward spring, the UV Index gradually increases, reaching 3 in February and 5 in March, indicating a shift to moderate exposure levels. By April, the index climbs to 6, marking the start of the high exposure season, and with the arrival of summer in May and June, it peaks at 8 and 9, respectively—conditions classified as very high, necessitating a keen awareness of sun safety with a reduced burn time of just 15 minutes during these months. This trend of increasing UV exposure continues into peak summer, before tapering off as autumn approaches, with a gradual decline back to a UV Index of 2 by December. For more insights on the UV Index throughout the year, visit Iasi UV Index.
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In Iasi, Romania, January marks the beginning of the year with a modest 154 hours of sunshine, heralding a gradual increase as winter turns to spring. As February rolls in, sunlight climbs to 214 hours, suggesting a hopeful shift towards longer days. March brings a notable surge to 297 hours, further energizing the city, while April shines even brighter with 347 hours. The peak of sunlight is felt in the summer months, culminating in July with an impressive 431 hours, before slightly tapering off in August to 409 hours. As the year progresses into autumn, sunshine hours steadily decline, with September recording 335 hours, and a sharper drop in October to 284 hours. By November and December, daylight dwindles to 198 and 157 hours, respectively, bringing a reflective close to the year. This trend illustrates Iasi's vibrant seasonal transition, showcasing the beauty of each phase while hinting at the return of winter's embrace.
In Iasi, Romania, January boasts a 29% chance of sunny weather, marking it one of the darker months of the year. As winter wanes into spring, there’s a noticeable upward trend in sunlit days; February sees a slight increase to 33%, and by March, the probability of sunshine climbs to 37%. This gradual shift continues, with April reaching 47%, bringing a refreshing touch of warmth. The overall pattern reveals that while January may lack in bright days, the promise of longer, sunnier periods is just around the corner, with peak sunshine hitting a breezy 56% in August. Embrace the stillness of January's clouds, for brighter days lie ahead in Iasi’s unfolding seasons.
In Iasi, Romania, January heralds the year with 8 hours of daylight, setting a tranquil tone for the winter months. As February unfolds, daylight begins to stretch, increasing by 2 hours to a refreshing 10 hours, signaling the gradual approach of spring. March continues this positive trend with 11 hours, while April delights with an impressive 13 hours of sunlight, enriching the days as nature starts to awaken. May and June bring a peak of 15 hours of daylight, creating long, sun-soaked days perfect for outdoor adventures. As summer gently fades into August, daylight hours slightly diminish to 14 hours, reminding us of the impending transition to autumn. By September, sunlight wanes to 12 hours, and October offers a further decrease to 10 hours, marking the onset of shorter days. November and December bring us back to 9 hours and 8 hours, respectively, as the cycle completes, once again embracing the cozy atmosphere of winter in this charming city. This rhythmic ebb and flow of daylight not only reflects the changing seasons but also the vibrant pulse of life in Iasi throughout the year.
In January, Iasi, Romania, experiences a gentle average wind speed of 2.7 m/s (about 6 mph), setting a calm tone for the month. This briskness subtly gives way to a slight increase in February, where winds pick up to 3.0 m/s, before reaching their peak in March at 3.2 m/s. As spring approaches, the winds begin to soften, dropping to 2.5 m/s in April, suggesting a seasonal transition. Interestingly, the trend maintains a relatively stable wind pattern into the warmer months, fluctuating between 2.4 m/s and 3.1 m/s from July to June, with a slight uptick again in November before descending into December’s 3.2 m/s. Overall, January's winds reflect a consistent pattern of mildness, gently shifting through a blend of calmness and seasonal vitality.
Weather in Iasi varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Iasi, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit distinct weather patterns, with February generally experiencing slightly milder temperatures. In January, temperatures range from a minimum of -18°C (0°F) to a maximum of 13°C (56°F), with an average of -1°C (30°F), while February shows a broader range with a minimum of -20°C (-4°F) and a maximum of 18°C (65°F), averaging at 1°C (34°F). Precipitation is higher in February, totaling 36 mm (1.4 in) over 7 days compared to January's 23 mm (0.9 in) over 6 days. Humidity remains high in both months, at 92% in January and slightly lower at 88% in February. For more details on the February weather in this region, check Iasi weather in February.
January weather in Iasi is characterized by significantly colder temperatures, with a minimum reaching -18°C (0°F) and an average of -1°C (30°F). In contrast, March brings a noticeable warming trend, with temperatures rising to a minimum of -15°C (5°F) and an average of 5°C (41°F). While January sees around 23 mm (0.9 in) of precipitation over six days, March experiences more rain, totaling 38 mm (1.5 in) over nine days. Humidity levels are also slightly lower in March at 86%, compared to January's 92%. For more details on the weather conditions during this month, you can check Iasi weather in March.
January in Iasi presents a cold and frosty atmosphere, with temperatures ranging from a chilling -18°C (0°F) to a maximum of 13°C (56°F) and an average temperature of -1°C (30°F). The month sees about 23 mm (0.9 in) of precipitation over approximately six days, combined with high humidity levels at 92%. In stark contrast, April ushers in milder conditions, with temperatures ranging from a low of -6°C (22°F) to a warm maximum of 28°C (82°F) and an average of 11°C (52°F). The precipitation increases slightly to 34 mm (1.4 in) and occurs over seven days, while humidity decreases to 79%. For more details about the weather in April, you can check out Iasi weather in April.
In January, the weather in Iasi is characterized by frigid temperatures, with a minimum reaching as low as -18°C (0°F) and an average hovering around -1°C (30°F). The month sees light precipitation of 23 mm over about 6 days, while humidity remains high at 92%, contributing to the cold, damp atmosphere. In contrast, May brings a significant warmth, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 30°C (87°F) and an average of 16°C (62°F). Precipitation also increases in May to 68 mm over 11 days, but the humidity drops to a more comfortable 73%, making it a much more pleasant and inviting time of year. For more detailed information on the weather in May, check out Iasi weather in May.
January and June present starkly contrasting weather conditions. In January, temperatures can dip as low as -18°C (0°F), with an average of -1°C (30°F) and a maximum of 13°C (56°F). The month is characterized by high humidity at 92%, along with 23 mm of precipitation over six days. Conversely, June boasts much milder temperatures, with a minimum of 8°C (47°F), an average of 21°C (71°F), and highs reaching 33°C (91°F). It experiences more rainfall, totaling 97 mm over 14 days, but with lower humidity at 73%. For more insights about the weather in June, visit Iasi weather in June.
The weather in January and July presents a striking contrast. In January, temperatures can plunge to a minimum of -18°C (0°F) with an average of -1°C (30°F), peaking at just 13°C (56°F). Precipitation is relatively low at 23 mm (0.9 in) over six days, accompanied by high humidity levels of 92%. In contrast, July boasts much milder temperatures, starting at a minimum of 11°C (52°F) and averaging 22°C (73°F), reaching a maximum of 35°C (96°F). While July experiences increased precipitation of 62 mm (2.4 in) over nine days, the humidity is notably lower at 68%. For a detailed view of July weather in Iasi, you can visit Iasi weather in July.
January and August in Iasi present a stark contrast in weather conditions. In January, temperatures can plummet to a minimum of -18°C (0°F), with an average of -1°C (30°F) and a maximum of 13°C (56°F). The month is marked by high humidity at 92% and relatively low precipitation, with only 23 mm (0.9 in) over six days. In contrast, August boasts much warmer weather, where temperatures range from a minimum of 8°C (46°F) to a scorching maximum of 37°C (99°F), with an average of 23°C (74°F). Although August experiences more precipitation, totaling 41 mm (1.6 in), the humidity is significantly lower at 56%. These differences highlight the dramatic seasonal shifts in Iasi's climate. For more insights on August weather in Iasi, visit Iasi weather in August.
January and September showcase distinct differences in weather patterns. In January, temperatures can plunge to a chilling minimum of -18°C (0°F) and average around -1°C (30°F), reaching a maximum of 13°C (56°F). The month experiences about 23 mm (0.9 in) of precipitation over six days, coupled with high humidity levels at 92%. In contrast, September welcomes milder temperatures, with a minimum of 3°C (37°F) and an average of 18°C (65°F), peaking at a warm 34°C (94°F). Although it sees a slight increase in precipitation to 28 mm (1.1 in) over the same number of days, the humidity drops to a more comfortable 62%. For a more detailed look at September weather specifically, check out Iasi weather in September.
January and October present starkly contrasting weather conditions. In January, temperatures plummet to a minimum of -18°C (0°F), with an average of -1°C (30°F) and a maximum of 13°C (56°F). This cold month experiences high humidity at 92%, along with light precipitation totaling 23 mm (0.9 in) over six days. In comparison, October enjoys much milder temperatures, ranging from a minimum of 0°C (32°F) to a pleasant maximum of 27°C (81°F), with an average of 12°C (54°F). With precipitation slightly higher at 33 mm (1.3 in) over just four days and lower humidity at 80%, October offers a much more comfortable climate. For more insights about October's weather, check out Iasi weather in October.
In January, the weather in Iasi is characterized by much colder temperatures, with a minimum of -18°C (0°F) and an average of -1°C (30°F), compared to November's milder conditions, where temperatures range from a minimum of -6°C (21°F) to an average of 6°C (43°F). Despite both months experiencing precipitation on six days, January sees a total of 23 mm (0.9 in), while November receives slightly more at 31 mm (1.2 in). Humidity levels are also quite similar, with January at 92% and November at 89%. For more detailed insights into November's weather, visit Iasi weather in November.
In January, temperatures are generally colder than in December, with January's minimum reaching -18°C (0°F) compared to December's -13°C (8°F). The average temperature in January hovers around -1°C (30°F), while December is slightly warmer at 2°C (35°F). Additionally, January experiences less precipitation, with 23 mm (0.9 in) over 6 days, compared to December’s 53 mm (2.1 in) over 11 days. Both months have high humidity, with January at 92% and December at 90%. For a detailed look at December's weather, you can refer to Iasi weather in December.
January in Iași is marked by a distinct chill, setting it apart from other months. With temperatures dipping significantly in the cold season, residents and visitors alike experience a stark contrast to the milder climates of autumn and spring. While the average temperature hovers around -1°C, the possibility of plunging to a chilly -18°C creates a winter wonderland aesthetic, albeit with a bite. January also tends to be characterized by higher humidity levels, which can intensify the cold feel, and occasional precipitation, contributing to the overall dreariness of the month. For those planning to explore the city during this time, the subtle beauty of winter in Iași awaits, contrasting sharply with the vibrant scenes of summer. Discover more about the seasonal nuances by visiting Iasi Climate.