Last updated: August 27, 2025
Iasi, Romania experiences a mild October, characterized by a maximum temperature of 27°C (81°F), an average of 12°C (54°F), and a refreshing minimum of 0°C (32°F). This month brings moderate rainfall, with precipitation totaling 33 mm (1.3 in) over just 4 days, contributing to an 80% humidity level that adds a crispness to the autumn air. As leaves turn vibrant shades and the city prepares for winter, October offers a delightful blend of warmth and coolness, making it an ideal time to explore Iasi's rich cultural heritage amidst a picturesque backdrop.
In October, Iasi, Romania, experiences a delightful transition as autumn settles in, with temperatures gradually cooling down from the warmth of summer. The month begins with a minimum of around 0°C (32°F) and an average of 12°C (54°F), providing a crisp yet inviting atmosphere. As the month progresses, daytime highs can reach up to 27°C (81°F), making it one of the last opportunities to enjoy pleasant outdoor activities before winter sets in. This gradual shift from the warmer autumn days to the chill of late fall presents a beautiful tapestry of seasonal change, characterized by vibrant foliage and a refreshing climate perfect for exploration. As temperatures dip, residents and visitors alike embrace cozy gatherings, offering a perfect blend of outdoor adventures and indoor comfort in this enchanting Romanian city.
October in Iasi, Romania, marks a transitional phase as the city experiences an average precipitation of 33 mm (1.3 in) over just 4 days. This decrease in rainfall compared to the more robust summer months suggests a shift towards cooler, drier conditions. While October doesn't see the high totals of June (97 mm) or May (68 mm), it aligns closely with the precipitation levels of March and April, which also hover around the same amount. This month’s rainfall is primarily a gentle reminder that winter is approaching; the crisp air and occasional drizzle create a picturesque autumn setting. As October unfolds, the trend indicates an overall reduction in both precipitation amounts and frequency of rainy days, which becomes a precursor to the drier winter months ahead.
As October rolls into Iasi, Romania, residents can expect a noticeable uptick in humidity, reaching 80%—a significant shift from the drier summer months. This rise continues the trend of climbing moisture levels as the year progresses, following the lower figures of 56% in August and 62% in September. Compared to the winter peak of 92% in January, October strikes a balance, hinting at the impending chill of autumn while still retaining a substantial level of humidity. Overall, the transition from summer to fall is marked by this gradual increase, creating a more refreshing atmosphere that prepares the city for the wetter months ahead.
As October unfolds in Iasi, Romania, the UV Index reflects a moderate level of sun exposure with a reading of 4. This suggests that while the sun's rays are less intense than during the peak summer months, caution is still warranted, especially for extended outdoor activities, with a burn time of 30 minutes. Following the high levels seen in May through September, where readings peaked at 9, October marks a notable decrease in intensity, reminiscent of the milder indices found in early spring and late autumn. As such, residents and visitors alike can enjoy the beauty of the fall season while remaining mindful of sun safety. For more details on UV levels throughout the year, visit Iasi UV Index.
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In October, Iasi basks in a generous 284 hours of sunshine, marking a gradual decline from the summer peak of 431 hours in July. This month brings a softer light as the vibrancy of autumn settles in, following a thrilling crescendo in sunny days experienced through the spring and summer. While October's sunshine is less abundant than the preceding months, it still offers a buoyant atmosphere, artistically contrasting with the 198 hours of daylight in November. As the year wanes, Iasi's October serves as a beautiful reminder of the sun's warmth before the winter chill sets in, making it a perfect time for leisurely strolls amidst the city's stunning fall foliage.
In Iasi, Romania, October marks a notable shift in weather patterns, boasting a 50% chance of sunny days. This places it squarely in the middle of the year's sunshine spectrum, a significant improvement over the dreary winter months. After the brighter summer months, where August peaks at 56%, October offers a pleasing balance between sun and the crispness of fall. Interestingly, as the year progresses from January's low 29% to this autumnal high, there's a clear upward trend in sunny opportunities, suggesting October is an inviting time for enjoying the golden hues of autumn while basking in the sun's glow.
As October unfolds in Iasi, Romania, the city's daylight duration begins to decline, offering only 10 hours of light each day. This month marks a noticeable shift from the vibrant growth of summer, where daylight peaked at 15 hours in June through August. As the leaves turn and the air cools, the diminishing daylight mirrors the transition into autumn, following the steady decrease that started in September with 12 hours. The trend of shortening days continues into November and December, which will plunge back to the shorter 8-hour spans experienced in winter’s depths. Iasi’s October sunlight serves as a gentle reminder of the cyclical nature of time, gradually leading the city into the quieter, reflective months ahead.
As October settles over Iasi, Romania, the wind whispers a gentle breeze with an average speed of 2.5 m/s (6 mph), reflecting a slight dip compared to the energetic gusts of earlier months. This trend of lower wind speeds is echoed from the summer months, where July and August both hovered around 2.4 m/s (5 mph), indicating a calmness in the air as autumn takes hold. Following the mild September winds, October brings a refreshing yet subdued quality, offering a serene backdrop to the vibrant fall foliage. Interestingly, November marks a subtle uptick to 2.9 m/s (6 mph), hinting at a shift as winter approaches. This seasonal rhythm in Iasi captures the essence of transition, where each gust carries whispers of change in the crisp autumn air.
Weather in Iasi varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Iasi, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present starkly contrasting weather conditions. In October, temperatures range from a chilly 0°C (32°F) at night to a warm 27°C (81°F) during the day, with an average of 12°C (54°F). The month is relatively moist, receiving about 33 mm (1.3 in) of precipitation over four days, while humidity levels are around 80%. In comparison, January experiences much harsher weather, with temperatures dropping to a minimum of -18°C (0°F) and averaging -1°C (30°F), peaking at only 13°C (56°F). Precipitation is lower at 23 mm (0.9 in) but spread over six days, and the humidity is higher at 92%. For more detailed information, you can check out Iasi weather in January.
October and February present markedly different weather patterns. In October, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 27°C (81°F), with an average of 12°C (54°F). The month sees about 33 mm (1.3 in) of precipitation spread over approximately 4 days, accompanied by high humidity levels of 80%. In contrast, February is much colder, with a minimum temperature plunging to -20°C (-4°F) and an average of just 1°C (34°F). Though the maximum in February reaches 18°C (65°F), it experiences slightly more precipitation, totaling 36 mm (1.4 in) across 7 days, and even higher humidity at 88%. To learn more about February's weather specifics, you can visit Iasi weather in February.
When comparing the weather in October and March, significant differences emerge. October experiences milder temperatures, with a minimum of 0°C (32°F) and an average of 12°C (54°F), peaking at 27°C (81°F). In contrast, March can still feel quite chilly, with lows reaching -15°C (5°F) and an average temperature of only 5°C (41°F), although it can climb up to a maximum of 23°C (74°F). October sees moderate precipitation of 33 mm (1.3 in) over just 4 days, while March has slightly more rainfall at 38 mm (1.5 in) but over a longer period of 9 days. Additionally, humidity levels are higher in March at 86% compared to October's 80%. For more detailed insights, you can check Iasi weather in March.
The weather in October and April presents distinct contrasts. In October, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant average of 12°C (54°F), peaking at a maximum of 27°C (81°F). With 33 mm (1.3 in) of precipitation over four days, the humidity hovers around 80%. In contrast, April experiences cooler minimums of -6°C (22°F) but has a similar average temperature of 11°C (52°F) and can reach up to 28°C (82°F). This month sees slightly more rainfall at 34 mm (1.4 in) across seven days, with humidity levels at 79%. For a more detailed look at April's climate, visit Iasi weather in April.
October and May present contrasting weather patterns, with October typically cooler and more variable. In October, temperatures range from a minimum of 0°C (32°F) to a maximum of 27°C (81°F), with an average of 12°C (54°F) and relatively high humidity at 80%. This month experiences about 33 mm (1.3 in) of precipitation over approximately 4 days, making it less rainy than May. Conversely, May sees warmer temperatures, with a minimum of 3°C (38°F) and a maximum of 30°C (87°F), averaging 16°C (62°F). This month tends to be wetter, with 68 mm (2.7 in) of rain falling over roughly 11 days, while humidity is lower at 73%. For more details on the weather in May, you can check Iasi weather in May.
October and June present contrasting weather patterns. In October, temperatures range from a chilly 0°C (32°F) at night to a comfortable 27°C (81°F) during the day, with an average of 12°C (54°F). The month experiences moderate humidity at 80% and only sees about 33 mm (1.3 in) of precipitation over just four days. In contrast, June enjoys warmer temperatures with a minimum of 8°C (47°F) and a daily max of 33°C (91°F), averaging 21°C (71°F). However, it also has higher precipitation at 97 mm (3.8 in) spread over 14 days and a lower humidity level at 73%. For a closer look at weather specifics in June, you can visit Iasi weather in June.
In comparing October and July weather, October presents a cooler climate characterized by a temperature range from a minimum of 0°C (32°F) to a maximum of 27°C (81°F), averaging around 12°C (54°F). This month experiences about 33 mm (1.3 in) of precipitation over approximately 4 days, with a higher humidity level of 80%. In contrast, July is notably warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 35°C (96°F), averaging 22°C (73°F). July also sees more precipitation, totaling 62 mm (2.4 in) spread over 9 days, but with a lower humidity of 68%. For more details about July weather, you can visit Iasi weather in July.
In October, temperatures begin to cool down, with a minimum of 0°C (32°F) and an average of 12°C (54°F), compared to the warmer August temperatures, which range from a minimum of 8°C (46°F) to an average of 23°C (74°F). The maximum temperature in October can reach 27°C (81°F), but this is significantly lower than August’s peak of 37°C (99°F). While October sees approximately 33 mm (1.3 in) of precipitation over four days, August receives slightly more rain at 41 mm (1.6 in) across six days. Additionally, humidity levels in October are higher at 80%, compared to the more comfortable 56% typical of August. For more detailed information, you can check the link: Iasi weather in August.
In comparing the weather between September and October, we see a notable shift towards cooler temperatures in October. While September enjoys a higher average temperature of 18°C (65°F) with maximums reaching up to 34°C (94°F), October’s average drops to 12°C (54°F), with a maximum of only 27°C (81°F). Additionally, October experiences more humidity at 80%, compared to September's 62%, reflecting a more damp atmosphere as the month progresses. Precipitation also increases slightly, with October recording 33 mm (1.3 in) over 4 days, compared to September's 28 mm (1.1 in) over 6 days. For a detailed overview of September's conditions, you can refer to Iasi weather in September.
October and November display notable differences in weather patterns. October boasts milder temperatures, with a minimum of 0°C (32°F) and an average of 12°C (54°F), while November sees a drop to a minimum of -6°C (21°F) and an average of only 6°C (43°F). Although both months experience similar levels of precipitation—33 mm (1.3 in) in October versus 31 mm (1.2 in) in November—November has a slightly higher frequency of rainy days at six compared to October's four. Additionally, humidity levels rise from 80% in October to 89% in November, contributing to a cooler, damper feel as autumn progresses. For a more detailed analysis, see Iasi weather in November.
October and December present striking contrasts in weather conditions. October boasts milder temperatures with a minimum of 0°C (32°F) and an average of 12°C (54°F), peaking at a pleasant 27°C (81°F). In this month, the precipitation is relatively low at 33 mm (1.3 in) over just 4 days, with a humidity level of 80%. In contrast, December sees a significant drop in temperatures, with a minimum of -13°C (8°F) and an average of 2°C (35°F), while the maximum reaches only 16°C (61°F). This month experiences more precipitation, totaling 53 mm (2.1 in) over 11 days, accompanied by increased humidity at 90%. To learn more about the specifics of the December climate, check out Iasi weather in December.
As October unfolds in Iași, the weather presents a notable shift from the summer's warmth, characterized by a comfortable average temperature that invites outdoor exploration. With a maximum of 27°C during the day and a cool 12°C on average, the transitional month offers a refreshing respite from the heat, though evenings can be brisk, occasionally dipping to 0°C. Rainfall is minimal, with only a few days of precipitation, making October a relatively dry period, yet the humidity remains high at around 80%, giving the air a crisp, invigorating feel. This blend of mild temperatures and freshness distinguishes October as a unique chapter in Iași's climate narrative, one that beautifully heralds the arrival of autumn. For a deeper dive into what to expect from Iasi’s weather throughout the year, check out Iasi Climate.