Iaşi Weather in January
Iaşi in January sees low daytime temperatures of 2°C (36°F) and nighttime lows of -5°C (23°F). With just 35 mm (1.4 in) of snow/rainfall on average, it's the driest month of the year.
Rainfall in Iaşi in January
With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors, even if the temperatures require a jacket. Climate statistics over the past 30 years suggest around 12 days of snow/rain, with 35 mm (1.4 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Iaşi in January
Iaşi in January gets highs of 2°C (36°F) during the day and drops to -5°C (23°F) at night. The winter season is characteristic of January. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. Nights are well below freezing at -5°C (23°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.
Sunshine in Iaşi in January
This month is characterized by fewer sunny days, with about 69 hours of sunshine. It's great for those who appreciate cooler, less sunny days.
Wind Speed in Iaşi in January
January has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.January in Iaşi can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Romania, check out our Iaşi's climate page.
Iaşi Temperature in January
Min Temperature
-5°C (23°F)
Max Temperature
2°C (36°F)
Chance of Rain
41%
Precipitation
35 mm (1.4 in)
Rainy days
12 days
Humidity
83%
Windspeed
3 m/s (6 knots)
Sunshine
69 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Iaşi typically stay consistent throughout January, with daily highs averaging around 2°C (36°F). Nights are very cold, with lows typically ranging from -6°C (21°F) to -4°C (25°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Iaşi in January
Browse day-by-day weather records for Iaşi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Iaşi historical weather extremes in January
Based on 25 years of weather observations in Iaşi between 2000 and 2025, these are the recorded extremes.
- On January 19, 2023, temperatures climbed to 19°C (66°F), marking the warmest January day on record.
Best Places in Romania in January
Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in January →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Iaşi in January
We recommend to layer up for chilly conditions in Iaşi in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Some rain is possible, so pack something to handle light showers. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Iaşi in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Romania, check out our Iaşi's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Iaşi climate overview or explore weather in Romania.
