Monthly climate guide
Iași weather in January
January in Iași is typically freezing, with average daytime highs around 1°C (33°F) and night-time lows near -6°C (21°F). The month usually brings about 30 mm of rain (fairly dry) and is often cloudy. Daytime highs are 2°C cooler than December and 2°C cooler than February.
What stands out in January
- Nights often drop below freezing (average low -6°C), so expect frost and icy mornings.
- It's one of the greyest months, with cloud cover near 78%.
- Iași is usually about 2°C warmer than Braşov, 230 km away, in January.
- Seasonally, January counts as mid-winter in Iași.
January is typically Iași's coolest month.It's usually the driest month of the year.
Avg high
1°C
33°F
Avg low
-6°C
21°F
Rainfall
30 mm
fairly dry
Humidity
89%
relative
Sky
78%
cloud · often cloudy
Iași weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 1°C / 33°F | -6°C / 21°F | 30 mm | 89% | 78% |
| February | 3°C / 38°F | -5°C / 23°F | 33 mm | 87% | 77% |
| March | 10°C / 50°F | -1°C / 31°F | 37 mm | 77% | 67% |
| April | 17°C / 63°F | 5°C / 40°F | 52 mm | 70% | 61% |
| May | 22°C / 72°F | 10°C / 51°F | 71 mm | 68% | 61% |
| June | 26°C / 80°F | 15°C / 59°F | 95 mm | 67% | 59% |
| July | 29°C / 84°F | 17°C / 62°F | 62 mm | 60% | 52% |
| August | 30°C / 85°F | 17°C / 62°F | 33 mm | 54% | 40% |
| September | 25°C / 76°F | 12°C / 53°F | 33 mm | 58% | 55% |
| October | 16°C / 62°F | 5°C / 42°F | 56 mm | 73% | 63% |
| November | 9°C / 48°F | 1°C / 33°F | 35 mm | 84% | 75% |
| December | 3°C / 37°F | -4°C / 25°F | 36 mm | 89% | 76% |
What to pack for January
- A proper insulated winter coat
- A hat, scarf and gloves
- Thermal base layers and warm, grippy boots for icy mornings
Is January a good time to visit Iași?
Compare the months in the chart above to find your ideal window.
Best time to visit Iași →Other Romania cities in January
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Iași weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/romania/iasi/january
<a href="https://weathercompare.eu/weather/romania/iasi/january">Iași weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/romania/iasi" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Iași weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/romania/iasi/january">Iași weather in January</a> – WeatherCompare</p>
Iași in January: quick answers
Is January a good time to visit Iași?
January is cool in Iași, with highs around 1°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Iași in January?
Average highs are about 1°C (33°F) and average lows about -6°C (21°F), based on 10 years of daily data.
Does it rain a lot in Iași in January?
Iași typically gets around 30 mm of rain in January — fairly dry. It's usually the driest month of the year.
Figures are long-term averages for the area around Iași (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.