Climate averages 1991–2020
Iaşi weather
in January.
A cold month with light precipitation: the coolest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Iaşi: daytime highs average 1.5°C and nights cool to about -5.3°C. By daytime temperature it is the coolest month of the year.
Expect about 28 mm of precipitation on roughly 7 days, which makes January a month with light precipitation (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 8 h 57 min on an average January day.
The nearest other city in this atlas is Bălţi (71 km away). In January its highs average 0.9°C, 0.6°C cooler than Iaşi, with 28 mm of precipitation.
Among the 27 cities listed in Romania, Iaşi ranks 23rd of 27 for the warmest January highs and 3rd of 27 for the driest January (precipitation, lowest first). The mean January high of those 27 cities is 2.6°C; Iaşi is 1.1°C cooler than that mean.
From January to February, average highs rise by 2.4°C to 3.9°C, and monthly precipitation stays at 28 mm.
The annual picture
January in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Iaşi climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 1.5°C-5.3°C | -5.3°C | 28 | 6.5 | 9.09 h |
| February | 3.9°C-4.0°C | -4.0°C | 28 | 6.2 | 10.210 h |
| March | 9.4°C0.0°C | 0.0°C | 36 | 8.6 | 11.912 h |
| April | 16.1°C5.6°C | 5.6°C | 45 | 8.5 | 13.614 h |
| May | 21.8°C11.4°C | 11.4°C | 60 | 10.4 | 15.015 h |
| June | 25.5°C15.7°C | 15.7°C | 75 | 10.7 | 15.816 h |
| July | 27.4°C17.7°C | 17.7°C | 72 | 9.9 | 15.516 h |
| August | 27.1°C17.4°C | 17.4°C | 49 | 7.1 | 14.214 h |
| September | 21.5°C12.6°C | 12.6°C | 50 | 7.1 | 12.613 h |
| October | 15.1°C7.0°C | 7.0°C | 44 | 6.4 | 10.911 h |
| November | 8.3°C2.0°C | 2.0°C | 36 | 5.9 | 9.49 h |
| December | 2.8°C-3.2°C | -3.2°C | 35 | 7.0 | 8.69 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Bălţi in JanuaryMoldova · 71 kmHigh 0.9°C · Low -4.8°C · 28 mm precipitation
- Bacău in JanuaryRomania · 85 kmHigh 1.8°C · Low -5.7°C · 30 mm precipitation
- Botoşani in JanuaryRomania · 96 kmHigh 0.9°C · Low -5.5°C · 27 mm precipitation
- Chisinau in JanuaryMoldova · 97 kmHigh 1.7°C · Low -4.3°C · 33 mm precipitation
- Piatra Neamţ in JanuaryRomania · 100 kmHigh 0.7°C · Low -7.6°C · 29 mm precipitation
- Suceava in JanuaryRomania · 114 kmHigh 0.6°C · Low -7.0°C · 26 mm precipitation
- Bender in JanuaryMoldova · 147 kmHigh 1.7°C · Low -4.1°C · 34 mm precipitation
- Tiraspol in JanuaryMoldova · 158 kmHigh 1.6°C · Low -4.3°C · 34 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Iaşi) is explained once on the Iaşi year overview and on the Sources, method and limits page.