Weather in Iasi in January 2026
- January is usually the coldest month of the year in Iasi;
Average weather
Average temperature in Iasi in January
The temperature in January is +45°F on average, with a range between a maximum of +68°F during the day and a minimum of +25°F at night.
The average maximum temperature goes down 46% by the end of the month, compared with the beginning of the month, from +59°F to +39°F.
Is Iasi warm or cold in January?
Iasi is typically chill in January.
Maximum temperatures go down compared to the previous month from +37°F to +36°F. The minimum temperature also goes down from +28°F to +23°F.
Pack a jumper and a jacket as there will be cooler temperatures.
January is the coldest month in Iasi, here is the comparison with other months:
Climate in Iasi in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +37°F | +36°F | +39°F | ||||
| Min. temperature | ||||||
| -15°F | -15°F | -9°F | ||||
| Max. temperature | ||||||
| +64°F | +68°F | +70°F | ||||
| Rainfall | ||||||
| 137 mm | 129 mm | 115 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 85% | 84% | 80% | ||||
| Air pressure | ||||||
| 1019 HPa | 1019 HPa | 1018 HPa | ||||
| Sunny days | ||||||
| 4 | 4 | 4 | ||||
| Cloudy days | ||||||
| 15 | 15 | 13 | ||||
| Rainy days | ||||||
| 5 | 4 | 4 | ||||
| Snowy days | ||||||
| 7 | 9 | 7 | ||||
January weather is still as bad as in December. It’s getting colder in January. From +37°F in the day, the average maximum temperature lowers to +36°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 137 mm to 129 mm. It feels drier, as humidity decreases from 85% to 84%. The average wind speed doesn’t change much during January, staying around 2 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.
But maybe it is worth considering traveling in February as the weather gets better.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Iasi is gradually increasing during January, going from 2 m/s to 2 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Iasi.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Iasi?
Climate Change Over the Years
The climate in Iasi in January has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+55°F) and the highest in 2024 (+65°F). The driest year was 2018 with only 259 mm of rainfall, and the wettest year was 2024 with 21604 mm.
FAQ
Is January a good time to visit Iasi?
Can you sunbathe in Iasi in January?
Is Iasi rainy in January?
Is it sunny in Iasi in January?
Other cities in Romania
Monthly weather in Iasi
Source of the data
For this page, we’ve looked at the typical weather in Iasi, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
