Constanța weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: May – September
What is the weather like in Constanța in January?
In January, Constanța is cold: daytime highs average 5 °C, and nights often drop below freezing (0 °C). The sea averages 7.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain falls on about 7 days, adding up to 43 mm. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Constanța.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 23 | 24 | 29 |
| Day | 7° | 5° | 7° |
| Night | 2° | 0° | 0° |
| Sea | 10° | 7° | 6° |
| Sun | 3 h | 3 h | 4 h |
| Rain days | 7 | 7 | 6 |
More details for January
- Daylight
- 9 h 13 min07:38 – 16:51
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 68 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 3 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Bucharest
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %79 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Hat, scarf & gloves
Constanța in January: quick answers
Is Constanța hot in January?
No. In January, Constanța is cold: daytime highs average 5 °C and nights drop to about 0 °C.
Can you swim in Constanța in January?
Only if you don't mind cold water: in January the sea averages just 7.3 °C. Comfortable swimming is possible from June to September.
Does it rain much in Constanța in January?
Rain falls on about 7 days, adding up to 43 mm.
Constanța month by month
The whole year in ConstanțaAll destinations: RomaniaWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences