Constanţa Weather in January
January in Constanţa typically sees daytime highs of 6°C (43°F) and nighttime lows of 0°C (32°F). Expect some rainfall during the month. It falls within the winter season.
Rainfall in Constanţa in January
You can typically expect 10 days of rain this month, averaging around 47 mm (1.9 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Constanţa in January
Daytime highs in Constanţa in January reach 6°C (43°F), with nights around 0°C (32°F). Experience the winter season in January. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. At 0°C (32°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. Prepare for the coldest month of the year by packing warm and cozy winter cloths.
Sunshine in Constanţa in January
The area sees fewer sunny days, with a projection of about 83 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.
Wind Speed in Constanţa in January
January has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in January
At 8°C (46°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Constanţa. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Constanţa's climate page.
Constanţa Temperature in January
Min Temperature
0°C (32°F)
Max Temperature
6°C (43°F)
Water Temperature
8°C (46°F)
Chance of Rain
34%
Precipitation
47 mm (1.9 in)
Rainy days
10 days
Humidity
86%
Windspeed
5 m/s (10 knots)
Sunshine
83 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Constanţa typically stay consistent throughout January, with daily highs averaging around 6°C (43°F). Nights are very cold, with lows around -2°C (28°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 Constanţa in January
Browse day-by-day weather records for Constanţa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Constanţa historical weather extremes in January
Based on weather observations in Constanţa between 1976 and 2025, these are the recorded extremes during January.
- On January 29, 2025, 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 →
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What to Wear in Constanţa in January
We recommend to layer up for chilly conditions in Constanţa 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. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 8°C (46°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Constanţa 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 Constanţa's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Constanţa climate overview or explore weather in Romania.
