Constanţa
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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.

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

Constanţa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Constanţa - and find the best time to visit.

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 records 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    4/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    5/10
  • Outdoor sports
    3/10

Constanţa 3-Day Forecast

More climate data for Constanţa

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.