Climate averages 1991–2020
Constanţa weather
in January.
A cold, moderately wet month: the coolest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Constanţa: daytime highs average 4.8°C and nights cool to about -0.7°C. By daytime temperature it is the coolest month of the year.
Expect about 44 mm of rain on roughly 7 days, which makes January a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 17 min on an average January day.
The nearest other city in this atlas is Varna (122 km away). In January its highs average 5.5°C, 0.7°C warmer than Constanţa, with 46 mm of rain.
Among the 27 cities listed in Romania, Constanţa ranks 1st of 27 for the warmest January highs and 19th of 27 for the driest January (rainfall, lowest first). The mean January high of those 27 cities is 2.6°C; Constanţa is 2.2°C warmer than that mean.
From January to February, average highs rise by 1.6°C to 6.4°C, and monthly rainfall falls from 44 mm to 33 mm.
The annual picture
January in context
Monthly rainfall
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
Constanţa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 4.8°C-0.7°C | -0.7°C | 44 | 7.3 | 9.39 h |
| February | 6.4°C0.0°C | 0.0°C | 33 | 6.2 | 10.410 h |
| March | 9.8°C2.8°C | 2.8°C | 41 | 7.8 | 11.912 h |
| April | 14.4°C6.9°C | 6.9°C | 33 | 6.9 | 13.413 h |
| May | 20.0°C12.4°C | 12.4°C | 36 | 6.9 | 14.715 h |
| June | 24.6°C17.3°C | 17.3°C | 39 | 6.8 | 15.415 h |
| July | 27.1°C19.6°C | 19.6°C | 30 | 4.8 | 15.115 h |
| August | 27.2°C19.8°C | 19.8°C | 31 | 4.8 | 14.014 h |
| September | 22.5°C15.6°C | 15.6°C | 51 | 5.9 | 12.613 h |
| October | 17.0°C11.0°C | 11.0°C | 50 | 6.8 | 11.011 h |
| November | 11.5°C6.1°C | 6.1°C | 45 | 7.1 | 9.710 h |
| December | 6.4°C1.2°C | 1.2°C | 46 | 8.0 | 8.99 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
- Varna in JanuaryBulgaria · 122 kmHigh 5.5°C · Low -0.2°C · 46 mm rain
- Brăila in JanuaryRomania · 132 kmHigh 2.9°C · Low -3.7°C · 35 mm rain
- Galaţi in JanuaryRomania · 147 kmHigh 2.8°C · Low -3.8°C · 33 mm rain
- Shumen in JanuaryBulgaria · 171 kmHigh 4.1°C · Low -3.4°C · 47 mm rain
- Buzău in JanuaryRomania · 179 kmHigh 3.4°C · Low -3.9°C · 36 mm rain
- Bucharest in JanuaryRomania · 203 kmHigh 2.8°C · Low -4.6°C · 39 mm rain
- Burgas in JanuaryBulgaria · 209 kmHigh 6.4°C · Low -0.7°C · 53 mm rain
- Ruse in JanuaryBulgaria · 218 kmHigh 3.8°C · Low -3.2°C · 44 mm rain
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 Constanţa) is explained once on the Constanţa year overview and on the Sources, method and limits page.