Weather in Constanţa for December 2025
With an average of 2 snowy days, Constanţa usually enjoys a light touch of snow in December.
According to Constanţa snow forecast for December 2025, no snow is expected in the next 2 weeks.Until now, December 2025 in Constanţa has been nearly identical to the historical average, with a temperature of 9.9 °C (showing only a slight deviation of -0.3 °C).
Expect cooler weather in the next days in Constanţa with the forecast suggesting a temperature of 7.6 °C, lower than the historical average.
In general, the average temperature in Constanţa at the beginning of December is 10.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 7.7 °C by the end of December.
Constanţa in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 52.1 mm.
Snow Forecast ❄️
Temperatures
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Constanţa Weather December
Temperatures trend during December in Constanţa
December weather in Constanţa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 10° /5° | 0.6 mm | 3 | |
| 2 Dec. | Patchy rain possible | 11° /6° | 0.3 mm | 3 | |
| 3 Dec. | Patchy rain possible | 12° /6° | 1.8 mm | 3 | |
| 4 Dec. | Patchy rain possible | 8° /5° | 1.8 mm | 2 | |
| 5 Dec. |  Overcast | 9° /5° | 0.6 mm | 2 | |
| 6 Dec. | Patchy rain possible | 11° /8° | 0.5 mm | 3 | |
| 7 Dec. | Patchy rain possible | 11° /8° | 6.1 mm | 3 | |
| 8 Dec. | Patchy rain possible | 9° /5° | 3.7 mm | 2 | |
| 9 Dec. |  Cloudy | 9° /5° | 1.5 mm | 3 | |
| 10 Dec. | Overcast | 11° /6° | 3 mm | 3 | |
| 11 Dec. | Overcast | 11° /6° | 1.3 mm | 3 | |
| 12 Dec. |  Heavy rain at times | 10° /5° | 2.5 mm | 3 | |
| 13 Dec. | Patchy rain possible | 8° /4° | 1.1 mm | 2 | |
| 14 Dec. |  Sunny | 10° /5° | 0 mm | 0.2 | |
| 15 Dec. | Sunny | 10° /5° | 0 mm | 0.2 | |
| 16 Dec. |  Partly cloudy | 9° /5° | 0 mm | 0.2 | |
| 17 Dec. | Sunny | 11° /7° | 0 mm | 0.2 | |
| 18 Dec. | Sunny | 11° /6° | 0 mm | 0.3 | |
| 19 Dec. | Sunny | 9° /6° | 0 mm | 3 | |
| 20 Dec. | Patchy rain possible | 8° /6° | 0.2 mm | 2 | |
| 21 Dec. | Patchy rain possible | 7° /5° | 0.3 mm | 2 | |
| 22 Dec. | Patchy rain possible | 5° /3° | 0.2 mm | 1 | |
| 23 Dec. | Sunny | 5° /1° | 0 mm | 2 | |
| 24 Dec. | Sunny | 6° /1° | 0 mm | 2 | |
| 25 Dec. | Sunny | 6° /2° | 0 mm | 2 | |
| 26 Dec. | Sunny | 5° /1° | 0 mm | 2 | |
| 27 Dec. | Partly cloudy | 5° /2° | 0 mm | 2 | |
| 28 Dec. | Partly cloudy | 9° /3° | 1.3 mm | 3 | |
| 29 Dec. | Partly cloudy | 10° /4° | 0.5 mm | 3 | |
| 30 Dec. | Sunny | 9° /4° | 0.4 mm | 3 | |
| 31 Dec. | Partly cloudy | 10° /5° | 0 mm | 3 | |
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Constanţa in December - FAQ
Constanţa water temperatures in December
The average water temperature of the Black Sea near Constanţa in December is 16.7 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Constanţa in December?
- The average water temperature in Constanţa in December is 16.7 °C.
- Can you swim in Constanţa in December?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
December rainfall patterns in Constanţa
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Where is Constanţa?Get accurate weather forecasts for Constanţa, located at latitude 44.181 and longitude 28.634. Stay updated with localized weather information tailored for Constanţa.