Weather in Constanţa for October 2025
Until now, October 2025 in Constanţa is cooler than usual, with temperatures averaging 15.8 °C, this is -2.6 °C below the typical seasonal average.
The forecast for the next days in Constanţa predicts a temperature of 15.9 °C, which is cooler than the historical average.
In general, the average temperature in Constanţa at the beginning of October is 20 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.3 °C by the end of October.
Constanţa experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 29 mm.
Temperatures
Rain 🌧️
Constanţa Weather October
Temperatures trend during October in Constanţa
October weather in Constanţa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Sunny | 21° /13° | 3.7 mm | 5 | |
| 2 Oct. |  Cloudy | 19° /12° | 0.7 mm | 5 | |
| 3 Oct. |  Patchy rain possible | 20° /12° | 5.6 mm | 5 | |
| 4 Oct. | Patchy rain possible | 20° /12° | 0.1 mm | 5 | |
| 5 Oct. |  Partly cloudy | 20° /13° | 0 mm | 5 | |
| 6 Oct. | Patchy rain possible | 20° /14° | 3.8 mm | 5 | |
| 7 Oct. | Light rain shower | 20° /13° | 5.8 mm | 5 | |
| 8 Oct. | Sunny | 20° /12° | 15 mm | 5 | |
| 9 Oct. |  Overcast | 17° /11° | 1.5 mm | 4 | |
| 10 Oct. | Overcast | 19° /11° | 0 mm | 5 | |
| 11 Oct. | Overcast | 19° /11° | 0.5 mm | 5 | |
| 12 Oct. |  Heavy rain at times | 18° /12° | 2.2 mm | 4 | |
| 13 Oct. | Partly cloudy | 18° /11° | 5.3 mm | 4 | |
| 14 Oct. | Patchy rain possible | 17° /12° | 0.1 mm | 4 | |
| 15 Oct. | Patchy rain possible | 17° /12° | 0.8 mm | 4 | |
| 16 Oct. | Patchy rain possible | 16° /10° | 1.3 mm | 4 | |
| 17 Oct. | Overcast | 16° /10° | 0.1 mm | 4 | |
| 18 Oct. | Cloudy | 16° /10° | 2 mm | 4 | |
| 19 Oct. | Overcast | 17° /9° | 0.1 mm | 4 | |
| 20 Oct. | Partly cloudy | 17° /9° | 0 mm | 5 | |
| 21 Oct. | Sunny | 18° /10° | 0 mm | 5 | |
| 22 Oct. | Sunny | 20° /12° | 0 mm | 5 | |
| 23 Oct. | Patchy rain possible | 20° /14° | 0.1 mm | 5 | |
| 24 Oct. | Sunny | 19° /12° | 2.1 mm | 5 | |
| 25 Oct. | Sunny | 18° /10° | 0 mm | 5 | |
| 26 Oct. | Overcast | 18° /12° | 2.6 mm | 4 | |
| 27 Oct. | Partly cloudy | 17° /12° | 3.2 mm | 4 | |
| 28 Oct. | Sunny | 19° /11° | 0.4 mm | 5 | |
| 29 Oct. | Sunny | 18° /10° | 0 mm | 5 | |
| 30 Oct. | Sunny | 19° /13° | 0 mm | 0.5 | |
| 31 Oct. | Sunny | 19° /12° | 0 mm | 0.5 | |
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Constanţa in October - FAQ
Constanţa water temperatures in October
The average water temperature of the Black Sea near Constanţa in October is 19.9 °C. At the beginning of October temperatures are around 21 °C; by the end of the month they become significantly cooler and reach 18.8 °C.
- What is the water temperature in Constanţa in October?
- The average water temperature in Constanţa in October is 19.9 °C.
- Can you swim in Constanţa in October?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
October rainfall patterns in Constanţa
UV exposure in Constanţa during October
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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.