Weather in Constanţa for October 2026
Yellow warning – heavy rain - See hour by hour.
So far, October 2026 in Constanţa is slightly warmer than the historical average by 0.6 °C.
The forecast for the next days in Constanţa predicts a temperature of 15.6 °C, which is cooler than the historical average.
In general, the average temperature in Constanţa at the beginning of October is 19.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 17.8 °C by the end of October.
With an average of 5 rainy days, Constanţa experiences minimal rainfall in October.
Is October a good time to visit Constanţa? check out the best time to travel to Constanţa page.
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Constanţa Weather October
Temperatures trend during October in Constanţa
October weather in Constanţa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Light rain | 21° /13° | 3.2 mm | 4.6 | |
| 2 Oct. |  Cloudy | 19° /13° | 0.6 mm | 4 | |
| 3 Oct. | Light rain | 20° /12° | 4.7 mm | 4.5 | |
| 4 Oct. |  Sunny | 20° /12° | 0.1 mm | 4.4 | |
| 5 Oct. |  Partly cloudy | 20° /12° | 0 mm | 4.3 | |
| 6 Oct. | Light rain | 20° /14° | 3.1 mm | 4 | |
| 7 Oct. | Light rain | 20° /13° | 4.8 mm | 4 | |
| 8 Oct. |  Moderate rain | 20° /13° | 12.5 mm | 4 | |
| 9 Oct. |  Patchy rain possible | 18° /12° | 1.3 mm | 4 | |
| 10 Oct. |  Overcast | 19° /12° | 0 mm | 3.9 | |
| 11 Oct. | Overcast | 19° /13° | 0.4 mm | 3.8 | |
| 12 Oct. | Patchy rain possible | 19° /13° | 1.9 mm | 3.7 | |
| 13 Oct. | Light rain | 17° /11° | 5.1 mm | 3.7 | |
| 14 Oct. | Patchy rain possible | 16° /12° | 0.1 mm | 3.6 | |
| 15 Oct. | Patchy rain possible | 17° /12° | 0.6 mm | 3.5 | |
| 16 Oct. | Patchy rain possible | 16° /10° | 1.1 mm | 3.4 | |
| 17 Oct. | Overcast | 15° /10° | 0.1 mm | 3 | |
| 18 Oct. | Patchy rain possible | 15° /10° | 1.7 mm | 3.3 | |
| 19 Oct. | Overcast | 16° /10° | 0.9 mm | 3.2 | |
| 20 Oct. | Partly cloudy | 17° /10° | 0 mm | 3.1 | |
| 21 Oct. | Sunny | 18° /11° | 0 mm | 3.1 | |
| 22 Oct. | Sunny | 20° /13° | 0.3 mm | 3 | |
| 23 Oct. | Patchy rain possible | 19° /13° | 1.9 mm | 2.9 | |
| 24 Oct. | Patchy rain possible | 18° /12° | 1.8 mm | 2.9 | |
| 25 Oct. | Sunny | 18° /11° | 0 mm | 2.8 | |
| 26 Oct. | Light rain | 18° /12° | 2.6 mm | 2.8 | |
| 27 Oct. |  Heavy rain | 16° /12° | 35 mm | 0.2 | |
| 28 Oct. | Patchy rain possible | 16° /15° | 1.2 mm | 1.7 | |
| 29 Oct. | Overcast | 16° /13° | 0.7 mm | 2 | |
| 30 Oct. | Overcast | 15° /12° | 0 mm | 2 | |
| 31 Oct. | Sunny | 15° /11° | 0 mm | 5 | |
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Constanţa in October - FAQ
What are the expected maximum and minimum temperatures in Constanţa during October?
How much rainfall should be expected in Constanţa during October?
What are the typical wind conditions in Constanţa during October?
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 18.9 °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
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.