Constanța weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Good
Best time to visit: May – September
What is the weather like in Constanța in October?
In October, Constanța is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain falls on about 6 days, adding up to 45 mm. All in all, October is a good month for a holiday in Constanța.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 91 | 77 | 45 |
| Day | 23° | 17° | 12° |
| Night | 16° | 11° | 7° |
| Sea | 22° | 18° | 14° |
| Sun | 8 h | 5 h | 3 h |
| Rain days | 6 | 6 | 7 |
More details for October
- Daylight
- 11 h 5 min07:19 – 18:24
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+3Europe/Bucharest
How the score comes together
- Temperatureweight 50 %91 %
- Sunshineweight 20 %35 %
- Few rainy daysweight 30 %83 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Constanța in October: quick answers
Is Constanța hot in October?
No. In October, Constanța is mild: daytime highs average 17 °C and nights drop to about 11 °C.
Can you swim in Constanța in October?
Only if you don't mind cold water: in October the sea averages just 18.0 °C. Comfortable swimming is possible from June to September.
Does it rain much in Constanța in October?
Rain falls on about 6 days, adding up to 45 mm.
Constanța month by month
The whole year in ConstanțaAll destinations: RomaniaWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences