Constanta weather in October 2025

Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Constanta in October. Check more long-term weather averages for Constanta in October before you book your next holiday to Romania in 2025/2026.

  • 17°C maximum daytime temperature in October in Constanta17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 7 days with some rainfall in October in Constanta7
    7 days with some rainfall
  • 9°C minimum night-time temperature in October in Constanta9
    9°C min night temperature
  • 11 hours of daylight per day in October in Constanta11
    11 hours of daylight per day
  • No heat & humidity in October in Constanta0
    No heat & humidity
  • 31 mm monthly rainfall in October in Constanta31
    31 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Constanta3
    3 (Moderate) UV index
  • 17°C sea temperature in October in Constanta17
    17°C sea temperature

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The October weather guide for Romania (Constanta) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Constanta in October?

Daytime temperatures usually reach 17°C in Constanta in October, falling to 9°C at night.

How sunny is it in Constanta in October?

There are normally 4 hours of bright sunshine each day in Constanta in October - that's 39% of daylight hours.

How warm is the sea around Constanta in October?

The average sea temperature around Constanta in October is 17°C.

Does it rain in Constanta in October?

There are usually 7 days with some rain in Constanta in October and the average monthly rainfall is 31mm.

Constanta October sunrise & sunset times

Browse the sunrise and sunset times for Constanta in October 2025. Select a month to view Constanta sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:03 17:46
Thursday, 16th October 2025 06:21 17:20
Friday, 31st October 2025 06:41 16:57

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