Constanţa Weather in October

Constanţa in October sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 12°C (54°F). Moderate rainfall is typical, with around 51 mm (2 in) for the month.

Rainfall in Constanţa in October

Historically, approximately 7 days this month are expected to have rain, averaging 51 mm (2 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Constanţa in October

Daytime temperatures in Constanţa reach 18°C (64°F) in October, dropping to 12°C (54°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Constanţa in October

With about 170 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Constanţa in October

October sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in October

The water temperature is 18°C (64°F). It's not warm, but most people find it perfectly fine for a swim once they're in.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Constanţa.

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For a detailed overview over the year and the best time to visit Romania, check out our Constanţa's climate page.

Constanţa Temperature in October

Min Temperature 12°C (54°F)  

Max Temperature 18°C (64°F)  

Water Temperature 18°C (64°F)  

Chance of Rain 23%  

Precipitation 51 mm (2 in)  

Rainy days 7 days  

Humidity 82%  

Windspeed 4 m/s (8 knots)  

Sunshine 170 hours  

Percentage Sunshine  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Constanţa typically drop from around 20°C (68°F) at the start of October to approximately 14°C (57°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 12°C (54°F).

Average temperatures in October

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Constanţa in October

Browse day-by-day weather records for Constanţa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Constanţa historical weather extremes in October

Based on 49 years of weather observations in Constanţa between 1976 and 2025, these are the recorded extremes.

• The warmest day in October was on October 15, 1993, with a maximum of 32°C (90°F).
• On October 25, 1979, Constanţa saw its coldest October day with temperatures maxing out at 3°C (37°F).
• The lowest overnight temperature recorded in October was -6°C (21°F) (October 28, 1991).

What to Wear in Constanţa in October

For Constanţa in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 18°C (64°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Constanţa in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Romania, check out our Constanţa's climate page.

More climate data for Constanţa

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Constanţa climate overview or explore weather in Romania.