AI-generatedConstanța at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 28°
- Warmest sea
- Aug · 24.9°
- Sunshine a year
- 2,310 h
- Rain a year
- 513 mm
- Climate
- Temperate
- Time zone
- UTC+2 / UTC+3
- Elevation
- 40 m
Climate in Constanța
Constanța has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 28 °C, while January is the coolest at 5 °C. With around 2,310 hours of sunshine a year, Constanța is sunny; July is the sunniest month with 10.7 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: May – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 12°
- Midday, 13:00: about 17°
- Afternoon, 16:00: about 17°
- Evening, 20:00: about 14°
- Night, 23:00: about 13°
07:1918:24
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:01–07:58 · evening 17:44–18:41
- Blue hour
- Morning 06:49–07:01 · evening 18:41–18:53
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
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.
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
Sea temperature in Constanța
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 16.1 – 19.5 °C
Swimming season: Jun – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Constanța ranges from 6.0 °C in February to 24.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to September.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From October to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 23.6 and 25.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 7.3° | 6.2° | 8.7° | cold |
| FebruaryFeb | 6.0° | 5.4° | 7.2° | cold |
| MarchMar | 6.7° | 5.8° | 7.8° | cold |
| AprilApr | 9.8° | 8.6° | 10.8° | cold |
| MayMay | 15.7° | 14.3° | 17.0° | cold |
| JuneJun | 21.0° | 20.1° | 21.9° | refreshing |
| JulyJul | 24.0° | 22.8° | 25.2° | pleasant |
| AugustAug | 24.9° | 23.6° | 25.9° | pleasant |
| SeptemberSep | 22.2° | 20.9° | 23.5° | refreshing |
| OctoberOct | 18.0° | 16.1° | 19.5° | fresh |
| NovemberNov | 13.8° | 12.8° | 15.4° | cold |
| DecemberDec | 10.0° | 8.6° | 11.6° | cold |
Sunshine hours in Constanța
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.1 of 11.1 hours of daylight in Constanța, 46 % of the day.
Sunshine hours: measured at the weather station 4 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Constanța
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 40 min
- Fair skin
- about 50 min
- Light brown skin
- about 75 min
- Olive skin
- about 95 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Constanța: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Constanța has about 6 rainy days with 45 mm of rain in total.
Wind and clouds in Constanța
How breezy and how cloudy Constanța is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Constanța typically peaks at 18 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Dec – Apr.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 54 % of the sky over Constanța: variable cloud, with about 5.1 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Constanța
How often the day gets hot in Constanța (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Constanța has about 0 hot days, with an average daytime high of 17 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Constanța
Snow is possible in Constanța, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Constanța.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Constanța
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
CoolOctober: nights around 11°. A duvet at night and a jumper for the evening.
The coolest nights are in January (0°), the warmest in August (20°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 33 days a year, mostly from July to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 24 | 5° | 0° | 7.3° | 2.9 h | 7 | 43 |
| FebruaryFeb | 29 | 7° | 0° | 6.0° | 4.0 h | 6 | 33 |
| MarchMar | 36 | 10° | 3° | 6.7° | 4.6 h | 8 | 39 |
| AprilApr | 66 | 15° | 7° | 9.8° | 6.6 h | 8 | 40 |
| MayMay | 89 | 20° | 13° | 15.7° | 8.7 h | 9 | 47 |
| JuneJun | 91 | 25° | 18° | 21.0° | 9.8 h | 8 | 56 |
| JulyJul | 91 | 28° | 20° | 24.0° | 10.7 h | 6 | 41 |
| AugustAug | 94 | 28° | 20° | 24.9° | 9.8 h | 5 | 34 |
| SeptemberSep | 91 | 23° | 16° | 22.2° | 7.6 h | 6 | 51 |
| OctoberOct | 77 | 17° | 11° | 18.0° | 5.1 h | 6 | 45 |
| NovemberNov | 45 | 12° | 7° | 13.8° | 3.3 h | 7 | 42 |
| DecemberDec | 23 | 7° | 2° | 10.0° | 2.8 h | 7 | 42 |
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
44.18° N, 28.63° E · 40 m · Europe/Bucharest
Best time to visit Constanța
The best time to visit Constanța is from May to September. For a beach holiday with the sea above 21 °C, go from June to August. For sightseeing, day trips and hiking, conditions are most comfortable from May to October. The wettest month is June with 56 mm of precipitation.
Constanța through the seasons
How the weather changes over the seasons, with averages for each.
Constanța in spring
Mar – May
Good
- 10–20 °C by day
- Sea 11 °C
- 7 h of sun a day
- 25 rainy days in all
Constanța in summer
Jun – Aug
Excellent
- 25–28 °C by day
- Sea 23 °C
- 10 h of sun a day
- 20 rainy days in all
Constanța in autumn
Sep – Nov
Good
- 12–23 °C by day
- Sea 18 °C
- 5 h of sun a day
- 19 rainy days in all
Constanța in winter
Dec – Feb
Poor
- 5–7 °C by day
- Sea 8 °C
- 3 h of sun a day
- 20 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Constanța for you.
Your best months: June, September
Based on the climate averages; tap a month to see its details.
Compare two months in Constanța
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Constanța: score 94 against 77. In August, days are 11 °C warmer than in October. The sea is 7 °C warmer in August. August has one rainy day fewer. The sun shines 5 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 77 | 94better |
| Day high | 17° | 28° |
| Night low | 11° | 20° |
| Sea | 18.0° | 24.9° |
| Sunshine | 5.1 h | 9.8 hbetter |
| Rainy days | 6 | 5better |
| Rainfall | 45 mm | 34 mmbetter |
| Muggy days | 0better | 12 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jun – Aug
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Oct
15–28 °C and not too much rain
Snow
Jan
Snow on 2 or more days
Constanța month by month
The typical weather for every month at a glance.
24January5° · Sea 7° · 3 h
In January, Constanța is cold: daytime highs average 5 °C, and nights often drop below freezing (0 °C). The sea averages 7.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain falls on about 7 days, adding up to 43 mm. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Constanța.
Constanța in January29February7° · Sea 6° · 4 h
In February, Constanța is cold: daytime highs average 7 °C, and nights cool down to about 0 °C. The sea averages 6.0 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain falls on about 6 days, adding up to 33 mm. Snow falls on about 2 days. All in all, February is not an ideal month for a holiday in Constanța.
Constanța in February36March10° · Sea 7° · 5 h
In March, Constanța is cool: daytime highs average 10 °C, and nights cool down to about 3 °C. The sea averages 6.7 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 39 mm. All in all, March is not an ideal month for a holiday in Constanța.
Constanța in March66April15° · Sea 10° · 7 h
In April, Constanța is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. The sea averages 9.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 40 mm. All in all, April is a good month for a holiday in Constanța.
Constanța in April89May20° · Sea 16° · 9 h
In May, Constanța is mild: daytime highs average 20 °C, and nights cool down to about 13 °C. The sea averages 15.7 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain falls on about 9 days, adding up to 47 mm. All in all, May is an excellent month for a holiday in Constanța.
Constanța in May91June25° · Sea 21° · 10 h
In June, Constanța is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 21.0 °C – refreshing for a swim. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 8 days, adding up to 56 mm. All in all, June is an excellent month for a holiday in Constanța.
Constanța in June91July28° · Sea 24° · 11 h
In July, Constanța is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. The sea averages 24.0 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 41 mm. All in all, July is an excellent month for a holiday in Constanța.
Constanța in July94August28° · Sea 25° · 10 h
In August, Constanța is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. The sea averages 24.9 °C – pleasant for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 5 days, adding up to 34 mm. On about 5 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Constanța.
Constanța in August91September23° · Sea 22° · 8 h
In September, Constanța is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.2 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 51 mm. All in all, September is an excellent month for a holiday in Constanța.
Constanța in September77October17° · Sea 18° · 5 h
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.
Constanța in October45November12° · Sea 14° · 3 h
In November, Constanța is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sea averages 13.8 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain falls on about 7 days, adding up to 42 mm. All in all, November is a so-so month for a holiday in Constanța.
Constanța in November23December7° · Sea 10° · 3 h
In December, Constanța is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sea averages 10.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain falls on about 7 days, adding up to 42 mm. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Constanța.
Constanța in DecemberConstanța compared
Put Constanța side by side with another destination.
No destination found
Constanța vs. Golden Sands
In October the holiday weather in Constanța and Golden Sands is about equally good (score 77 vs. 75). During the day it is about as warm in Golden Sands as in Constanța. The sea is about equally warm.
| in October | Constanța | Golden Sands |
|---|---|---|
| Holiday score | 77 | 75 |
| Daytime high | 17° | 17° |
| Sea | 18° | 18° |
| Sunshine | 5 h | 5 h |
| Rainy days | 6 | 7 |
| Best time | May – Sep | Jul – Aug |
Through the year
Romania in October: the best places
In October, Constanța ranks 2 of 14 destinations in this country.
- Craiova18°80
- 2ConstanțaThis page17°18°77
- 3Bucharest17°76
- 4Timișoara17°76
- 5Arad17°76
- 6Oradea16°70
- 7Iași15°67
- 8Alba Iulia16°67
Planning a trip to Constanța
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Constanța in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Constanța has its best school-holiday weather during the summer holidays (score 93) and its weakest during the Christmas holidays (score 24).
- 57
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- Sea 9 °C
- 6.0 h of sun a day
- 8 rainy days a month
- 89
May half-term
May – Jun
Excellent
- 21 °C by day
- Sea 17 °C
- 8.9 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 93
Summer holidays
Jul – Aug
ExcellentBest holidays
- 28 °C by day
- Sea 25 °C
- 10.1 h of sun a day
- 6 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 77
October half-term
Oct
Good
- 17 °C by day
- Sea 18 °C
- 5.1 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 24
Christmas holidays
Dec – Jan
Poor
- 6 °C by day
- Sea 9 °C
- 2.8 h of sun a day
- 7 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 15 min
- Distance
- 2,300 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Constanța
When is the best time to visit Constanța?
The best time to visit Constanța is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Constanța?
The sea temperature in Constanța ranges from 6.0 °C in February to 24.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to September.
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.
What is the warmest month in Constanța?
July is the warmest month, with average highs of 28 °C and nights around 20 °C. January is the coolest month at 5 °C.
When does it rain most in Constanța?
The wettest month is June with 56 mm of precipitation. The driest month is February with 33 mm.
How many hours of sunshine does Constanța get?
Constanța gets around 2,310 hours of sunshine a year. The sunniest month is July with 10.7 hours a day; in December there are 2.8 hours a day.
What time zone is Constanța in?
Constanța uses the time zone Europe/Bucharest: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Constanța?
A nonstop flight from London to Constanța takes about 3 h 15 min, for a straight-line distance of about 2,300 km.
Which school holidays are best for Constanța?
Constanța has its best school-holiday weather during the summer holidays (score 93) and its weakest during the Christmas holidays (score 24). Holiday ratings (0–100): Easter holidays 57, May half-term 89, Summer holidays 93, October half-term 77, Christmas holidays 24.
Near Constanța
Other destinations close by.
Places with a climate like Constanța
Destinations whose weather through the year is closest to Constanța's – good alternatives.