Constanța weather in June

In June, Constanța sees average daytime highs of 23°C and overnight lows near 19°C, with 39 mm of rain across 6.8 wet days and about 15.3 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 56% of the time in June, and the air most often feels humid.

Daylight stretches from about 15 h 06 min at the start of June to 15 h 18 min by month's end. Set against the rest of the year, June is Constanța's 3rd-clearest and 11th-windiest month. For the whole year in context, see Constanța's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
39 mm
6.8 wet days
Daylight
15 h 18 min
4:27 AM – 7:45 PM
Cloud cover
40%
3rd clearest
Wind
15 km/h
11th windiest
Solar energy
6.7 kWh/m²
Travel score
7.7
out of 10

Constanța is locality in Constanța County, Romania.

Air quality
Moderate
PM2.5 12.4 µg/m³ · 2018
Founded
~300 BCE

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical June day in Constanța reaches about 23°C in the afternoon and slips back to 19°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°C. Set against its neighbours, June runs about 5°C warmer than May and about 3°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12117
22117
32117
42117
52218
62218
72218
82218
92218
102218
112319
122319
132319
142319
152319
162319
172419
182419
192420
202420
212420
222420
232420
242420
252420
262420
272420
282520
292520
302520

How June really feels in Constanța

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Constanța weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 447.33.69.10.0
Feb / 336.22.410.20.2
Mar / 417.81.111.61.5
Apr12° / 336.90.113.23.6
May18° / 14°366.9014.56.4
Jun23° / 19°396.8015.37.7
Jul26° / 21°304.90158.1
Aug26° / 22°314.8013.88.2
Sep22° / 18°515.9012.37.6
Oct17° / 13°506.8010.85.6
Nov11° / 457.10.69.43.0
Dec / 4682.28.70.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36832
46832
56931
67030
77129
87228
97228
107228
117327
127426
137525
147525
157624
167624
177624
187723
197723
207723
217723
227723
237822
247822
257822
267921
277921
288020
298020
308119

Chance of precipitation in June

Any precipitation

Constanța gets around 39 mm of rain over 6.8 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
225
325
424
524
623
723
822
922
1021
1121
1221
1321
1421
1521
1621
1722
1822
1922
2023
2123
2223
2323
2423
2523
2623
2723
2823
2922
3022

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
122383830
220373940
319364050
417354260
516344370
615324490
7133145100
8123046120
9112946140
10102847150
11102646171
1292546191
1392446211
1482345231
1582144252
1682143262
1782042282
1872041293
1971940313
2071939323
2171937324
2271936334
2371936344
2471935345
2571934355
2661934365
2761933365
2861933376
2961833386
3051832386

Wind in June

Winds average 15 km/h in June.

Across June, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3016light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 06 min at the start of June to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:31 AM to 4:30 AM, and sunset from 7:35 PM to 7:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:317:35
215.14:317:36
315.14:307:36
415.14:307:37
515.14:297:38
615.24:297:39
715.24:287:39
815.24:287:40
915.24:287:41
1015.24:287:41
1115.24:277:42
1215.34:277:43
1315.34:277:43
1415.34:277:44
1515.34:277:44
1615.34:277:45
1715.34:277:45
1815.34:277:45
1915.34:277:46
2015.34:277:46
2115.34:277:46
2215.34:277:47
2315.34:287:47
2415.34:287:47
2515.34:287:47
2615.34:287:47
2715.34:297:47
2815.34:297:47
2915.34:297:47
3015.34:307:47

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.7 kWh/m².

For context, solar energy here swings from a low near 1.24 kWh/m² to a high of 6.71 kWh/m² in July across the year — June's 6.7 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in June

Is June a good time to visit Constanța?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.7
Sightseeing
3rd-best month of the year
5.9
Beach & pool
3rd-best month of the year

June is one of the better times to visit Constanța for general sightseeing.

What to pack for Constanța in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Constanța sees daytime highs around 23°C and nights near 19°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Constanța in June

The nearest coast averages about 21°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in August at about 25°C and coldest in February near 6°C.

It's comfortable for a long swim from Jun 12 to Sep 29 — about 3.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep22Refreshing
Oct18Cool
Nov14Bracing
Dec10Bracing

UV index in Constanța in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Constanța peaks around July 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 18UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Constanța in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Constanța is worst in March — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Constanța's WHO annual average of 12.4 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1719 µg/m³Dec 148 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar20Moderate
Apr14Moderate
May13Moderate
Jun14Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Constanța?

Constanța sits at 44.2°N, 28.6°E, 40 m above sea level, in Romania. The nearest listed city is Năvodari, 15 km away.

CernavodăFeteştiFetești-GarăDobrichSlobozia

Topography around Constanța

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Constanța.

Within 3 km, the terrain around Constanța has only modest variations in elevation — a maximum elevation change of 68 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, significant variations in elevation — a maximum elevation change of 397 m.

The land around Constanța is covered by artificial surfaces (61%) within 3 km, water (51%) and cropland (32%) within 16 km, and cropland (52%) and water (31%) within 80 km.

3 km
68 m
16 km
96 m
80 km
397 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Năvodari 15 km · Medgidia 29 km · Mangalia 41 km · Cernavodă 51 km · Feteşti 68 km · Fetești-Gară 70 km · Dobrich 94 km · Slobozia 110 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Constanța (44.1807°, 28.6343°, elevation 40 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).