Constanța weather in August

In August, Constanța sees average daytime highs of 26°C and overnight lows near 22°C, with 31 mm of rain across 4.8 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 73% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 30 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Constanța's 1st-clearest and 9th-windiest month. For the whole year in context, see Constanța's year-round climate.

Daytime high
26°
1st warmest
Overnight low
22°
12th coldest
Rainfall
31 mm
4.8 wet days
Daylight
13 h 48 min
5:14 AM – 7:05 PM
Cloud cover
27%
1st clearest
Wind
16 km/h
9th windiest
Solar energy
5.92 kWh/m²
Travel score
8.2
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 24°C by the end.

A typical August day in Constanța reaches about 26°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12722
22722
32722
42722
52722
62722
72622
82622
92622
102622
112622
122622
132622
142622
152622
162622
172622
182622
192622
202622
212621
222621
232521
242521
252521
262521
272521
282520
292520
302420
312420

How August really feels in Constanța

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58713
68713
78713
88713
98812
108812
118812
128812
138713
148713
158713
168713
178713
188713
198713
208713
218713
228515
238515
248515
258317
268317
278119
288119
298020
307921
317822

Chance of precipitation in August

Any precipitation

Constanța gets around 31 mm of rain over 4.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
214
314
414
514
614
714
814
913
1013
1113
1213
1313
1413
1513
1613
1714
1814
1914
2015
2116
2216
2317
2418
2518
2619
2719
2820
2920
3020
3120

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1182946150
2192946150
3292846150
4292845150
52102745151
62112744151
73122743151
83122742151
93132742141
103142741141
113152741131
123162740131
133162740121
143172840121
153182840111
163192839101
173202839100
18320283990
19321293980
20321293970
21322293970
22423293860
23423293850
24524293750
25624293650
26824293540
27925293340
281126293130
291226293030
301427292830
311627292620

Wind in August

Winds average 16 km/h in August.

Across August, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
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
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 30 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 4:57 AM to 5:32 AM, and sunset from 7:26 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:577:26
214.44:587:25
314.44:597:24
414.45:007:22
514.35:017:21
614.35:027:20
714.25:047:18
814.25:057:17
914.25:067:16
1014.15:077:14
1114.15:087:13
1214.05:097:11
1314.05:117:10
1413.95:127:08
1513.95:137:07
1613.85:147:05
1713.85:157:03
1813.85:167:02
1913.75:187:00
2013.75:196:59
2113.65:206:57
2213.65:216:55
2313.55:226:53
2413.55:246:52
2513.45:256:50
2613.45:266:48
2713.35:276:46
2813.35:286:45
2913.25:296:43
3013.25:316:41
3113.15:326:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.92 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 — August's 5.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.5Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Constanța?

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

8.2
Sightseeing
1st-best month of the year
7.6
Beach & pool
1st-best month of the year

August is one of the better times to visit Constanța for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Constanța in August

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

In August, Constanța sees daytime highs around 26°C and nights near 22°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Constanța in August

The nearest coast averages about 25°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).