Mangalia weather in May

In May, Mangalia sees average daytime highs of 20°C and overnight lows near 13°C, with 43 mm of rain across 8.2 wet days and about 14.5 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 41% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 15 hours by month's end. Set against the rest of the year, May is Mangalia's 5th-clearest and 9th-windiest month. For the whole year in context, see Mangalia's year-round climate.

Daytime high
20°
5th warmest
Overnight low
13°
8th coldest
Rainfall
43 mm
8.2 wet days
Daylight
14 h 30 min
4:46 AM – 7:18 PM
Cloud cover
49%
5th clearest
Wind
13 km/h
9th windiest
Solar energy
6.22 kWh/m²
Travel score
6.8
out of 10

Mangalia is locality in Constanța County, Romania.

Air quality
Good
PM10 19.9 µg/m³ · 2018
Founded
~600 BCE

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 22°C by the end.

A typical May day in Mangalia reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11710
21810
31811
41811
51811
61811
71911
81912
91912
101912
111912
122012
132013
142013
152013
162013
172013
182113
192114
202114
212114
222114
232114
242214
252215
262215
272215
282215
292215
302215
312315

How May really feels in Mangalia

Once humidity and wind are folded in, May 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

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

Mangalia weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 447.439.10.1
Feb / 356.22.510.20.7
Mar10° / 448.11.211.62.3
Apr15° / 367.60.113.24.6
May20° / 13°438.2014.56.8
Jun25° / 18°508.3015.27.3
Jul28° / 20°386.4014.97.2
Aug28° / 20°315.2013.87.3
Sep23° / 16°506012.37.7
Oct18° / 11°526.6010.86.0
Nov12° / 406.50.69.53.3
Dec / 437.82.38.80.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46040
56040
66040
76040
85941
95941
105941
115941
125941
135941
145941
155941
165941
175941
186040
195941
206040
216040
226040
236040
246040
256139
266139
276238
286139
296139
306139
316139

Chance of precipitation in May

Any precipitation

Mangalia gets around 43 mm of rain over 8.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
122
222
322
422
523
623
723
823
924
1024
1124
1224
1325
1425
1525
1626
1726
1826
1927
2027
2128
2228
2329
2429
2530
2630
2730
2830
2930
3030
3130

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1901000
2881110
3871210
4861310
5841510
6831610
7801820
8791920
9762130
10752230
11722440
12692650
13662860
14642970
15613180
16583390
175435110
185137120
194839130
204540150
214241160
224042180
233842191
243643211
253443221
263243231
273043252
282943262
292743272
302643283
312542303

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 5:05 AM to 4:33 AM, and sunset from 7:00 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:057:00
214.05:047:02
314.05:037:03
414.05:017:04
514.15:007:05
614.14:587:06
714.24:577:08
814.24:567:09
914.34:547:10
1014.34:537:11
1114.34:527:12
1214.44:517:13
1314.44:497:14
1414.54:487:16
1514.54:477:17
1614.54:467:18
1714.64:457:19
1814.64:447:20
1914.64:437:21
2014.74:427:22
2114.74:417:23
2214.74:407:24
2314.84:397:25
2414.84:387:26
2514.84:377:27
2614.94:377:28
2714.94:367:29
2814.94:357:30
2914.94:357:31
3015.04:347:32
3115.04:337:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.22 kWh/m².

For context, solar energy here swings from a low near 1.27 kWh/m² to a high of 6.72 kWh/m² in July across the year — May's 6.22 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.5Intense
Planning a trip in May

Is May a good time to visit Mangalia?

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

6.8
Sightseeing
5th-best month of the year
3.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Mangalia for sightseeing.

What to pack for Mangalia in May

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

In May, Mangalia sees daytime highs around 20°C and nights near 13°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

Sea temperature near Mangalia in May

The nearest coast averages about 16°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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 Oct 1 — about 3.7 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 Mangalia in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mangalia 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
Location & terrain

Where is Mangalia?

Mangalia sits at 43.8°N, 28.6°E, 1 m above sea level, in Romania. The nearest listed city is Constanța, 41 km away.

MedgidiaNăvodariDobrichCernavodăFeteşti

Topography around Mangalia

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

Within 3 km, the terrain around Mangalia has only modest variations in elevation — a maximum elevation change of 54 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 107 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.

The land around Mangalia is covered by water (41%), cropland (22%) and artificial surfaces (20%) within 3 km, cropland (45%) and water (45%) within 16 km, and cropland (49%) and water (36%) within 80 km.

3 km
54 m
16 km
107 m
80 km
362 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Constanța 41 km · Medgidia 54 km · Năvodari 56 km · Dobrich 66 km · Cernavodă 73 km · Varna 85 km · Feteşti 87 km · Asparuhovo 90 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 Mangalia (43.8162°, 28.5766°, elevation 1 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).