Nessebar weather in May

In May, Nessebar sees average daytime highs of 19°C and overnight lows near 13°C, with 44 mm of rain across 8.4 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 21°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 48 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Nessebar's 5th-clearest and 11th-windiest month. For the whole year in context, see Nessebar's year-round climate.

Daytime high
19°
5th warmest
Overnight low
13°
8th coldest
Rainfall
44 mm
8.4 wet days
Daylight
14 h 24 min
4:53 AM – 7:18 PM
Cloud cover
49%
5th clearest
Wind
11 km/h
11th windiest
Solar energy
6.26 kWh/m²
Travel score
6.6
out of 10

Nessebar is city in Nesebar municipality, Burgas oblast, Bulgaria.

Density
419/km²
people per km²

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 17°C in the first days to 21°C by the end.

A typical May day in Nessebar reaches about 19°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11710
21711
31711
41711
51711
61811
71812
81812
91812
101812
111912
121912
131913
141913
151913
162013
172013
182014
192014
202014
212014
222114
232114
242115
252115
262115
272115
282115
292215
302215
312216

How May really feels in Nessebar

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.

Nessebar weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 557.82.79.20.5
Feb / 477.52.610.31.0
Mar10° / 5391.111.62.4
Apr14° / 438.10.113.14.3
May19° / 13°448.4014.46.6
Jun24° / 18°467.4015.17.6
Jul27° / 20°396.5014.87.6
Aug27° / 20°314.6013.77.9
Sep23° / 17°626.7012.37.6
Oct18° / 12°627.5010.85.9
Nov12° / 496.90.49.63.6
Dec / 619.32.48.91.2

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 20% of May, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55941
65941
75842
85941
95941
105941
115941
125941
136040
146040
156139
166139
176238
186238
196337
206337
216436
226436
236436
246436
256535
266535
276535
286535
296535
306535
316535

Chance of precipitation in May

Any precipitation

Nessebar gets around 44 mm of rain over 8.4 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 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
227
327
427
527
626
726
826
926
1025
1125
1225
1324
1424
1524
1624
1724
1825
1925
2026
2126
2227
2328
2428
2529
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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1891010
2881110
3871210
4851410
5831520
6811720
7801820
8772030
9752230
10722440
11692650
12672760
13642970
14613180
15583390
165535100
175137120
184839130
194441150
204142170
213943180
223644200
233445210
243145231
252945241
262845261
272645272
282445292
292344302
302244323
312143334

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 5:11 AM to 4:40 AM, and sunset from 7:01 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:117:01
213.95:107:03
313.95:087:04
414.05:077:05
514.05:067:06
614.05:047:07
714.15:037:08
814.15:027:09
914.25:007:10
1014.24:597:12
1114.24:587:13
1214.34:577:14
1314.34:567:15
1414.44:557:16
1514.44:547:17
1614.44:537:18
1714.54:517:19
1814.54:507:20
1914.54:507:21
2014.64:497:22
2114.64:487:23
2214.64:477:24
2314.74:467:25
2414.74:457:26
2514.74:447:27
2614.74:447:28
2714.84:437:29
2814.84:427:30
2914.84:427:31
3014.84:417:32
3114.94:407:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.26 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 6.8 kWh/m² in June across the year — May's 6.26 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
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in May

Is May a good time to visit Nessebar?

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

6.6
Sightseeing
5th-best month of the year
3.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Nessebar for sightseeing.

What to pack for Nessebar in May

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

In May, Nessebar sees daytime highs around 19°C and nights near 13°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

Sea temperature near Nessebar 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 7°C.

It's comfortable for a long swim from Jun 10 to Oct 5 — about 3.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov14Bracing
Dec10Bracing

UV index in Nessebar 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 Nessebar peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 17UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Nessebar in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Nessebar is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1915 µg/m³Dec 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr13Moderate
May12Good
Jun11Good
Jul10Good
Aug10Good
Sep9Good
Oct9Good
Nov9Good
Dec8Good
Location & terrain

Where is Nessebar?

Nessebar sits at 42.7°N, 27.7°E, 0 m above sea level, in Bulgaria. The nearest listed city is Burgas, 28 km away.

AytosAsparuhovoKarnobatVarnaShumenDobrichYambol

Topography around Nessebar

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

Within 3 km, the terrain around Nessebar has only modest variations in elevation — a maximum elevation change of 30 m around an average of 2 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 474 m; within 80 km, large variations in elevation — a maximum elevation change of 809 m.

The land around Nessebar is covered by water (84%) within 3 km, water (52%) and trees (20%) within 16 km, and trees (36%), water (30%) and cropland (23%) within 80 km.

3 km
30 m
16 km
474 m
80 km
809 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Burgas 28 km · Aytos 40 km · Asparuhovo 59 km · Karnobat 62 km · Varna 64 km · Shumen 95 km · Dobrich 101 km · Yambol 103 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Nessebar (42.6592°, 27.736°, elevation 0 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).