Burgas weather in May

In May, Burgas sees average daytime highs of 20°C and overnight lows near 13°C, with 47 mm of rain across 9.1 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 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 40% 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 Burgas's 5th-clearest and 11th-windiest month. For the whole year in context, see Burgas's year-round climate.

Daytime high
20°
5th warmest
Overnight low
13°
8th coldest
Rainfall
47 mm
9.1 wet days
Daylight
14 h 24 min
4:54 AM – 7:19 PM
Cloud cover
50%
5th clearest
Wind
10 km/h
11th windiest
Solar energy
6.2 kWh/m²
Travel score
6.6
out of 10

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

Air quality
Good
PM10 26.2 µg/m³ · 2019
Density
830/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 18°C in the first days to 22°C by the end.

A typical May day in Burgas 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 5°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11711
21811
31811
41811
51811
61811
71812
81912
91912
101912
111912
121913
132013
142013
152013
162013
172013
182014
192114
202114
212114
222114
232114
242114
252115
262215
272215
282215
292215
302215
312215

How May really feels in Burgas

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.

Burgas 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 / 537.739.20.6
Feb / 477.42.810.31.2
Mar11° / 559.21.511.62.6
Apr15° / 458.30.113.14.7
May20° / 13°479.1014.46.6
Jun25° / 18°508.6015.17.4
Jul27° / 20°436.4014.87.6
Aug27° / 20°294.8013.77.8
Sep23° / 16°506012.37.8
Oct18° / 12°617.30.110.86.2
Nov13° / 517.20.69.63.7
Dec / 588.62.48.91.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56139
66139
76040
86040
96139
106040
116040
126040
136040
146040
156040
166040
176139
186139
196139
206238
216238
226238
236238
246436
256436
266436
276436
286436
296436
306436
316436

Chance of precipitation in May

Any precipitation

Burgas gets around 47 mm of rain over 9.1 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 29% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
429
529
629
729
829
928
1028
1128
1228
1327
1427
1527
1627
1727
1827
1928
2028
2128
2229
2330
2430
2531
2632
2732
2833
2933
3034
3134

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 55% 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
4861310
5831520
6821620
7801820
8772030
9752230
10722440
11702550
12662860
13643060
14613270
15573490
165436100
175237110
184839120
194540140
204341160
214042170
223843191
233544201
243344221
253144231
262944251
272844262
282644282
292544292
302343313
312143324

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 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
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:12 AM to 4:42 AM, and sunset from 7:02 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:127:02
213.95:117:03
313.95:107:04
414.05:087:06
514.05:077:07
614.05:067:08
714.15:047:09
814.15:037:10
914.25:027:11
1014.25:017:12
1114.24:597:13
1214.34:587:14
1314.34:577:16
1414.34:567:17
1514.44:557:18
1614.44:547:19
1714.44:537:20
1814.54:527:21
1914.54:517:22
2014.54:507:23
2114.64:497:24
2214.64:487:25
2314.64:477:26
2414.74:477:27
2514.74:467:28
2614.74:457:29
2714.84:447:30
2814.84:447:31
2914.84:437:31
3014.84:437:32
3114.94:427:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.2 kWh/m².

For context, solar energy here swings from a low near 1.4 kWh/m² to a high of 6.74 kWh/m² in June across the year — May's 6.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Intense
86.0Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
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 Burgas?

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
3.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Burgas for sightseeing.

What to pack for Burgas in May

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

In May, Burgas sees daytime highs around 20°C and nights near 13°C. Pack sun protection. Worth having: rain gear. About 9 days see rain.

sun protectionrain gear

Sea temperature near Burgas 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 at the nearest coast (about 36 km away) 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 Burgas 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 Burgas peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Burgas 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 Burgas 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 Burgas?

Burgas sits at 42.5°N, 27.5°E, 36 m above sea level, in Bulgaria. The nearest listed city is Nessebar, 28 km away.

KarnobatYambolAsparuhovoVarnaKırklareliSliven

Topography around Burgas

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

Within 3 km, the terrain around Burgas has only modest variations in elevation — a maximum elevation change of 43 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 319 m; within 80 km, large variations in elevation — a maximum elevation change of 929 m.

The land around Burgas is covered by water (49%) and artificial surfaces (34%) within 3 km, cropland (33%) and water (32%) within 16 km, and trees (40%), cropland (25%) and water (22%) within 80 km.

3 km
43 m
16 km
319 m
80 km
929 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Nessebar 28 km · Aytos 28 km · Karnobat 43 km · Yambol 79 km · Asparuhovo 82 km · Varna 87 km · Kırklareli 88 km · Sliven 96 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 Burgas (42.5065°, 27.4689°, elevation 36 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).