Aytos weather in May

In May, Aytos sees average daytime highs of 21°C and overnight lows near 11°C, with 67 mm of rain across 11.3 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 23°C by the end. The sky is clear or mostly clear about 32% 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 Aytos's 5th-clearest and 9th-windiest month. For the whole year in context, see Aytos's year-round climate.

Daytime high
21°
5th warmest
Overnight low
11°
8th coldest
Rainfall
67 mm
11.3 wet days
Daylight
14 h 24 min
4:54 AM – 7:20 PM
Cloud cover
55%
5th clearest
Wind
9 km/h
9th windiest
Solar energy
6.02 kWh/m²
Travel score
6.4
out of 10

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

Density
266/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 19°C in the first days to 23°C by the end.

A typical May day in Aytos reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3199
4199
52010
62010
72010
82010
92010
102010
112111
122111
132111
142111
152111
162111
172112
182212
192212
202212
212212
222212
232212
242213
252213
262313
272313
282313
292313
302313
312314

How May really feels in Aytos

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.

Aytos weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°517.43.59.20.1
Feb / -0°467.13.110.31.0
Mar11° / 599.52.211.62.8
Apr16° / 5910.30.313.14.9
May21° / 11°6711.3014.46.4
Jun26° / 16°6910.6015.16.8
Jul28° / 18°618.4014.86.7
Aug28° / 18°386013.76.9
Sep24° / 14°526.6012.37.6
Oct18° / 5870.210.86.1
Nov12° / 506.719.63.3
Dec / 568.12.88.90.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35347
45347
55347
65248
75248
85347
95347
105248
115248
125248
135347
145347
155248
165347
175347
185446
195446
205446
215446
225446
235545
245545
255545
265644
275644
285644
295644
305644
315644

Chance of precipitation in May

Any precipitation

Aytos gets around 67 mm of rain over 11.3 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 36% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
335
435
535
635
736
836
936
1036
1136
1236
1336
1436
1536
1636
1736
1836
1936
2036
2136
2236
2337
2437
2537
2638
2738
2839
2939
3040
3140

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194600
294600
393700
492800
591900
6891100
7881200
8871300
9841510
10821710
11811810
12792010
13762220
14742420
15722530
16702730
17672940
18643150
19623260
20593470
21573580
22553690
235337100
245138110
254939110
264840120
274641130
284442140
294242160
304043170
313843181

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:13 AM to 4:42 AM, and sunset from 7:03 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:137:03
213.95:127:05
313.95:107:06
414.05:097:07
514.05:077:08
614.15:067:09
714.15:057:10
814.15:047:11
914.25:027:12
1014.25:017:14
1114.25:007:15
1214.34:597:16
1314.34:587:17
1414.44:567:18
1514.44:557:19
1614.44:547:20
1714.54:537:21
1814.54:527:22
1914.54:517:23
2014.64:507:24
2114.64:497:25
2214.64:497:26
2314.74:487:27
2414.74:477:28
2514.74:467:29
2614.74:457:30
2714.84:457:31
2814.84:447:32
2914.84:437:33
3014.84:437:34
3114.94:427:35

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.02 kWh/m².

For context, solar energy here swings from a low near 1.4 kWh/m² to a high of 6.55 kWh/m² in June across the year — May's 6.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Aytos?

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

6.4
Sightseeing
5th-best month of the year
4.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Aytos for sightseeing.

What to pack for Aytos in May

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

In May, Aytos sees daytime highs around 21°C and nights near 11°C. Pack sun protection. Worth having: rain gear. About 11 days see rain.

sun protectionrain gear

Sea temperature near Aytos 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 51 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 Aytos 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 Aytos peaks around July 18 at about 9 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 18UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Aytos?

Aytos sits at 42.7°N, 27.3°E, 149 m above sea level, in Bulgaria. The nearest listed city is Karnobat, 23 km away.

NessebarYambolShumenAsparuhovoSlivenVarna

Topography around Aytos

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

Within 3 km, the terrain around Aytos has only modest variations in elevation — a maximum elevation change of 249 m around an average of 129 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 638 m; within 80 km, large variations in elevation — a maximum elevation change of 1,167 m.

The land around Aytos is covered by grassland (41%) and cropland (36%) within 3 km, cropland (47%), trees (29%) and grassland (21%) within 16 km, and trees (36%) and cropland (32%) within 80 km.

3 km
249 m
16 km
638 m
80 km
1,167 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Karnobat 23 km · Burgas 28 km · Nessebar 40 km · Yambol 66 km · Shumen 69 km · Asparuhovo 74 km · Sliven 76 km · Varna 78 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 Aytos (42.7032°, 27.2546°, elevation 149 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).