Shumen weather in May

In May, Shumen sees average daytime highs of 21°C and overnight lows near 11°C, with 61 mm of rain across 10.9 wet days and about 14.5 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 31% 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 14 h 54 min by month's end. Set against the rest of the year, May is Shumen's 5th-clearest and 9th-windiest month. For the whole year in context, see Shumen's year-round climate.

Daytime high
21°
5th warmest
Overnight low
11°
8th coldest
Rainfall
61 mm
10.9 wet days
Daylight
14 h 30 min
4:54 AM – 7:23 PM
Cloud cover
56%
5th clearest
Wind
9 km/h
9th windiest
Solar energy
5.85 kWh/m²
Travel score
6.5
out of 10

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

Air quality
Good
PM10 29.5 µg/m³ · 2019
Density
531/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 Shumen 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 16°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
4209
5209
6209
72010
82010
92010
102110
112110
122110
132111
142111
152111
162111
172211
182211
192212
202212
212212
222212
232212
242212
252212
262312
272313
282313
292313
302313
312313

How May really feels in Shumen

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.

Shumen 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 / -3°477.54.59.20.0
Feb / -1°437.44.110.20.7
Mar11° / 528.82.811.62.6
Apr16° / 529.70.413.25.0
May21° / 11°6110.9014.56.5
Jun26° / 15°6310.2015.16.8
Jul28° / 17°548.5014.96.6
Aug28° / 17°376.2013.86.8
Sep24° / 13°506.4012.37.6
Oct17° / 516.70.310.85.9
Nov11° / 466.61.29.52.9
Dec / -1°5083.48.90.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55248
65248
75248
85248
95248
105248
115248
125248
135347
145347
155347
165347
175446
185446
195446
205545
215545
225545
235545
245545
255545
265545
275644
285644
295644
305644
315644

Chance of precipitation in May

Any precipitation

Shumen gets around 61 mm of rain over 10.9 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 35% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
431
532
632
732
832
933
1033
1133
1233
1333
1434
1534
1634
1734
1835
1935
2036
2136
2237
2338
2439
2539
2640
2740
2841
2941
3041
3141

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 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19550
29460
39460
49370
59280
69190
789110
888120
985141
1084151
1182171
1281181
1378202
1476222
1573243
1672253
1769274
1867285
1965305
2063316
2161327
2259338
2357349
24553510
25533611
26513712
27503713
28483814
29463915
30444016
31424117

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 54 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 60 minutes over May. Sunrise moves from 5:13 AM to 4:42 AM, and sunset from 7:06 PM to 7:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:137:06
213.95:127:07
314.05:107:08
414.05:097:09
514.15:087:11
614.15:067:12
714.15:057:13
814.25:047:14
914.25:027:15
1014.35:017:16
1114.35:007:17
1214.34:597:19
1314.44:577:20
1414.44:567:21
1514.44:557:22
1614.54:547:23
1714.54:537:24
1814.64:527:25
1914.64:517:26
2014.64:507:27
2114.74:497:28
2214.74:487:29
2314.74:477:30
2414.74:477:31
2514.84:467:32
2614.84:457:33
2714.84:447:34
2814.94:447:35
2914.94:437:36
3014.94:427:37
3114.94:427:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.85 kWh/m².

For context, solar energy here swings from a low near 1.37 kWh/m² to a high of 6.38 kWh/m² in July across the year — May's 5.85 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Shumen?

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

6.5
Sightseeing
5th-best month of the year
4.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Shumen for sightseeing.

What to pack for Shumen in May

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

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

rain gearsun protection

UV index in Shumen 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 Shumen peaks around July 18 at about 9 (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 9Dec 20UV 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 Shumen?

Shumen sits at 43.3°N, 26.9°E, 237 m above sea level, in Bulgaria. The nearest listed city is Targovishte, 28 km away.

TargovishteRazgradPopovoAytosKarnobatAsparuhovoVarnaDobrich

Topography around Shumen

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

Within 3 km, the terrain around Shumen has significant variations in elevation — a maximum elevation change of 349 m around an average of 300 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 453 m; within 80 km, large variations in elevation — a maximum elevation change of 1,163 m.

The land around Shumen is covered by trees (49%) and artificial surfaces (28%) within 3 km, cropland (59%) and trees (23%) within 16 km, and cropland (46%) and trees (40%) within 80 km.

3 km
349 m
16 km
453 m
80 km
1,163 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Targovishte 28 km · Razgrad 44 km · Popovo 56 km · Aytos 69 km · Karnobat 69 km · Asparuhovo 79 km · Varna 80 km · Dobrich 80 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 Shumen (43.2706°, 26.9229°, elevation 237 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. 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).