Ruse weather in May

In May, Ruse sees average daytime highs of 23°C and overnight lows near 13°C, with 65 mm of rain across 10.8 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 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 34% 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 Ruse's 6th-clearest and 8th-windiest month. For the whole year in context, see Ruse's year-round climate.

Daytime high
23°
5th warmest
Overnight low
13°
8th coldest
Rainfall
65 mm
10.8 wet days
Daylight
14 h 30 min
4:56 AM – 7:28 PM
Cloud cover
55%
6th clearest
Wind
10 km/h
8th windiest
Solar energy
5.87 kWh/m²
Travel score
6.7
out of 10

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

Air quality
Elevated
PM2.5 20.1 µg/m³ · 2019
Density
953/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 21°C in the first days to 24°C by the end.

A typical May day in Ruse reaches about 23°C in the afternoon and slips back to 13°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 28°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12110
22111
32111
42111
52111
62211
72211
82212
92212
102212
112212
122212
132312
142313
152313
162313
172313
182313
192313
202313
212313
222414
232414
242414
252414
262414
272414
282414
292414
302414
312515

How May really feels in Ruse

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.

Ruse 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°447.14.69.10.0
Feb / -1°3973.610.20.6
Mar12° / 508.82.311.63.1
Apr17° / 559.60.413.25.6
May23° / 13°6510.8014.56.7
Jun27° / 17°7910.7015.26.5
Jul29° / 18°648.4014.95.9
Aug29° / 18°485.9013.86.2
Sep24° / 14°556.1012.37.6
Oct18° / 516.90.210.86.1
Nov11° / 486.91.69.52.9
Dec / -1°477.73.48.80.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55347
65347
75347
85347
95347
105248
115149
125248
135248
145248
155347
165347
175347
185347
195347
205446
215446
225446
235446
245545
255545
265545
275644
285743
295743
305743
315743

Chance of precipitation in May

Any precipitation

Ruse gets around 65 mm of rain over 10.8 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 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
130
230
330
431
531
632
732
833
933
1034
1134
1235
1335
1435
1535
1635
1735
1836
1936
2036
2136
2237
2337
2437
2537
2637
2738
2838
2938
3038
3138

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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191810
290910
3891010
4881110
5871210
6861310
7841510
8831610
9801820
10791920
11762130
12742330
13722440
14702640
15672850
16652960
17623170
18603280
19573490
205535100
215336110
225236120
235136130
244937150
254737160
264637170
274537180
284336200
294236210
304136231
313936241

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
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 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 5:16 AM to 4:44 AM, and sunset from 7:11 PM to 7:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:167:11
214.05:147:12
314.05:137:13
414.15:127:15
514.15:107:16
614.15:097:17
714.25:077:18
814.25:067:19
914.35:057:20
1014.35:037:22
1114.35:027:23
1214.45:017:24
1314.45:007:25
1414.54:597:26
1514.54:587:27
1614.54:567:28
1714.64:557:30
1814.64:547:31
1914.64:537:32
2014.74:527:33
2114.74:517:34
2214.74:507:35
2314.84:507:36
2414.84:497:37
2514.84:487:38
2614.94:477:39
2714.94:467:40
2814.94:467:41
2914.94:457:42
3015.04:447:43
3115.04:447:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.87 kWh/m².

For context, solar energy here swings from a low near 1.36 kWh/m² to a high of 6.34 kWh/m² in June across the year — May's 5.87 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
256.0Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
316.1Intense
Planning a trip in May

Is May a good time to visit Ruse?

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

6.7
Sightseeing
2nd-best month of the year
5.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Ruse for sightseeing.

What to pack for Ruse in May

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

In May, Ruse sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Ruse 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 Ruse peaks around July 19 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 19UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr8Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Ruse 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 Ruse is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Ruse's WHO annual average of 20.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1925 µg/m³Dec 1216 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb21Moderate
Mar26Moderate
Apr23Moderate
May22Moderate
Jun22Moderate
Jul21Moderate
Aug19Moderate
Sep18Moderate
Oct18Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Ruse?

Ruse sits at 43.8°N, 26.0°E, 39 m above sea level, in Bulgaria. The nearest listed city is Giurgiu, 4.0 km away.

AlexandriaZimniceaSvishtovRazgradPopovoSector 4Olteniţa

Topography around Ruse

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

Within 3 km, the terrain around Ruse has only modest variations in elevation — a maximum elevation change of 143 m around an average of 41 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, significant variations in elevation — a maximum elevation change of 520 m.

The land around Ruse is covered by trees (33%) and artificial surfaces (32%) within 3 km, cropland (63%) within 16 km, and cropland (67%) and trees (20%) within 80 km.

3 km
143 m
16 km
163 m
80 km
520 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Giurgiu 4.0 km · Alexandria 52 km · Zimnicea 52 km · Svishtov 55 km · Razgrad 57 km · Popovo 60 km · Sector 4 60 km · Olteniţa 60 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 Ruse (43.8487°, 25.9534°, elevation 39 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. 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).