Sfântu Gheorghe weather in May

In May, Sfântu Gheorghe sees average daytime highs of 18°C and overnight lows near 8°C, with 88 mm of precipitation across 14.6 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 19°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Sfântu Gheorghe's 6th-clearest and 5th-windiest month. For the whole year in context, see Sfântu Gheorghe's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
88 mm
14.6 wet days
Daylight
14 h 42 min
4:51 AM – 7:35 PM
Cloud cover
61%
6th clearest
Wind
7 km/h
5th windiest
Solar energy
5.45 kWh/m²
Travel score
5.2
out of 10

Sfântu Gheorghe is locality in Covasna County, Romania.

Air quality
Good
PM10 21.3 µg/m³ · 2019
Founded
1332

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 19°C by the end.

A typical May day in Sfântu Gheorghe reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1166
2166
3176
4176
5176
6176
7176
8177
9177
10177
11177
12187
13187
14187
15188
16188
17188
18188
19188
20188
21188
22198
23198
24199
25199
26199
27199
28199
29199
30199
31209

How May really feels in Sfântu Gheorghe

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.

Sfântu Gheorghe weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°388.78.88.90.0
Feb / -6°368.47.7100.0
Mar / -2°5110.66.211.60.9
Apr13° / 6712.12.113.33.4
May18° / 8814.60.214.75.2
Jun22° / 11°9714.3015.55.9
Jul23° / 13°9412.9015.26.6
Aug24° / 12°7210.4013.97.1
Sep19° / 588.7012.36.3
Oct13° / 517.61.110.74.1
Nov / -0°4284.69.31.1
Dec / -5°438.67.58.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34951
44951
54852
64753
74753
84654
94654
104555
114456
124456
134357
144357
154357
164357
174456
184357
194357
204258
214258
224258
234258
244258
254258
264357
274357
284357
294357
304456
314555

Chance of precipitation in May

Any precipitation

Sfântu Gheorghe gets around 88 mm of rain and snow over 14.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 51% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
140
240
341
441
542
643
743
844
944
1045
1145
1245
1346
1446
1546
1646
1747
1847
1947
2048
2148
2249
2349
2450
2550
2650
2750
2851
2950
3050
3150

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
12991
13991
14991
15991
16991
17991
18982
19982
20973
21973
22964
23955
24946
25937
26928
27919
289010
298911
308713
318614

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 12 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 4:37 AM, and sunset from 7:16 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:127:16
214.15:117:17
314.25:097:19
414.25:087:20
514.35:067:21
614.35:057:22
714.35:037:24
814.45:027:25
914.45:007:26
1014.54:597:28
1114.54:587:29
1214.64:567:30
1314.64:557:31
1414.64:547:32
1514.74:537:34
1614.74:517:35
1714.84:507:36
1814.84:497:37
1914.84:487:38
2014.94:477:40
2114.94:467:41
2215.04:457:42
2315.04:447:43
2415.04:437:44
2515.14:427:45
2615.14:417:46
2715.14:407:47
2815.14:407:48
2915.24:397:49
3015.24:387:50
3115.24:377:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.45 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 5.78 kWh/m² in June across the year — May's 5.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Sfântu Gheorghe?

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

5.2
Sightseeing
5th-best month of the year
1.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sfântu Gheorghe for sightseeing.

What to pack for Sfântu Gheorghe in May

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

In May, Sfântu Gheorghe sees daytime highs around 18°C and nights near 8°C. Pack rain gear. Worth having: a warm layer and sun protection. About 15 days see rain.

rain geara warm layersun protection

UV index in Sfântu Gheorghe 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 Sfântu Gheorghe 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 17UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Sfântu Gheorghe?

Sfântu Gheorghe sits at 45.9°N, 25.8°E, 552 m above sea level, in Romania. The nearest listed city is Brasov, 28 km away.

ZărneștiMiercurea-CiucSinaia

Topography around Sfântu Gheorghe

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

Within 3 km, the terrain around Sfântu Gheorghe has only modest variations in elevation — a maximum elevation change of 203 m around an average of 560 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,251 m.

The land around Sfântu Gheorghe is covered by grassland (30%), cropland (26%) and trees (22%) within 3 km, trees (40%), cropland (34%) and grassland (23%) within 16 km, and trees (64%) and grassland (24%) within 80 km.

3 km
203 m
16 km
599 m
80 km
2,251 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Brasov 28 km · Săcele 28 km · Târgu Secuiesc 31 km · Codlea 32 km · Râşnov 41 km · Zărnești 50 km · Miercurea-Ciuc 54 km · Sinaia 60 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Sfântu Gheorghe (45.8667°, 25.7833°, elevation 552 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).