Sfântu Gheorghe weather in December

In December, Sfântu Gheorghe sees average daytime highs of 1°C and overnight lows near -5°C, with 43 mm of precipitation across 8.6 wet days and about 8.5 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 3°C in the first days to -0°C by the end. The sky is clear or mostly clear about 23% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 42 min at the start of December to 8 h 30 min by month's end. Set against the rest of the year, December is Sfântu Gheorghe's 10th-clearest and 9th-windiest month. For the whole year in context, see Sfântu Gheorghe's year-round climate.

Daytime high
11th warmest
Overnight low
-5°
3rd coldest
Precipitation
43 mm
8.6 wet days
Daylight
8 h 30 min
7:59 AM – 4:28 PM
Cloud cover
66%
10th clearest
Wind
7 km/h
9th windiest
Solar energy
1.22 kWh/m²
Travel score
0.0
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 December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 3°C in the first days to -0°C by the end.

A typical December day in Sfântu Gheorghe reaches about 1°C in the afternoon and slips back to -5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -5°C and 7°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
13-3
23-3
33-3
43-3
52-4
62-4
72-4
82-4
92-4
102-4
111-5
121-5
131-5
141-5
151-5
161-5
171-5
181-6
190-6
200-6
210-6
220-6
230-6
240-6
250-6
260-6
270-6
280-6
290-6
300-7
310-7

How December really feels in Sfântu Gheorghe

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Sfântu Gheorghe weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43664
53664
63565
73565
83565
93466
103565
113565
123466
133466
143367
153466
163466
173466
183466
193466
203466
213565
223466
233466
243466
253367
263367
273367
283367
293367
303367
313268

Chance of precipitation in December

Any precipitationSnow

Sfântu Gheorghe gets around 43 mm of rain and snow over 8.6 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 32% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12821
22821
32821
42821
52720
62720
72720
82720
92621
102621
112621
122621
132622
142622
152623
162623
172724
182725
192725
202826
212827
222827
232928
242929
253029
263030
273130
283131
293231
303231
313231

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 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
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 42 min at the start of December to 8 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:45 AM to 8:05 AM, and sunset from 4:29 PM to 4:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.77:454:29
28.77:464:28
38.77:474:28
48.77:484:28
58.67:494:27
68.67:504:27
78.67:514:27
88.67:524:27
98.67:534:27
108.67:544:27
118.57:554:27
128.57:554:27
138.57:564:27
148.57:574:27
158.57:584:27
168.57:594:28
178.57:594:28
188.58:004:28
198.58:004:28
208.58:014:29
218.58:024:29
228.58:024:30
238.58:024:30
248.58:034:31
258.58:034:31
268.58:044:32
278.58:044:32
288.58:044:33
298.58:044:34
308.58:054:35
318.58:054:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.22 kWh/m² — the year's lowest.

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 — December's 1.22 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.2Dim
121.2Dim
131.2Dim
141.2Dim
151.2Dim
161.2Dim
171.2Dim
181.2Dim
191.2Dim
201.2Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.2Dim
261.2Dim
271.2Dim
281.2Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Sfântu Gheorghe?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Sfântu Gheorghe.

What to pack for Sfântu Gheorghe in December

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

In December, Sfântu Gheorghe sees daytime highs around 1°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Sfântu Gheorghe in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. 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
December 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).