Alba Iulia weather in December

In December, Alba Iulia sees average daytime highs of 3°C and overnight lows near -2°C, with 45 mm of precipitation across 9.2 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 5°C in the first days to 2°C by the end. The sky is clear or mostly clear about 22% 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 Alba Iulia's 10th-clearest and 5th-windiest month. For the whole year in context, see Alba Iulia's year-round climate.

Daytime high
11th warmest
Overnight low
-2°
3rd coldest
Precipitation
45 mm
9.2 wet days
Daylight
8 h 30 min
8:08 AM – 4:36 PM
Cloud cover
66%
10th clearest
Wind
7 km/h
5th windiest
Solar energy
1.15 kWh/m²
Travel score
0.0
out of 10

Alba Iulia is locality in Alba County, Romania.

Air quality
Good
PM10 23.8 µg/m³ · 2019

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 5°C in the first days to 2°C by the end.

A typical December day in Alba Iulia reaches about 3°C in the afternoon and slips back to -2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 9°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
15-1
25-1
35-1
44-1
54-1
64-1
74-1
84-2
94-2
103-2
113-2
123-2
133-2
143-2
153-2
163-3
173-3
182-3
192-3
202-3
212-3
222-3
232-3
242-3
252-3
262-3
272-3
282-3
292-4
302-4
312-4

How December really feels in Alba Iulia

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.

Alba Iulia 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 / -4°378.96.98.90.0
Feb / -3°389.26.1100.1
Mar / 5310.64.211.61.9
Apr15° / 7413.41.113.34.2
May20° / 10°9215.9014.75.4
Jun23° / 13°11516.8015.55.8
Jul25° / 15°9915.4015.26.1
Aug26° / 14°7912.80146.6
Sep21° / 10°6810.2012.36.4
Oct15° / 558.70.510.74.8
Nov / 428.62.99.21.7
Dec / -2°459.25.78.50.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53466
63466
73466
83367
93466
103466
113466
123466
133466
143565
153565
163565
173565
183664
193565
203664
213664
223664
233664
243664
253664
263664
273565
283466
293466
303466
313466

Chance of precipitation in December

Any precipitationSnow

Alba Iulia gets around 45 mm of rain and snow over 9.2 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 30% and peaks near 31% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13115
23115
33115
43115
53115
63116
73016
83016
93016
103017
113017
123017
133018
143018
153019
163019
173019
183020
193020
203021
213021
223021
233022
243022
253022
263122
273122
283122
293122
303122
313121

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
16calm
26calm
36calm
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 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 7:54 AM to 8:14 AM, and sunset from 4:37 PM to 4:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.77:544:37
28.77:554:36
38.77:564:36
48.67:574:36
58.67:594:35
68.68:004:35
78.68:014:35
88.68:024:35
98.58:024:35
108.58:034:35
118.58:044:35
128.58:054:35
138.58:064:35
148.58:074:35
158.58:074:35
168.58:084:36
178.48:094:36
188.48:094:36
198.48:104:36
208.48:114:37
218.48:114:37
228.48:124:38
238.48:124:38
248.48:124:39
258.48:134:39
268.48:134:40
278.48:134:40
288.58:144:41
298.58:144:42
308.58:144:43
318.58:144:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.15 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.15 kWh/m² to a high of 5.91 kWh/m² in June across the year — December's 1.15 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.2Dim
31.2Dim
41.2Dim
51.2Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.2Dim
121.1Dim
131.1Dim
141.1Dim
151.1Dim
161.1Dim
171.1Dim
181.1Dim
191.1Dim
201.1Dim
211.1Dim
221.1Dim
231.1Dim
241.1Dim
251.1Dim
261.1Dim
271.1Dim
281.1Dim
291.2Dim
301.2Dim
311.2Dim
Planning a trip in December

Is December a good time to visit Alba Iulia?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Alba Iulia.

What to pack for Alba Iulia in December

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

In December, Alba Iulia sees daytime highs around 3°C and nights near -2°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 Alba Iulia 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 Alba Iulia peaks around July 15 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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr8Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Alba Iulia?

Alba Iulia sits at 46.1°N, 23.6°E, 219 m above sea level, in Romania. The nearest listed city is Sebeş, 12 km away.

SibiuDeva

Topography around Alba Iulia

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

Within 3 km, the terrain around Alba Iulia has only modest variations in elevation — a maximum elevation change of 127 m around an average of 230 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 871 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,305 m.

The land around Alba Iulia is covered by cropland (37%), artificial surfaces (31%) and grassland (21%) within 3 km, cropland (38%), grassland (29%) and trees (28%) within 16 km, and trees (53%) and grassland (27%) within 80 km.

3 km
127 m
16 km
871 m
80 km
2,305 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Sebeş 12 km · Blaj 28 km · Aiud 29 km · Cugir 30 km · Orăştie 39 km · Ocna Mureş 41 km · Sibiu 53 km · Deva 57 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 Alba Iulia (46.0667°, 23.5833°, elevation 219 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).