Aiud weather in December

In December, Aiud sees average daytime highs of 3°C and overnight lows near -3°C, with 35 mm of precipitation across 8 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 28% 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 Aiud's 9th-clearest and 10th-windiest month. For the whole year in context, see Aiud's year-round climate.

Daytime high
11th warmest
Overnight low
-3°
3rd coldest
Precipitation
35 mm
8 wet days
Daylight
8 h 24 min
8:09 AM – 4:34 PM
Cloud cover
61%
9th clearest
Wind
5 km/h
10th windiest
Solar energy
1.15 kWh/m²
Travel score
0.0
out of 10

Aiud is locality in Alba County, Romania.

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 Aiud reaches about 3°C in the afternoon and slips back to -3°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 8°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
15-1
25-1
35-1
44-2
54-2
64-2
74-2
84-2
94-2
103-2
113-2
123-2
133-3
143-3
153-3
163-3
173-3
182-3
192-3
202-3
212-4
222-4
232-4
242-4
252-4
262-4
272-4
282-4
292-4
302-4
312-4

How December really feels in Aiud

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.

Aiud 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 / -5°287.35.28.80.0
Feb / -3°267.14.4100.2
Mar10° / 409.12.511.62.4
Apr16° / 5410.80.613.34.9
May21° / 10°7313.7014.75.9
Jun24° / 13°9013.7015.56.3
Jul26° / 15°8313.2015.26.2
Aug27° / 15°6810.60146.8
Sep22° / 11°569.3012.36.8
Oct16° / 457.80.210.75.2
Nov / 337.129.21.9
Dec / -3°35848.50.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54555
64456
74456
84357
94357
104357
114357
124258
134258
144258
154258
164258
174258
184357
194258
204357
214357
224456
234456
244357
254456
264456
274357
284357
294357
304258
314258

Chance of precipitation in December

Any precipitationSnow

Aiud gets around 35 mm of rain and snow over 8 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 26% and peaks near 27% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1279
2279
32710
42710
52710
62710
72710
82710
92711
102611
112611
122612
132612
142613
152613
162514
172514
182514
192515
202515
212515
222516
232516
242516
252616
262616
272616
282616
292616
302616
312616

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 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 7:55 AM to 8:15 AM, and sunset from 4:35 PM to 4:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.77:554:35
28.77:564:35
38.67:574:34
48.67:584:34
58.67:594:34
68.68:004:34
78.58:014:34
88.58:024:33
98.58:034:33
108.58:044:33
118.58:054:33
128.58:054:33
138.58:064:33
148.48:074:34
158.48:084:34
168.48:094:34
178.48:094:34
188.48:104:35
198.48:104:35
208.48:114:35
218.48:124:36
228.48:124:36
238.48:134:37
248.48:134:37
258.48:134:38
268.48:144:38
278.48:144:39
288.48:144:40
298.48:144:40
308.48:154:41
318.58:154:42

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 5.92 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 Aiud?

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
10th-best month of the year

December is a weaker month for outdoor sightseeing in Aiud.

What to pack for Aiud in December

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

In December, Aiud sees daytime highs around 3°C and nights near -3°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

UV index in Aiud 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 Aiud peaks around July 16 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 16UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Aiud?

Aiud sits at 46.3°N, 23.7°E, 254 m above sea level, in Romania. The nearest listed city is Ocna Mureş, 13 km away.

SebeşTârnăveni

Topography around Aiud

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

Within 3 km, the terrain around Aiud has only modest variations in elevation — a maximum elevation change of 152 m around an average of 267 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,015 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,003 m.

The land around Aiud is covered by cropland (43%), trees (20%) and grassland (20%) within 3 km, trees (35%), grassland (33%) and cropland (29%) within 16 km, and trees (44%), grassland (32%) and cropland (22%) within 80 km.

3 km
152 m
16 km
1,015 m
80 km
2,003 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Ocna Mureş 13 km · Blaj 21 km · Turda 29 km · Alba Iulia 29 km · Câmpia Turzii 29 km · Luduş 35 km · Sebeş 41 km · Târnăveni 44 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 Aiud (46.3101°, 23.7213°, elevation 254 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).