Aiud weather in January

In January, Aiud sees average daytime highs of 2°C and overnight lows near -5°C, with 28 mm of precipitation across 7.3 wet days and about 8.8 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 28% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 30 min at the start of January to 9 h 18 min by month's end. Set against the rest of the year, January is Aiud's 10th-clearest and 5th-windiest month. For the whole year in context, see Aiud's year-round climate.

Daytime high
12th warmest
Overnight low
-5°
1st coldest
Precipitation
28 mm
7.3 wet days
Daylight
8 h 48 min
8:11 AM – 4:58 PM
Cloud cover
62%
10th clearest
Wind
6 km/h
5th windiest
Solar energy
1.41 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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 2°C through the month.

A typical January day in Aiud reaches about 2°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 -4°C and 8°C. Set against its neighbours, January runs about 1°C cooler than December and about 3°C cooler than February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
12-4
22-4
32-4
42-4
52-4
62-4
72-4
82-4
92-4
102-4
112-4
122-4
132-4
142-4
152-4
162-4
172-4
182-4
192-4
202-5
212-5
222-5
232-5
242-5
252-5
262-5
272-5
282-5
292-5
302-5
313-5

How January really feels in Aiud

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Aiud weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54357
64258
74357
84357
94456
104456
114456
124654
134654
144654
154654
164654
174654
184555
194555
204555
214456
224357
234357
244357
254258
264258
274258
284258
294159
304060
314060

Chance of precipitation in January

Any precipitationSnow

Aiud gets around 28 mm of rain and snow over 7.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 23% and peaks near 25% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12516
22516
32515
42415
52415
62315
72214
82214
92214
102114
112115
122115
132115
142115
152116
162216
172216
182217
192217
202318
212318
222418
232418
242418
252418
262418
272418
282418
292418
302418
312317

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 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
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 30 min at the start of January to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:14 AM to 7:58 AM, and sunset from 4:42 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.58:144:42
28.58:144:43
38.58:144:44
48.58:144:45
58.58:144:46
68.58:144:47
78.68:144:48
88.68:144:49
98.68:144:50
108.68:134:51
118.78:134:52
128.78:134:53
138.78:124:54
148.78:124:56
158.88:114:57
168.88:114:58
178.88:104:59
188.88:105:01
198.98:095:02
208.98:085:03
218.98:085:04
229.08:075:06
239.08:065:07
249.18:055:09
259.18:045:10
269.18:035:11
279.28:035:13
289.28:025:14
299.28:015:16
309.38:005:17
319.37:585:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.41 kWh/m².

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 — January's 1.41 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.2Dim
21.2Dim
31.2Dim
41.2Dim
51.2Dim
61.2Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
121.3Dim
131.4Dim
141.4Dim
151.4Dim
161.4Dim
171.4Dim
181.5Dim
191.5Dim
201.5Dim
211.5Dim
221.6Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.7Dim
281.7Dim
291.7Dim
301.8Dim
311.8Dim
Planning a trip in January

Is January a good time to visit Aiud?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Aiud.

What to pack for Aiud in January

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

In January, Aiud sees daytime highs around 2°C and nights near -5°C. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Aiud in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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
January 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).