Blaj weather in January

In January, Blaj sees average daytime highs of 2°C and overnight lows near -5°C, with 24 mm of precipitation across 6.7 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 27% 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 Blaj's 12th-clearest and 4th-windiest month. For the whole year in context, see Blaj's year-round climate.

Daytime high
12th warmest
Overnight low
-5°
1st coldest
Precipitation
24 mm
6.7 wet days
Daylight
8 h 48 min
8:10 AM – 4:58 PM
Cloud cover
64%
12th clearest
Wind
7 km/h
4th windiest
Solar energy
1.39 kWh/m²
Travel score
0.0
out of 10

Blaj 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 Blaj reaches about 2°C in the afternoon and slips back to -5°C overnight — a 7°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)
12-5
22-5
32-5
42-5
52-5
62-5
72-5
82-5
92-5
102-4
112-4
122-4
132-4
142-4
152-5
162-5
172-5
182-5
192-5
202-5
212-5
222-5
232-5
242-5
252-5
262-5
272-5
283-5
293-5
303-5
313-5

How January really feels in Blaj

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.

Blaj 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°246.74.18.80.0
Feb / -3°236.23.7100.3
Mar11° / 3481.811.62.8
Apr17° / 519.80.513.35.4
May22° / 10°7112.6014.76.3
Jun26° / 14°8412.1015.56.4
Jul28° / 16°7111.7015.26.2
Aug28° / 15°538.30146.5
Sep23° / 11°528012.37.2
Oct17° / 427010.75.7
Nov / 306.31.39.22.2
Dec / -3°306.93.18.50.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
74159
84159
94258
104357
114357
124357
134357
144357
154456
164456
174357
184357
194357
204258
214258
224258
234060
244060
254060
264060
274159
284159
294159
304159
314159

Chance of precipitation in January

Any precipitationSnow

Blaj gets around 24 mm of rain and snow over 6.7 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 21% and peaks near 23% on the wettest days, and about 4 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
12313
22313
32213
42213
52112
62112
72012
81912
91912
101912
111812
121811
131811
141811
151912
161912
171912
182012
192012
202113
212113
222213
232214
242314
252314
262314
272314
282314
292314
302214
312214

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 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 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
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 8:13 AM to 7:57 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)
18.58:134:42
28.58:134:43
38.58:134:44
48.58:134:45
58.58:134:46
68.68:134:47
78.68:134:48
88.68:134:49
98.68:124:50
108.68:124:51
118.78:124:52
128.78:114:53
138.78:114:54
148.78:104:55
158.88:104:57
168.88:104:58
178.88:094:59
188.98:085:00
198.98:085:02
208.98:075:03
219.08:065:04
229.08:065:05
239.08:055:07
249.18:045:08
259.18:035:10
269.18:025:11
279.28:015:12
289.28:005:14
299.37:595:15
309.37:585:17
319.37:575:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.39 kWh/m².

For context, solar energy here swings from a low near 1.14 kWh/m² to a high of 5.98 kWh/m² in June across the year — January's 1.39 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
71.2Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
121.3Dim
131.3Dim
141.4Dim
151.4Dim
161.4Dim
171.4Dim
181.4Dim
191.5Dim
201.5Dim
211.5Dim
221.5Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.6Dim
281.7Dim
291.7Dim
301.7Dim
311.8Dim
Planning a trip in January

Is January a good time to visit Blaj?

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 Blaj.

What to pack for Blaj in January

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

In January, Blaj 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 Blaj 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 Blaj 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery 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 Blaj?

Blaj sits at 46.2°N, 23.9°E, 246 m above sea level, in Romania. The nearest listed city is Aiud, 21 km away.

Câmpia Turzii

Topography around Blaj

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

Within 3 km, the terrain around Blaj has only modest variations in elevation — a maximum elevation change of 242 m around an average of 296 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,196 m.

The land around Blaj is covered by cropland (37%), grassland (29%) and trees (21%) within 3 km, cropland (42%) and grassland (39%) within 16 km, and trees (45%), grassland (31%) and cropland (22%) within 80 km.

3 km
242 m
16 km
324 m
80 km
2,196 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Aiud 21 km · Ocna Mureş 24 km · Alba Iulia 28 km · Mediaş 33 km · Târnăveni 34 km · Sebeş 36 km · Luduş 37 km · Câmpia Turzii 42 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 Blaj (46.1751°, 23.9158°, elevation 246 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).