Białystok weather in January

In January, Białystok sees average daytime highs of -1°C and overnight lows near -5°C, with 40 mm of precipitation across 10.4 wet days and about 7.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near -1°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 24 min at the start of January to 8 h 36 min by month's end. Set against the rest of the year, January is Białystok's 11th-clearest and 1st-windiest month. For the whole year in context, see Białystok's year-round climate.

Daytime high
-1°
12th warmest
Overnight low
-5°
1st coldest
Precipitation
40 mm
10.4 wet days
Daylight
7 h 48 min
7:42 AM – 3:31 PM
Cloud cover
84%
11th clearest
Wind
15 km/h
1st windiest
Solar energy
0.64 kWh/m²
Travel score
0.0
out of 10

Białystok is city and capital of Podlaskie Voivodeship in eastern Poland.

Density
2,899/km²
people per km²
Founded
1691

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 -1°C through the month.

A typical January day in Białystok reaches about -1°C in the afternoon and slips back to -5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 5°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
10-5
20-5
30-5
40-5
50-5
60-5
70-5
80-5
90-5
100-5
110-5
120-5
130-5
140-5
15-1-5
16-1-5
17-1-5
18-1-5
19-1-5
20-1-5
21-1-5
22-1-5
23-1-5
24-1-6
25-1-6
26-1-6
27-1-6
28-1-6
29-1-6
30-1-6
31-1-5

How January really feels in Białystok

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
30 feel bitter (≤ -10°C)

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

Białystok 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-1° / -5°4010.47.37.90.0
Feb / -5°389.46.59.50.0
Mar / -2°4110.44.111.50.4
Apr13° / 469.91.213.63.4
May18° / 67120.115.55.6
Jun22° / 11°7112.6016.66.0
Jul24° / 13°8413.2016.26.4
Aug23° / 13°6810.5014.56.7
Sep18° / 589.6012.45.5
Oct11° / 489.90.610.32.7
Nov / 419.73.18.40.3
Dec / -3°4510.16.17.40.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51585
61585
71585
81585
91585
101585
111585
121585
131585
141585
151585
161585
171684
181684
191684
201684
211684
221684
231684
241684
251684
261684
271783
281783
291783
301783
311783

Chance of precipitation in January

Any precipitationSnow

Białystok gets around 40 mm of rain and snow over 10.4 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 33% and peaks near 36% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13622
23622
33622
43622
53622
63622
73622
83522
93522
103422
113322
123322
133222
143222
153122
163122
173022
183023
193023
203023
213023
223024
233024
243124
253124
263224
273224
283324
293324
303324
313323

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 15 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 24 min at the start of January to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over January. Sunrise moves from 7:49 AM to 7:24 AM, and sunset from 3:12 PM to 3:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.47:493:12
27.47:493:13
37.47:493:14
47.47:493:15
57.57:483:16
67.57:483:17
77.57:483:19
87.57:473:20
97.67:473:21
107.67:463:23
117.67:463:24
127.77:453:25
137.77:443:27
147.77:443:28
157.87:433:30
167.87:423:31
177.97:413:33
187.97:403:34
197.97:393:36
208.07:383:38
218.07:373:39
228.17:363:41
238.17:353:43
248.27:343:45
258.27:323:46
268.37:313:48
278.37:303:50
288.47:283:52
298.47:273:54
308.57:263:55
318.67:243:57

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.64 kWh/m².

For context, solar energy here swings from a low near 0.44 kWh/m² to a high of 5.45 kWh/m² in June across the year — January's 0.64 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.5Dim
30.5Dim
40.5Dim
50.5Dim
60.5Dim
70.5Dim
80.5Dim
90.5Dim
100.6Dim
110.6Dim
120.6Dim
130.6Dim
140.6Dim
150.6Dim
160.6Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.8Dim
280.9Dim
290.9Dim
300.9Dim
310.9Dim
Planning a trip in January

Is January a good time to visit Białystok?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Białystok.

What to pack for Białystok in January

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

In January, Białystok sees daytime highs around -1°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Białystok 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 Białystok peaks around June 22 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Białystok?

Białystok sits at 53.1°N, 23.2°E, 135 m above sea level, in Poland. The nearest listed city is Łapy, 25 km away.

Bielsk PodlaskiHajnówkaZambrówŁomżaGrajewoGrodno

Topography around Białystok

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

Within 3 km, the terrain around Białystok has only modest variations in elevation — a maximum elevation change of 57 m around an average of 143 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 111 m; within 80 km, only modest variations in elevation — a maximum elevation change of 182 m.

The land around Białystok is covered by artificial surfaces (59%) and trees (33%) within 3 km, trees (49%) and grassland (26%) within 16 km, and trees (39%), cropland (36%) and grassland (22%) within 80 km.

3 km
57 m
16 km
111 m
80 km
182 m
treesgrasslandcroplandartificial surfaceswetland
January weather nearby: Łapy 25 km · Sokółka 38 km · Bielsk Podlaski 41 km · Hajnówka 52 km · Zambrów 64 km · Łomża 74 km · Grajewo 74 km · Grodno 75 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

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 Białystok (53.1333°, 23.1643°, elevation 135 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).