Suwałki weather in January

In January, Suwałki sees average daytime highs of -1°C and overnight lows near -5°C, with 41 mm of precipitation across 10.9 wet days and about 7.7 hours of daylight. It is the 12th-warmest and 9th-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 12 min at the start of January to 8 h 24 min by month's end. Set against the rest of the year, January is Suwałki's 10th-clearest and 1st-windiest month. For the whole year in context, see Suwałki's year-round climate.

Daytime high
-1°
12th warmest
Overnight low
-5°
1st coldest
Precipitation
41 mm
10.9 wet days
Daylight
7 h 42 min
7:48 AM – 3:27 PM
Cloud cover
83%
10th clearest
Wind
16 km/h
1st windiest
Solar energy
0.64 kWh/m²
Travel score
0.0
out of 10

Suwałki is town in Poland.

Air quality
Moderate
PM2.5 12 µg/m³ · 2019
Density
1,049/km²
people per km²
Founded
1690

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 Suwałki 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 -9°C and 5°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
10-5
2-1-5
3-1-5
4-1-5
5-1-5
6-1-5
7-1-5
8-1-5
9-1-5
10-1-5
11-1-5
12-1-5
13-1-5
14-1-5
15-1-5
16-1-5
17-1-5
18-1-5
19-1-5
20-1-5
21-1-5
22-1-6
23-1-6
24-1-6
25-1-6
26-1-6
27-1-6
28-1-6
29-1-6
30-1-6
31-1-6

How January really feels in Suwałki

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
31 feel bitter (≤ -10°C)

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

Suwałki weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -5°4110.97.57.70.0
Feb / -5°369.46.99.40.0
Mar / -2°3910.24.511.50.3
Apr12° / 429.21.213.73.1
May18° / 59120.115.75.4
Jun21° / 11°7211.9016.86.0
Jul23° / 13°8012.2016.46.4
Aug22° / 13°7211.7014.66.4
Sep17° / 559.1012.55.3
Oct11° / 5010.30.610.22.5
Nov / 399.73.18.30.2
Dec / -3°4310.16.27.20.0

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 (%)
11684
21684
31684
41585
51585
61585
71486
81486
91486
101585
111585
121585
131585
141486
151486
161684
171684
181684
191783
201783
211783
221783
231783
241783
251783
261882
271981
281981
291981
301882
311981

Chance of precipitation in January

Any precipitationSnow

Suwałki gets around 41 mm of rain and snow over 10.9 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 34% and peaks near 37% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13722
23722
33722
43722
53722
63722
73622
83622
93622
103522
113422
123422
133322
143322
153322
163323
173323
183323
193224
203224
213324
223325
233325
243325
253425
263425
273426
283526
293526
303526
313525

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

Across January, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 12 min at the start of January to 8 h 24 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 7:56 AM to 7:29 AM, and sunset from 3:07 PM to 3:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.27:563:07
27.27:563:08
37.27:563:09
47.27:553:10
57.37:553:11
67.37:553:13
77.37:543:14
87.47:543:15
97.47:533:17
107.47:533:18
117.57:523:19
127.57:513:21
137.57:513:22
147.67:503:24
157.67:493:26
167.77:483:27
177.77:473:29
187.77:463:30
197.87:453:32
207.87:443:34
217.97:433:36
227.97:423:37
238.07:403:39
248.07:393:41
258.17:383:43
268.17:363:45
278.27:353:47
288.27:343:48
298.37:323:50
308.47:313:52
318.47:293:54

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 0.43 kWh/m² to a high of 5.42 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 Suwałki?

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 Suwałki.

What to pack for Suwałki in January

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

In January, Suwałki sees daytime highs around -1°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Suwałki 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 Suwałki peaks around June 23 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 23UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Suwałki in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Suwałki is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 7 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Suwałki's WHO annual average of 12 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1315 µg/m³Dec 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar15Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug14Moderate
Sep12Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Suwałki?

Suwałki sits at 54.1°N, 22.9°E, 177 m above sea level, in Poland. The nearest listed city is Olecko, 29 km away.

EłkMarijampolėGrajewoGusevGrodnoGiżycko

Topography around Suwałki

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

Within 3 km, the terrain around Suwałki has only modest variations in elevation — a maximum elevation change of 64 m around an average of 176 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 160 m; within 80 km, significant variations in elevation — a maximum elevation change of 292 m.

The land around Suwałki is covered by artificial surfaces (32%), grassland (30%) and cropland (20%) within 3 km, grassland (34%), trees (30%) and cropland (27%) within 16 km, and trees (36%), cropland (31%) and grassland (29%) within 80 km.

3 km
64 m
16 km
160 m
80 km
292 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Olecko 29 km · Augustów 30 km · Ełk 49 km · Marijampolė 57 km · Grajewo 60 km · Gusev 71 km · Grodno 76 km · Giżycko 77 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 Suwałki (54.1118°, 22.9309°, elevation 177 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).