Legionowo weather in January

In January, Legionowo sees average daytime highs of 1°C and overnight lows near -4°C, with 40 mm of precipitation across 10.1 wet days and about 8 hours of daylight. It is the 12th-warmest and 10th-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 12% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 30 min at the start of January to 8 h 42 min by month's end. Set against the rest of the year, January is Legionowo's 10th-clearest and 1st-windiest month. For the whole year in context, see Legionowo's year-round climate.

Daytime high
12th warmest
Overnight low
-4°
1st coldest
Precipitation
40 mm
10.1 wet days
Daylight
7 h 54 min
7:47 AM – 3:44 PM
Cloud cover
79%
10th clearest
Wind
14 km/h
1st windiest
Solar energy
0.71 kWh/m²
Travel score
0.0
out of 10

Legionowo is city and urban gmina of Poland.

Air quality
Elevated
PM2.5 21.1 µg/m³ · 2019
Founded
1877

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 Legionowo reaches about 1°C in the afternoon and slips back to -4°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 7°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
11-3
21-3
31-3
41-3
51-3
61-3
71-3
81-3
91-3
101-3
111-3
121-3
131-3
141-3
151-3
161-3
171-4
181-4
191-4
200-4
210-4
220-4
230-4
240-4
250-4
260-4
270-4
280-4
291-4
301-4
311-4

How January really feels in Legionowo

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.

Legionowo weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4010.15.780.0
Feb / -3°369.45.79.50.0
Mar / -0°4110.22.911.50.8
Apr14° / 449.40.713.63.9
May19° / 6711.9015.45.8
Jun22° / 12°6811.4016.56.3
Jul24° / 14°8212.7016.16.5
Aug24° / 14°6410.4014.56.8
Sep18° / 579.8012.45.8
Oct12° / 459.20.210.33.3
Nov / 399.22.38.50.6
Dec / -2°429.94.47.50.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
51981
62080
72080
82080
92080
102080
112080
122179
132179
142179
152278
162278
172278
182278
192278
202278
212278
222179
232179
242179
252179
262179
272179
282080
292080
302080
312080

Chance of precipitation in January

Any precipitationSnow

Legionowo gets around 40 mm of rain and snow over 10.1 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 32% and peaks near 34% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13416
23416
33416
43417
53417
63417
73417
83417
93317
103317
113216
123217
133117
143117
153117
163017
173018
183018
193018
203018
213018
223019
233119
243119
253219
263219
273219
283319
293319
303319
313319

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

Across January, daily wind ranges from about 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 30 min at the start of January to 8 h 42 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 7:54 AM to 7:30 AM, and sunset from 3:25 PM to 4:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.57:543:25
27.57:543:26
37.67:543:27
47.67:543:28
57.67:533:29
67.67:533:30
77.67:533:32
87.77:523:33
97.77:523:34
107.77:513:35
117.87:513:37
127.87:503:38
137.87:503:39
147.97:493:41
157.97:483:42
167.97:473:44
178.07:463:45
188.07:463:47
198.17:453:49
208.17:443:50
218.27:433:52
228.27:423:53
238.27:403:55
248.37:393:57
258.37:383:59
268.47:374:00
278.47:364:02
288.57:344:04
298.57:334:06
308.67:324:07
318.77:304:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.71 kWh/m².

For context, solar energy here swings from a low near 0.51 kWh/m² to a high of 5.47 kWh/m² in June across the year — January's 0.71 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.6Dim
30.6Dim
40.6Dim
50.6Dim
60.6Dim
70.6Dim
80.6Dim
90.6Dim
100.6Dim
110.6Dim
120.6Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.9Dim
270.9Dim
280.9Dim
290.9Dim
301.0Dim
311.0Dim
Planning a trip in January

Is January a good time to visit Legionowo?

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 Legionowo.

What to pack for Legionowo in January

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

In January, Legionowo sees daytime highs around 1°C and nights near -4°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 Legionowo 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 Legionowo peaks around June 20 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Legionowo 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 Legionowo is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Legionowo's WHO annual average of 21.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2225 µg/m³Dec 1715 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr24Moderate
May23Moderate
Jun25Moderate
Jul24Moderate
Aug22Moderate
Sep21Moderate
Oct18Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Legionowo?

Legionowo sits at 52.4°N, 20.9°E, 77 m above sea level, in Poland. The nearest listed city is Łomianki, 8.0 km away.

Topography around Legionowo

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

Within 3 km, the terrain around Legionowo has only modest variations in elevation — a maximum elevation change of 26 m around an average of 84 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 82 m; within 80 km, only modest variations in elevation — a maximum elevation change of 176 m.

The land around Legionowo is covered by trees (62%) and artificial surfaces (28%) within 3 km, trees (57%) and grassland (21%) within 16 km, and trees (39%), cropland (34%) and grassland (23%) within 80 km.

3 km
26 m
16 km
82 m
80 km
176 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Łomianki 8.0 km · Białołeka 9.0 km · Bielany 12 km · Nowy Dwór Mazowiecki 15 km · Targówek 15 km · Marki 15 km · Żoliborz 15 km · Bemowo 16 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 Legionowo (52.4015°, 20.9266°, elevation 77 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).