Sosnowiec weather in December

In December, Sosnowiec sees average daytime highs of 3°C and overnight lows near -2°C, with 45 mm of precipitation across 10.7 wet days and about 7.9 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 4°C in the first days to 2°C by the end. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 06 min at the start of December to 7 h 54 min by month's end. Set against the rest of the year, December is Sosnowiec's 12th-clearest and 2nd-windiest month. For the whole year in context, see Sosnowiec's year-round climate.

Daytime high
11th warmest
Overnight low
-2°
3rd coldest
Precipitation
45 mm
10.7 wet days
Daylight
7 h 48 min
7:45 AM – 3:35 PM
Cloud cover
75%
12th clearest
Wind
15 km/h
2nd windiest
Solar energy
0.73 kWh/m²
Travel score
0.0
out of 10

Sosnowiec is city in the Dąbrowa Basin (the Lesser Poland part of the Silesian Voivodeship), Poland.

Air quality
Good
PM10 29.4 µg/m³ · 2019
Density
2,496/km²
people per km²
Founded
1902

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 4°C in the first days to 2°C by the end.

A typical December day in Sosnowiec reaches about 3°C in the afternoon and slips back to -2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 8°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
14-1
24-1
34-1
44-1
54-1
63-1
73-1
83-1
93-1
103-2
113-2
123-2
133-2
143-2
152-2
162-2
172-2
182-2
192-2
202-2
212-3
222-3
232-3
242-3
252-3
262-3
272-3
282-3
292-3
302-3
311-3

How December really feels in Sosnowiec

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

Sosnowiec weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4611.47.18.30.0
Feb / -3°4310.36.29.70.0
Mar / 5211.83.811.51.2
Apr14° / 5010.11.313.54.1
May19° / 8014015.25.5
Jun22° / 12°8213.2016.16.1
Jul24° / 14°9814015.76.3
Aug24° / 14°7111.3014.36.7
Sep19° / 10°7111.1012.45.9
Oct14° / 54100.410.53.8
Nov / 5010.12.78.81.1
Dec / -2°4510.75.27.90.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22575
32575
42575
52575
62575
72575
82575
92575
102575
112575
122476
132575
142575
152476
162476
172575
182575
192575
202575
212674
222674
232674
242674
252674
262674
272575
282674
292674
302575
312575

Chance of precipitation in December

Any precipitationSnow

Sosnowiec gets around 45 mm of rain and snow over 10.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 41% on the wettest days, and about 5 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13014
23014
33114
43114
53114
63214
73215
83215
93215
103215
113215
123215
133215
143316
153316
163316
173416
183417
193517
203517
213618
223618
233718
243719
253819
263920
273920
284020
294021
304121
314121

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 15 km/h in December.

Across December, 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
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 December

DaylightNight

Daylight runs from about 8 h 06 min at the start of December to 7 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:29 AM to 7:51 AM, and sunset from 3:37 PM to 3:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.17:293:37
28.17:313:37
38.17:323:36
48.07:333:36
58.07:343:36
68.07:353:35
78.07:363:35
88.07:383:35
97.97:393:35
107.97:403:34
117.97:413:34
127.97:413:34
137.97:423:34
147.97:433:34
157.87:443:35
167.87:453:35
177.87:453:35
187.87:463:35
197.87:473:35
207.87:473:36
217.87:483:36
227.87:483:37
237.87:493:37
247.87:493:38
257.87:503:38
267.87:503:39
277.87:503:40
287.87:503:40
297.87:513:41
307.97:513:42
317.97:513:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.73 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.32 kWh/m² in June across the year — December's 0.73 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.7Dim
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.7Dim
280.7Dim
290.7Dim
300.7Dim
310.7Dim
Planning a trip in December

Is December a good time to visit Sosnowiec?

Our two travel scores rate December 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

December is a weaker month for outdoor sightseeing in Sosnowiec.

What to pack for Sosnowiec in December

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

In December, Sosnowiec sees daytime highs around 3°C and nights near -2°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 Sosnowiec in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sosnowiec peaks around June 21 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 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 21UV 7Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Sosnowiec in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sosnowiec is worst in June — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1625 µg/m³Dec 1618 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar24Moderate
Apr23Moderate
May24Moderate
Jun25Moderate
Jul24Moderate
Aug24Moderate
Sep23Moderate
Oct20Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Sosnowiec?

Sosnowiec sits at 50.3°N, 19.1°E, 256 m above sea level, in Poland. The nearest listed city is Czeladź, 4.0 km away.

Topography around Sosnowiec

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

Within 3 km, the terrain around Sosnowiec has only modest variations in elevation — a maximum elevation change of 65 m around an average of 264 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 174 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.

The land around Sosnowiec is covered by trees (44%) and artificial surfaces (41%) within 3 km, trees (52%) and artificial surfaces (23%) within 16 km, and trees (49%) and cropland (29%) within 80 km.

3 km
65 m
16 km
174 m
80 km
1,190 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Czeladź 4.0 km · Będzin 5.0 km · Katowice 7.0 km · Siemianowice Śląskie 7.0 km · Dąbrowa Górnicza 9.0 km · Chorzów 9.0 km · Mysłowice 10 km · Świętochłowice 13 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 Sosnowiec (50.2868°, 19.1039°, elevation 256 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).