Bieruń weather in December

In December, Bieruń sees average daytime highs of 3°C and overnight lows near -2°C, with 51 mm of precipitation across 11.3 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 16% of the time in December, and the air most often feels dry.

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

Daytime high
11th warmest
Overnight low
-2°
3rd coldest
Precipitation
51 mm
11.3 wet days
Daylight
7 h 54 min
7:44 AM – 3:36 PM
Cloud cover
74%
12th clearest
Wind
14 km/h
2nd windiest
Solar energy
0.75 kWh/m²
Travel score
0.0
out of 10

Bieruń is city and urban gmina of Poland.

Density
486/km²
people per km²
Founded
1290

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 Bieruń 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)
140
24-1
34-1
44-1
54-1
64-1
73-1
83-1
93-1
103-1
113-2
123-2
133-2
143-2
153-2
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
312-3

How December really feels in Bieruń

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.

Bieruń 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°5312.38.28.30.0
Feb / -3°5011.47.19.70.0
Mar / 5812.44.311.51.2
Apr14° / 5710.61.513.54.0
May19° / 9314.2015.25.5
Jun22° / 12°9413.4016.16.0
Jul24° / 14°10914.3015.76.3
Aug24° / 14°8011.4014.36.7
Sep19° / 10°8011.3012.45.8
Oct14° / 6110.40.410.53.8
Nov / 561138.81.1
Dec / -2°5111.36.27.90.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52575
62575
72575
82575
92575
102575
112575
122575
132674
142575
152575
162575
172575
182674
192674
202773
212773
222773
232773
242872
252872
262773
272773
282773
292773
302773
312674

Chance of precipitation in December

Any precipitationSnow

Bieruń gets around 51 mm of rain and snow over 11.3 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 37% and peaks near 42% on the wettest days, and about 6 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13316
23316
33316
43416
53417
63417
73517
83517
93518
103518
113518
123519
133619
143619
153619
163720
173720
183720
193821
203821
213821
223822
233922
243922
254023
264023
274124
284124
294224
304225
314225

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 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light 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
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 12 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 18 minutes over December. Sunrise moves from 7:28 AM to 7:50 AM, and sunset from 3:38 PM to 3:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.27:283:38
28.17:303:38
38.17:313:37
48.17:323:37
58.17:333:37
68.07:343:36
78.07:363:36
88.07:373:36
98.07:383:36
107.97:393:35
117.97:403:35
127.97:413:35
137.97:413:35
147.97:423:35
157.97:433:36
167.97:443:36
177.97:453:36
187.87:453:36
197.87:463:37
207.87:463:37
217.87:473:37
227.87:473:38
237.87:483:38
247.87:483:39
257.87:493:39
267.87:493:40
277.97:493:41
287.97:493:41
297.97:503:42
307.97:503:43
317.97:503:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.75 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 5.28 kWh/m² in June across the year — December's 0.75 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
100.8Dim
110.8Dim
120.8Dim
130.8Dim
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
280.8Dim
290.8Dim
300.8Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Bieruń?

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 Bieruń.

What to pack for Bieruń in December

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

In December, Bieruń 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 Bieruń 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 Bieruń peaks around June 22 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. 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 22UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Bieruń 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 Bieruń 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 Bieruń?

Bieruń sits at 50.1°N, 19.1°E, 239 m above sea level, in Poland. The nearest listed city is Lędziny, 6.0 km away.

Topography around Bieruń

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

Within 3 km, the terrain around Bieruń has only modest variations in elevation — a maximum elevation change of 46 m around an average of 245 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,550 m.

The land around Bieruń is covered by trees (39%), cropland (22%) and grassland (21%) within 3 km, trees (51%) and grassland (20%) within 16 km, and trees (54%) and cropland (25%) within 80 km.

3 km
46 m
16 km
145 m
80 km
1,550 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Lędziny 6.0 km · Auschwitz 10 km · Tychy 10 km · Mysłowice 14 km · Pszczyna 16 km · Libiąż 16 km · Mikołów 16 km · Jaworzno 18 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 Bieruń (50.09°, 19.0929°, elevation 239 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).