Gliwice weather in December

In December, Gliwice sees average daytime highs of 3°C and overnight lows near -2°C, with 45 mm of precipitation across 10.8 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 Gliwice's 12th-clearest and 2nd-windiest month. For the whole year in context, see Gliwice's year-round climate.

Daytime high
11th warmest
Overnight low
-2°
3rd coldest
Precipitation
45 mm
10.8 wet days
Daylight
7 h 48 min
7:47 AM – 3:36 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

Gliwice is city with powiat rights of Poland in Upper Silesia.

Air quality
High
PM2.5 26.4 µg/m³ · 2019
Density
1,485/km²
people per km²
Founded
1250

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 Gliwice 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
113-1
123-2
133-2
143-2
153-2
162-2
172-2
182-2
192-2
202-2
212-2
222-2
232-3
242-3
252-3
262-3
272-3
282-3
292-3
302-3
312-3

How December really feels in Gliwice

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.

Gliwice 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°4611.16.78.30.0
Feb / -3°4210.169.70.0
Mar / 52123.711.51.3
Apr14° / 5010.41.113.54.2
May19° / 7813.9015.25.5
Jun22° / 12°8413.4016.16.0
Jul24° / 14°10214015.76.3
Aug24° / 14°7411.6014.36.6
Sep19° / 10°7311012.45.9
Oct14° / 5510.20.410.53.8
Nov / 5010.22.68.81.1
Dec / -2°4510.84.87.90.0

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
42476
52476
62476
72476
82575
92575
102575
112575
122476
132476
142476
152476
162476
172575
182575
192575
202575
212575
222674
232674
242674
252674
262674
272674
282674
292674
302674
312575

Chance of precipitation in December

Any precipitationSnow

Gliwice gets around 45 mm of rain and snow over 10.8 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 40% 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 (%)
13113
23113
33113
43113
53213
63213
73213
83213
93314
103314
113314
123314
133314
143314
153315
163415
173415
183515
193516
203516
213617
223617
233717
243718
253818
263919
273919
284020
294020
304021
314021

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 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light 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
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 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 7:31 AM to 7:52 AM, and sunset from 3:39 PM to 3:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.17:313:39
28.17:323:39
38.17:343:38
48.07:353:38
58.07:363:37
68.07:373:37
78.07:383:37
88.07:393:36
97.97:403:36
107.97:413:36
117.97:423:36
127.97:433:36
137.97:443:36
147.97:453:36
157.87:463:36
167.87:473:36
177.87:473:37
187.87:483:37
197.87:493:37
207.87:493:37
217.87:503:38
227.87:503:38
237.87:513:39
247.87:513:39
257.87:513:40
267.87:523:41
277.87:523:41
287.87:523:42
297.87:523:43
307.97:523:44
317.97:523:44

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 5.33 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
100.8Dim
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
310.8Dim
Planning a trip in December

Is December a good time to visit Gliwice?

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 Gliwice.

What to pack for Gliwice in December

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

In December, Gliwice 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 Gliwice 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 Gliwice peaks around June 20 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 20UV 7Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Gliwice 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 Gliwice is worst in June — around 30 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Gliwice's WHO annual average of 26.4 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1629 µg/m³Dec 1622 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb24Moderate
Mar29Moderate
Apr28Moderate
May28Moderate
Jun30Moderate
Jul28Moderate
Aug29Moderate
Sep27Moderate
Oct24Moderate
Nov24Moderate
Dec21Moderate
Location & terrain

Where is Gliwice?

Gliwice sits at 50.3°N, 18.7°E, 200 m above sea level, in Poland. The nearest listed city is Zabrze, 8.0 km away.

Topography around Gliwice

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

Within 3 km, the terrain around Gliwice has only modest variations in elevation — a maximum elevation change of 64 m around an average of 235 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 151 m; within 80 km, large variations in elevation — a maximum elevation change of 1,123 m.

The land around Gliwice is covered by trees (45%) and artificial surfaces (41%) within 3 km, trees (44%) and cropland (29%) within 16 km, and trees (47%) and cropland (33%) within 80 km.

3 km
64 m
16 km
151 m
80 km
1,123 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Zabrze 8.0 km · Knurów 9.0 km · Pyskowice 12 km · Ruda Śląska 13 km · Czerwionka-Leszczyny 16 km · Świętochłowice 17 km · Orzesze 17 km · Bytom 19 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 Gliwice (50.2976°, 18.6766°, elevation 200 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).