Kartuzy weather in December

In December, Kartuzy sees average daytime highs of 2°C and overnight lows near -2°C, with 44 mm of precipitation across 10.3 wet days and about 7.2 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 3°C in the first days to 1°C by the end. The sky is clear or mostly clear about 8% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 30 min at the start of December to 7 h 06 min by month's end. Set against the rest of the year, December is Kartuzy's 12th-clearest and 2nd-windiest month. For the whole year in context, see Kartuzy's year-round climate.

Daytime high
10th warmest
Overnight low
-2°
3rd coldest
Precipitation
44 mm
10.3 wet days
Daylight
7 h 06 min
8:11 AM – 3:16 PM
Cloud cover
82%
12th clearest
Wind
17 km/h
2nd windiest
Solar energy
0.44 kWh/m²
Travel score
0.0
out of 10

Kartuzy is city in Pomeranian Voivodeship, Poland.

Density
2,408/km²
people per km²
Founded
1391

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 3°C in the first days to 1°C by the end.

A typical December day in Kartuzy reaches about 2°C in the afternoon and slips back to -2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -4°C and 7°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
130
23-1
33-1
43-1
53-1
63-1
73-1
83-1
92-1
102-1
112-1
122-1
132-2
142-2
152-2
162-2
172-2
182-2
192-2
202-2
211-2
221-3
231-3
241-3
251-3
261-3
271-3
281-3
291-3
301-3
311-3

How December really feels in Kartuzy

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.

Kartuzy weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°4210.46.17.70.0
Feb / -3°3595.99.30.0
Mar / -1°4310.74.511.50.4
Apr11° / 4310.11.413.72.9
May16° / 6912.1015.75.0
Jun19° / 10°7913.2016.85.6
Jul21° / 13°9914.1016.45.9
Aug21° / 13°8013.2014.76.0
Sep17° / 5710.6012.55.2
Oct11° / 4910.80.310.22.8
Nov / 389.32.28.20.4
Dec / -2°4410.34.87.20.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21585
31585
41585
51585
61585
71585
81486
91486
101486
111585
121486
131486
141486
151585
161585
171585
181585
191585
201783
211783
221783
231783
241783
251882
261882
271882
281882
291882
301981
311981

Chance of precipitation in December

Any precipitationSnow

Kartuzy gets around 44 mm of rain and snow over 10.3 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 34% and peaks near 35% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13011
23011
33111
43112
53212
63313
73313
83313
93414
103414
113415
123415
133516
143516
153517
163517
173517
183518
193518
203518
213518
223418
233418
243418
253418
263418
273418
283518
293518
303518
313518

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 17 km/h in December.

Across December, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 30 min at the start of December to 7 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over December. Sunrise moves from 7:53 AM to 8:17 AM, and sunset from 3:21 PM to 3:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.57:533:21
27.47:553:20
37.47:563:19
47.37:583:19
57.37:593:18
67.38:003:17
77.38:023:17
87.28:033:17
97.28:043:16
107.28:053:16
117.28:063:16
127.18:073:16
137.18:083:16
147.18:093:16
157.18:103:16
167.18:113:16
177.18:123:16
187.18:133:16
197.18:133:16
207.08:143:17
217.08:143:17
227.08:153:18
237.08:153:18
247.08:163:19
257.18:163:19
267.18:163:20
277.18:163:21
287.18:173:21
297.18:173:22
307.18:173:23
317.18:173:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.44 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.44 kWh/m² to a high of 5.5 kWh/m² in June across the year — December's 0.44 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
100.5Dim
110.4Dim
120.4Dim
130.4Dim
140.4Dim
150.4Dim
160.4Dim
170.4Dim
180.4Dim
190.4Dim
200.4Dim
210.4Dim
220.4Dim
230.4Dim
240.4Dim
250.4Dim
260.5Dim
270.5Dim
280.5Dim
290.5Dim
300.5Dim
310.5Dim
Planning a trip in December

Is December a good time to visit Kartuzy?

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 Kartuzy.

What to pack for Kartuzy in December

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

In December, Kartuzy sees daytime highs around 2°C and nights near -2°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Kartuzy in December

The nearest coast averages about 6°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 43 km away) is warmest in August at about 19°C and coldest in February near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul17Cool
Aug19Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Kartuzy in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kartuzy peaks around June 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 18UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kartuzy?

Kartuzy sits at 54.3°N, 18.2°E, 210 m above sea level, in Poland. The nearest listed city is Osowa, 21 km away.

Topography around Kartuzy

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

Within 3 km, the terrain around Kartuzy has only modest variations in elevation — a maximum elevation change of 114 m around an average of 222 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 235 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.

The land around Kartuzy is covered by trees (72%) within 3 km, trees (43%), grassland (26%) and cropland (24%) within 16 km, and trees (35%), water (27%) and cropland (25%) within 80 km.

3 km
114 m
16 km
235 m
80 km
339 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Osowa 21 km · Piecki-Migowo 25 km · Wrzeszcz Górny 26 km · Ujeścisko-Łostowice 26 km · Sopot 26 km · Wrzeszcz 27 km · Orunia Górna-Gdańsk Południe 27 km · Chełm 27 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 Kartuzy (54.3342°, 18.1974°, elevation 210 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).