Kętrzyn weather in December

In December, Kętrzyn sees average daytime highs of 1°C and overnight lows near -2°C, with 45 mm of precipitation across 10.6 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 2°C in the first days to 0°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 12 min by month's end. Set against the rest of the year, December is Kętrzyn's 12th-clearest and 2nd-windiest month. For the whole year in context, see Kętrzyn's year-round climate.

Daytime high
10th warmest
Overnight low
-2°
3rd coldest
Precipitation
45 mm
10.6 wet days
Daylight
7 h 06 min
7:57 AM – 3:05 PM
Cloud cover
83%
12th clearest
Wind
15 km/h
2nd windiest
Solar energy
0.42 kWh/m²
Travel score
0.0
out of 10

Kętrzyn is city and urban gmina in the Warmian-Masurian Voivodeship in north-eastern Poland.

Density
2,655/km²
people per km²
Founded
1329

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 2°C in the first days to 0°C by the end.

A typical December day in Kętrzyn reaches about 1°C in the afternoon and slips back to -2°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -5°C and 6°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)
12-1
22-1
32-1
42-1
52-1
62-1
72-1
82-1
92-2
102-2
112-2
121-2
131-2
141-2
151-2
161-2
171-2
181-3
191-3
201-3
211-3
221-3
231-3
241-3
251-3
260-3
270-3
280-3
290-4
300-4
310-4

How December really feels in Kętrzyn

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.

Kętrzyn 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-0° / -4°4411.27.17.70.0
Feb / -4°399.86.19.40.0
Mar / -1°4310.54.211.50.3
Apr12° / 429.51.313.73.2
May18° / 5911.60.115.75.4
Jun20° / 12°7212.1016.85.9
Jul23° / 14°8412.9016.36.3
Aug22° / 14°7311.8014.66.4
Sep17° / 10°579.7012.55.4
Oct11° / 5410.60.310.22.6
Nov / 4510.22.68.30.3
Dec / -2°4510.65.77.20.0

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 7% of December, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51387
61387
71387
81387
91387
101387
111486
121486
131486
141486
151585
161585
171585
181585
191585
201585
211684
221684
231684
241684
251783
261783
271783
281783
291783
301783
311882

Chance of precipitation in December

Any precipitationSnow

Kętrzyn gets around 45 mm of rain and snow over 10.6 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 37% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13114
23214
33215
43215
53316
63417
73417
83418
93518
103519
113519
123520
133620
143621
153621
163621
173621
183621
193621
203620
213520
223520
233520
243520
253520
263620
273621
283721
293721
303721
313720

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 15 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
115light breeze
215light 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
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 30 min at the start of December to 7 h 12 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 7:39 AM to 8:02 AM, and sunset from 3:09 PM to 3:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.57:393:09
27.57:413:09
37.47:423:08
47.47:443:07
57.47:453:07
67.37:463:06
77.37:473:06
87.37:493:06
97.37:503:05
107.27:513:05
117.27:523:05
127.27:533:05
137.27:543:05
147.27:553:05
157.17:563:05
167.17:573:05
177.17:573:05
187.17:583:05
197.17:593:05
207.17:593:06
217.18:003:06
227.18:013:06
237.18:013:07
247.18:013:07
257.18:023:08
267.18:023:09
277.18:023:09
287.18:023:10
297.18:023:11
307.28:023:12
317.28:023:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.42 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.42 kWh/m² to a high of 5.33 kWh/m² in June across the year — December's 0.42 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
70.4Dim
80.4Dim
90.4Dim
100.4Dim
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
260.4Dim
270.4Dim
280.4Dim
290.4Dim
300.5Dim
310.5Dim
Planning a trip in December

Is December a good time to visit Kętrzyn?

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 Kętrzyn.

What to pack for Kętrzyn in December

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

In December, Kętrzyn sees daytime highs around 1°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 Kętrzyn 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 Kętrzyn peaks around June 21 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 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 21UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kętrzyn?

Kętrzyn sits at 54.1°N, 21.4°E, 103 m above sea level, in Poland. The nearest listed city is Gierłoż, 8.0 km away.

BartoszyceLidzbark WarmińskiPiszSzczytnoOlsztyn

Topography around Kętrzyn

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

Within 3 km, the terrain around Kętrzyn has only modest variations in elevation — a maximum elevation change of 74 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 198 m; within 80 km, significant variations in elevation — a maximum elevation change of 317 m.

The land around Kętrzyn is covered by cropland (47%) and grassland (22%) within 3 km, cropland (48%), trees (25%) and grassland (22%) within 16 km, and trees (39%), grassland (32%) and cropland (23%) within 80 km.

3 km
74 m
16 km
198 m
80 km
317 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Gierłoż 8.0 km · Mrągowo 24 km · Giżycko 26 km · Bartoszyce 42 km · Lidzbark Warmiński 52 km · Pisz 58 km · Szczytno 63 km · Olsztyn 66 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 Kętrzyn (54.0768°, 21.3753°, elevation 103 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).