Kalundborg weather in December

In December, Kalundborg sees average daytime highs of 5°C and overnight lows near 3°C, with 63 mm of precipitation across 12.7 wet days and about 6.9 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 6°C in the first days to 4°C by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 12 min at the start of December to 6 h 48 min by month's end. Set against the rest of the year, December is Kalundborg's 11th-clearest and 2nd-windiest month. For the whole year in context, see Kalundborg's year-round climate.

Daytime high
9th warmest
Overnight low
4th coldest
Precipitation
63 mm
12.7 wet days
Daylight
6 h 48 min
8:48 AM – 3:35 PM
Cloud cover
77%
11th clearest
Wind
28 km/h
2nd windiest
Solar energy
0.38 kWh/m²
Travel score
0.1
out of 10

Kalundborg is town in Denmark.

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 6°C in the first days to 4°C by the end.

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

-5°10°151015202531
Avg high (°C)Avg low (°C)
164
264
364
464
564
664
764
864
954
1054
1153
1253
1353
1453
1553
1653
1753
1853
1953
2053
2153
2242
2342
2442
2542
2642
2742
2842
2942
3042
3142

How December really feels in Kalundborg

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.

Kalundborg weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 5712.23.47.40.0
Feb / 449.93.59.20.0
Mar / 439.42.111.40.1
Apr / 368.50.313.81.5
May13° / 10°5110015.93.6
Jun16° / 13°6410.5017.15.1
Jul19° / 16°6310.7016.76.0
Aug19° / 16°7111.6014.85.9
Sep16° / 14°6711.6012.54.7
Oct12° / 10°7513010.12.8
Nov / 6513.40.681.1
Dec / 6312.72.46.90.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52377
62377
72377
82377
92377
102476
112575
122575
132575
142575
152575
162575
172575
182476
192476
202476
212476
222476
232476
242476
252476
262575
272575
282575
292575
302575
312575

Chance of precipitation in December

Any precipitationSnow

Kalundborg gets around 63 mm of rain and snow over 12.7 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 41% and peaks near 42% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1425
2425
3425
4425
5426
6426
7426
8426
9426
10426
11416
12416
13406
14406
15396
16397
17397
18397
19408
20408
21409
22409
23409
244010
254010
264110
274110
284111
294211
304211
314211

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 28 km/h in December.

Across December, daily wind ranges from about 28 km/h on the calmest days to 29 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
128breezy
228breezy
328breezy
428breezy
528breezy
628breezy
728breezy
828breezy
928breezy
1028breezy
1128breezy
1228breezy
1328breezy
1428breezy
1528breezy
1628breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2729breezy
2829breezy
2929breezy
3029breezy
3129breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 12 min at the start of December to 6 h 48 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 8:30 AM to 8:54 AM, and sunset from 3:41 PM to 3:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.28:303:41
27.18:313:40
37.18:333:39
47.18:343:39
57.08:363:38
67.08:373:37
77.08:393:37
86.98:403:37
96.98:413:36
106.98:423:36
116.98:443:36
126.88:453:35
136.88:463:35
146.88:473:35
156.88:483:35
166.88:483:35
176.88:493:35
186.88:503:36
196.88:513:36
206.78:513:36
216.78:523:36
226.78:523:37
236.78:533:37
246.78:533:38
256.88:533:39
266.88:543:39
276.88:543:40
286.88:543:41
296.88:543:42
306.88:543:43
316.88:543:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.38 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.38 kWh/m² to a high of 6 kWh/m² in June across the year — December's 0.38 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.4Dim
30.4Dim
40.4Dim
50.4Dim
60.4Dim
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
300.4Dim
310.4Dim
Planning a trip in December

Is December a good time to visit Kalundborg?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.1
Sightseeing
9th-best month of the year
0.0
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Kalundborg.

What to pack for Kalundborg in December

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

In December, Kalundborg sees daytime highs around 5°C and nights near 3°C. Pack a warm layer and a windbreaker. Worth having: a heavy coat and rain gear. About 13 days see rain.

a warm layera windbreakera heavy coatrain gear

Sea temperature near Kalundborg in December

The nearest coast averages about 5°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near 2°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
Jan3Bracing
Feb2Bracing
Mar3Bracing
Apr6Bracing
May11Bracing
Jun15Bracing
Jul18Cool
Aug18Cool
Sep16Cool
Oct12Bracing
Nov8Bracing
Dec5Bracing

UV index in Kalundborg 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 Kalundborg peaks around June 22 at about 6 (high) — a little sun protection helps at midday. 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 22UV 6Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kalundborg?

Kalundborg sits at 55.7°N, 11.1°E, 3 m above sea level, in Denmark. The nearest listed city is Slagelse, 35 km away.

SlagelseHolbækNyborgRingstedOdenseRoskildeKlinteby FrihedFrederikssund

Topography around Kalundborg

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

Within 3 km, the terrain around Kalundborg has only modest variations in elevation — a maximum elevation change of 62 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.

The land around Kalundborg is covered by cropland (22%), water (22%) and grassland (20%) within 3 km, water (61%) and cropland (20%) within 16 km, and water (53%) and cropland (25%) within 80 km.

3 km
62 m
16 km
83 m
80 km
149 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Slagelse 35 km · Holbæk 39 km · Nyborg 45 km · Ringsted 51 km · Odense 54 km · Roskilde 62 km · Klinteby Frihed 62 km · Frederikssund 64 km

Denmark travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / K
230 V · 50 Hz
Prices
≈ 92% of US
price level, 2025
GDP per capita
$76,970
2025
Happiness
7.5 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
3.7
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 611
Religion
Evangelical Lutheran 71%other/none/unspecified 24%Muslim 4%

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 Kalundborg (55.6795°, 11.0886°, elevation 3 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).