Karlshamn weather in December

In December, Karlshamn sees average daytime highs of 3°C and overnight lows near 0°C, with 60 mm of precipitation across 12.2 wet days and about 6.7 hours of daylight. It is the 10th-warmest and 6th-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 9% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 06 min at the start of December to 6 h 42 min by month's end. Set against the rest of the year, December is Karlshamn's 12th-clearest and 2nd-windiest month. For the whole year in context, see Karlshamn's year-round climate.

Daytime high
10th warmest
Overnight low
4th coldest
Precipitation
60 mm
12.2 wet days
Daylight
6 h 42 min
8:37 AM – 3:17 PM
Cloud cover
82%
12th clearest
Wind
18 km/h
2nd windiest
Solar energy
0.32 kWh/m²
Travel score
0.0
out of 10

Karlshamn is urban area in Karlshamn Municipality, Sweden.

Air quality
Good
PM10 18 µg/m³ · 2019
Founded
1664

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 Karlshamn reaches about 3°C in the afternoon and slips back to 0°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 7°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
152
252
341
441
541
641
741
841
941
1041
1141
1241
1340
1430
1530
1630
1730
1830
1930
2030
2130
223-1
233-1
243-1
253-1
263-1
272-1
282-1
292-1
302-1
312-1

How December really feels in Karlshamn

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.

Karlshamn weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°5411.35.47.30.0
Feb / -2°459.75.79.10.0
Mar / -0°399.13.411.40.2
Apr / 378.50.813.82.0
May14° / 509.90164.1
Jun18° / 11°6711.4017.25.4
Jul20° / 13°7611.8016.86.0
Aug20° / 13°6912.1014.95.9
Sep16° / 10°5910.2012.54.8
Oct11° / 6511.30.310.12.5
Nov / 6112.51.47.90.6
Dec / 6012.24.16.70.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31486
41387
51387
61387
71486
81486
91486
101585
111585
121585
131585
141783
151783
161882
171882
181882
191882
201981
211981
221981
231981
241981
252080
262080
272080
282080
292179
302179
312179

Chance of precipitation in December

Any precipitationSnow

Karlshamn gets around 60 mm of rain and snow over 12.2 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 39% and peaks near 41% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13910
23910
33910
44010
54011
64011
74111
84111
94111
104111
114011
124012
134012
143912
153912
163813
173813
183813
193814
203814
213815
223815
233815
243815
253815
263815
273816
283916
293916
303916
314016

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 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 06 min at the start of December to 6 h 42 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 8:18 AM to 8:42 AM, and sunset from 3:23 PM to 3:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.18:183:23
27.08:203:22
37.08:213:21
47.08:233:20
56.98:243:20
66.98:253:19
76.98:273:19
86.88:283:18
96.88:293:18
106.88:313:17
116.88:323:17
126.78:333:17
136.78:343:17
146.78:353:17
156.78:363:17
166.78:373:17
176.78:383:17
186.68:383:17
196.68:393:17
206.68:403:17
216.68:403:18
226.68:413:18
236.68:413:19
246.68:423:19
256.68:423:20
266.68:423:21
276.78:423:21
286.78:423:22
296.78:423:23
306.78:423:24
316.78:423:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.32 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.32 kWh/m² to a high of 5.71 kWh/m² in June across the year — December's 0.32 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.4Dim
20.4Dim
30.3Dim
40.3Dim
50.3Dim
60.3Dim
70.3Dim
80.3Dim
90.3Dim
100.3Dim
110.3Dim
120.3Dim
130.3Dim
140.3Dim
150.3Dim
160.3Dim
170.3Dim
180.3Dim
190.3Dim
200.3Dim
210.3Dim
220.3Dim
230.3Dim
240.3Dim
250.3Dim
260.3Dim
270.3Dim
280.3Dim
290.3Dim
300.3Dim
310.3Dim
Planning a trip in December

Is December a good time to visit Karlshamn?

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
7th-best month of the year

December is a weaker month for outdoor sightseeing in Karlshamn.

What to pack for Karlshamn in December

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

In December, Karlshamn sees daytime highs around 3°C and nights near 0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Karlshamn 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 offshore is warmest in August at about 18°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
Jun13Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov8Bracing
Dec6Bracing

UV index in Karlshamn 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 Karlshamn peaks around June 20 at about 5 (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 20UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5High
Aug4Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Karlshamn?

Karlshamn sits at 56.2°N, 14.9°E, 14 m above sea level, in Sweden. The nearest listed city is Karlskrona, 45 km away.

LjungbyEslövYstadKalmar

Topography around Karlshamn

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

Within 3 km, the terrain around Karlshamn has only modest variations in elevation — a maximum elevation change of 83 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, significant variations in elevation — a maximum elevation change of 281 m.

The land around Karlshamn is covered by trees (53%) within 3 km, trees (45%) and water (40%) within 16 km, and trees (53%) and water (35%) within 80 km.

3 km
83 m
16 km
153 m
80 km
281 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Karlskrona 45 km · Kristianstad 47 km · Hässleholm 68 km · Växjö 79 km · Ljungby 93 km · Eslöv 104 km · Ystad 105 km · Kalmar 107 km

Sweden travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 87% of US
price level, 2025
GDP per capita
$63,133
2025
Happiness
7.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
3.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 609
Religion
Church of Sweden 54%none or unspecified 37%other 9%

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 Karlshamn (56.1706°, 14.8619°, elevation 14 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).