Karlskrona weather in January

In January, Karlskrona sees average daytime highs of 2°C and overnight lows near -1°C, with 47 mm of precipitation across 10.6 wet days and about 7.3 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 2°C through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 6 h 42 min at the start of January to 8 h 06 min by month's end. Set against the rest of the year, January is Karlskrona's 10th-clearest and 1st-windiest month. For the whole year in context, see Karlskrona's year-round climate.

Daytime high
11th warmest
Overnight low
-1°
2nd coldest
Precipitation
47 mm
10.6 wet days
Daylight
7 h 18 min
8:29 AM – 3:45 PM
Cloud cover
78%
10th clearest
Wind
20 km/h
1st windiest
Solar energy
0.49 kWh/m²
Travel score
0.0
out of 10

Karlskrona is urban area in Karlskrona Municipality, Sweden.

Air quality
Good
PM10 17.1 µg/m³ · 2019
Founded
1680

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 2°C through the month.

A typical January day in Karlskrona reaches about 2°C in the afternoon and slips back to -1°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 6°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
13-1
23-1
33-1
43-1
53-1
63-1
73-1
83-1
93-1
103-1
112-1
122-1
132-1
142-1
152-1
162-1
172-1
182-1
192-1
202-1
212-1
222-1
232-1
242-1
252-2
262-2
272-2
282-2
292-2
302-2
312-2

How January really feels in Karlskrona

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Karlskrona weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°4710.65.57.30.0
Feb / -2°409.25.89.10.0
Mar / -0°348.73.511.40.2
Apr / 327.50.913.81.9
May14° / 4490164.1
Jun17° / 11°559.7017.25.6
Jul20° / 14°6710.3016.86.3
Aug20° / 14°6411.6014.96.1
Sep16° / 11°539.6012.54.9
Oct11° / 5810.80.210.12.6
Nov / 56121.37.90.6
Dec / 5311.43.76.70.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52278
62278
72278
82278
92080
102080
112080
122080
131981
142080
152080
162080
172080
182080
192179
202080
212179
222278
232278
242278
252377
262476
272476
282476
292476
302575
312575

Chance of precipitation in January

Any precipitationSnow

Karlskrona gets around 47 mm of rain and snow over 10.6 wet days in January. 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 39% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13916
23916
33916
43916
53816
63816
73716
83716
93616
103616
113516
123516
133416
143316
153216
163216
173117
183117
193017
203017
213018
223118
233119
243219
253220
263220
273320
283320
293320
303321
313421

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 January

Winds average 20 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 6 h 42 min at the start of January to 8 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over January. Sunrise moves from 8:39 AM to 8:08 AM, and sunset from 3:23 PM to 4:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.78:393:23
26.88:393:24
36.88:383:25
46.88:383:26
56.88:383:28
66.98:373:29
76.98:373:30
86.98:363:32
97.08:353:33
107.08:353:35
117.08:343:36
127.18:333:38
137.18:323:40
147.28:313:41
157.28:303:43
167.38:293:45
177.38:283:46
187.48:273:48
197.48:263:50
207.58:253:52
217.58:233:54
227.68:223:56
237.68:203:58
247.78:194:00
257.78:184:02
267.88:164:04
277.98:144:06
287.98:134:08
298.08:114:10
308.08:094:12
318.18:084:14

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.49 kWh/m².

For context, solar energy here swings from a low near 0.33 kWh/m² to a high of 5.86 kWh/m² in June across the year — January's 0.49 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.3Dim
20.3Dim
30.4Dim
40.4Dim
50.4Dim
60.4Dim
70.4Dim
80.4Dim
90.4Dim
100.4Dim
110.4Dim
120.4Dim
130.4Dim
140.5Dim
150.5Dim
160.5Dim
170.5Dim
180.5Dim
190.5Dim
200.5Dim
210.6Dim
220.6Dim
230.6Dim
240.6Dim
250.6Dim
260.7Dim
270.7Dim
280.7Dim
290.7Dim
300.7Dim
310.8Dim
Planning a trip in January

Is January a good time to visit Karlskrona?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Karlskrona.

What to pack for Karlskrona in January

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

In January, Karlskrona sees daytime highs around 2°C and nights near -1°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Karlskrona in January

The nearest coast averages about 4°C in January — 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
May8Bracing
Jun13Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov8Bracing
Dec6Bracing

UV index in Karlskrona in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Karlskrona peaks around June 18 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 18UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun5High
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Karlskrona?

Karlskrona sits at 56.2°N, 15.6°E, 18 m above sea level, in Sweden. The nearest listed city is Karlshamn, 45 km away.

VäxjöHässleholmLjungbyOskarshamnYstad

Topography around Karlskrona

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

Within 3 km, the terrain around Karlskrona has only modest variations in elevation — a maximum elevation change of 36 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.

The land around Karlskrona is covered by water (76%) within 3 km, water (42%) and trees (40%) within 16 km, and water (47%) and trees (43%) within 80 km.

3 km
36 m
16 km
124 m
80 km
276 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Karlshamn 45 km · Kalmar 73 km · Kristianstad 90 km · Växjö 93 km · Hässleholm 113 km · Ljungby 126 km · Oskarshamn 133 km · Ystad 137 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 Karlskrona (56.1616°, 15.5866°, elevation 18 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).