Trelleborg weather in December

In December, Trelleborg sees average daytime highs of 4°C and overnight lows near 1°C, with 54 mm of precipitation across 11.3 wet days and about 6.9 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 5°C in the first days to 3°C by the end. The sky is clear or mostly clear about 11% 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 54 min by month's end. Set against the rest of the year, December is Trelleborg's 12th-clearest and 3rd-windiest month. For the whole year in context, see Trelleborg's year-round climate.

Daytime high
10th warmest
Overnight low
4th coldest
Precipitation
54 mm
11.3 wet days
Daylight
6 h 54 min
8:38 AM – 3:29 PM
Cloud cover
79%
12th clearest
Wind
18 km/h
3rd windiest
Solar energy
0.37 kWh/m²
Travel score
0.0
out of 10

Trelleborg is urban area in Trelleborg Municipality, Sweden.

Air quality
Good
PM10 18.5 µg/m³ · 2019
Founded
1257

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 5°C in the first days to 3°C by the end.

A typical December day in Trelleborg reaches about 4°C in the afternoon and slips back to 1°C overnight — a 4°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.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
152
252
352
452
552
652
751
851
951
1051
1141
1241
1341
1441
1541
1640
1740
1840
1940
2040
2140
2240
2330
2430
2530
263-1
273-1
283-1
293-1
303-1
313-1

How December really feels in Trelleborg

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.

Trelleborg 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°5111.64.47.50.0
Feb / -1°429.84.49.20.0
Mar / 419.52.711.40.5
Apr11° / 378.80.413.82.6
May15° / 439.4015.94.8
Jun19° / 11°6011017.15.8
Jul21° / 13°6011.4016.66.3
Aug21° / 13°6811.9014.86.2
Sep17° / 10°549.5012.55.3
Oct12° / 5610.9010.13.0
Nov / 4911.30.88.10.9
Dec / 5411.32.86.90.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31882
41981
51981
61981
71981
81981
91981
102080
112179
122179
132179
142179
152278
162278
172278
182278
192179
202179
212179
222179
232179
242179
252278
262278
272278
282278
292278
302278
312278

Chance of precipitation in December

Any precipitationSnow

Trelleborg gets around 54 mm of rain and snow over 11.3 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 37% and peaks near 38% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1366
2366
3366
4366
5376
6376
7377
8387
9387
10387
11388
12388
13378
14378
15379
16379
17379
183710
193710
203710
213711
223611
233611
243611
253611
263611
273711
283711
293711
303811
313811

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
3019light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 12 min at the start of December to 6 h 54 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 8:20 AM to 8:44 AM, and sunset from 3:35 PM to 3:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.28:203:35
27.28:213:34
37.28:233:33
47.18:243:32
57.18:263:32
67.18:273:31
77.08:283:31
87.08:303:30
97.08:313:30
107.08:323:30
116.98:333:29
126.98:343:29
136.98:353:29
146.98:363:29
156.98:373:29
166.98:383:29
176.88:393:29
186.88:403:29
196.88:403:30
206.88:413:30
216.88:413:30
226.88:423:31
236.88:423:31
246.88:433:32
256.88:433:32
266.88:433:33
276.88:443:34
286.98:443:35
296.98:443:36
306.98:443:36
316.98:443:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.37 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.37 kWh/m² to a high of 5.83 kWh/m² in June across the year — December's 0.37 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.4Dim
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 Trelleborg?

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 Trelleborg.

What to pack for Trelleborg in December

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

In December, Trelleborg sees daytime highs around 4°C and nights near 1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Trelleborg 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
Jun14Bracing
Jul17Cool
Aug18Cool
Sep16Cool
Oct12Bracing
Nov9Bracing
Dec6Bracing

UV index in Trelleborg 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 Trelleborg peaks around June 18 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 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 6Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul5High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Trelleborg?

Trelleborg sits at 55.4°N, 13.2°E, 8 m above sea level, in Sweden. The nearest listed city is Malmo, 27 km away.

Topography around Trelleborg

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

Within 3 km, the terrain around Trelleborg has only modest variations in elevation — a maximum elevation change of 37 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 105 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.

The land around Trelleborg is covered by water (37%), cropland (24%) and artificial surfaces (23%) within 3 km, water (48%) and cropland (39%) within 16 km, and water (53%) and cropland (21%) within 80 km.

3 km
37 m
16 km
105 m
80 km
276 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Malmo 27 km · Staffanstorp 30 km · Lund 37 km · Ystad 42 km · Indre By 50 km · Copenhagen 50 km · Frederiksberg 52 km · Valby 52 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 Trelleborg (55.3751°, 13.1569°, elevation 8 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).