Trelleborg weather in August

In August, Trelleborg sees average daytime highs of 21°C and overnight lows near 13°C, with 68 mm of rain across 11.9 wet days and about 14.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 24% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 48 min at the start of August to 13 h 42 min by month's end. Set against the rest of the year, August is Trelleborg's 4th-clearest and 11th-windiest month. For the whole year in context, see Trelleborg's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
13°
12th coldest
Rainfall
68 mm
11.9 wet days
Daylight
14 h 48 min
4:48 AM – 7:35 PM
Cloud cover
61%
4th clearest
Wind
15 km/h
11th windiest
Solar energy
4.48 kWh/m²
Travel score
6.2
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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 19°C by the end.

A typical August day in Trelleborg reaches about 21°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102214
112114
122114
132114
142114
152114
162114
172114
182114
192113
202113
212013
222013
232013
242013
252013
262013
272013
282012
291912
301912
311912

How August really feels in Trelleborg

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Trelleborg weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34852
44753
54852
64753
74753
84753
94753
104753
114654
124654
134654
144654
154654
164555
174555
184456
194456
204456
214456
224357
234258
244258
254258
264258
274258
284258
294258
304159
314159

Chance of precipitation in August

Any precipitation

Trelleborg gets around 68 mm of rain over 11.9 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
435
535
635
735
835
935
1036
1136
1236
1337
1437
1538
1638
1739
1839
1939
2040
2140
2240
2341
2441
2541
2641
2741
2841
2940
3040
3140

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13448172
23448172
33448172
43448172
53448162
63547162
73647162
83647151
93747151
103746151
113846151
123945151
133945141
144045141
154144141
164144141
174244141
184343131
194343131
204442131
214542121
224641121
234741121
244840110
255039110
265238100
27543790
28553690
29573580
30603370
31623260

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light 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
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 48 min at the start of August to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over August. Sunrise moves from 4:19 AM to 5:17 AM, and sunset from 8:07 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.84:198:07
215.74:218:05
315.74:238:03
415.64:258:01
515.54:277:59
615.54:297:57
715.44:317:55
815.34:327:53
915.34:347:51
1015.24:367:49
1115.14:387:47
1215.14:407:44
1315.04:427:42
1414.94:447:40
1514.94:467:38
1614.84:487:35
1714.74:507:33
1814.64:527:30
1914.64:547:28
2014.54:557:26
2114.44:577:23
2214.44:597:21
2314.35:017:18
2414.25:037:16
2514.15:057:13
2614.15:077:11
2714.05:097:08
2813.95:117:06
2913.85:137:03
3013.85:157:00
3113.75:176:58

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.48 kWh/m².

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 — August's 4.48 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Trelleborg?

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

6.2
Sightseeing
2nd-best month of the year
3.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Trelleborg for sightseeing.

What to pack for Trelleborg in August

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

In August, Trelleborg sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Trelleborg in August

The nearest coast averages about 18°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. 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
August 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).