Trebinje weather in August

In August, Trebinje sees average daytime highs of 26°C and overnight lows near 18°C, with 49 mm of rain across 6.6 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 75% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Trebinje's 1st-clearest and 12th-windiest month. For the whole year in context, see Trebinje's year-round climate.

Daytime high
26°
1st warmest
Overnight low
18°
12th coldest
Rainfall
49 mm
6.6 wet days
Daylight
13 h 48 min
4:58 AM – 6:43 PM
Cloud cover
26%
1st clearest
Wind
8 km/h
12th windiest
Solar energy
6.15 kWh/m²
Travel score
7.7
out of 10

Trebinje is city in Bosnia and Herzegovina.

Density
39/km²
people per km²
Founded
2012

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 27°C in the first days to 25°C by the end.

A typical August day in Trebinje reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°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)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182718
192718
202618
212618
222618
232618
242618
252618
262618
272618
282517
292517
302517
312517

How August really feels in Trebinje

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.

Trebinje weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 15711.23.39.21.2
Feb / 15210.93.410.31.6
Mar12° / 14111.32.411.63.0
Apr15° / 13913.40.613.14.2
May19° / 12°9811.5014.46.1
Jun23° / 16°608.5015.17.4
Jul26° / 18°446.9014.87.8
Aug26° / 18°496.6013.77.7
Sep22° / 15°1339.1012.37.1
Oct18° / 11°19410.8010.85.9
Nov13° / 24913.20.69.63.5
Dec / 20613.12.18.91.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38812
48812
58911
69010
79010
89010
99010
109010
119010
12919
13919
14919
15919
16919
17919
189010
198911
208911
218911
228812
238713
248713
258515
268515
278416
288416
298317
308119
318020

Chance of precipitation in August

Any precipitation

Trebinje gets around 49 mm of rain over 6.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
323
423
522
622
721
821
920
1020
1120
1220
1320
1420
1520
1620
1720
1820
1921
2021
2121
2222
2322
2423
2523
2624
2724
2825
2925
3026
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16205717
26205618
36205618
46205618
56205618
67205518
77205617
87205617
98215516
108215615
118225614
128235613
139235513
149245512
159255511
169255610
179265510
18927559
19927568
201028557
211028557
221028566
231129546
241229545
251329535
261430515
271630504
281730494
291930473
302031463
312231443

Wind in August

Winds average 8 km/h in August, the calmest month.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 4:42 AM to 5:15 AM, and sunset from 7:03 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:427:03
214.34:437:02
314.34:447:01
414.24:457:00
514.24:466:59
614.24:476:57
714.14:486:56
814.14:496:55
914.14:506:53
1014.04:516:52
1114.04:536:51
1213.94:546:49
1313.94:556:48
1413.84:566:46
1513.84:576:45
1613.84:586:43
1713.74:596:42
1813.75:006:40
1913.65:016:39
2013.65:026:37
2113.55:046:36
2213.55:056:34
2313.45:066:32
2413.45:076:31
2513.35:086:29
2613.35:096:27
2713.35:106:26
2813.25:116:24
2913.25:126:22
3013.15:146:20
3113.15:156:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.15 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.92 kWh/m² in July across the year — August's 6.15 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.6Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Is August a good time to visit Trebinje?

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

7.7
Sightseeing
2nd-best month of the year
7.5
Beach & pool
1st-best month of the year

August is one of the better times to visit Trebinje for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Trebinje in August

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

In August, Trebinje sees daytime highs around 26°C and nights near 18°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Trebinje in August

The nearest coast averages about 26°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 28 to Oct 28 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Trebinje in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trebinje peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 17UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5High
Apr7Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Trebinje?

Trebinje sits at 42.7°N, 18.3°E, 278 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Dubrovnik, 21 km away.

DubrovnikHerceg NoviPerastTivatKotorNikšić

Topography around Trebinje

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

Within 3 km, the terrain around Trebinje has large variations in elevation — a maximum elevation change of 680 m around an average of 434 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,536 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.

The land around Trebinje is covered by grassland (34%), shrubs (23%) and trees (20%) within 3 km, trees (53%), grassland (22%) and shrubs (20%) within 16 km, and trees (41%), water (28%) and grassland (23%) within 80 km.

3 km
680 m
16 km
1,536 m
80 km
2,429 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Dubrovnik 21 km · Herceg Novi 33 km · Perast 38 km · Tivat 42 km · Kotor 48 km · Nikšić 50 km · Cetinje 59 km · Budva 62 km

Bosnia and Herzegovina travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$10,382
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
13.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 591
Religion
Muslim 51%Orthodox 31%Roman Catholic 15%other 1%

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 Trebinje (42.712°, 18.3436°, elevation 278 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).