Karlovac weather in August

In August, Karlovac sees average daytime highs of 27°C and overnight lows near 16°C, with 81 mm of rain across 9.6 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 48% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 36 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Karlovac's 1st-clearest and 12th-windiest month. For the whole year in context, see Karlovac's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
16°
11th coldest
Rainfall
81 mm
9.6 wet days
Daylight
13 h 54 min
5:04 AM – 7:00 PM
Cloud cover
45%
1st clearest
Wind
6 km/h
12th windiest
Solar energy
5.24 kWh/m²
Travel score
6.6
out of 10

Karlovac is city and settlement in Karlovac County, Croatia.

Density
104/km²
people per km²
Founded
1579

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 28°C in the first days to 25°C by the end.

A typical August day in Karlovac reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 33°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112816
122816
132816
142816
152816
162816
172816
182816
192716
202716
212716
222716
232715
242715
252615
262615
272615
282615
292514
302514
312514

How August really feels in Karlovac

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.

Karlovac weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°649.76.18.90.0
Feb / -1°729.14.910.10.9
Mar12° / 6910.33.111.63.2
Apr17° / 8011.20.613.25.1
May21° / 11°9612.5014.76.2
Jun25° / 14°8210.9015.46.7
Jul28° / 16°7710.1015.16.5
Aug27° / 16°819.6013.96.6
Sep22° / 12°10310.7012.36.6
Oct17° / 939.70.210.75.2
Nov10° / 9911.32.59.32.3
Dec / -1°8610.54.68.60.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46931
56931
66931
77030
87030
96931
107030
117030
127030
137030
147030
156931
166931
176931
186832
196733
206733
216634
226535
236436
246337
256337
266238
276139
286040
296040
305941
315941

Chance of precipitation in August

Any precipitation

Karlovac gets around 81 mm of rain over 9.6 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 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
332
432
532
631
731
831
931
1031
1131
1230
1330
1430
1530
1630
1730
1830
1931
2031
2131
2231
2331
2431
2532
2632
2733
2833
2934
3034
3135

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
110304416
210304316
310314316
410314216
510324216
610334115
711344115
811344114
911354013
1012364012
1112374011
1212383910
131239399
141339399
151340398
161341397
171441397
181441386
191541386
201641385
211740385
221840375
231940365
242139354
252339344
262538334
272638324
282838304
293038294
303238273
313338263

Wind in August

Winds average 6 km/h in August, the calmest month.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 36 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 4:46 AM to 5:23 AM, and sunset from 7:22 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:467:22
214.64:477:21
314.54:487:20
414.54:497:18
514.44:507:17
614.44:517:15
714.44:537:14
814.34:547:13
914.34:557:11
1014.24:567:10
1114.24:587:08
1214.14:597:06
1314.15:007:05
1414.05:017:03
1514.05:037:02
1613.95:047:00
1713.95:056:58
1813.85:066:57
1913.85:076:55
2013.75:096:53
2113.75:106:51
2213.65:116:50
2313.65:136:48
2413.55:146:46
2513.55:156:44
2613.45:166:42
2713.45:186:41
2813.35:196:39
2913.35:206:37
3013.25:216:35
3113.25:236:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.24 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 6 kWh/m² in July across the year — August's 5.24 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.8Bright
264.7Bright
274.7Bright
284.6Bright
294.5Bright
304.5Bright
314.4Bright
Planning a trip in August

Is August a good time to visit Karlovac?

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

6.6
Sightseeing
2nd-best month of the year
6.9
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Karlovac for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Karlovac in August

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

In August, Karlovac sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Karlovac in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Karlovac peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Karlovac in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Karlovac is worst in March — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2218 µg/m³Sep 1713 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar19Moderate
Apr18Moderate
May16Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct14Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Karlovac?

Karlovac sits at 45.5°N, 15.6°E, 114 m above sea level, in Croatia. The nearest listed city is Žumberak, 32 km away.

ŽumberakSamoborVelika KladušaZaprešićNovo MestoVelika GoricaCentarZagreb

Topography around Karlovac

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

Within 3 km, the terrain around Karlovac has only modest variations in elevation — a maximum elevation change of 129 m around an average of 123 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 442 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,628 m.

The land around Karlovac is covered by trees (35%), grassland (31%) and artificial surfaces (21%) within 3 km, trees (67%) and grassland (22%) within 16 km, and trees (74%) within 80 km.

3 km
129 m
16 km
442 m
80 km
1,628 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Žumberak 32 km · Samobor 37 km · Velika Kladuša 40 km · Zaprešić 45 km · Novo Mesto 46 km · Velika Gorica 48 km · Centar 49 km · Zagreb 49 km

Croatia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$27,104
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
87%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
7.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 617
Religion
Roman Catholic 79%other Christian 5%none or atheist 5%Orthodox 3%

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 Karlovac (45.4917°, 15.55°, elevation 114 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).