Karlovac weather in June

In June, Karlovac sees average daytime highs of 25°C and overnight lows near 14°C, with 82 mm of rain across 10.9 wet days and about 15.4 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 39% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 15 h 12 min at the start of June to 15 h 30 min by month's end. Set against the rest of the year, June is Karlovac's 3rd-clearest and 9th-windiest month. For the whole year in context, see Karlovac's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
82 mm
10.9 wet days
Daylight
15 h 30 min
4:14 AM – 7:42 PM
Cloud cover
53%
3rd clearest
Wind
6 km/h
9th windiest
Solar energy
5.97 kWh/m²
Travel score
6.7
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 27°C by the end.

A typical June day in Karlovac reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 31°C. Set against its neighbours, June runs about 4°C warmer than May and about 2°C cooler than July.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12313
22413
32413
42413
52413
62413
72413
82514
92514
102514
112514
122514
132514
142514
152514
162615
172615
182615
192615
202615
212615
222615
232615
242615
252615
262715
272715
282715
292715
302715

How June really feels in Karlovac

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55347
65347
75347
85446
95545
105545
115644
125743
135743
145842
155941
165941
176040
186040
196040
206139
216238
226139
236238
246337
256337
266436
276436
286535
296535
306634

Chance of precipitation in June

Any precipitation

Karlovac gets around 82 mm of rain over 10.9 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
241
341
441
540
640
740
839
939
1038
1137
1237
1336
1436
1535
1635
1734
1834
1934
2033
2133
2233
2333
2432
2532
2632
2732
2832
2932
3032

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14931200
24732210
34433221
44234231
54035241
63836251
73637252
83438262
93339262
103239263
113140263
123040264
132940264
142940265
152940265
162940256
172940257
182939248
192939248
202939239
2128392310
2228392310
2328382410
2427382410
2527382510
2626372611
2725372711
2825372810
2924362910
3024363010

Wind in June

Winds average 6 km/h in June.

Across June, 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.

0246810151015202530
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 12 min at the start of June to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:19 AM to 4:17 AM, and sunset from 7:32 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:197:32
215.24:187:33
315.34:187:33
415.34:177:34
515.34:177:35
615.34:167:36
715.34:167:37
815.44:167:37
915.44:157:38
1015.44:157:39
1115.44:157:39
1215.44:157:40
1315.44:147:40
1415.44:147:41
1515.54:147:41
1615.54:147:42
1715.54:147:42
1815.54:147:43
1915.54:147:43
2015.54:147:43
2115.54:147:44
2215.54:157:44
2315.54:157:44
2415.54:157:44
2515.54:157:45
2615.54:167:45
2715.54:167:45
2815.54:167:45
2915.54:177:45
3015.54:177:45

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.97 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 — June's 5.97 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in June

Is June a good time to visit Karlovac?

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

6.7
Sightseeing
1st-best month of the year
6.2
Beach & pool
3rd-best month of the year

June 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 June

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

In June, Karlovac sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Karlovac in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — 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 June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June 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
June 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).