Ozalj Castle

Castle Medieval castle above the Kupa River

Riverside castle above the Kupa in Ozalj, housing local history displays and period rooms; visitors come for the castle museum and riverside walks in the old town.

Main image

Ozalj Castle is a medieval stronghold in the town of Ozalj in Karlovac County, Croatia. It occupies a prominent position above the Kupa River and is an important local historic monument.

The castle’s stone towers and walls dominate the riverside townscape and provide views over the Kupa River valley. Inside the complex visitors can encounter museum displays and local historical material relating to the castle and regional nobility. The ensemble reflects medieval defensive architecture adapted to a riverside site.

The fortress originated in the medieval period and served as a seat for local noble families over successive centuries. It has undergone repairs and alterations through the early modern period and more recent conservation to preserve the surviving structures.

Situated in the centre of Ozalj town on a cliff above the Kupa River in Karlovac County, central Croatia. The castle directly overlooks the river and the town’s historic streets.

  • Museum at the site: Perched above the Kupa River in the town of Ozalj, the castle contains a small local museum exhibiting regional history and artifacts.
Ozalj Castle
45.6142, 15.4706

How to Get to Ozalj Castle #

Ozalj is reachable by regional roads from Karlovac and Zagreb (follow the D3 regional routes). The castle is in the town centre near the Kupa River and accessible on foot from local parking. Buses from Karlovac stop in Ozalj; schedules vary seasonally.

Tips for Visiting Ozalj Castle #

  • Timing a visit with the Ozalj municipal museum yields context about the town's noble families and riverine life.
  • Park in the historic centre and approach on foot - narrow streets make car access limited.
  • Look for the way the castle's walls step down to the river: it's a good spot for late-afternoon photos.

Best Time to Visit Ozalj Castle #

Late spring through early autumn for easiest access and the best weather.

Spring-Autumn
April-October · 12-25°C
Pleasant weather for walking the old town and riverside.
Winter
November-March · -2-8°C
Quieter and atmospheric, but some sites may have reduced opening hours.

Weather & Climate near Ozalj Castle #

Climate

Ozalj Castle's climate is classified as Humid Subtropical - Humid Subtropical climate with warm summers (peaking in July) and cold winters (coldest in January). Temperatures range from -3°C to 26°C. Abundant rainfall (1085 mm/year), wettest in June.

Air Quality: AQI 54 Moderate
Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
40°
Warmest Month
-19°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 4°C and lows of -3°C. Moderate rainfall (58 mm) and mostly overcast skies.

45 Poor

Comfort

Feels Like Cold
C
Temperature
-3°
93%
Humidity
Very Humid

Weather

58 mm
Rainfall
1.4 m/s
Wind
Calm
0.1
UV Index
Low
9.0h daylight

February

February is cold with highs of 7°C and lows of -2°C. Moderate rainfall (59 mm) and mostly overcast skies.

45 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
91%
Humidity
Very Humid

Weather

59 mm
Rainfall
1.6 m/s
Wind
Calm
0.3
UV Index
Low
10.2h daylight

March

March is cold with highs of 12°C and lows of 1°C. Moderate rainfall (75 mm) and partly cloudy skies.

55 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
85%
Humidity
Very Humid

Weather

75 mm
Rainfall
2.0 m/s
Wind
Calm
0.5
UV Index
Moderate
11.8h daylight

April

April is cool with highs of 16°C and lows of 5°C. Regular rainfall (86 mm) and partly cloudy skies.

65 Good

Comfort

11°
Feels Like Cool
11°C
Temperature
16°
79%
Humidity
Very Humid

Weather

86 mm
Rainfall
1.9 m/s
Wind
Calm
0.9
UV Index
Moderate
13.4h daylight

May

May is cool with highs of 21°C and lows of 10°C. Regular rainfall (88 mm) and partly cloudy skies.

67 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
10° 21°
77%
Humidity
Very Humid

Weather

88 mm
Rainfall
1.8 m/s
Wind
Calm
1.3
UV Index
High
14.7h daylight

June

June is mild with highs of 24°C and lows of 13°C. The wettest month with heavy rain (112 mm) and partly cloudy skies.

77 Very Good

Comfort

18°
Feels Like Mild
18°C
Temperature
13° 24°
74%
Humidity
Very Humid

Weather

112 mm
Rainfall
1.6 m/s
Wind
Calm
1.7
UV Index
Very High
15.4h daylight

July

July is the warmest month with highs of 26°C and lows of 14°C. Significant rainfall (103 mm).

79 Very Good

Comfort

20°
Feels Like Mild
20°C
Temperature
14° 26°
66%
Humidity
Humid

Weather

103 mm
Rainfall
1.6 m/s
Wind
Calm
1.8
UV Index
Very High
15.1h daylight

August

August is mild with highs of 26°C and lows of 14°C. Significant rainfall (103 mm).

79 Very Good

Comfort

20°
Feels Like Mild
20°C
Temperature
14° 26°
65%
Humidity
Humid

Weather

103 mm
Rainfall
1.5 m/s
Wind
Calm
1.5
UV Index
High
13.9h daylight

September

September is cool with highs of 22°C and lows of 10°C. Significant rainfall (105 mm) and partly cloudy skies.

65 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 22°
74%
Humidity
Very Humid

Weather

105 mm
Rainfall
1.4 m/s
Wind
Calm
0.9
UV Index
Moderate
12.4h daylight

October

October is cool with highs of 16°C and lows of 6°C. Significant rainfall (107 mm) and partly cloudy skies.

63 Good

Comfort

11°
Feels Like Cool
11°C
Temperature
16°
84%
Humidity
Very Humid

Weather

107 mm
Rainfall
1.4 m/s
Wind
Calm
0.5
UV Index
Low
10.8h daylight

November

November is cold with highs of 9°C and lows of 2°C. Significant rainfall (107 mm) and mostly overcast skies.

49 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

107 mm
Rainfall
1.5 m/s
Wind
Calm
0.2
UV Index
Low
9.4h daylight

December

December is cold with highs of 5°C and lows of -2°C. Regular rainfall (82 mm) and mostly overcast skies.

41 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
93%
Humidity
Very Humid

Weather

82 mm
Rainfall
1.5 m/s
Wind
Calm
0.1
UV Index
Low
8.6h daylight

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