Žumberak Mountains

Mountains Forest-covered hills and karst landscapes near Zagreb

The Žumberak Mountains offer forested ridges, karst valleys and scattered mountain villages on Slovenia’s borderlands; hikers and cyclists use marked tracks, and visitors study local flora, pastoral life and small chapels.

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The Žumberak Mountains are a low mountain range straddling the border area between Croatia and Slovenia, composed of forested ridges and karst valleys. The range is characterised by mixed woodland, rural hamlets and agricultural terraces rather than high alpine terrain, making it a regional center for outdoor recreation and nature conservation.

Hiking and mountain-biking routes run between villages and along ridge tracks; viewpoints on the higher summits afford wide vistas over the surrounding lowlands and nearby Zagreb metropolitan area. Local villages offer access to trails and traditional rural architecture.

The landscape has been shaped by centuries of pastoralism, forestry and small-scale agriculture, with settlement patterns reflecting historic land use rather than intensive industrial development. Protected areas on the Croatian side conserve woodland and cultural landscapes.

The range lies to the west-northwest of Zagreb and forms part of the borderland between northwestern Croatia and southeastern Slovenia, with access from towns and villages on both sides of the border.

  • Highest point: The highest summit reaches about 1,178 metres, giving the range a mix of low-mountain ridges and wooded valleys.
  • Recreation: The area combines forest, karst terrain and small rural settlements, with hiking and cycling the main visitor activities.

What to See #

  • Trdinov vrh (Sveta Gera): Trdinov vrh (also known as Sveta Gera) is the highest peak in the range at about 1,178 metres and offers forested ridges and panoramic viewpoints.
  • Nature park: The Žumberak-Samoborsko Gorje Nature Park protects large parts of the range on the Croatian side and includes marked trails, villages and forestry landscapes.
Žumberak Mountains
Žumberak‑Samobor Hills (Žumberak), Croatia
45.7500, 15.3333

How to Get to Žumberak Mountains #

Žumberak is about 40-60 minutes by car from Zagreb. Public transport options include regional buses to Samobor and nearby villages; once in Samobor, local roads and marked trails lead into the hills.

Tips for Visiting Žumberak Mountains #

  • Drive the ridge roads and stop at marked viewpoints - many trails are waymarked but services are sparse.
  • Try local honey and shepherd cheeses at village stands; the region has small mountain farms.
  • For geology and walking, pair a day on Žumberak with a visit to Samobor, whose pastry shops are an excellent recovery treat.

Best Time to Visit Žumberak Mountains #

April-June and September-October are best for comfortable hiking and clear views; summer can be warm and busy on weekends.

Spring-Early Summer
April-June · 10-22°C
Wildflowers and good walking conditions; local villages open seasonal facilities.
Autumn
September-October · 8-18°C
Harvest time and cooler hikes; clear air ideal for views of surrounding plains.

Weather & Climate near Žumberak Mountains #

Climate

Žumberak Mountains's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -6°C to 22°C. Abundant rainfall (1382 mm/year), wettest in June.

Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
40°
Warmest Month
-19°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of 2°C and lows of -6°C. Moderate rainfall (71 mm) and mostly overcast skies.

34 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-6°
93%
Humidity
Very Humid

Weather

71 mm
Rainfall
2.0 m/s
Wind
Calm
0.1
UV Index
Low
9.0h daylight

February

February is freezing with highs of 4°C and lows of -5°C. Regular rainfall (80 mm) and mostly overcast skies.

41 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-5°
91%
Humidity
Very Humid

Weather

80 mm
Rainfall
2.1 m/s
Wind
Calm
0.3
UV Index
Low
10.2h daylight

March

March is cold with highs of 8°C and lows of -2°C. Significant rainfall (102 mm) and partly cloudy skies.

43 Poor

Comfort

Feels Like Cold
C
Temperature
-3°
85%
Humidity
Very Humid

Weather

102 mm
Rainfall
2.4 m/s
Wind
Calm
0.5
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 11°C and lows of 1°C. Significant rainfall (119 mm) and partly cloudy skies.

53 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
79%
Humidity
Very Humid

Weather

119 mm
Rainfall
2.4 m/s
Wind
Calm
0.9
UV Index
Moderate
13.4h daylight

May

May is cool with highs of 16°C and lows of 6°C. Significant rainfall (116 mm) and partly cloudy skies.

63 Good

Comfort

11°
Feels Like Cool
11°C
Temperature
16°
77%
Humidity
Very Humid

Weather

116 mm
Rainfall
2.3 m/s
Wind
Calm
1.3
UV Index
High
14.7h daylight

June

June is cool with highs of 20°C and lows of 9°C. The wettest month with heavy rain (146 mm) and partly cloudy skies.

65 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
20°
74%
Humidity
Very Humid

Weather

146 mm
Rainfall
2.0 m/s
Wind
Calm
1.7
UV Index
Very High
15.4h daylight

July

July is cool with highs of 22°C and lows of 10°C. Significant rainfall (115 mm).

71 Very Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 22°
66%
Humidity
Humid

Weather

115 mm
Rainfall
1.9 m/s
Wind
Calm
1.8
UV Index
Very High
15.1h daylight

August

August is cool with highs of 22°C and lows of 10°C. Significant rainfall (124 mm).

71 Very Good

Comfort

16°
Feels Like Cool
16°C
Temperature
10° 22°
65%
Humidity
Humid

Weather

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

September

September is cool with highs of 18°C and lows of 7°C. Significant rainfall (127 mm) and partly cloudy skies.

61 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
18°
74%
Humidity
Very Humid

Weather

127 mm
Rainfall
1.8 m/s
Wind
Calm
0.9
UV Index
Moderate
12.4h daylight

October

October is cold with highs of 12°C and lows of 3°C. Significant rainfall (135 mm) and partly cloudy skies.

51 Acceptable

Comfort

Feels Like Cold
C
Temperature
12°
84%
Humidity
Very Humid

Weather

135 mm
Rainfall
2.0 m/s
Wind
Calm
0.5
UV Index
Low
10.8h daylight

November

November is cold with highs of 6°C and lows of -2°C. Significant rainfall (140 mm) and mostly overcast skies.

37 Poor

Comfort

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

Weather

140 mm
Rainfall
2.2 m/s
Wind
Calm
0.2
UV Index
Low
9.4h daylight

December

December is freezing with highs of 2°C and lows of -5°C. Significant rainfall (107 mm) and mostly overcast skies.

30 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-5°
93%
Humidity
Very Humid

Weather

107 mm
Rainfall
2.1 m/s
Wind
Calm
0.1
UV Index
Low
8.6h daylight

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