Žumberak weather in April

In April, Žumberak sees average daytime highs of 17°C and overnight lows near 6°C, with 78 mm of precipitation across 11 wet days and about 13.3 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 19°C by the end. The sky is clear or mostly clear about 30% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 hours by month's end. Set against the rest of the year, April is Žumberak's 6th-clearest and 2nd-windiest month. For the whole year in context, see Žumberak's year-round climate.

Daytime high
17°
6th warmest
Overnight low
6th coldest
Precipitation
78 mm
11 wet days
Daylight
13 h 18 min
5:20 AM – 6:37 PM
Cloud cover
61%
6th clearest
Wind
7 km/h
2nd windiest
Solar energy
4.68 kWh/m²
Travel score
5.2
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 19°C by the end.

A typical April day in Žumberak reaches about 17°C in the afternoon and slips back to 6°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1154
2154
3155
4155
5155
6155
7165
8165
9165
10165
11166
12166
13166
14176
15176
16176
17176
18177
19187
20187
21187
22187
23188
24198
25198
26198
27198
28199
29209
30209

How April really feels in Žumberak

Once humidity and wind are folded in, April 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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Žumberak weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°5695.28.90.0
Feb / -1°6794.610.10.9
Mar12° / 6410.22.611.63.3
Apr17° / 78110.513.35.2
May22° / 11°9913.4014.76.1
Jun25° / 15°9711.8015.46.5
Jul28° / 16°9111.3015.26.4
Aug27° / 16°9910.6013.96.5
Sep22° / 12°11011.3012.36.4
Oct17° / 879.30.110.75.3
Nov10° / 8910.11.89.32.4
Dec / -1°779.948.50.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24654
34654
44456
54555
64555
74555
84357
94258
104258
114258
124258
134357
144357
154357
164456
174456
184555
194555
204555
214654
224654
234654
244654
254654
264654
274654
284654
294654
304654

Chance of precipitation in April

Any precipitationSnow

Žumberak gets around 78 mm of rain and snow over 11 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1333
2333
3343
4343
5353
6362
7362
8372
9382
10382
11382
12392
13392
14392
15392
16392
17392
18392
19381
20381
21381
22371
23371
24371
25371
26381
27381
28380
29380
30390

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
18991
19991
20991
21991
22982
23982
24982
25973
26964
27964
28955
29955
30946

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 5:49 AM to 4:56 AM, and sunset from 6:17 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:496:17
212.55:476:19
312.65:456:20
412.65:436:21
512.75:416:23
612.85:396:24
712.85:376:25
812.95:356:27
912.95:336:28
1013.05:316:29
1113.05:296:31
1213.15:276:32
1313.15:256:33
1413.25:236:35
1513.25:226:36
1613.35:206:37
1713.35:186:39
1813.45:166:40
1913.55:146:41
2013.55:126:43
2113.65:116:44
2213.65:096:45
2313.75:076:47
2413.75:056:48
2513.85:046:49
2613.85:026:51
2713.95:006:52
2813.94:596:53
2914.04:576:55
3014.04:566:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.68 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 5.92 kWh/m² in July across the year — April's 4.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Žumberak?

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

5.2
Sightseeing
7th-best month of the year
1.3
Beach & pool
6th-best month of the year

April is a reasonable time to visit Žumberak for sightseeing.

What to pack for Žumberak in April

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

In April, Žumberak sees daytime highs around 17°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Žumberak in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Žumberak 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 Žumberak in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Žumberak 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 Žumberak?

Žumberak sits at 45.8°N, 15.4°E, 0 m above sea level, in Croatia. The nearest listed city is Novo Mesto, 20 km away.

ZaprešićKarlovacCentarZagrebTrbovljeVelika Gorica

Topography around Žumberak

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

Within 3 km, the terrain around Žumberak has large variations in elevation — a maximum elevation change of 718 m around an average of 703 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,061 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,649 m.

The land around Žumberak is covered by trees (97%) within 3 km, trees (76%) within 16 km, and trees (75%) within 80 km.

3 km
718 m
16 km
1,061 m
80 km
1,649 m
treesgrasslandcroplandartificial surfaces
April weather nearby: Novo Mesto 20 km · Samobor 24 km · Zaprešić 32 km · Karlovac 32 km · Centar 44 km · Zagreb 44 km · Trbovlje 51 km · Velika Gorica 52 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 Žumberak (45.7671°, 15.4148°, elevation 0 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).