Ljubljana weather in July

In July, Ljubljana sees average daytime highs of 25°C and overnight lows near 15°C, with 95 mm of rain across 11.4 wet days and about 15.2 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 42% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 30 min at the start of July to 14 h 42 min by month's end. Set against the rest of the year, July is Ljubljana's 2nd-clearest and 11th-windiest month. For the whole year in context, see Ljubljana's year-round climate.

Daytime high
25°
1st warmest
Overnight low
15°
12th coldest
Rainfall
95 mm
11.4 wet days
Daylight
15 h 12 min
4:31 AM – 7:44 PM
Cloud cover
49%
2nd clearest
Wind
6 km/h
11th windiest
Solar energy
5.91 kWh/m²
Travel score
6.8
out of 10

Ljubljana is capital city of Slovenia.

Air quality
Elevated
PM2.5 16.2 µg/m³ · 2019
Density
1,662/km²
people per km²
Founded
1144

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical July day in Ljubljana reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162515
172615
182615
192615
202615
212615
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

How July really feels in Ljubljana

Once humidity and wind are folded in, July 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

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

Ljubljana weather by month

How July compares with the rest of the year at a glance. July is the 1st-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°5984.98.90.0
Feb / -2°748.45.1100.4
Mar10° / 7610.13.311.62.5
Apr15° / 9012113.34.2
May19° / 10°10313.5014.75.7
Jun23° / 13°10513.4015.56.4
Jul25° / 15°9511.4015.26.8
Aug25° / 15°11211.10146.8
Sep20° / 11°12511.1012.36.1
Oct15° / 11710.20.510.74.4
Nov / 12111.22.39.21.7
Dec / -1°909.258.50.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76535
86535
96535
106535
116535
126535
136634
146634
156634
166634
176634
186634
196634
206634
216634
226634
236634
246634
256535
266535
276634
286634
296535
306535
316535

Chance of precipitation in July

Any precipitation

Ljubljana gets around 95 mm of rain over 11.4 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
340
440
540
640
740
840
940
1040
1139
1239
1338
1437
1537
1636
1735
1835
1934
2034
2133
2233
2333
2433
2534
2634
2735
2835
2935
3036
3136

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 38% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13038303
22938303
32838303
42839312
52739312
62739312
72740322
82640322
92640322
102640322
112640322
122640322
132640322
142640322
152540323
162540323
172539333
182439333
192439343
202338354
212338354
222238364
232137374
242037385
252037385
261937395
271836406
281736416
291736416
301636426
311636426

Wind in July

Winds average 6 km/h in July.

Across July, 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 July

DaylightNight

Daylight runs from about 15 h 30 min at the start of July to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:20 AM to 4:47 AM, and sunset from 7:51 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.54:207:51
215.54:207:51
315.54:217:51
415.54:217:50
515.54:227:50
615.44:237:50
715.44:237:49
815.44:247:49
915.44:257:49
1015.44:267:48
1115.44:267:48
1215.34:277:47
1315.34:287:46
1415.34:297:46
1515.34:307:45
1615.24:317:44
1715.24:327:44
1815.24:337:43
1915.14:347:42
2015.14:357:41
2115.14:367:40
2215.04:377:39
2315.04:387:38
2415.04:397:37
2514.94:407:36
2614.94:417:35
2714.94:427:34
2814.84:437:33
2914.84:457:32
3014.74:467:30
3114.74:477:29

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.91 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.03 kWh/m² to a high of 5.91 kWh/m² in July across the year — July's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Ljubljana?

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

6.8
Sightseeing
1st-best month of the year
6.3
Beach & pool
1st-best month of the year

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

What to pack for Ljubljana in July

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

In July, Ljubljana sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Ljubljana in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ljubljana peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Ljubljana in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ljubljana is worst in January — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Ljubljana's WHO annual average of 16.2 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1920 µg/m³Sep 1513 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar20Moderate
Apr19Moderate
May16Moderate
Jun17Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct14Moderate
Nov13Moderate
Dec16Moderate
Location & terrain

Where is Ljubljana?

Ljubljana sits at 46.1°N, 14.5°E, 295 m above sea level, in Slovenia. The nearest listed city is Kranj, 24 km away.

KranjPostojnaTrbovljeBledBohinjVelenjeDivačaNovo Mesto

Topography around Ljubljana

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

Within 3 km, the terrain around Ljubljana has only modest variations in elevation — a maximum elevation change of 165 m around an average of 309 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 847 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,759 m.

The land around Ljubljana is covered by artificial surfaces (55%) and trees (36%) within 3 km, trees (56%) and grassland (23%) within 16 km, and trees (77%) within 80 km.

3 km
165 m
16 km
847 m
80 km
2,759 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Kranj 24 km · Postojna 38 km · Trbovlje 44 km · Bled 46 km · Bohinj 49 km · Velenje 58 km · Divača 58 km · Novo Mesto 58 km

Slovenia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 63% of US
price level, 2025
GDP per capita
$37,376
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Catholic 69%atheist 14%Orthodox 4%non-believer/agnostic 4%

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 Ljubljana (46.0511°, 14.5051°, elevation 295 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).