Banja Luka weather in June

In June, Banja Luka sees average daytime highs of 25°C and overnight lows near 14°C, with 97 mm of rain across 11.9 wet days and about 15.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 40% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 15 h 06 min at the start of June to 15 h 24 min by month's end. Set against the rest of the year, June is Banja Luka's 3rd-clearest and 10th-windiest month. For the whole year in context, see Banja Luka's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
97 mm
11.9 wet days
Daylight
15 h 24 min
4:10 AM – 7:33 PM
Cloud cover
52%
3rd clearest
Wind
6 km/h
10th windiest
Solar energy
5.84 kWh/m²
Travel score
6.6
out of 10

Banja Luka is city in Bosnia and Herzegovina.

Density
178/km²
people per km²
Founded
1494

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 23°C in the first days to 26°C by the end.

A typical June day in Banja Luka 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 18°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)
12312
22312
32312
42312
52413
62413
72413
82413
92413
102413
112413
122514
132514
142514
152514
162514
172514
182514
192514
202514
212614
222614
232614
242615
252615
262615
272615
282615
292615
302615

How June really feels in Banja Luka

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.

Banja Luka weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°7010.4790.0
Feb / -2°7010.36.510.10.8
Mar12° / 7911.54.311.63.1
Apr17° / 9212.71.413.24.9
May21° / 10°11213.5014.66.0
Jun25° / 14°9711.9015.36.6
Jul27° / 15°8710.50156.7
Aug27° / 15°728.8013.97.0
Sep22° / 11°9511012.36.6
Oct17° / 729.20.610.75.6
Nov11° / 8510.239.42.7
Dec / -1°8211.56.18.70.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55347
65446
75545
85545
95545
105743
115743
125743
135842
145941
156040
166040
176040
186040
196139
206139
216238
226238
236238
246238
256337
266436
276535
286535
296535
306634

Chance of precipitation in June

Any precipitation

Banja Luka gets around 97 mm of rain over 11.9 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 39% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
245
345
444
544
643
743
842
942
1041
1141
1240
1339
1439
1538
1638
1737
1837
1937
2037
2136
2236
2336
2436
2535
2635
2735
2835
2935
3035

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14833181
24634191
34335201
44136212
53937222
63737233
73538243
83339244
93239254
103039265
112939265
122839276
132839276
142738277
152737287
162737288
172836288
182835289
192835289
2028342910
2128332910
2227332910
2327323010
2427323111
2526313111
2626313211
2725313311
2825303411
2924303511
3023303611

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 06 min at the start of June to 15 h 24 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 4:15 AM to 4:13 AM, and sunset from 7:23 PM to 7:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:157:23
215.24:147:23
315.24:147:24
415.24:137:25
515.24:137:26
615.24:127:27
715.34:127:27
815.34:127:28
915.34:117:29
1015.34:117:29
1115.34:117:30
1215.34:117:31
1315.34:117:31
1415.44:107:32
1515.44:107:32
1615.44:107:33
1715.44:107:33
1815.44:107:33
1915.44:107:34
2015.44:107:34
2115.44:117:34
2215.44:117:35
2315.44:117:35
2415.44:117:35
2515.44:117:35
2615.44:127:35
2715.44:127:35
2815.44:137:35
2915.44:137:35
3015.44:137:35

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.84 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 5.91 kWh/m² in July across the year — June's 5.84 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
Planning a trip in June

Is June a good time to visit Banja Luka?

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

6.6
Sightseeing
3rd-best month of the year
5.9
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Banja Luka for sightseeing.

What to pack for Banja Luka in June

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

In June, Banja Luka sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Banja Luka in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Banja Luka peaks around July 11 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 11UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Banja Luka 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 Banja Luka is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1415 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun14Moderate
Jul12Good
Aug13Moderate
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Banja Luka?

Banja Luka sits at 44.8°N, 17.2°E, 151 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Prijedor, 45 km away.

PrijedorJajceTeslicDobojTravnikPožegaSlavonski BrodBugojno

Topography around Banja Luka

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

Within 3 km, the terrain around Banja Luka has significant variations in elevation — a maximum elevation change of 286 m around an average of 181 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 831 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,855 m.

The land around Banja Luka is covered by artificial surfaces (46%) and trees (33%) within 3 km, trees (65%) and grassland (26%) within 16 km, and trees (72%) within 80 km.

3 km
286 m
16 km
831 m
80 km
1,855 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Prijedor 45 km · Jajce 49 km · Teslic 55 km · Doboj 70 km · Travnik 71 km · Požega 73 km · Slavonski Brod 77 km · Bugojno 83 km

Bosnia and Herzegovina travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$10,382
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
13.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 591
Religion
Muslim 51%Orthodox 31%Roman Catholic 15%other 1%

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 Banja Luka (44.7788°, 17.2063°, elevation 151 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).