Mostar weather in October

In October, Mostar sees average daytime highs of 19°C and overnight lows near 8°C, with 180 mm of precipitation across 10.8 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 42% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 h 06 min by month's end. Set against the rest of the year, October is Mostar's 5th-clearest and 8th-windiest month. For the whole year in context, see Mostar's year-round climate.

Daytime high
19°
6th warmest
Overnight low
7th coldest
Precipitation
180 mm
10.8 wet days
Daylight
10 h 48 min
6:10 AM – 4:57 PM
Cloud cover
50%
5th clearest
Wind
6 km/h
8th windiest
Solar energy
3.02 kWh/m²
Travel score
6.0
out of 10

Mostar is town in Bosnia and Herzegovina.

Density
89/km²
people per km²
Founded
1452

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 17°C by the end.

A typical October day in Mostar reaches about 19°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12111
22110
32110
42110
52110
62010
72010
82010
9209
10209
11209
12199
13199
14199
15199
16198
17198
18188
19188
20188
21188
22187
23187
24177
25177
26177
27177
28177
29177
30167
31166

How October really feels in Mostar

Once humidity and wind are folded in, October 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

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

Mostar weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°13911.14.39.21.0
Feb / -0°13410.9510.21.6
Mar13° / 13311.83.311.63.4
Apr17° / 14713.11.313.24.9
May22° / 10°10912.4014.56.3
Jun26° / 14°729.8015.26.9
Jul29° / 17°456.8014.96.2
Aug30° / 17°536.6013.86.0
Sep24° / 13°1359.1012.37.1
Oct19° / 18010.80.410.86.0
Nov13° / 22213.21.89.53.4
Dec / 19112.53.68.81.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55644
65644
75644
85545
95644
105644
115644
125644
135644
145644
155644
165644
175545
185545
195446
205446
215446
225446
235347
245347
255248
265248
275149
285149
295050
304951
314951

Chance of precipitation in October

Any precipitationSnow

Mostar gets around 180 mm of rain and snow over 10.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 37% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1350
2350
3350
4360
5360
6361
7361
8371
9371
10371
11371
12361
13362
14362
15362
16362
17352
18352
19352
20342
21342
22342
23332
24332
25332
26332
27332
28332
29342
30342
31352

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172244
272244
372244
473234
574233
674233
775223
875223
976213
1077203
1178193
1279183
1381172
1482162
1582162
1683152
1784142
1885132
1986122
2088111
2188111
2289101
2389101
249091
259091
269091
279091
289181
299181
309181
319181

Wind in October

Winds average 6 km/h in October.

Across October, 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 October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 5:52 AM to 6:29 AM, and sunset from 5:24 PM to 4:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:525:24
211.55:535:22
311.45:545:20
411.45:555:18
511.35:575:16
611.35:585:15
711.25:595:13
811.26:005:11
911.16:015:09
1011.16:035:08
1111.06:045:06
1211.06:055:04
1310.96:065:02
1410.96:085:01
1510.86:094:59
1610.86:104:57
1710.76:114:56
1810.76:134:54
1910.66:144:53
2010.66:154:51
2110.56:174:49
2210.56:184:48
2310.56:194:46
2410.46:204:45
2510.46:224:43
2610.36:234:42
2710.36:244:41
2810.26:264:39
2910.26:274:38
3010.16:284:36
3110.16:294:35

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.02 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.79 kWh/m² in July across the year — October's 3.02 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.2Moderate
123.2Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
312.4Moderate
Planning a trip in October

Is October a good time to visit Mostar?

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

6.0
Sightseeing
5th-best month of the year
2.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Mostar for sightseeing.

What to pack for Mostar in October

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

In October, Mostar sees daytime highs around 19°C and nights near 8°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Mostar in October

The nearest coast averages about 21°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 60 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 1 to Oct 29 — about 5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Mostar in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mostar peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highModerateLowJul 17UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5High
Apr7Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Mostar in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mostar is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1515 µg/m³Dec 186 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar12Good
Apr16Moderate
May13Moderate
Jun12Moderate
Jul11Good
Aug16Moderate
Sep8Good
Oct7Good
Nov7Good
Dec6Good
Location & terrain

Where is Mostar?

Mostar sits at 43.3°N, 17.8°E, 66 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Međugorje, 20 km away.

MeđugorjeKonjicNeumIlidžaKorčulaSarajevoVisokoDubrovnik

Topography around Mostar

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

Within 3 km, the terrain around Mostar has large variations in elevation — a maximum elevation change of 661 m around an average of 217 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,873 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,364 m.

The land around Mostar is covered by trees (35%), shrubs (26%) and artificial surfaces (23%) within 3 km, trees (50%) and grassland (28%) within 16 km, and trees (52%) and grassland (24%) within 80 km.

3 km
661 m
16 km
1,873 m
80 km
2,364 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Međugorje 20 km · Konjic 36 km · Neum 49 km · Ilidža 68 km · Korčula 69 km · Sarajevo 71 km · Visoko 78 km · Dubrovnik 82 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 Mostar (43.3433°, 17.8081°, elevation 66 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).