Bosnia and Herzegovina weather in October - temperature, rain and is it a good time to visit?

October is one of the best months for a holiday in Bosnia and Herzegovina.

Weather in October at a glance

Daytime temperature: 20°C
Night-time temperature: 9°C
Daylight hours: 11h03min
Chance of rain: 36%
Days with thunderstorms: 5%
Muggy days: 22%

An overview for the country. Conditions can vary between cities and regions.

Plan your trip · October

Bosnia and Herzegovina in October: weather for a week away

Compare destinations and see how many days of a typical trip met your preferred temperature range, with less than 1 mm of daily precipitation.

Historical dataNASA POWER1981-2025

City or region

Compare with history

What weather do you prefer?

Sarajevo in October: Sightseeing

1981-2025

Daytime temperature 18-28°CDaily precipitation Less than 1 mm

Days matching your plans

2.1 / 7

Weekly average; typical number of days: 0-4

At least 5 matching days

17%

of historical weeks

All 7 days match

of historical weeks

How many matching days were there in a week?

Each bar shows the share of historical weeks.

35%

0days

16%

1day

13%

2days

10%

3days

4days

5days

6days

7days

5-7 days matching your preferences

When to go? Compare the months

Average matching days per week

0Jan 0Feb 0.1Mar 0.9Apr 2.6May 3.1Jun 2.9Jul 2.5Aug 3.5Sept 2.1Oct 0.1Nov 0Dec

The highest average was in September: 3.5 matching days per week.

Bosnia and Herzegovina in October: which destinations match most often?

Comparison of 10 cities and regions using your selected conditions.

Sarajevo · 1981-2025

Hot days and warm nights in October

Does the temperature drop below 20°C during hot weather?

—No hot days in these records

0%of weeks with at least 3 warm nights*

None of the 1,395 days reached 30°C. There are no hot days to compare, although warm nights may still occur.

* A warm night is represented by the daily minimum ≥20°C. Maximum and minimum refer to the same day; this does not isolate the night following a particular hot day.

Sarajevo · Your holiday week

How much can temperatures change during a week?

Check cooler hours as well as afternoon temperatures.

Coolest time of day-2.6-4.8°CWeekly minimum: typical range

Warmest day16.9-23°CWeekly maximum: typical range

7.9°CTypical difference between the highest and lowest daytime maxima in a week

How often does it get cooler from one day to the next?

42%of weeks with a day-to-day drop in maximum temperature of at least 5°C

Bring a layer for cooler days. Marked drops in temperature occurred in a substantial share of historical weeks.

Ranges are the 20th-80th percentiles of whole-week minima and maxima, not forecast limits. Cooling compares consecutive daily maxima, not day and night temperatures.

Compare all destinations

18-28°C · Less than 1 mm · 1981-2025
City or region	Days matching your plans	At least 5 matching days	All 7 days match
Sarajevo	2.1 / 7	17%	5%
Prijedor	2.7 / 7	24%	7%
Trebinje	3.7 / 7	40%	16%
Banja Luka	2.7 / 7	24%	7%
Mostar	2.2 / 7	22%	8%
Konjic	1.7 / 7	16%	5%
Bijeljina	3.2 / 7	32%	11%
Doboj	2.8 / 7	25%	7%
Zenica	2.1 / 7	17%	5%
Travnik	1.6 / 7	13%	3%

Where do the figures come from?

The analysis includes 1,125 complete 7-day periods out of 1,125 possible periods in 45 years (1981-2025), for Sarajevo. Every week lies entirely within the selected month. Overlapping weeks are not independent samples. Incomplete weeks are excluded.

A matching day has a daily maximum within the selected temperature range, inclusive, and precipitation below 1 mm. Trace precipitation is possible. The typical range is the 20th-80th percentile of matching days per week. Daily percentages count each calendar day once; categories can overlap.

NASA POWER provides daily MERRA-2 grid data for each location, not city weather-station measurements or an area-wide country average. These are historical frequencies, not a forecast or a measure of forecast accuracy. This comparison does not include cloud, wind, humidity, sea temperature or changes within the day, and does not assess outdoor safety. Check the current forecast before travelling. NASA POWER Daily API.

Historical frequency, not a forecast for your travel dates.

Bosnia and Herzegovina - October vs the year - annual climate

In October, Bosnia and Herzegovina averages about 20° during the day and 9° at night. There's a moderate chance of rain (about 36%).

Historical weather 1981-2025

Weather in Bosnia and Herzegovina in October: trends from 1981 to 2025

NASA POWER

From 2016 to 2025, the average daytime high was 18°C, 1.2°C warmer than in 1981-1990. 2023 was the warmest (21.4°C), while 1997 was the coolest (13.2°C).

Differences between years

How similar is the weather in October from year to year?

In 40% of the years compared, temperature and the number of wet days were close to typical for this month.

Similar means an average daily maximum within 2°C and a wet-day count within 3 days of the 1991-2020 medians. This is historical similarity, not forecast accuracy.

40%of years with similar conditions

Typical average daytime high14.4°C–18.3°C

Typical number of wet days8–13 days

Daytime temperatures in October: year by year

Monthly average daily maximum temperature: compare individual years and the longer-term trend.

45 years of data

Coolest month13.2°C 1997

Warmest month21.4°C 2023

Latest year in the data15.4°C 2025

Average for each year5-year average1991-2020 reference: 16.5°C

Blue band: the 20th-80th percentile of monthly averages in 1991-2020. The thicker line is the average of five consecutive years. Highlights describe whole months, not single-day records.

View temperatures for every year

Year	Average daytime maximum	5-year average
1981	17.1°C	-
1982	16.3°C	-
1983	16.2°C	-
1984	16.6°C	-
1985	16.3°C	16.5°C
1986	16.9°C	16.5°C
1987	16.7°C	16.5°C
1988	17.1°C	16.7°C
1989	15.9°C	16.6°C
1990	18.5°C	17°C
1991	14°C	16.4°C
1992	16.1°C	16.3°C
1993	17.2°C	16.3°C
1994	16°C	16.4°C
1995	18.2°C	16.3°C
1996	14.2°C	16.3°C
1997	13.2°C	15.8°C
1998	16.1°C	15.5°C
1999	16.8°C	15.7°C
2000	17.9°C	15.6°C
2001	19.1°C	16.6°C
2002	15.5°C	17.1°C
2003	14.2°C	16.7°C
2004	18.9°C	17.1°C
2005	16.2°C	16.8°C
2006	18°C	16.6°C
2007	13.9°C	16.2°C
2008	18.2°C	17°C
2009	14.5°C	16.2°C
2010	13.6°C	15.6°C
2011	16°C	15.2°C
2012	18.8°C	16.2°C
2013	18.6°C	16.3°C
2014	16.7°C	16.7°C
2015	15.5°C	17.1°C
2016	14.5°C	16.8°C
2017	17.6°C	16.6°C
2018	19.3°C	16.7°C
2019	20.5°C	17.5°C
2020	16.6°C	17.7°C
2021	14.9°C	17.8°C
2022	20.7°C	18.4°C
2023	21.4°C	18.8°C
2024	19°C	18.5°C
2025	15.4°C	18.3°C

How has October changed since the 1980s?

A comparison of 1981-1990 with 2016-2025 shows how temperatures, rainfall and the frequency of longer hot spells have changed.

In the latest decade, the average daytime high was 1.2°C warmer than in 1981-1990.

Daytime high

1981-199016.8°C2016-202518°C

change: +1.2°C

Hot days

1981-19900 days2016-20250 days

change: 0 days

Warm nights

1981-19900 days2016-20250 days

change: 0 days

Wet days

1981-19909.8 days2016-20259 days

change: −0.8 days

Years with a heatwave

1981-19900%2016-20250%

change: 0 pp

How often does October bring heat, frost and rain?

Typical number of days and monthly precipitation based on the 1991-2020 climate normal.

Warm days0 dayshigh of at least 25°C

Hot days0 dayshigh of at least 30°C

Frost nights3 dayslow below 0°C

Warm nights0 dayslow of at least 20°C

Wet days11 daysat least 1 mm

Monthly rainfall73 mmtypical total

How often does it rain in Bosnia and Herzegovina in October?

The chances use every consecutive 3-, 5- and 7-day period from 1981 to 2025. A wet day has at least 1 mm of precipitation.

A full seven days without rain occurred in 21% of historical periods. At least one wet day occurred in 79% of weeks.

3 rain-free days43%historical chance

5 rain-free days30%historical chance

7 rain-free days21%historical chance

Longest dry spell10 daystypical in the month

Longest wet spell4 daystypical in the month

Heatwaves, warm nights and cool spells in October

The percentages show years with at least one run of three consecutive days or nights meeting the stated threshold.

Heatwave0%3 days with highs of at least 30°C0 of 45 years

Run of warm nights0%3 nights with lows of at least 20°C0 of 45 years

Run of frosty nights31%3 nights with lows below 0°C14 of 45 years · most often: Day 21 to month end

Marked cool spell53%3 days with highs no greater than 12.7°C24 of 45 years · most often: Day 21 to month end

Highest and lowest values since 1981

Highest temperature27°C3 October 2023

Coolest night-6.3°C29 October 1997

Wettest day45 mm12 October 2020

Start, middle or end of the month - when is the weather most stable?

We compare temperatures, dry days, heavy rain and wind. The highlighted period usually has the lowest combined risk of rain and stronger winds.

Days 1-10

18.5°CDaytime high7.7°CNight

Dry days: 6 days
Heavy-rain risk: 7%
Frosty nights: 2%
Stronger wind: 0%

Days 11-20

16.6°CDaytime high5.7°CNight

Dry days: 7 days
Heavy-rain risk: 8%
Frosty nights: 10%
Stronger wind: 0%

Day 21 to month endmost stable

14.6°CDaytime high4.4°CNight

Dry days: 8 days
Heavy-rain risk: 7%
Frosty nights: 18%
Stronger wind: 0%

The most stable conditions for rain and wind usually occur during: Day 21 to month end.

Country values are the median of data for 10 cities covered by the site. Source: NASA POWER daily gridded data (MERRA-2), 1981-2025; 1991-2020 climate normal. These are area-based model data and can differ from official weather-station records.

Bosnia and Herzegovina weather all year - average temperatures and rain

Month	Day	Night	Chance of rain
January	7℃	0℃	38%
February	9℃	1℃	46%
March	13℃	3℃	43%
April ★	18℃	7℃	41%
May ★	22℃	11℃	43%
June ★	26℃	15℃	36%
July ★	29℃	16℃	28%
August ★	29℃	16℃	29%
September ★	22℃	13℃	41%
October ★	20℃	9℃	36%
November ★	13℃	5℃	41%
December	7℃	0℃	23%

★ - months most often recommended for travel

Where is it warmest in Bosnia and Herzegovina in October? Weather by city

For each city, we show the average daytime temperature and the warmest and coolest year. The comparison uses the average daily high across the whole of October, not a single extreme day.

Place	Day	Night	October 1981-2025	Sea	Chance of rain
Mostar	22℃	10℃	Average16.5°C Warmest year2022 · 21.5°C Coolest year1996 · 13.3°C Warmest day27.1°C · 3 Oct 2023 Coolest day-0.1°C · 29 Oct 1997	-	35%
Konjic	22℃	10℃	Average15.2°C Warmest year2022 · 19.3°C Coolest year1997 · 11.9°C Warmest day24.7°C · 3 Oct 2023 Coolest day-1.7°C · 29 Oct 1997	-	35%
Trebinje	21℃	13℃	Average19.8°C Warmest year2023 · 22.8°C Coolest year1996 · 17.6°C Warmest day25.8°C · 2 Oct 2011 Coolest day11°C · 26 Oct 1991	22℃	36%
Bijeljina	20℃	9℃	Average19°C Warmest year2023 · 24.5°C Coolest year1997 · 15°C Warmest day32.5°C · 1 Oct 2012 Coolest day2.1°C · 27 Oct 1997	-	21%
Banja Luka	18℃	7℃	Average18°C Warmest year2023 · 23.2°C Coolest year2010 · 14.1°C Warmest day29.2°C · 3 Oct 2023 Coolest day1.3°C · 29 Oct 2012	-	39%
Sarajevo	17℃	6℃	Average15.8°C Warmest year2023 · 20.3°C Coolest year1997 · 12.1°C Warmest day26.8°C · 3 Oct 2023 Coolest day-2.1°C · 29 Oct 1997	-	41%
Zenica	17℃	6℃	Average15.8°C Warmest year2023 · 20.3°C Coolest year1997 · 12.1°C Warmest day26.8°C · 3 Oct 2023 Coolest day-2.1°C · 29 Oct 1997	-	41%

Temperature records in Bosnia and Herzegovina: October compared with the whole year

The comparison uses daily high temperatures from 1981-2025 for the 7 cities shown in the table.

Warmest day in October32.5°C Bijeljina · 1 October 2012

Warmest day of the year43°C Bijeljina · 24 July 2007

Coolest day in October-2.1°C Sarajevo · 29 October 1997

Coolest day of the year-15.2°C Sarajevo · 6 January 1985

These are records in NASA POWER gridded data for the analysed cities, not official national weather-station records.

Travelling soon? Check the live 14-day weather forecast for Bosnia and Herzegovina.

Bosnia and Herzegovina weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember