Banja Luka weather by month

Check out Banja Luka weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Banja Luka (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
3°C maximum daytime temperature in January in Banja Luka3
6°C maximum daytime temperature in February in Banja Luka6
11°C maximum daytime temperature in March in Banja Luka11
16°C maximum daytime temperature in April in Banja Luka16
21°C maximum daytime temperature in May in Banja Luka21
24°C maximum daytime temperature in June in Banja Luka24
26°C maximum daytime temperature in July in Banja Luka26
26°C maximum daytime temperature in August in Banja Luka26
23°C maximum daytime temperature in September in Banja Luka23
17°C maximum daytime temperature in October in Banja Luka17
10°C maximum daytime temperature in November in Banja Luka10
5°C maximum daytime temperature in December in Banja Luka5
Min temperature (night-time)
-4°C minimum night-time temperature in January in Banja Luka-4
-3°C minimum night-time temperature in February in Banja Luka-3
0°C minimum night-time temperature in March in Banja Luka0
5°C minimum night-time temperature in April in Banja Luka5
9°C minimum night-time temperature in May in Banja Luka9
12°C minimum night-time temperature in June in Banja Luka12
13°C minimum night-time temperature in July in Banja Luka13
13°C minimum night-time temperature in August in Banja Luka13
10°C minimum night-time temperature in September in Banja Luka10
6°C minimum night-time temperature in October in Banja Luka6
1°C minimum night-time temperature in November in Banja Luka1
-2°C minimum night-time temperature in December in Banja Luka-2
Heat & Humidity
No heat & humidity in January in Banja Luka0
No heat & humidity in February in Banja Luka0
No heat & humidity in March in Banja Luka0
No heat & humidity in April in Banja Luka0
No heat & humidity in May in Banja Luka0
No heat & humidity in June in Banja Luka0
Low heat & humidity in July in Banja LukaL
Low heat & humidity in August in Banja LukaL
No heat & humidity in September in Banja Luka0
No heat & humidity in October in Banja Luka0
No heat & humidity in November in Banja Luka0
No heat & humidity in December in Banja Luka0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Banja Luka

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Banja Luka9
10 hours of daylight per day in February in Banja Luka10
12 hours of daylight per day in March in Banja Luka12
14 hours of daylight per day in April in Banja Luka14
15 hours of daylight per day in May in Banja Luka15
16 hours of daylight per day in June in Banja Luka16
15 hours of daylight per day in July in Banja Luka15
14 hours of daylight per day in August in Banja Luka14
12 hours of daylight per day in September in Banja Luka12
11 hours of daylight per day in October in Banja Luka11
10 hours of daylight per day in November in Banja Luka10
9 hours of daylight per day in December in Banja Luka9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Banja Luka1
UV (maximum) index 2 (Low) in February in Banja Luka2
UV (maximum) index 3 (Moderate) in March in Banja Luka3
UV (maximum) index 5 (Moderate) in April in Banja Luka5
UV (maximum) index 7 (High) in May in Banja Luka7
UV (maximum) index 8 (Very High) in June in Banja Luka8
UV (maximum) index 8 (Very High) in July in Banja Luka8
UV (maximum) index 7 (High) in August in Banja Luka7
UV (maximum) index 5 (Moderate) in September in Banja Luka5
UV (maximum) index 3 (Moderate) in October in Banja Luka3
UV (maximum) index 2 (Low) in November in Banja Luka2
UV (maximum) index 1 (Low) in December in Banja Luka1

Rainfall in Banja Luka

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
13 days with some rainfall in January in Banja Luka13
12 days with some rainfall in February in Banja Luka12
13 days with some rainfall in March in Banja Luka13
14 days with some rainfall in April in Banja Luka14
14 days with some rainfall in May in Banja Luka14
14 days with some rainfall in June in Banja Luka14
12 days with some rainfall in July in Banja Luka12
11 days with some rainfall in August in Banja Luka11
11 days with some rainfall in September in Banja Luka11
11 days with some rainfall in October in Banja Luka11
13 days with some rainfall in November in Banja Luka13
14 days with some rainfall in December in Banja Luka14
Average monthly rainfall (mm)
68 mm monthly rainfall in January in Banja Luka68
66 mm monthly rainfall in February in Banja Luka66
67 mm monthly rainfall in March in Banja Luka67
87 mm monthly rainfall in April in Banja Luka87
97 mm monthly rainfall in May in Banja Luka97
107 mm monthly rainfall in June in Banja Luka107
96 mm monthly rainfall in July in Banja Luka96
94 mm monthly rainfall in August in Banja Luka94
82 mm monthly rainfall in September in Banja Luka82
76 mm monthly rainfall in October in Banja Luka76
103 mm monthly rainfall in November in Banja Luka103
92 mm monthly rainfall in December in Banja Luka92

More about Banja Luka

Banja Luka by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Bosnia & Herzegovina

  • Book early for winter 2026/2027 with low deposits
  • Skiing holiday prices from just £529 per person
  • Book holidays to Andorra, Austria, Bulgaria, Italy & more

The climate guide for Bosnia & Herzegovina (Banja Luka) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Banja Luka?

Banja Luka has a temperate climate with hot summers and some rainfall in all months.

Banja Luka weather in January

Expect daytime maximum temperatures of 3°C in Banja Luka, Bosnia & Herzegovina in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 13 days with some rainfall and typically 68 mm of rainfall in the month, which might fall as snow.

  • 3°C maximum daytime temperature in January in Banja Luka3
    3°C max day temperature
  • 2 hours of sunshine per day
  • 13 days with some rainfall in January in Banja Luka13
    13 days with some rainfall
  • -4°C minimum night-time temperature in January in Banja Luka-4
    -4°C min night temperature
  • 9 hours of daylight per day in January in Banja Luka9
    9 hours of daylight per day
  • No heat & humidity in January in Banja Luka0
    No heat & humidity
  • 68 mm monthly rainfall in January in Banja Luka68
    68 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Banja Luka1
    1 (Low) UV index

Back to months

Banja Luka weather in February

Expect daytime maximum temperatures of 6°C in Banja Luka, Bosnia & Herzegovina in February based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 66 mm of rainfall in the month.

  • 6°C maximum daytime temperature in February in Banja Luka6
    6°C max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in February in Banja Luka12
    12 days with some rainfall
  • -3°C minimum night-time temperature in February in Banja Luka-3
    -3°C min night temperature
  • 10 hours of daylight per day in February in Banja Luka10
    10 hours of daylight per day
  • No heat & humidity in February in Banja Luka0
    No heat & humidity
  • 66 mm monthly rainfall in February in Banja Luka66
    66 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in February in Banja Luka2
    2 (Low) UV index

Back to months

Banja Luka weather in March

Expect daytime maximum temperatures of 11°C in Banja Luka, Bosnia & Herzegovina in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 67 mm of rainfall in the month.

  • 11°C maximum daytime temperature in March in Banja Luka11
    11°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in March in Banja Luka13
    13 days with some rainfall
  • 0°C minimum night-time temperature in March in Banja Luka0
    0°C min night temperature
  • 12 hours of daylight per day in March in Banja Luka12
    12 hours of daylight per day
  • No heat & humidity in March in Banja Luka0
    No heat & humidity
  • 67 mm monthly rainfall in March in Banja Luka67
    67 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Banja Luka3
    3 (Moderate) UV index

Back to months

Banja Luka weather in April

Expect daytime maximum temperatures of 16°C in Banja Luka, Bosnia & Herzegovina in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 87 mm of rainfall in the month.

  • 16°C maximum daytime temperature in April in Banja Luka16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in April in Banja Luka14
    14 days with some rainfall
  • 5°C minimum night-time temperature in April in Banja Luka5
    5°C min night temperature
  • 14 hours of daylight per day in April in Banja Luka14
    14 hours of daylight per day
  • No heat & humidity in April in Banja Luka0
    No heat & humidity
  • 87 mm monthly rainfall in April in Banja Luka87
    87 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Banja Luka5
    5 (Moderate) UV index

Back to months

Banja Luka weather in May

Expect daytime maximum temperatures of 21°C in Banja Luka, Bosnia & Herzegovina in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 97 mm of rainfall in the month.

  • 21°C maximum daytime temperature in May in Banja Luka21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Banja Luka14
    14 days with some rainfall
  • 9°C minimum night-time temperature in May in Banja Luka9
    9°C min night temperature
  • 15 hours of daylight per day in May in Banja Luka15
    15 hours of daylight per day
  • No heat & humidity in May in Banja Luka0
    No heat & humidity
  • 97 mm monthly rainfall in May in Banja Luka97
    97 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Banja Luka7
    7 (High) UV index

Back to months

Banja Luka weather in June

Expect daytime maximum temperatures of 24°C in Banja Luka, Bosnia & Herzegovina in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 107 mm of rainfall in the month.

  • 24°C maximum daytime temperature in June in Banja Luka24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in June in Banja Luka14
    14 days with some rainfall
  • 12°C minimum night-time temperature in June in Banja Luka12
    12°C min night temperature
  • 16 hours of daylight per day in June in Banja Luka16
    16 hours of daylight per day
  • No heat & humidity in June in Banja Luka0
    No heat & humidity
  • 107 mm monthly rainfall in June in Banja Luka107
    107 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Banja Luka8
    8 (Very High) UV index

Back to months

Banja Luka weather in July

Expect daytime maximum temperatures of 26°C in Banja Luka, Bosnia & Herzegovina in July based on long-term weather averages. There are 9 hours of sunshine per day on average with 12 days with some rainfall and typically 96 mm of rainfall in the month.

  • 26°C maximum daytime temperature in July in Banja Luka26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 12 days with some rainfall in July in Banja Luka12
    12 days with some rainfall
  • 13°C minimum night-time temperature in July in Banja Luka13
    13°C min night temperature
  • 15 hours of daylight per day in July in Banja Luka15
    15 hours of daylight per day
  • Low heat & humidity in July in Banja LukaL
    Low heat & humidity
  • 96 mm monthly rainfall in July in Banja Luka96
    96 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Banja Luka8
    8 (Very High) UV index

Back to months

Banja Luka weather in August

Expect daytime maximum temperatures of 26°C in Banja Luka, Bosnia & Herzegovina in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 94 mm of rainfall in the month.

  • 26°C maximum daytime temperature in August in Banja Luka26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in August in Banja Luka11
    11 days with some rainfall
  • 13°C minimum night-time temperature in August in Banja Luka13
    13°C min night temperature
  • 14 hours of daylight per day in August in Banja Luka14
    14 hours of daylight per day
  • Low heat & humidity in August in Banja LukaL
    Low heat & humidity
  • 94 mm monthly rainfall in August in Banja Luka94
    94 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Banja Luka7
    7 (High) UV index

Back to months

Banja Luka weather in September

Expect daytime maximum temperatures of 23°C in Banja Luka, Bosnia & Herzegovina in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 82 mm of rainfall in the month.

  • 23°C maximum daytime temperature in September in Banja Luka23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in September in Banja Luka11
    11 days with some rainfall
  • 10°C minimum night-time temperature in September in Banja Luka10
    10°C min night temperature
  • 12 hours of daylight per day in September in Banja Luka12
    12 hours of daylight per day
  • No heat & humidity in September in Banja Luka0
    No heat & humidity
  • 82 mm monthly rainfall in September in Banja Luka82
    82 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Banja Luka5
    5 (Moderate) UV index

Back to months

Banja Luka weather in October

Expect daytime maximum temperatures of 17°C in Banja Luka, Bosnia & Herzegovina in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 76 mm of rainfall in the month.

  • 17°C maximum daytime temperature in October in Banja Luka17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in October in Banja Luka11
    11 days with some rainfall
  • 6°C minimum night-time temperature in October in Banja Luka6
    6°C min night temperature
  • 11 hours of daylight per day in October in Banja Luka11
    11 hours of daylight per day
  • No heat & humidity in October in Banja Luka0
    No heat & humidity
  • 76 mm monthly rainfall in October in Banja Luka76
    76 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Banja Luka3
    3 (Moderate) UV index

Back to months

Banja Luka weather in November

Expect daytime maximum temperatures of 10°C in Banja Luka, Bosnia & Herzegovina in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 103 mm of rainfall in the month.

  • 10°C maximum daytime temperature in November in Banja Luka10
    10°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in November in Banja Luka13
    13 days with some rainfall
  • 1°C minimum night-time temperature in November in Banja Luka1
    1°C min night temperature
  • 10 hours of daylight per day in November in Banja Luka10
    10 hours of daylight per day
  • No heat & humidity in November in Banja Luka0
    No heat & humidity
  • 103 mm monthly rainfall in November in Banja Luka103
    103 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in November in Banja Luka2
    2 (Low) UV index

Back to months

Banja Luka weather in December

Expect daytime maximum temperatures of 5°C in Banja Luka, Bosnia & Herzegovina in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 14 days with some rainfall and typically 92 mm of rainfall in the month.

  • 5°C maximum daytime temperature in December in Banja Luka5
    5°C max day temperature
  • 2 hours of sunshine per day
  • 14 days with some rainfall in December in Banja Luka14
    14 days with some rainfall
  • -2°C minimum night-time temperature in December in Banja Luka-2
    -2°C min night temperature
  • 9 hours of daylight per day in December in Banja Luka9
    9 hours of daylight per day
  • No heat & humidity in December in Banja Luka0
    No heat & humidity
  • 92 mm monthly rainfall in December in Banja Luka92
    92 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Banja Luka1
    1 (Low) UV index

Back to months

More about Banja Luka

Banja Luka by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Bosnia & Herzegovina

  • Book early for winter 2026/2027 with low deposits
  • Skiing holiday prices from just £529 per person
  • Book holidays to Andorra, Austria, Bulgaria, Italy & more

The climate guide for Bosnia & Herzegovina (Banja Luka) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare Banja Luka weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Banja Luka, Bosnia and Herzegovina and the UK (London).

Maximum daytime temperature (°C)

Banja Luka, Bosnia and Herzegovina
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more weather >>

Back to top

More about Bosnia & Herzegovina

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^