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Monthly climate in Banja Luka, Bosnia and Herzegovina

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Banja Luka features a oceanic climate (Cfb).Temperatures typically range between 1 °C (34 °F) and 22 °C (72 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1043 mm (41.1 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually.Banja Luka enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 8 hours 50 minutes to 15 hours 30 minutes per day.

Monthly average temperatures in Banja Luka, Bosnia and Herzegovina §

The warmest months in Banja Luka are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (69 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Banja Luka experiences 75 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Banja Luka, Bosnia and Herzegovina.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 17°C
(64°F)		 21°C
(70°F)		 24°C
(76°F)		 29°C
(85°F)		 32°C
(90°F)		 37°C
(99°F)		 37°C
(99°F)		 38°C
(101°F)		 34°C
(94°F)		 28°C
(82°F)		 22°C
(73°F)		 18°C
(65°F)
Mean maximum 14°C
(57°F)		 18°C
(65°F)		 22°C
(72°F)		 26°C
(80°F)		 28°C
(83°F)		 32°C
(90°F)		 35°C
(95°F)		 35°C
(96°F)		 31°C
(88°F)		 26°C
(79°F)		 20°C
(69°F)		 15°C
(60°F)
Average high 5°C
(41°F)		 10°C
(49°F)		 13°C
(55°F)		 18°C
(64°F)		 21°C
(71°F)		 26°C
(79°F)		 28°C
(83°F)		 29°C
(84°F)		 23°C
(74°F)		 18°C
(65°F)		 12°C
(53°F)		 7°C
(45°F)
Daily mean 1°C
(34°F)		 4°C
(40°F)		 7°C
(45°F)		 11°C
(53°F)		 16°C
(61°F)		 20°C
(69°F)		 22°C
(71°F)		 22°C
(72°F)		 17°C
(63°F)		 12°C
(54°F)		 7°C
(46°F)		 4°C
(39°F)
Average low -3°C
(28°F)		 0°C
(32°F)		 1°C
(35°F)		 5°C
(42°F)		 10°C
(51°F)		 15°C
(58°F)		 16°C
(61°F)		 16°C
(62°F)		 12°C
(53°F)		 7°C
(45°F)		 4°C
(40°F)		 1°C
(33°F)
Mean minimum -9°C
(16°F)		 -6°C
(21°F)		 -6°C
(21°F)		 -1°C
(30°F)		 4°C
(39°F)		 9°C
(49°F)		 12°C
(54°F)		 10°C
(50°F)		 5°C
(42°F)		 2°C
(35°F)		 -1°C
(30°F)		 -6°C
(22°F)
Minimum -21°C
(-5°F)		 -11°C
(13°F)		 -19°C
(-3°F)		 -6°C
(21°F)		 0°C
(33°F)		 6°C
(43°F)		 10°C
(50°F)		 7°C
(45°F)		 1°C
(34°F)		 -2°C
(29°F)		 -5°C
(23°F)		 -9°C
(16°F)

Compare climate in Banja Luka with other places

Compare temperature, precipitation, sunshine, UV index in Banja Luka, Bosnia and Herzegovina with other places around the world.

Monthly average precipitation in Banja Luka, Bosnia and Herzegovina §

Banja Luka usually has the most precipitation in May, June and December, with an average of 13 rainy days and 112 mm (4.4 inches) of precipitation per month.The driest months in Banja Luka are January, March and September. On average, 67 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Banja Luka, Bosnia and Herzegovina.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 65 (2.6) 74 (2.9) 70 (2.8) 86 (3.4) 127 (5.0) 103 (4.0) 100 (3.9) 77 (3.0) 67 (2.6) 94 (3.7) 75 (3.0) 105 (4.1)
Average precipitation days (≥ 1 mm) 10 10 12 11 16 12 10 8 10 8 10 13

Monthly sunshine hours in Banja Luka, Bosnia and Herzegovina §

The sunniest months in Banja Luka are June, July and August, when the sun shines an average of 13 hours 6 minutes a day.Least sunny months in Banja Luka: January, November and December receive an average of 6 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Banja Luka, Bosnia and Herzegovina.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 167 226 300 336 376 395 424 385 334 281 205 198
Mean daily daylight hours 9h 13m 10h 25m 11h 56m 13h 30m 14h 50m 15h 30m 15h 9m 13h 58m 12h 28m 10h 55m 9h 33m 8h 50m

Solar UV radiation in Banja Luka, Bosnia and Herzegovina §

Banja Luka experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Banja Luka UV Index data.

Average daily maximum UV levels by month for Banja Luka, Bosnia and Herzegovina.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 7 8 9 9 8 7 5 3 2