Climate and monthly weather forecast
Banja Luka, Bosnia and Herzegovina

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The Iconic Christ the Saviour Orthodox Cathedral in Banja Luka, Bosnia and Herzegovina
The Iconic Christ the Saviour Orthodox Cathedral in Banja Luka, Bosnia and Herzegovina

The climate of Banja Luka

Banja Luka, Bosnia and Herzegovina, lies within a marine west coast climate zone with warm summers, as classified by the Köppen climate classification as 'Cfb'. Placed geographically within the region of the Balkans, it is influenced by both the Mediterranean and Continental climatic currents. The assessment of weather elements reveals a diverse pattern of climatic conditions across the months.

Annual average temperatures swing from a brisk -2.6°C (27.3°F) in the coldest month of January to a High of 27.5°C (81.5°F) in August, with extreme temperatures emphasizing the transition between the seasons. Humidity generally lessens from 87% in January to 67% in August. With rainfall ranging from 38mm (1.5") in August to 102mm (4.02") in May, and peaking up to 20.5 days of rain in May, precipitations showcase a significant aspect of Banja Luka's weather characteristics.

Accumulated snowfall figures suggest a winter dominated by snow activities, with January being the snowiest month at 213mm (8.39") of snow. In terms of sunlight, there is a broad spectrum between the shortest daylight span of 8.9 hours in December and the longest span of 15.5 hours in June. Sunshine hours peak 11.1 hours in July, with a minimum of 4.4 hours in February. Furthermore, the annual climatic pattern is influenced by wind speeds varying from 6.1km/h (3.8mph) in August to 8.1km/h (5mph) in March.

The best time to visit Banja Luka

Considering the climatic aggregates, the ideal time for a visit to Banja Luka is between May and October. With temperatures ranging from 16.4°C (61.5°F) to 27.5°C (81.5°F), this is the most enjoyable period to take advantage of outdoor activities. The plentiful hours of sunshine during this timeframe, up to 14.8 hours per day, illuminates the city's historical landmarks and green spaces. While May has the most substantial rainfall at 102mm (4.02"), the remainder of this period witnesses a decline in precipitation, which reaches 38mm (1.5") in August. Visitors during this period will experience lighter winds ranging from 7.1km/h (4.4mph) in May to 6.1km/h (3.8mph) in August and October.

The worst time to visit Banja Luka

Potential visitors should be cautioned that the period from November to February can be quite challenging, characterized by lower temperatures, fewer hours of daylight, and frequent snowfall. In these months temperatures can drop to as low as -2.6°C (27.3°F) in January, and daylight hours plummet down to 8.9 hours in December. The winter months' difficulties are accentuated by the accumulated snowfall, reaching 213mm (8.39") in January, which could hinder travel and outdoor activities.

Spring weather in Banja Luka

March signals the advent of spring in Banja Luka, and the fluctuation in temperatures from 2.1°C (35.8°F) to 19.8°C (67.6°F) across spring months caters to a wide range of activities that come with the season. Rainfall is distributed fairly evenly over the spring months with an average of 58mm (2.28") each month, making it the second wettest season of the year. Correspondingly, a higher frequency of rainy days, peaking at 20.5 days in May, is observed. Wind conditions moderately vary from 8.1km/h (5mph) in March to 7.1km/h (4.4mph) in May.

Summer weather in Banja Luka

From June to August, Banja Luka enjoys a warm and amiable summer. Average temperatures stretch from 19.8°C (67.6°F) to 27.5°C (81.5°F). In addition to this thermal comfort, the season is marked by the longest sunshine duration, with a peak of 15.5 daylight hours in June and maximum sunshine hours being 11.1 hours in July. There's relatively less precipitation during summer as it falls from 78mm (3.07") in June to 38mm (1.5") in August, making it the perfect time for outdoor leisure activities.

Autumn weather in Banja Luka

The autumn season in Banja Luka, marked from September to November, enjoys modest temperatures fluctuating from 9.8°C (49.6°F) to 21.5°C (70.7°F). Autumn witnesses decreased daylight hours from 12.5 to 9.6, and the amount of sunshine dips from 9.2 hours in September to 5.7 hours in November. Precipitation displays a relatively uniform pattern, with values close to the yearly average of about 45mm (1.77"). Moreover, wind speeds tend to increase slightly, reaching up to 6.5km/h (4mph) in November.

Winter weather in Banja Luka

Winter in Banja Luka is marked by low temperatures, reduced daylight hours, and frequent snowfall. The temperature drops from 4°C (39.2°F) in December to a chilly -2.6°C (27.3°F) in January. Daylight hours are the shortest of the year, with 8.9 hours in December. During winter months, accumulated snowfall is a prominent feature, peaking at 213mm (8.39") in January. Despite the cold, the scarce 4.8 to 5.4 hours of sunshine per day still allows for winter festivities and activities.

Weather in January

January weather in Banja Luka, Bosnia and Herzegovina is characterized by its cold winter temperatures and significant snowfall. Peak snowfall is observed in this month with a high of 213mm (8.39"), which also corresponds with snow falling on an average of 10.2 days throughout the month. Weather in January »

Weather in February

February maintains the winter chill established in January, yet the number of snowy days begins to decrease. Importantly, this month witnesses a decrease in snowfall from 213mm (8.39") in January to 170mm (6.69"). Banja Luka becomes slightly more discernable beneath the snow as the winter weather starts to recede gently. Weather in February »

Weather in March

March heralds the arrival of spring in Banja Luka, seeing a shift in weather patterns as the city begins its transition out of winter. The key shift in this month is snowfall that drops notably from 170mm (6.69") in February to 104mm (4.09"). Weather in March »

Weather in April

April sees the emergence of warmer conditions and increased rainfall in Banja Luka, indicating a solidified entry into spring. The snowfall sharply reduces from 104mm (4.09") in March down to 27mm (1.06"), effectively marking the end of wintry conditions. Weather in April »

Weather in May

May invites warmer weather in Banja Luka and manifests as a noticeably wet month. Rainfall balloons to its highest point of the year, reaching 102mm (4.02"), signaling a drastic change from the 27mm (1.06") of snowfall in April. As the city bids adieu to the thawing phase, blossoms and greenery become more pronounced. Weather in May »

Weather in June

In June, Banja Luka transitions from the cool freshness of spring into the warmth of summer. Even though rainfall reduces from May's 102mm (4.02") to 78mm (3.07"), it still maintains a significant presence. The rich blend of sunshine and rain contributes to the vibrance and lushness of local flora. Weather in June »

Weather in July

July presents itself as Banja Luka's warmest month, embodying the height of summer in the city. July sees the highest average temperatures, climbing to 27°C (80.6°F) from June's 24.3°C (75.7°F), providing plenty of warm sunny days. Weather in July »

Weather in August

August holds onto the summer warmth from July, bringing continued sunny and dry weather to Banja Luka. The temperatures ascend slightly from July's 27°C (80.6°F) to their annual peak at 27.5°C (81.5°F). This month maximizes the summer experience with ample sunlight and clear night skies. Weather in August »

Weather in September

September lends a cooler touch to Banja Luka's climate as the city begins transitioning into the autumn season. Reflecting this shift, the temperature descends significantly from 27.5°C (81.5°F) in August to a more manageable 21.5°C (70.7°F). Weather in September »

Weather in October

By October, Banja Luka is entirely embraced by autumn, cementing the transition from the warn weather to cooler conditions. The change in season becomes more apparent as temperatures continue to reduce, dipping to 16.6°C (61.9°F) down from September's 21.5°C (70.7°F). Weather in October »

Weather in November

November in Banja Luka brings a clear indication of the impending winter, as autumn concludes and cooler temperatures prevail. Making a significant drop from 16.6°C (61.9°F) to 11.8°C (53.2°F) from October, shows the first signs of wintry chill. Weather in November »

Weather in December

December takes Banja Luka into the heart of winter, with temperatures plunging and snowfall making a comeback. The snowfall jumps from mere 5mm (0.2") in November to a substantial 136mm (5.35"), creating white-topped landscapes across the city. Weather in December »
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Frequently asked questions

What are the coldest months in Banja Luka?

With an average high-temperature of 3.8°C (38.8°F) and an average low-temperature of -2.6°C (27.3°F), January is the coldest month.

What is the most humid month in Banja Luka?

With an average relative humidity of 87%, January is the most humid month in Banja Luka, Bosnia and Herzegovina.

How much does it rain in Banja Luka?

In Banja Luka, during the entire year, the rain falls for 160.5 days and collects up to 664mm (26.14") of precipitation.

When does it snow in Banja Luka?

January through April, October through December are months with snowfall.

When does it snow the most in Banja Luka?

January is the month with the most snowfall in Banja Luka. Snow falls for 10.2 days and accumulates 213mm (8.39") of snow.

How many days does it snow in Banja Luka?

In Banja Luka, during the entire year, snow falls for 32.3 days and aggregates up to 704mm (27.72") of snow.

What is the month with the lowest UV index in Banja Luka?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Banja Luka?

The month with the least sunshine is February, with an average of 4.4h of sunshine.

What is the rainiest month in Banja Luka?

The month with the most rainfall in Banja Luka, Bosnia and Herzegovina, is May, when the rain falls for 20.5 days and typically aggregates up to 102mm (4.02") of precipitation.

When it does not snow in Banja Luka?

May through September are months without snowfall.

When are the longest days in Banja Luka?

June has the longest days of the year, with an average of 15h and 30min of daylight.

What month has the most sunshine in Banja Luka?

The month with the most sunshine in Banja Luka, Bosnia and Herzegovina, is July, with an average of 11.1h of sunshine.

What is the month with the highest UV index in Banja Luka?

July is the month with the highest UV index in Banja Luka, with an average maximum UV index of 6.

What is the hottest time of year in Banja Luka?

Banja Luka notes the warmest temperatures in August, with a average high of 27.5°C (81.5°F) and a low of 13.6°C (56.5°F).

What is the least humid month in Banja Luka?

The least humid month in Banja Luka, Bosnia and Herzegovina, is August, with an average relative humidity of 67%.

What is the driest month in Banja Luka?

The month with the least rainfall is August, when the rain falls for 10.5 days and typically collects 38mm (1.5") of precipitation.

When is Daylight Saving Time (DST) in Banja Luka?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Banja Luka, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

What is the month with the shortest days in Banja Luka?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

Average temperature
Banja Luka, Bosnia and Herzegovina

Average temperature - Banja Luka, Bosnia and Herzegovina

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (3.8°C).

The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).

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Average pressure
Banja Luka, Bosnia and Herzegovina

Average pressure - Banja Luka, Bosnia and Herzegovina

The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.6mbar).

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Average wind speed
Banja Luka, Bosnia and Herzegovina

Average wind speed - Banja Luka, Bosnia and Herzegovina

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest months (with the lowest average wind speed) are August and September (6.1km/h).

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Average humidity
Banja Luka, Bosnia and Herzegovina

Average humidity - Banja Luka, Bosnia and Herzegovina

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (67%).

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Average rainfall
Banja Luka, Bosnia and Herzegovina

Average rainfall - Banja Luka, Bosnia and Herzegovina

The wettest month (with the highest rainfall) is May (102mm).
The driest month (with the least rainfall) is August (38mm).

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Average rainfall days
Banja Luka, Bosnia and Herzegovina

Average rainfall days - Banja Luka, Bosnia and Herzegovina

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall
Banja Luka, Bosnia and Herzegovina

Average snowfall - Banja Luka, Bosnia and Herzegovina

The month with the highest snowfall is January (213mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days
Banja Luka, Bosnia and Herzegovina

Average snowfall days - Banja Luka, Bosnia and Herzegovina

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Banja Luka, Bosnia and Herzegovina

Average daylight / Average sunshine - Banja Luka, Bosnia and Herzegovina

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days
Banja Luka, Bosnia and Herzegovina

Average sunshine days - Banja Luka, Bosnia and Herzegovina

The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is May (9 days).

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Average UV index
Banja Luka, Bosnia and Herzegovina

Average UV index - Banja Luka, Bosnia and Herzegovina

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Banja Luka, Bosnia and Herzegovina

Average visibility - Banja Luka, Bosnia and Herzegovina

The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).

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Banja Luka, Bosnia and Herzegovina

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