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Banja Luka in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Banja Luka in January will be like? Take a look at our weather guide for Banja Luka, based on historical data.
Check flight prices to Banja Luka on Avionero:
January

Weather in Banja Luka in January 2025

OK Weather
Cool
☁️
Cloudy
If you plan to visit Banja Luka in January, the weather is typically alright, with an average high temperature of +5°C during the day and approximately 3 sunny days. Expect some snowy, though, as there are typically 9 snowy days in the month and around 40 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Banja Luka;

Average weather

☀️
+5°C
Avg. max. temperature
-22°C
Min.
+21°C
Max.
40 mm
Total precipitation
83%
Avg. humidity
1 m/s
Avg. wind
3 ☀️
Sunny Days
13 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Banja Luka has OK weather in January.

Average temperature in Banja Luka in January

Here are the expected maximum, average and minimum temperatures in Banja Luka for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +19°C during the day to a minimum of -3°C during the night, the temperature in January averages around +9°C.

The average maximum temperature goes down 50% by the end of the month, compared with the beginning of the month, from +19°C to +8°C.

Is Banja Luka warm or cold in January?

Banja Luka is typically cool in January.

Maximum temperatures go down compared to the previous month from +6°C to +5°C. The minimum temperature also goes down from -1°C to -2°C.

Pack a sweater and a jacket as there will be cooler temperatures.

January is the coldest month in Banja Luka, here is the comparison with other months:

Climate in Banja Luka in January

Banja Luka weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+6°C+5°C+8°C
Min. temperature
-19°C-22°C-22°C
Max. temperature
+22°C+21°C+24°C
Rainfall
59 mm40 mm42 mm
Wind
1 m/s1 m/s1 m/s
Humidity
86%83%79%
Air pressure
1019 HPa1020 HPa1018 HPa
Sunny days
334
Cloudy days
131310
Rainy days
968
Snowy days
797

January often has better weather than December. It’s getting colder in January. From +6°C in the day, the average maximum temperature lowers to +5°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 59 mm to 40 mm. It feels drier, as humidity decreases from 86% to 83%. The average wind speed doesn’t change much during January, staying around 1 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

Wind speed in Banja Luka in January based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Banja Luka is gradually increasing during January, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Banja Luka based on historical data.
Last Year
Historical Data
Typically, there is a 35% chance of rain on an average day in January, with total rainfall of approximately 97 mm. The maximum amount of rainfall per day is around 23 mm, which is considered light rain. January is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Banja Luka wettest month is May, where a typical day has a 58% chance of precipitation and 113 mm of rainfall per day. January, on the other hand, is the driest month with a mere 19% chance of precipitation and 40 mm of rainfall per day.

Snow

Amount of snow in mm during January in Banja Luka based on historical data.
Last Year
Historical Data
Typically, there is a 16% chance of snow on an average day in January, with a total monthly snowfall of approximately 44 mm.

January is one of the snowiest months in Banja Luka.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in Banja Luka?

This is the weather in Banja Luka in January 2023:
1 January
☁️
+19°C
2 January
☀️
+17°C
3 January
☁️
+16°C
4 January
☁️
+13°C
5 January
☁️
+14°C
6 January
🌫️
+14°C
7 January
☀️
+11°C
8 January
☁️
+16°C
9 January
🌧️
+16°C
10 January
🌧️
+7°C
11 January
☁️
+9°C
12 January
☁️
+7°C
13 January
🌫️
+9°C
14 January
🌧️
+11°C
15 January
☁️
+12°C
16 January
🌧️
+10°C
17 January
🌧️
+9°C
18 January
🌧️
+13°C
19 January
☁️
+7°C
20 January
🌨️
+2°C
21 January
🌨️
+2°C
22 January
🌫️
+2°C
23 January
☁️
+5°C
24 January
🌧️
+4°C
25 January
🌧️
+4°C
26 January
🌨️
+3°C
27 January
🌨️
+2°C
28 January
🌨️
+2°C
29 January
☁️
+2°C
30 January
☁️
+6°C
31 January
☀️
+8°C
In January 2023 Banja Luka had 3 sunny days, 12 cloudy days, and 8 rainy days. The average maximum temperature was +9°C, with an absolute maximum of +19°C and a minimum of +2°C. The average humidity was 86%, with a maximum of 100% and a minimum of 38%. The average wind speed was 1 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how Banja Luka climate have been changing during last 43 years period.

The climate in Banja Luka in January has not changed much over the last 43 years.

The average temperature was the lowest in 1996 (+15°C) and the highest in 2022 (+19°C). The driest year was 2011 with only 555 mm of rainfall, and the wettest year was 2014 with 1470 mm.

FAQ

Frequently asked questions about the weather in Banja Luka in January:

Is January a good time to visit Banja Luka?

It’s always a good time to visit Banja Luka, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Banja Luka in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Banja Luka rainy in January?

Banja Luka is usually dry in January. Plan your packing around outdoor activities and exploring.

Is it sunny in Banja Luka in January?

Usually, it’s not very sunny in Banja Luka in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Bosnia and Herzegovina

Check out the weather for other cities in Bosnia and Herzegovina.

Monthly weather in Banja Luka

Source of the data

For this page, we’ve looked at the typical weather in Banja Luka, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.