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Banja Luka in May: Weather, Average temperature and Climate

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

Weather in Banja Luka in May 2025

OK Weather
Mild
🌧️
Rainy
If you plan to visit Banja Luka in May, the weather is typically alright, with an average high temperature of +72°F during the day and approximately 4 sunny days. Expect some rainy, though, as there are typically 18 rainy days in the month and around 113 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+72°F
Avg. max. temperature
+34°F
Min.
+95°F
Max.
113 mm
Total precipitation
75%
Avg. humidity
1 m/s
Avg. wind
4 ☀️
Sunny Days
7 ⛅️
Cloudy
18 🌦
Rainy
Our opinion: Banja Luka has OK weather in May.

Average temperature in Banja Luka in May

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

Going from a maximum of +82°F during the day to a minimum of +48°F during the night, the temperature in May averages around +70°F.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +70°F to +70°F.

Is Banja Luka warm or cold in May?

Banja Luka is typically mild in May.

Maximum temperatures go up compared to the previous month from +64°F to +72°F. The minimum temperature also goes up from +43°F to +52°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Banja Luka:

Climate in Banja Luka in May

Banja Luka weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+64°F+72°F+79°F
Min. temperature
+23°F+34°F+41°F
Max. temperature
+88°F+95°F+100°F
Rainfall
94 mm113 mm102 mm
Wind
1 m/s1 m/s1 m/s
Humidity
71%75%75%
Air pressure
1013 HPa1014 HPa1014 HPa
Sunny days
445
Cloudy days
776
Rainy days
171816
Snowy days
100

May typically has worse weather conditions compared to April. It’s getting warmer as May arrives. The average maximum temperature goes up from +64°F to +72°F during the day. Prepare for more rain. Average rainfall goes from 94 mm to 113 mm. Humidity rises from 71% to 75%. The average wind speed doesn’t change much during May, staying around 1 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.

June brings much the same weather, it remains ok.

Wind

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

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

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

Rain

Amount of rainfall in mm during May in Banja Luka based on historical data.
Last Year
Historical Data
Typically, there is a 65% chance of rain on an average day in May, with total rainfall of approximately 194 mm. The maximum amount of rainfall per day is around 20 mm, which is considered light rain. May is a pretty wet month with over 20 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
May is one of the rainiest months in Banja Luka, here is a comparison with other months, 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.

How was the weather last May in Banja Luka?

This is the weather in Banja Luka in May 2023:
1 May
☁️
+70°F
2 May
🌧️
+62°F
3 May
🌧️
+61°F
4 May
🌧️
+65°F
5 May
☁️
+74°F
6 May
☀️
+79°F
7 May
☁️
+79°F
8 May
☁️
+61°F
9 May
☁️
+63°F
10 May
🌧️
+64°F
11 May
🌧️
+61°F
12 May
🌧️
+65°F
13 May
☁️
+66°F
14 May
🌧️
+66°F
15 May
🌧️
+64°F
16 May
🌧️
+66°F
17 May
🌧️
+61°F
18 May
☁️
+55°F
19 May
☁️
+66°F
20 May
☁️
+74°F
21 May
☀️
+77°F
22 May
☀️
+79°F
23 May
☀️
+82°F
24 May
☁️
+74°F
25 May
☀️
+76°F
26 May
🌧️
+75°F
27 May
🌧️
+70°F
28 May
🌧️
+74°F
29 May
🌧️
+72°F
30 May
🌧️
+70°F
31 May
🌧️
+69°F
In May 2023 Banja Luka had 5 sunny days, 10 cloudy days, and 16 rainy days. The average maximum temperature was +70°F, with an absolute maximum of +82°F and a minimum of +55°F. The average humidity was 85%, with a maximum of 100% and a minimum of 37%. The average wind speed was 1 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Banja Luka climate has changed over the last 43 years.

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

The average temperature was the lowest in 1996 (+59°F) and the highest in 2022 (+67°F). 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 May:

Is May a good time to visit Banja Luka?

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

Can you sunbathe in Banja Luka in May?

May has mild temperatures in Banja Luka. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Banja Luka rainy in May?

Banja Luka is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Banja Luka in May?

Usually, it’s not very sunny in Banja Luka in May, 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.