Climate averages 1991–2020
Banja Luka weather
in July.
A warm, moderately wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Banja Luka: daytime highs average 27.4°C and nights cool to about 16.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 87 mm of rain on roughly 10 days, which makes July a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 13 min on an average July day.
The nearest other city in this atlas is Zenica (85 km away). In July its highs average 26.5°C, 0.9°C cooler than Banja Luka, with 104 mm of rain.
Among the 7 cities listed in Bosnia and Herzegovina, Banja Luka ranks 2nd of 7 for the warmest July highs and 5th of 7 for the driest July (rainfall, lowest first). The mean July high of those 7 cities is 26.9°C; Banja Luka is 0.5°C warmer than that mean.
From July to August, average highs rise by 0.1°C to 27.5°C, and monthly rainfall falls from 87 mm to 72 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Banja Luka climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.3°C-2.8°C | -2.8°C | 70 | 10.4 | 9.29 h |
| February | 7.4°C-2.1°C | -2.1°C | 70 | 10.4 | 10.410 h |
| March | 12.3°C1.3°C | 1.3°C | 79 | 11.5 | 11.912 h |
| April | 17.1°C5.5°C | 5.5°C | 92 | 12.7 | 13.513 h |
| May | 21.3°C10.1°C | 10.1°C | 112 | 13.5 | 14.815 h |
| June | 25.0°C14.2°C | 14.2°C | 97 | 11.9 | 15.516 h |
| July, selected | 27.4°C16.3°C | 16.3°C | 87 | 10.4 | 15.215 h |
| August | 27.5°C16.3°C | 16.3°C | 72 | 8.8 | 14.114 h |
| September | 22.2°C12.0°C | 12.0°C | 95 | 10.9 | 12.613 h |
| October | 17.4°C7.7°C | 7.7°C | 72 | 9.2 | 11.011 h |
| November | 11.5°C3.2°C | 3.2°C | 85 | 10.2 | 9.610 h |
| December | 6.0°C-1.3°C | -1.3°C | 82 | 11.5 | 8.99 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Zenica in JulyBosnia and Herzegovina · 85 kmHigh 26.5°C · Low 16.5°C · 104 mm rain
- Bihać in JulyBosnia and Herzegovina · 105 kmHigh 27.1°C · Low 16.4°C · 76 mm rain
- Tuzla in JulyBosnia and Herzegovina · 119 kmHigh 26.7°C · Low 16.3°C · 103 mm rain
- Ilidža in JulyBosnia and Herzegovina · 137 kmHigh 25.5°C · Low 15.9°C · 84 mm rain
- Sarajevo in JulyBosnia and Herzegovina · 138 kmHigh 25.5°C · Low 15.5°C · 84 mm rain
- Osijek in JulyCroatia · 145 kmHigh 28.0°C · Low 18.0°C · 63 mm rain
- Zagreb in JulyCroatia · 150 kmHigh 27.5°C · Low 17.2°C · 77 mm rain
- Split in JulyCroatia · 154 kmHigh 28.8°C · Low 20.2°C · 25 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Banja Luka) is explained once on the Banja Luka year overview and on the Sources, method and limits page.