Banja Luka Climate by Month
Banja Luka, Srpska, Bosnia and Herzegovina
Warm summers and cold winters, with rain spread through the year.
Banja Luka has warm summers and cold winters, with rain spread through the year. Afternoon highs range from 43°F (6°C) in January to 85°F (29°C) in August, and January nights average 28°F (-2°C). About 41 in (1047 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 85°F(29°C)
- Average high, August
- Coldest nights
- 28°F(-2°C)
- Average low, January
- Rain per year
- 41 in(1047 mm)
- No clear rainy season
- Humidity
- 71%
- Sunniest: July
Best and worst months in Banja Luka
Best for weatherMay and September are the best time for weather in Banja Luka: highs near 74°F (23°C) and about 4.3 in (110 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 44°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Banja Luka weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 43°F(6°C) | 28°F(-2°C) | 2.7 in(69 mm) | 72% | 1.3 |
| FebFebruary | 47°F(8°C) | 30°F(-1°C) | 2.5 in(64 mm) | 76% | 2.0 |
| MarMarch | 56°F(14°C) | 36°F(2°C) | 3.1 in(78 mm) | 65% | 3.1 |
| AprApril | 66°F(19°C) | 43°F(6°C) | 3.4 in(86 mm) | 62% | 4.6 |
| MayMayBest | 74°F(23°C) | 50°F(10°C) | 4.4 in(112 mm) | 69% | 5.7 |
| JunJune | 80°F(27°C) | 57°F(14°C) | 3.9 in(100 mm) | 67% | 6.4 |
| JulJuly | 84°F(29°C) | 60°F(16°C) | 3.7 in(93 mm) | 63% | 6.7 |
| AugAugust | 85°F(29°C) | 59°F(15°C) | 3.0 in(75 mm) | 64% | 5.9 |
| SepSeptemberBest | 75°F(24°C) | 51°F(11°C) | 4.3 in(108 mm) | 71% | 4.1 |
| OctOctober | 66°F(19°C) | 45°F(7°C) | 3.3 in(84 mm) | 74% | 2.7 |
| NovNovember | 55°F(13°C) | 38°F(4°C) | 3.6 in(92 mm) | 84% | 1.5 |
| DecDecember | 44°F(7°C) | 31°F(-1°C) | 3.4 in(86 mm) | 79% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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