Weather by month for Banja Luka, the best months to go and how Bosnia and Herzegovina's regions differ, scored from 10 years of climate data.
Apr, Jun, Sep, Oct
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 18°C to 26°C · 9–12 rain days
May, Jul, Aug
Still good weather, just not quite the top months.
Highs 21°C to 29°C · 9–16 rain days
Jan, Feb, Dec
The weakest weather of the year: too hot, too cold or too wet.
Highs 7°C to 10°C · 10–12 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| January | 7°C / -2°C | 12 days (82 mm) | 5.5 h/day | 2.1/10 |
| February | 10°C / 1°C | 10 days (77 mm) | 6.5 h/day | 3.8/10 |
| March | 13°C / 3°C | 11 days (77 mm) | 8.2 h/day | 5.4/10 |
| Best month: April | 18°C / 6°C | 11 days (78 mm) | 9.6 h/day | 7.6/10 |
| May | 21°C / 11°C | 16 days (129 mm) | 10.2 h/day | 7.0/10 |
| Best month: June | 26°C / 15°C | 12 days (92 mm) | 12.1 h/day | 7.5/10 |
| July | 29°C / 17°C | 9 days (75 mm) | 12.7 h/day | 6.7/10 |
| August | 29°C / 17°C | 9 days (63 mm) | 11.8 h/day | 6.0/10 |
| Best month: September | 23°C / 13°C | 10 days (91 mm) | 9.4 h/day | 8.1/10 |
| Best month: October | 19°C / 9°C | 9 days (76 mm) | 8.0 h/day | 8.3/10 |
| November | 13°C / 4°C | 11 days (101 mm) | 5.4 h/day | 4.5/10 |
| December | 8°C / 1°C | 10 days (94 mm) | 5.2 h/day | 2.5/10 |
Figures for Banja Luka; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
7°C / -2°C · 12 rain days · 5.5 h sun
Banja Luka sees a high of just 6.9°C and a low of -1.5°C in January, with rain or snow falling on about 11.5 days. Sun hours are low at 5.5, making days feel short and grey. This is a tough month weather-wise, reflected in the low score of 2.1. New Year's Day falls on 1 and 2 January, so expect quiet towns and closed shops.
10°C / 1°C · 10 rain days · 6.5 h sun
Temperatures rise slightly to a high of 10.4°C, though nights stay cold at 0.9°C. Rain days drop a little to 10.2, and sun hours edge up to 6.5. The score of 3.8 shows this remains a cold, grey month with limited outdoor appeal.
13°C / 3°C · 11 rain days · 8.2 h sun
Highs reach 13.3°C and sun hours climb to 8.2, giving a real sense of spring arriving. Rain days hold steady at 11.2. With a score of 5.4, March is an okay time to visit as the cold eases but weather can still be unsettled.
18°C / 6°C · 11 rain days · 9.6 h sun
April brings a high of 17.7°C, lows of 6.1°C, and 9.6 hours of sun a day. Rain falls on about 11 days but amounts stay moderate at 78mm. This is one of the best months to visit, scoring 7.6, with mild, green conditions ideal for walking and sightseeing.
21°C / 11°C · 16 rain days · 10.2 h sun
May is warm, with highs of 21.4°C, but it's also the wettest month, with 129mm of rain spread over nearly 16 days. Sun hours reach 10.2. The score of 7 still marks it as a good month, suited to travellers happy with occasional downpours and lush, green landscapes.
26°C / 15°C · 12 rain days · 12.1 h sun
Summer heat sets in with a high of 26.3°C and lows of 15.4°C. Rain days fall to 11.8 and sun hours jump to 12.1. June scores 7.5, making it one of the best months, with long sunny days balanced by only moderate rainfall.
29°C / 17°C · 9 rain days · 12.7 h sun
July is the hottest month, with highs of 28.9°C and lows of 17.3°C. Rain is less frequent, at just 9.2 days, and sun hours peak at 12.7. The score of 6.7 keeps it a good choice, though the heat can be intense for hiking.
29°C / 17°C · 9 rain days · 11.8 h sun
August stays hot at 28.5°C, with similarly low rainfall of 8.9 days and 63mm, the driest month of the year. Sun hours remain high at 11.8. It scores 6, a good month overall, though midday heat can be demanding.
23°C / 13°C · 10 rain days · 9.4 h sun
September cools to a high of 23.3°C with lows of 12.8°C, and sun hours drop to 9.4. Rain picks up slightly to 91mm over 9.7 days. With a score of 8.1, this is one of the best months, combining warm days with fewer crowds.
19°C / 9°C · 9 rain days · 8.0 h sun
October brings mild highs of 18.7°C and the fewest rain days of the year at 8.6, with 76mm of rainfall. Sun hours fall to 8 as days shorten. It scores highest of all months at 8.3, making it an excellent time for clear, comfortable weather.
13°C / 4°C · 11 rain days · 5.4 h sun
November turns colder, with highs of 12.5°C and lows of 4.1°C. Rain returns, falling on 10.7 days and totalling 101mm, while sun hours drop to 5.4. The score of 4.5 marks it as only an okay month, with damp, greying conditions.
8°C / 1°C · 10 rain days · 5.2 h sun
December is cold and dim, with a high of just 8.4°C and lows near freezing at 0.7°C. Rain or snow falls on about 10.1 days, and sun hours are among the lowest at 5.2. The score of 2.5 reflects tough winter weather, though some travellers come for the quiet, wintry atmosphere.
By trip type
City sightseeing
September and October bring highs of 23 and 19°C with fewer rain days (9.7 and 8.6) than summer, good for walking Sarajevo or Mostar. April and June also work, with highs of 18 and 26°C and rising sun hours, before or after the peak summer heat.
Hiking & nature
September and October suit hiking best. Highs drop to 23 and 19°C, rain days fall to under 10, and sun hours stay above 8, giving cooler trails without the heavy May rain of 129mm.
Events calendar
Keep planning
FAQ
August is a solid choice, scoring 6.0 out of 10. Expect hot days averaging 28.5°C and warm nights near 17.3°C. Rain is rare, with only 8.9 rainy days and 63mm of rainfall, while sunshine runs high at 11.8 hours a day, so the heat is the main thing to plan around.
Yes, October is one of the best months, with a score of 8.3 out of 10. Days average a mild 18.7°C and nights cool to 8.7°C. There are 8.6 rain days and 76mm of rain, plus 8 hours of sun daily, giving comfortable conditions for sightseeing without summer heat.
January scores low, at 2.1 out of 10. Highs reach only 6.9°C and lows drop to -1.5°C, with 11.5 rain days and 82mm of precipitation. Sunshine is limited to 5.5 hours a day. It's cold and damp, which suits winter-weather travellers more than sightseers.
Yes, September scores 8.1 out of 10, among the best months. Daytime highs average 23.3°C and nights cool to 12.8°C. There are 9.7 rain days and 91mm of rain, with 9.4 hours of sunshine, giving warm, comfortable days as summer crowds thin out.
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