Climate averages 1991–2020
Mostar weather
in January.
A cool, wet month: the coolest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Mostar: daytime highs average 8.1°C and nights cool to about -0.2°C. By daytime temperature it is the coolest month of the year.
Expect about 138 mm of rain on roughly 11 days, which makes January a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 22 min on an average January day.
The nearest other city in this atlas is Ilidža (68 km away). In January its highs average 4.6°C, 3.5°C cooler than Mostar, with 83 mm of rain.
Among the 7 cities listed in Bosnia and Herzegovina, Mostar ranks 1st of 7 for the warmest January highs and 7th of 7 for the driest January (rainfall, lowest first). The mean January high of those 7 cities is 5.5°C; Mostar is 2.6°C warmer than that mean.
From January to February, average highs rise by 1.2°C to 9.3°C, and monthly rainfall falls from 138 mm to 136 mm.
The annual picture
January 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
Mostar climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 8.1°C-0.2°C | -0.2°C | 138 | 11.1 | 9.49 h |
| February | 9.3°C0.0°C | 0.0°C | 136 | 11.0 | 10.510 h |
| March | 13.1°C3.0°C | 3.0°C | 133 | 11.7 | 11.912 h |
| April | 17.4°C6.7°C | 6.7°C | 147 | 13.1 | 13.413 h |
| May | 22.1°C11.1°C | 11.1°C | 109 | 12.4 | 14.715 h |
| June | 26.5°C15.1°C | 15.1°C | 72 | 9.7 | 15.315 h |
| July | 29.6°C17.5°C | 17.5°C | 45 | 6.8 | 15.115 h |
| August | 30.2°C17.9°C | 17.9°C | 53 | 6.6 | 14.014 h |
| September | 24.2°C13.8°C | 13.8°C | 135 | 9.1 | 12.513 h |
| October | 19.2°C9.6°C | 9.6°C | 180 | 10.8 | 11.111 h |
| November | 13.8°C5.5°C | 5.5°C | 222 | 13.2 | 9.710 h |
| December | 9.0°C1.0°C | 1.0°C | 191 | 12.5 | 9.09 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
January in nearby cities
- Ilidža in JanuaryBosnia and Herzegovina · 68 kmHigh 4.6°C · Low -2.9°C · 83 mm rain
- Sarajevo in JanuaryBosnia and Herzegovina · 71 kmHigh 4.5°C · Low -3.3°C · 83 mm rain
- Zenica in JanuaryBosnia and Herzegovina · 96 kmHigh 5.2°C · Low -2.7°C · 76 mm rain
- Split in JanuaryCroatia · 112 kmHigh 10.0°C · Low 3.8°C · 121 mm rain
- Tuzla in JanuaryBosnia and Herzegovina · 150 kmHigh 5.0°C · Low -3.5°C · 67 mm rain
- Podgorica in JanuaryMontenegro · 155 kmHigh 8.5°C · Low 0.1°C · 180 mm rain
- Banja Luka in JanuaryBosnia and Herzegovina · 167 kmHigh 5.3°C · Low -2.8°C · 70 mm rain
- Shkodër in JanuaryAlbania · 199 kmHigh 9.0°C · Low 1.7°C · 166 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 Mostar) is explained once on the Mostar year overview and on the Sources, method and limits page.