Mostar weather in July
In July, Mostar sees average daytime highs of 29°C and overnight lows near 17°C, with 45 mm of rain across 6.8 wet days and about 14.9 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 70% of the time in July, and the air most often feels comfortable.
Daylight stretches from about 15 h 12 min at the start of July to 14 h 30 min by month's end. Set against the rest of the year, July is Mostar's 2nd-clearest and 7th-windiest month. For the whole year in context, see Mostar's year-round climate.
- Daytime high
- 29°
- 2nd warmest
- Overnight low
- 17°
- 11th coldest
- Rainfall
- 45 mm
- 6.8 wet days
- Daylight
- 14 h 54 min
- 4:27 AM – 7:22 PM
- Cloud cover
- 30%
- 2nd clearest
- Wind
- 6 km/h
- 7th windiest
- Solar energy
- 6.79 kWh/m²
- Travel score
- 6.2
- out of 10
Mostar is town in Bosnia and Herzegovina.
- Density
- 89/km²
- people per km²
- Founded
- 1452
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Highs climb over the month, from about 28°C in the first days to 30°C by the end.
A typical July day in Mostar reaches about 29°C in the afternoon and slips back to 17°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 16 |
| 2 | 28 | 16 |
| 3 | 28 | 16 |
| 4 | 29 | 16 |
| 5 | 29 | 16 |
| 6 | 29 | 16 |
| 7 | 29 | 16 |
| 8 | 29 | 16 |
| 9 | 29 | 16 |
| 10 | 29 | 16 |
| 11 | 29 | 16 |
| 12 | 29 | 16 |
| 13 | 29 | 16 |
| 14 | 29 | 16 |
| 15 | 29 | 16 |
| 16 | 29 | 16 |
| 17 | 29 | 16 |
| 18 | 30 | 17 |
| 19 | 30 | 17 |
| 20 | 30 | 17 |
| 21 | 30 | 17 |
| 22 | 30 | 17 |
| 23 | 30 | 17 |
| 24 | 30 | 17 |
| 25 | 30 | 17 |
| 26 | 30 | 17 |
| 27 | 30 | 17 |
| 28 | 30 | 17 |
| 29 | 30 | 17 |
| 30 | 30 | 17 |
| 31 | 30 | 17 |
How July really feels in Mostar
Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mostar weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / -1° | 139 | 11.1 | 4.3 | 9.2 | 1.0 |
| Feb | 9° / -0° | 134 | 10.9 | 5 | 10.2 | 1.6 |
| Mar | 13° / 3° | 133 | 11.8 | 3.3 | 11.6 | 3.4 |
| Apr | 17° / 6° | 147 | 13.1 | 1.3 | 13.2 | 4.9 |
| May | 22° / 10° | 109 | 12.4 | 0 | 14.5 | 6.3 |
| Jun | 26° / 14° | 72 | 9.8 | 0 | 15.2 | 6.9 |
| Jul | 29° / 17° | 45 | 6.8 | 0 | 14.9 | 6.2 |
| Aug | 30° / 17° | 53 | 6.6 | 0 | 13.8 | 6.0 |
| Sep | 24° / 13° | 135 | 9.1 | 0 | 12.3 | 7.1 |
| Oct | 19° / 8° | 180 | 10.8 | 0.4 | 10.8 | 6.0 |
| Nov | 13° / 4° | 222 | 13.2 | 1.8 | 9.5 | 3.4 |
| Dec | 8° / 0° | 191 | 12.5 | 3.6 | 8.8 | 1.4 |
Cloud cover in July
The sky is clear or mostly clear about 70% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 15%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 84 | 84 | 84 | 85 | 86 | 86 | 86 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 85 | 85 | 85 | 84 | 84 | 84 | 84 | 83 | 83 | 84 | 84 | 84 |
| Cloudier (%) | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 16 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 84 | 16 |
| 2 | 84 | 16 |
| 3 | 84 | 16 |
| 4 | 85 | 15 |
| 5 | 86 | 14 |
| 6 | 86 | 14 |
| 7 | 86 | 14 |
| 8 | 86 | 14 |
| 9 | 86 | 14 |
| 10 | 86 | 14 |
| 11 | 87 | 13 |
| 12 | 87 | 13 |
| 13 | 87 | 13 |
| 14 | 87 | 13 |
| 15 | 87 | 13 |
| 16 | 87 | 13 |
| 17 | 86 | 14 |
| 18 | 86 | 14 |
| 19 | 86 | 14 |
| 20 | 85 | 15 |
| 21 | 85 | 15 |
| 22 | 85 | 15 |
| 23 | 84 | 16 |
| 24 | 84 | 16 |
| 25 | 84 | 16 |
| 26 | 84 | 16 |
| 27 | 83 | 17 |
| 28 | 83 | 17 |
| 29 | 84 | 16 |
| 30 | 84 | 16 |
| 31 | 84 | 16 |
Chance of precipitation in July
Mostar gets around 45 mm of rain over 6.8 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 22% and peaks near 25% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 |
| Rain chance (%) | |
|---|---|
| 1 | 25 |
| 2 | 25 |
| 3 | 25 |
| 4 | 24 |
| 5 | 24 |
| 6 | 24 |
| 7 | 23 |
| 8 | 23 |
| 9 | 22 |
| 10 | 22 |
| 11 | 21 |
| 12 | 21 |
| 13 | 21 |
| 14 | 21 |
| 15 | 20 |
| 16 | 20 |
| 17 | 21 |
| 18 | 21 |
| 19 | 21 |
| 20 | 21 |
| 21 | 21 |
| 22 | 22 |
| 23 | 22 |
| 24 | 22 |
| 25 | 22 |
| 26 | 23 |
| 27 | 23 |
| 28 | 23 |
| 29 | 23 |
| 30 | 23 |
| 31 | 23 |
Humidity in July
Most of July feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 37 | 38 | 38 | 39 | 39 | 39 | 38 | 38 | 37 | 36 | 35 | 33 | 32 | 30 | 29 | 27 | 26 | 24 | 23 | 22 | 22 |
| Comfortable (%) | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 46 | 47 | 48 | 48 | 49 | 49 | 49 | 50 |
| Humid (%) | 24 | 24 | 23 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 19 | 20 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 26 | 27 | 27 | 28 |
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 33 | 42 | 24 | 1 |
| 2 | 33 | 42 | 24 | 1 |
| 3 | 33 | 43 | 23 | 1 |
| 4 | 33 | 43 | 23 | 1 |
| 5 | 33 | 44 | 23 | 1 |
| 6 | 34 | 44 | 22 | 1 |
| 7 | 34 | 44 | 21 | 1 |
| 8 | 35 | 44 | 21 | 1 |
| 9 | 35 | 44 | 20 | 1 |
| 10 | 36 | 44 | 19 | 1 |
| 11 | 37 | 44 | 18 | 1 |
| 12 | 38 | 44 | 17 | 1 |
| 13 | 38 | 44 | 17 | 1 |
| 14 | 39 | 44 | 16 | 1 |
| 15 | 39 | 44 | 16 | 1 |
| 16 | 39 | 44 | 17 | 1 |
| 17 | 38 | 44 | 17 | 1 |
| 18 | 38 | 44 | 18 | 1 |
| 19 | 37 | 44 | 19 | 1 |
| 20 | 36 | 44 | 20 | 1 |
| 21 | 35 | 44 | 20 | 1 |
| 22 | 33 | 45 | 21 | 1 |
| 23 | 32 | 45 | 22 | 0 |
| 24 | 30 | 46 | 23 | 0 |
| 25 | 29 | 47 | 24 | 0 |
| 26 | 27 | 48 | 25 | 0 |
| 27 | 26 | 48 | 26 | 1 |
| 28 | 24 | 49 | 26 | 1 |
| 29 | 23 | 49 | 27 | 1 |
| 30 | 22 | 49 | 27 | 1 |
| 31 | 22 | 50 | 28 | 1 |
Wind in July
Winds average 6 km/h in July.
Across July, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in July
Daylight runs from about 15 h 12 min at the start of July to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over July. Sunrise moves from 4:17 AM to 4:41 AM, and sunset from 7:27 PM to 7:08 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 |
| Sunrise (AM) | 4:17 | 4:17 | 4:18 | 4:18 | 4:19 | 4:19 | 4:20 | 4:21 | 4:21 | 4:22 | 4:23 | 4:24 | 4:24 | 4:25 | 4:26 | 4:27 | 4:28 | 4:29 | 4:29 | 4:30 | 4:31 | 4:32 | 4:33 | 4:34 | 4:35 | 4:36 | 4:37 | 4:38 | 4:39 | 4:40 | 4:41 |
| Sunset (PM) | 7:27 | 7:27 | 7:27 | 7:27 | 7:27 | 7:27 | 7:26 | 7:26 | 7:26 | 7:25 | 7:25 | 7:24 | 7:24 | 7:23 | 7:23 | 7:22 | 7:21 | 7:21 | 7:20 | 7:19 | 7:18 | 7:17 | 7:17 | 7:16 | 7:15 | 7:14 | 7:13 | 7:12 | 7:11 | 7:10 | 7:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.2 | 4:17 | 7:27 |
| 2 | 15.2 | 4:17 | 7:27 |
| 3 | 15.2 | 4:18 | 7:27 |
| 4 | 15.1 | 4:18 | 7:27 |
| 5 | 15.1 | 4:19 | 7:27 |
| 6 | 15.1 | 4:19 | 7:27 |
| 7 | 15.1 | 4:20 | 7:26 |
| 8 | 15.1 | 4:21 | 7:26 |
| 9 | 15.1 | 4:21 | 7:26 |
| 10 | 15.0 | 4:22 | 7:25 |
| 11 | 15.0 | 4:23 | 7:25 |
| 12 | 15.0 | 4:24 | 7:24 |
| 13 | 15.0 | 4:24 | 7:24 |
| 14 | 15.0 | 4:25 | 7:23 |
| 15 | 14.9 | 4:26 | 7:23 |
| 16 | 14.9 | 4:27 | 7:22 |
| 17 | 14.9 | 4:28 | 7:21 |
| 18 | 14.9 | 4:29 | 7:21 |
| 19 | 14.8 | 4:29 | 7:20 |
| 20 | 14.8 | 4:30 | 7:19 |
| 21 | 14.8 | 4:31 | 7:18 |
| 22 | 14.8 | 4:32 | 7:17 |
| 23 | 14.7 | 4:33 | 7:17 |
| 24 | 14.7 | 4:34 | 7:16 |
| 25 | 14.7 | 4:35 | 7:15 |
| 26 | 14.6 | 4:36 | 7:14 |
| 27 | 14.6 | 4:37 | 7:13 |
| 28 | 14.6 | 4:38 | 7:12 |
| 29 | 14.5 | 4:39 | 7:11 |
| 30 | 14.5 | 4:40 | 7:10 |
| 31 | 14.5 | 4:41 | 7:08 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.79 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.79 kWh/m² in July across the year — July's 6.79 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.0 | Intense |
| 2 | 7.0 | Intense |
| 3 | 7.0 | Intense |
| 4 | 7.0 | Intense |
| 5 | 7.0 | Intense |
| 6 | 7.0 | Intense |
| 7 | 7.0 | Intense |
| 8 | 7.0 | Intense |
| 9 | 6.9 | Intense |
| 10 | 6.9 | Intense |
| 11 | 6.9 | Intense |
| 12 | 6.9 | Intense |
| 13 | 6.9 | Intense |
| 14 | 6.9 | Intense |
| 15 | 6.9 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.8 | Intense |
| 20 | 6.7 | Intense |
| 21 | 6.7 | Intense |
| 22 | 6.7 | Intense |
| 23 | 6.7 | Intense |
| 24 | 6.6 | Intense |
| 25 | 6.6 | Intense |
| 26 | 6.5 | Intense |
| 27 | 6.5 | Intense |
| 28 | 6.5 | Intense |
| 29 | 6.5 | Intense |
| 30 | 6.5 | Intense |
| 31 | 6.4 | Intense |
Is July a good time to visit Mostar?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Mostar for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mostar in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Mostar sees daytime highs around 29°C and nights near 17°C. Pack light clothes and sun protection. About 7 days see rain.
Sea temperature near Mostar in July
The nearest coast averages about 24°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 60 km away) is warmest in August at about 25°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 1 to Oct 29 — about 5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 13 | 15 | 18 | 22 | 24 | 25 | 23 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Bracing |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Mostar in July
Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mostar peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 7 | 7 | 9 | 9 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 7 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Mostar in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Mostar is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 10 | 12 | 16 | 13 | 12 | 11 | 16 | 8 | 7 | 7 | 6 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Good | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 10 | Good |
| Mar | 12 | Good |
| Apr | 16 | Moderate |
| May | 13 | Moderate |
| Jun | 12 | Moderate |
| Jul | 11 | Good |
| Aug | 16 | Moderate |
| Sep | 8 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Mostar?
Mostar sits at 43.3°N, 17.8°E, 66 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Međugorje, 20 km away.
Topography around Mostar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mostar.
Within 3 km, the terrain around Mostar has large variations in elevation — a maximum elevation change of 661 m around an average of 217 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,873 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,364 m.
The land around Mostar is covered by trees (35%), shrubs (26%) and artificial surfaces (23%) within 3 km, trees (50%) and grassland (28%) within 16 km, and trees (52%) and grassland (24%) within 80 km.
Bosnia and Herzegovina travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 40% of US
- price level, 2025
- GDP per capita
- $10,382
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 86%
- of population, 2024
- Homicide rate
- 1.2
- per 100k, 2023
- Road deaths
- 13.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 591
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mostar (43.3433°, 17.8081°, elevation 66 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).