Jajce in Summer
In summer (June, July and August), Jajce sees average daytime highs around 23°C and overnight lows near 12°C, with 222 mm of rain over about 34 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 20°C in early June to 23°C by late August. The sky is clear or mostly clear about 45% of the time across summer, and the air most often feels dry.
Summer is Jajce's best season of the year to visit on our travel score. For the whole year in context, see Jajce's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 222 mm
- 34 wet days
- Avg wind
- 6 km/h
- Travel score
- 6.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Jajce in Summer
Over the season highs climb from about 20°C in early June to 23°C by late August.
A typical summer day in Jajce reaches about 23°C and drops to 12°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Jajce
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Jajce weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / -4° | 82 | 11.7 | 9.8 | 9 | 0.0 |
| Feb | 5° / -4° | 80 | 11.7 | 9.4 | 10.2 | 0.1 |
| Mar | 9° / -1° | 86 | 12.7 | 7.6 | 11.6 | 1.5 |
| Apr | 14° / 4° | 101 | 14 | 3.4 | 13.2 | 3.5 |
| May | 18° / 8° | 113 | 14.9 | 0.5 | 14.6 | 5.2 |
| Jun | 22° / 11° | 85 | 12.5 | 0 | 15.3 | 6.3 |
| Jul | 24° / 13° | 76 | 11.3 | 0 | 15 | 7.1 |
| Aug | 24° / 13° | 62 | 9.9 | 0 | 13.8 | 7.2 |
| Sep | 19° / 9° | 90 | 11.1 | 0.1 | 12.3 | 6.0 |
| Oct | 15° / 5° | 74 | 9.3 | 1.3 | 10.8 | 4.7 |
| Nov | 9° / 1° | 91 | 10.7 | 4.9 | 9.4 | 2.0 |
| Dec | 4° / -3° | 98 | 12.3 | 8.5 | 8.7 | 0.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 45% of the time across summer.
Chance of precipitation in Summer
Jajce gets around 222 mm of rain over 34 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 06 min in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.8 kWh/m².
Is summer a good time to visit Jajce?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Jajce for sightseeing.
What to pack for Jajce in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Jajce sees daytime highs around 23°C and nights near 12°C. Pack sun protection. Worth having: light clothes and rain gear. About 34 days see rain.
UV index in Jajce in Summer
Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Jajce peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 2 | 5 | 7 | 7 | 9 | 9 | 8 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Jajce?
Jajce sits at 44.3°N, 17.3°E, 0 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Travnik, 34 km away.
Topography around Jajce
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jajce.
Within 3 km, the terrain around Jajce has significant variations in elevation — a maximum elevation change of 584 m around an average of 549 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,206 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,995 m.
The land around Jajce is covered by trees (68%) and grassland (26%) within 3 km, trees (79%) and grassland (20%) within 16 km, and trees (67%) and grassland (27%) 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 Jajce (44.342°, 17.2706°, elevation 0 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.