Zagreb weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: April – September
What is the weather like in Zagreb in August?
In August, Zagreb is hot: daytime highs average 28 °C, and nights cool down to about 18 °C. The sun shines for around 9 hours a day. Rain is frequent, with about 9 rainy days and 73 mm in total. On about 9 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Zagreb.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 82 | 85 | 77 |
| Day | 28° | 28° | 22° |
| Night | 18° | 18° | 13° |
| Sun | 10 h | 9 h | 6 h |
| Rain days | 10 | 9 | 10 |
More details for August
- Daylight
- 14 h 12 min05:55 – 20:07
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 5 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 44 %on averageAll months
- Hot days
- 9 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Zagreb
How the score comes together
- Temperatureweight 50 %94 %
- Sunshineweight 20 %97 %
- Few rainy daysweight 30 %63 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Rain jacket or umbrella
Zagreb in August: quick answers
Is Zagreb hot in August?
Yes. In August, Zagreb is hot: daytime highs average 28 °C and nights stay around 18 °C. On about 9 days the thermometer climbs to 30 °C or more.
Does it rain much in Zagreb in August?
Rain is frequent, with about 9 rainy days and 73 mm in total.
Zagreb month by month
The whole year in ZagrebAll destinations: CroatiaWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences