Skip to content
WeatherCompare

Monthly climate guide

Zagreb weather in August

Expect hot weather in Zagreb in August: afternoons reach about 30°C (85°F), while nights drop to around 17°C (62°F). Around 65 mm of rain falls over the month (some rain), and skies are a mix of sun and cloud. Daytime highs are about the same as July and 6°C warmer than September.

What stands out in August

  • Temperatures are falling — expect highs around 6°C lower by September.
  • In Zagreb, August is late summer.
  • Evenings cool off sharply: the daily range is around 13°C, so pack a layer.
  • It's one of the sunniest months here, with cloud cover around 43%.

August is typically Zagreb's warmest month.

Avg high

30°C

85°F

Avg low

17°C

62°F

Rainfall

65 mm

some rain

Humidity

59%

relative

Sky

43%

cloud · a mix of sun and cloud

Zagreb weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Zagreb
MonthAvg highAvg lowRainHumidityCloud cover
January4°C / 39°F-3°C / 27°F51 mm92%74%
February5°C / 42°F-2°C / 28°F72 mm89%75%
March11°C / 53°F1°C / 34°F51 mm81%63%
April17°C / 63°F6°C / 42°F49 mm75%64%
May21°C / 69°F10°C / 50°F104 mm74%66%
June26°C / 79°F15°C / 59°F83 mm69%56%
July29°C / 84°F17°C / 63°F82 mm62%49%
August30°C / 85°F17°C / 62°F65 mm59%43%
September24°C / 74°F12°C / 54°F105 mm70%58%
October17°C / 63°F7°C / 44°F92 mm82%65%
November10°C / 50°F3°C / 37°F83 mm90%75%
December5°C / 41°F-1°C / 30°F59 mm92%70%

What to pack for August

  • Light, breathable clothing (cotton or linen)
  • A sun hat and high-SPF sunscreen
  • A refillable water bottle
  • An extra layer — evenings are noticeably cooler than afternoons
  • A small travel umbrella, just in case
Full season-by-season packing guide →

Is August a good time to visit Zagreb?

Compare the months in the chart above to find your ideal window.

Best time to visit Zagreb →

Other Croatia cities in August

Cite or embed this data

Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.

Citation
Zagreb weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/croatia/zagreb/august
HTML link
<a href="https://weathercompare.eu/weather/croatia/zagreb/august">Zagreb weather in August</a> (WeatherCompare)
Embed widget
<iframe src="https://weathercompare.eu/embed/croatia/zagreb" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Zagreb weather in August"></iframe>
<p style="font-size:12px"><a href="https://weathercompare.eu/weather/croatia/zagreb/august">Zagreb weather in August</a> – WeatherCompare</p>

Zagreb in August: quick answers

Is August a good time to visit Zagreb?

August is a reasonable time for Zagreb: highs around 30°C and about 65 mm of rain, though not one of the three best months.

How warm is Zagreb in August?

Average highs are about 30°C (85°F) and average lows about 17°C (62°F), based on 10 years of daily data.

Does it rain a lot in Zagreb in August?

Zagreb typically gets around 65 mm of rain in August — some rain.

Figures are long-term averages for the area around Zagreb (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.