Zagreb
Croatia
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Zagreb, Croatia

The iconic buildings of the cathedral in Zagreb, Croatia, in an early autumn morning
The iconic buildings of the cathedral in Zagreb, Croatia, in an early autumn morning
August is high summer in Zagreb with the average temperatures in the modest 14.4°C (57.9°F) to 26.1°C (79°F) range. August nights are comfortable as the temperatures mostly stay below 15.6°C (60.1°F), and the humidity is moderate.
The precipitation measures up to 91.4mm (3.6") during the month and is heavy at times with an afternoon thunderstorm once every 3-4 days. The skies are mostly bright except during the wet spells, but crowds throng everywhere as the weather is temperate.
Light summer clothing suits the conditions in August, but an umbrella is convenient to take care of the rain.

What is the temperature in August in Zagreb?

In Zagreb, Croatia, in August, the average high-temperature is 26.3°C (79.3°F), and the average low-temperature is 14.4°C (57.9°F).

What is the average humidity in August in Zagreb?

In Zagreb, the average relative humidity in August is 72.1%.

How much does it rain in Zagreb in August?

In Zagreb, Croatia, in August, during 10.4 rainfall days, 92.3mm (3.63") of precipitation is typically accumulated.

When it does not snow in Zagreb?

In Zagreb, Croatia, snow does not fall in May through October.

How many hours of daylight does Zagreb have in August?

In August, the average length of the day in Zagreb is 14.1h.

How long on average sun shines in August in Zagreb?

In Zagreb, the average sunshine in August is 8.3h.

What is the UV index reading in August in Zagreb?

The average daily maximum UV index in August in Zagreb, Croatia, is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in August - Zagreb, Croatia
  • Average high temperature in August: 26.3°C

The warmest month (with the highest average high temperature) is July (26.7°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in August: 14.4°C

The month with the highest average low temperature is July (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average humidity in August - Zagreb, Croatia
  • Average humidity in August: 72.1%

The month with the highest relative humidity is December (84.8%).
The month with the lowest relative humidity is April (67.5%).

Average rainfall in August - Zagreb, Croatia
  • Average rainfall in August: 92.3mm

The wettest month (with the highest rainfall) is June (95.3mm).
The driest month (with the lowest rainfall) is February (38.9mm).

Average rainfall days in August - Zagreb, Croatia
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is June (13.7 days).
The month with the lowest number of rainy days is February (9.4 days).

Average snowfall days in August - Zagreb, Croatia
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.3 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Zagreb, Croatia
  • Average daylight in August: 14.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

  • Average sunshine in August: 8.3h

The month with most sunshine is July (Average sunshine: 8.9h).
The month with least sunshine is December (Average sunshine: 1.6h).

Average UV index in August - Zagreb, Croatia
  • Average UV index in August: 7

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).