August weather forecastZagreb, Croatia

August
Weather in August
While August in Zagreb sees a slight dip from July's peak temperatures, it still comfortably retains its summer charm. With similar conditions to the preceding month, the climate remains dry with a slightly elevated level of humidity. Rainfall rises due to the approaching autumn season. September ushers a change in the weather, with reduced temperature and slightly higher rainfall. Still, August's persistent summer warmth makes it an enticing time for enjoying outdoor activities in Zagreb.Temperature
Zagreb's average high-temperature in August sits at a still warm 26.3°C (79.3°F), showing little difference from the previous month. Zagreb's nights in August cool down to an average low-temperature of 14.4°C (57.9°F).Humidity
The average relative humidity in August in Zagreb is 72.1%.Rainfall
In Zagreb, in August, during 10.4 rainfall days, 92mm (3.62") of precipitation is typically accumulated. Throughout the year, in Zagreb, there are 135.6 rainfall days, and 840mm (33.07") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Zagreb.Daylight
In Zagreb, Croatia, the average length of the day in August is 14h and 5min.On the first day of August, sunrise is at 05:39 and sunset at 20:25. On the last day of the month, sunrise is at 06:16 and sunset at 19:36 CEST.
Sunshine
In August, the average sunshine in Zagreb, Croatia, is 8.3h.UV index
In Zagreb, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 in August converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 least 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 least 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).
The months with the least 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: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 8h and 18min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average UV index in August
Zagreb, Croatia
- Average UV index in August: 7
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).





