In general the best time to visit Zagreb is probably August, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
The best time to visit may differ depending on what you are looking for:
The best time for a sun tanning holiday is June, July, August. Average maximum temperatures are up to +81°F in August and it has 13 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during May - September.
If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Zagreb in different months
This is the average weather in Zagreb for each month based on historic data:
March, April, May, June, July, August usually has good weather. Average maximum temperature reaches +81°F during July.
In January, February, September, October, November the weather is average. Expect around 42 rainy days, and the precipitation amounts to approximately 89 mm in September.
December bring not the best weather. December is the coldest month with the temperature going down to +30°F.
Climate in Zagreb
Here is the detailed breakdown of the climate in Zagreb for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+66°F
+72°F
+79°F
+84°F
+91°F
+97°F
+102°F
+102°F
+91°F
+82°F
+73°F
+68°F
Average Maximum Temperature
+39°F
+45°F
+54°F
+63°F
+70°F
+77°F
+81°F
+81°F
+72°F
+63°F
+50°F
+41°F
Minimum Temperature
-9°F
-9°F
+3°F
+23°F
+36°F
+41°F
+46°F
+43°F
+34°F
+23°F
+7°F
-4°F
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
83
77
69
67
69
70
69
71
77
82
85
86
Rain, mm
29
33
51
68
87
86
79
78
89
76
72
50
Snow, mm
21
21
8
2
0
0
0
0
0
0
13
20
Average wind speed, m/s
1
2
2
2
2
1
1
1
1
1
1
1
Sunny Days
5
7
9
9
8
9
12
13
11
8
5
4
Cloud Days
14
10
8
5
4
3
3
3
5
11
13
14
Rainy Days
5
6
10
14
14
11
9
9
11
10
10
7
Snowy Days
7
5
3
1
0
0
0
0
0
0
2
5
Average Temperature
Here are the average maximum and minimum temperatures in Zagreb during the whole year:
The hottest month in Zagreb is August with average maximum temperature going up to +81°F. The coldest month is January with the lowest temperatures of +28°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Zagreb looks throughout the year, in %:
The most humid month in Zagreb is December with average humidity going up to 86%. The least humid month is April with an average humidity of 67%.
Rain
Amount of rainfall in mm. in Zagreb during the whole year based on historical data:
The sunniest and driest month is August with approximately 13 sunny days and a total precipitation of around 78 mm. The rainiest and wettest month is September with approximately 11 rainy days and 89 mm of total precipitation.
Snow
Amount of snow in mm. in Zagreb during the whole year based on historical data:
The snowiest month is February with approximately 5 snowy days.
FAQ
Frequently asked questions about the weather in Zagreb:
What is the hottest month in Zagreb?
The hottest month in Zagreb is August with average maximum temperature of +81°F.
What is the coldest month in Zagreb?
The coldest month in Zagreb is January with minimum temperatures of +28°F.
Is Zagreb worth visiting in winter?
Winter in Zagreb could be a good time to visit, as the weather is generally ok.
When does it rain the least in Zagreb?
if you're looking to visit Zagreb when it rains the least, you should plan your trip for September, May, June. During this time, rainfall is rare with the driest month being January with only 29 mm of rain.
Other cities in Croatia
Check out the weather for other cities in Croatia.
For this page, we’ve looked at the typical weather in Zagreb, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.