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Zagreb weather by month and the best time to visit

Updated October 2026Sources
Apr–Jun, Sep–OctBest time to visit

When to go to Zagreb

Spring and early autumn are mild and green; Jul–Aug is hot but the city is quiet. Advent in December is busy; Jan–Feb is cold and grey.

Zagreb weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-5°5°15°25°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January3°C37°F-4°C25°F52 mm92%Freezing
February5°C42°F-3°C27°F60 mm89%Cold
March11°C52°F1°C34°F59 mm83%Cool
April17°C62°F6°C43°F62 mm77%Cool
May22°C71°F11°C51°F92 mm74%Pleasant
June26°C79°F15°C59°F86 mm69%Pleasant
July29°C85°F17°C63°F82 mm63%Pleasant
August29°C84°F17°C62°F83 mm62%Pleasant
September23°C73°F12°C53°F106 mm71%Pleasant
October17°C62°F6°C44°F83 mm82%Cool
November10°C50°F2°C36°F80 mm90%Cold
December4°C39°F-2°C28°F63 mm92%Cold

Best months across Croatia

PlaceBest monthsWarmest month
SplitMay–Jun, Sep–OctAug (30°C)
DubrovnikMay–Jun, Sep–OctAug (29°C)
ZagrebApr–Jun, Sep–OctJul (29°C)
HvarMay–Jun, SepAug (27°C)
ZadarMay–Jun, Sep–OctAug (28°C)
PulaMay–Jun, Sep–OctAug (28°C)
RovinjMay–Jun, Sep–OctAug (28°C)
MakarskaMay–Jun, SepAug (33°C)
KorčulaMay–Jun, SepAug (29°C)
BračMay–Jun, SepAug (30°C)
ŠibenikMay–Jun, Sep–OctAug (26°C)
KrkMay–Jun, SepAug (28°C)
PorečMay–Jun, SepAug (28°C)
TrogirMay–Jun, Sep–OctAug (30°C)
VisMay–Jun, SepAug (27°C)
RijekaMay–Jun, SepJul (28°C)
OpatijaMay–Jun, Sep–OctJul (28°C)

Quick answers

What is the best month to visit Zagreb?

Apr–Jun, Sep–Oct. Spring and early autumn are mild and green; Jul–Aug is hot but the city is quiet. Advent in December is busy; Jan–Feb is cold and grey.

When is the rainy season in Zagreb?

Rain peaks in September with about 106 mm. No month averages 150 mm or more.

What is the hottest month in Zagreb?

July, with average highs of 29°C (85°F).

How cold does Zagreb get?

The coolest nights are in January, averaging -4°C (25°F).

More about Zagreb

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.