The climate of Zagreb is classified as an oceanic climate, near the boundary of the humid continental climate. Summers are warm, at the end of May the temperatures start rising and it is often pleasant with occasional thunderstorms. Heatwaves can occur but are short-lived. Temperatures rise above 30 °C (86 °F) on an average 14.6 days each summer. Rainfall is abundant in the summertime and it continues to be in autumn as well. Zagreb is Europe's 9th wettest capital, behind Luxembourg and ahead of Brussels, Belgium. Autumn in its early stages is mild with an increase of rainy days and precipitation as well as a steady temperature fall towards its end. Morning fog is common from mid-October to January with northern city districts at the foothills of the Medvednica mountain as well as those along the Sava river being more prone to all-day fog accumulation. Winters are cold with a less precipitation. Even though there is no discernible dry season, February is the driest month with 39 mm of precipitation. On average there are 29 days with snowfall with first snow falling in early November. Springs are generally mild and pleasant with frequent weather changes and are windier than other seasons. Sometimes cold spells can occur, mostly in its early stages. The average daily mean temperature in the winter is around 1 °C (34 °F) (from December to February) and the average temperature in the summer is 22.0 °C (71.6 °F).
Highest recorded temperature ever was 40.4 °C (104.7 °F) in July 1950, and lowest was −27.3 °C (−17.1 °F) in February 1956.
7 Day Zagreb Weather Report is available when you click here.