Historical Weather in Zagreb, Croatia
See 55+ years of weather history for any date in Zagreb going back to 1970.
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Monthly Climate Averages
Historical temperature and precipitation averages for Zagreb, Croatia, based on 55+ years of weather data.
Temperatures shown in Celsius with Fahrenheit in parentheses. Rainfall in millimetres, snowfall in centimetres.
Zagreb Weather by Month
January in Zagreb has become 2.4°C (4.3°F) warmer on average: the 2011–2025 average against 1970–1989.
February in Zagreb has become 2.1°C (3.9°F) warmer on average: the 2011–2025 average against 1970–1989.
March in Zagreb has become 2.0°C (3.7°F) warmer on average: the 2011–2025 average against 1970–1989.
April in Zagreb has become 2.1°C (3.7°F) warmer on average: the 2011–2025 average against 1970–1989.
The coldest May reading, 2°C (35°F) on May 3, 1985, has not been matched in 40 years.
June in Zagreb has become 3.5°C (6.3°F) warmer on average: the 2011–2025 average against 1970–1989.
July in Zagreb has become 2.9°C (5.3°F) warmer on average: the 2011–2025 average against 1970–1989.
August in Zagreb has become 3.2°C (5.7°F) warmer on average: the 2010–2024 average against 1970–1989.
Zagreb's hottest September day on record is a recent one: 34°C (92°F) on September 1, 2024.
Zagreb's hottest October day on record is a recent one: 28°C (82°F) on October 8, 2023.
November in Zagreb has become 2.8°C (5.0°F) warmer on average: the 2010–2024 average against 1970–1989.
5 of the 10 warmest Decembers on record in Zagreb have come since 2010.
Source: NOAA GHCN-Daily, Zagreb-Gric (1971–2025). Records through 2025.