Zagreb Weather in May
In May, Zagreb averages a high of 22°C (72°F) and a low of 13°C (55°F), from 52 years of daily records (1971–2025).
22°C
Average high
72°F
13°C
Average low
55°F
33°C
Record high
92°F · May 27, 2008
2°C
Record low
35°F · May 3, 1985
What May Is Like in Zagreb
- The coldest May reading, 2°C (35°F) on May 3, 1985, has not been matched in 40 years.
- May in Zagreb has become 1.2°C (2.1°F) warmer on average: the 2011–2025 average against 1970–1989.
- The warmest May in the record was 2003; the coldest was 1991.
At least 1 mm of rain falls on 31% of May days, and the month averages 80 mm in total.
Warmest: 2003 (26.2°C)Latest: 2023 (20.5°C)10-year averageLong-run average (22.0°C)
Look Up a Day in May
See the weather in Zagreb on any May date, year by year.
Source: NOAA GHCN-Daily, Zagreb-Gric (1971–2025). Averages cover 1971–2025. How we compute this