Best time to visit Zagreb
The best months to visit Zagreb are May, September and June, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
May, September and June score best for Zagreb weather:
- May22° / 11°CMay is mild and green, strong for Maksimir, Tkalciceva terraces, and Samobor day trips with a rain layer.
- June26° / 15°CJune is warm but unsettled, with long evenings for Jarun and outdoor concerts between thunderstorms.
- September22° / 12°CSeptember is the wettest month but comfortable, good for Varazdin or Plitvice once forecasts settle.
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By TripSapien Research · Updated May 20, 2026
Zagreb weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 5° | -2° | 45 | 6 | 9h |
| February | 8° | -1° | 50 | 7 | 10h |
| March | 13° | 3° | 50 | 7 | 12h |
| April | 18° | 7° | 65 | 9 | 13h |
| MayBest weather | 22° | 11° | 75 | 9 | 15h |
| JuneBest weather | 26° | 15° | 85 | 9 | 16h |
| July | 28° | 16° | 85 | 8 | 15h |
| August | 28° | 16° | 85 | 7 | 14h |
| SeptemberBest weather | 22° | 12° | 100 | 9 | 12h |
| October | 17° | 8° | 90 | 8 | 11h |
| November | 11° | 4° | 85 | 9 | 9h |
| December | 5° | -1° | 60 | 8 | 9h |
Temperatures in °C. Long-term monthly averages.
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Zagreb month by month
January
Zagreb in January: 4.8°C high, -2°C low, 45mm rain over 6 days, 8.9h daylight. Cold and clearer — short daylight but skies open.
February
Zagreb in February: 7.8°C high, -0.9°C low, 50mm rain over 7 days, 10.1h daylight. Mild and dry — shoulder-season sweet spot.
March
Zagreb in March: 12.7°C high, 2.5°C low, 50mm rain over 7 days, 11.6h daylight. Mild and dry — shoulder-season sweet spot.
April
Zagreb in April: 18°C high, 6.7°C low, 65mm rain over 9 days, 13.3h daylight. Mild and dry — shoulder-season sweet spot.
MayBest weather
Zagreb in May: 22.4°C high, 11.1°C low, 75mm rain over 9 days, 14.7h daylight. Mild and dry — shoulder-season sweet spot.
JuneBest weather
Zagreb in June: 26.3°C high, 14.9°C low, 85mm rain over 9 days, 15.5h daylight. Mild and dry — shoulder-season sweet spot.
July
Zagreb in July: 28°C high, 16.2°C low, 85mm rain over 8 days, 15.2h daylight. Hot and dry — outdoor friendly, hydrate.
August
Zagreb in August: 27.9°C high, 16.1°C low, 85mm rain over 7 days, 13.9h daylight. Mild and dry — shoulder-season sweet spot.
SeptemberBest weather
Zagreb in September: 22.3°C high, 11.9°C low, 100mm rain over 9 days, 12.3h daylight. Mild but rainy — flexible plans pay off.
October
Zagreb in October: 17.1°C high, 7.6°C low, 90mm rain over 8 days, 10.7h daylight. Mild and dry — shoulder-season sweet spot.
November
Zagreb in November: 11°C high, 3.5°C low, 85mm rain over 9 days, 9.2h daylight. Mild and dry — shoulder-season sweet spot.
December
Zagreb in December: 5.3°C high, -1°C low, 60mm rain over 8 days, 8.5h daylight. Cold and clearer — short daylight but skies open.
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