Zagreb, Croatia Weather
Zagreb hourly forecast: next 24 hours
Today's high of 80°F (26°C) is about 8°F (4°C) above the typical September high of 72°F (22°C).
Current conditions in detail
Zagreb weather tomorrow (Wednesday, September 16)
Tomorrow in Zagreb looks sunny, with a high of 82° and an overnight low of 59°. Rain is unlikely (2% chance). Winds top out near 3 mph, and the UV index reaches 5 (moderate).
Zagreb 14-day forecast
About the weather in Zagreb
Expect hot, humid summers and generally mild winters in Zagreb: that is what a humid subtropical climate means in practice. Highs peak at 83°F (28°C) in July and fall to 42°F (5°C) by January, with 8.7 hours of sun on an average day.
Zagreb weather: quick facts
- Hottest month: July - highs near 83°F (28°C)
- Coldest month: January - highs near 42°F (5°C)
- Decade extremes (2015-2024): 100°F (38°C) high · -3°F (-19°C) low
- Wettest month: May (15 rainy days) · Sunniest: July (12.6 h sun/day)
- Climate type: humid subtropical
- Annual swing: 22°C between the average warmest and coolest month · day to night: 9°C
- Snow: about 10 days a year
- Months with freezing average lows: 2
- Average humidity: 75%
Temperatures through the year
January sits at the other end of the year: 42°F (5°C) by day, 28°F (-2°C) at night. At its warmest, in July, Zagreb runs to 83°F (28°C) in the afternoon and back to 65°F (18°C) by dawn. The gridded 2015-2024 daily record for this location tops out at 100°F (38°C) and bottoms at -3°F (-19°C) - decade extremes, not all-time station records. Sunshine averages 8.7 hours a day over the year, peaking in July at 12.6 hours.
Rain, sun and snow
Snow falls on roughly 10 days a year, mostly December through March. The wettest month is May (4.6 inches (117 mm) across 15 days) and the driest March.
Season by season
Spring (March through May)
Through spring, Zagreb is mild: 62°F (17°C) by day, 44°F (6°C) after dark, and rain falls on around 33 of the 90 days.
Summer (June through August)
Summer brings hot afternoons here - highs near 82°F (28°C), nights near 63°F (17°C), and expect showers on roughly 29 days across the season. Daylight is generous - around 12.3 hours of sun a day.
Fall (September through November)
Through fall, Zagreb stays on the cool side of mild: 62°F (17°C) by day, 47°F (9°C) after dark, and expect showers on roughly 28 days across the season.
Winter (December through February)
Through winter, Zagreb runs cold: 44°F (7°C) by day, 31°F (-1°C) after dark, and expect showers on roughly 27 days across the season, plus about 8 snowy days.
Average temperatures in Zagreb by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 42° | 28° | 10 | 2.5 in | 5.3 h/day | 82% |
| February | 48° | 32° | 8 | 2.5 in | 6.6 h/day | 77% |
| March | 54° | 36° | 9 | 2.2 in | 8.5 h/day | 70% |
| April | 62° | 43° | 9 | 2.5 in | 10.0 h/day | 67% |
| May | 69° | 52° | 15 | 4.6 in | 10.4 h/day | 73% |
| June | 79° | 61° | 11 | 3.2 in | 12.3 h/day | 69% |
| July | 83° | 65° | 9 | 3.2 in | 12.6 h/day | 65% |
| August | 82° | 64° | 9 | 3.0 in | 11.9 h/day | 68% |
| September | 72° | 56° | 10 | 3.7 in | 9.5 h/day | 73% |
| October | 63° | 48° | 9 | 3.4 in | 7.5 h/day | 81% |
| November | 51° | 39° | 9 | 3.4 in | 5.1 h/day | 86% |
| December | 43° | 32° | 9 | 2.5 in | 4.9 h/day | 87% |