Severe Forestfire danger Warning
There is a large risk of forest and bush fire.
Moderate Thunderstorms Warning
Thunderstorms are possible, accompanied by local intense precipitation and gusty winds. Intense local showers with wind blasts and lightning strikes are possible. Torrential watercourses may rise quickly. Rainwater floods are possible.
Moderate High temperature Warning
High temperatures may affect the health of sensitive members of the population.
Tomorrow in Zagreb looks
sunny, with a high of 93°
and an overnight low of 75°.
Precipitation chance is modest at 36%.
Winds top out near 8 mph,
and the UV index reaches 8 (high).
Weather in Zagreb is shaped by its humid subtropical climate - expect hot, humid summers and generally mild winters. July afternoons typically reach 83°F (28°C), while January highs hover near 42°F (5°C). Annual precipitation averages 36.7 inches (932 mm) over about 117 rainy days.
Zagreb weather: quick facts
Hottest month: July - highs near 83°F (28°C)
Coldest month: January - highs near 42°F (5°C)
Record high: 100°F (38°C) · Record low: -3°F (-19°C) (2015–2024)
Wettest month: May (15 rainy days) · Sunniest: July (12.6 h sun/day)
Climate type:humid subtropical - hot, humid summers and generally mild winters
Snow: about 10 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 83°F (28°C) and overnight lows stay near 65°F (18°C). The coolest month is January, with typical highs of 42°F (5°C) and lows around 28°F (-2°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as -3°F (-19°C).
Rain, sun and snow
May is usually the wettest month. It brings about 4.6 inches (117 mm) of rain over 15 days, while March is the driest. July brings the most sunshine, averaging 12.6 hours of sun a day. Snow falls on about 10 days in a typical year, mostly from December through March.
Season by season
Spring (March through May)
Spring in Zagreb is mild, with daytime highs averaging 62°F (17°C) and nights around 44°F (6°C); expect showers on roughly 33 days across the season.
Summer (June through August)
Summer in Zagreb is hot, with daytime highs averaging 82°F (28°C) and nights around 63°F (17°C); expect showers on roughly 29 days across the season.
Fall (September through November)
Fall in Zagreb is mild, with daytime highs averaging 62°F (17°C) and nights around 47°F (9°C); expect showers on roughly 28 days across the season.
Winter (December through February)
Winter in Zagreb is brisk and cold, with daytime highs averaging 44°F (7°C) and nights around 31°F (-1°C); expect showers on roughly 27 days across the season, plus around 8 snowy days.
Average temperatures in Zagreb by month
Monthly averages for Zagreb based on 2015–2024 weather data.
July is the hottest month in Zagreb, with average highs of 83°F (28°C) and overnight lows near 65°F (18°C). In the past decade the temperature has peaked at 100°F (38°C).
What is the coldest month in Zagreb?
January is the coldest month, with highs averaging 42°F (5°C) and lows around 28°F (-2°C). The lowest reading in recent years was -3°F (-19°C).
What is the rainiest month in Zagreb?
May is typically the wettest month, averaging 4.6 inches (117 mm) of precipitation across about 15 days. March is usually the driest.
Does it snow in Zagreb?
Yes. Zagreb averages about 10 days of snowfall a year, concentrated December through March.
What is the best time to visit Zagreb?
The best time to visit Zagreb is generally June to October and April, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 74°F (23°C).
How sunny is Zagreb?
Zagreb averages 8.7 hours of sunshine per day across the year. July is the sunniest month at about 12.6 hours of sun a day.
Is Zagreb humid?
Relative humidity in Zagreb averages about 75% over the year, which feels fairly humid. Combined with July heat, muggy conditions are common in summer - the dew point is the number to watch.