Zagreb, Croatia Climate & Monthly Averages
The climate of Zagreb
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.
Climate 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.
Monthly climate table
| 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% |
Zagreb month by month
Zagreb weather in January
January brings highs around 42°F (5°C), lows near 28°F (-2°C), about 10 wet days and roughly 3 snowy days - typically the coldest month of the year in Zagreb.
Zagreb weather in February
February brings highs around 48°F (9°C), lows near 32°F (0°C), about 8 wet days and roughly 2 snowy days.
Zagreb weather in March
March brings highs around 54°F (12°C), lows near 36°F (2°C), about 9 wet days and roughly 1 snowy days - typically the driest month of the year in Zagreb.
Zagreb weather in April
April brings highs around 62°F (17°C), lows near 43°F (6°C), about 9 wet days.
Zagreb weather in May
May brings highs around 69°F (21°C), lows near 52°F (11°C), about 15 wet days - typically the wettest month of the year in Zagreb.
Zagreb weather in June
June brings highs around 79°F (26°C), lows near 61°F (16°C), about 11 wet days.
Zagreb weather in July
July brings highs around 83°F (28°C), lows near 65°F (18°C), about 9 wet days - typically the hottest month and the sunniest month of the year in Zagreb.
Zagreb weather in August
August brings highs around 82°F (28°C), lows near 64°F (18°C), about 9 wet days.
Zagreb weather in September
September brings highs around 72°F (22°C), lows near 56°F (13°C), about 10 wet days.
Zagreb weather in October
October brings highs around 63°F (17°C), lows near 48°F (9°C), about 9 wet days.
Zagreb weather in November
November brings highs around 51°F (10°C), lows near 39°F (4°C), about 9 wet days.
Zagreb weather in December
December brings highs around 43°F (6°C), lows near 32°F (0°C), about 9 wet days and roughly 2 snowy days.
Seasons in Zagreb
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.
Climate questions, answered
What is the average temperature in Zagreb?
Is Zagreb hot in summer?
Is Zagreb cold in winter?
How many rainy days does Zagreb get in a year?
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).
Pack for Zagreb with a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - July nights average 65°F (18°C).
Zagreb temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.