Zagreb features a humid continental climate with four distinct seasons. Winters are cold and often snowy, while summers are warm or hot and sunny. Rainfall is moderate and spread throughout the year, with spring and autumn bringing rapid changes in temperature and daylight. The city’s climate delivers variety, contrast, and unique charm in every season.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Zagreb’s climate is marked by clear seasonal contrasts and moderate year-round precipitation. Winters (December–February) are cold and damp, with average highs of 2–5°C and lows near or below 0°C. January is the coldest month, with minimums often falling below –4°C and occasional dips to –10°C or lower. Snowfall is common, especially in January and February, and thick fog can settle in, particularly near the Sava River. Sunshine is scarce in winter, averaging only 2–2.5 hours per day, while daylight is limited to about 8–9 hours.
Spring (March–May) brings a gradual warming, with highs rising from 12°C in March to 22°C by May. Rainfall increases, especially in May and June, and blooming parks make the city lively. Summers (June–August) are warm or hot, with average highs of 26–28°C and occasional heatwaves above 30°C. Nights are comfortable (14–17°C), and July is the sunniest month, with up to 9 hours of sunshine per day. Thunderstorms are common in summer, but rain showers are usually brief. Autumn (September–November) is mild to cool, with highs dropping from 22°C in September to 11°C in November. Rain and fog increase, and the city’s parks turn vibrant with autumn colours. Annual precipitation averages 885–950 mm, with the wettest months typically in late spring and early autumn. Zagreb enjoys about 2,000 hours of sunshine per year, and winds are generally light to moderate, but can be brisk during storms or cold snaps.
| Average climate data for Zagreb, Croatia | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 4 | 7 | 12 | 16 | 22 | 25 | 27 | 26 | 22 | 16 | 9 | 5 | 27 |
| Average minimum temperature (°C) | -3 | -2 | 2 | 5 | 10 | 13 | 15 | 14 | 11 | 6 | 1 | -2 | -3 |
| Average precipitation (mm) | 44 | 39 | 53 | 60 | 72 | 96 | 78 | 94 | 87 | 82 | 80 | 59 | 844 |
| Average rainfall days (days) | 10 | 9 | 11 | 13 | 13 | 14 | 11 | 10 | 10 | 11 | 11 | 11 | 136 |
| Average snowfall days (days) | 10 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 29 |
| Average relative humidity (%) | 82 | 77 | 71 | 68 | 68 | 70 | 69 | 73 | 78 | 82 | 83 | 84 | 75 |
| Average daily daylight hours (h) | 9 | 10 | 11 | 13 | 14 | 15 | 15 | 14 | 12 | 10 | 9 | 8 | 12 |
| Average daily sunshine hours (h) | 1 | 3 | 4 | 5 | 7 | 7 | 8 | 8 | 6 | 4 | 2 | 1 | 5 |
| Average UV index | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 1 | 1 | 4 |
The best time to visit Zagreb is from April to June and September to October, when temperatures are mild (16–25°C), rainfall is moderate, and the city is lively with festivals, outdoor cafés, and blooming or golden parks. These shoulder seasons offer ideal conditions for sightseeing, enjoying local events, and avoiding the summer crowds.
The least favourable time to visit is from December to February, when Zagreb is coldest, daylight hours are shortest, and snow, rain, and fog are frequent. While winter brings festive charm and Christmas markets, outdoor activities can be limited by chilly, damp, and unpredictable weather.
Zagreb has a humid continental climate with cold, often snowy winters and warm, sunny summers. Spring and autumn are mild but variable, with moderate rainfall and dramatic changes in daylight and temperature.
Summer temperatures in Zagreb typically reach 26–28°C, but heatwaves can push highs above 30°C. Nights are comfortable, and thunderstorms are common, especially in June and July.
Yes, snow is common in Zagreb from December to March, especially in January and February. Frosty nights and occasional heavy snowfalls are typical, transforming the city into a winter wonderland.
Rain falls year-round, but May, June, and September are usually the wettest months. Showers are frequent but often brief, so carrying an umbrella is recommended for all seasons.
Zagreb enjoys about 2,000 hours of sunshine annually. July and August are the sunniest months, with up to 9 hours of sunshine per day, while December is the darkest, with less than 2 hours daily.
Bring warm, waterproof layers and insulated boots for winter. In spring and autumn, pack layers and a rain jacket. For summer, light, breathable clothes, sun protection, and an umbrella are essential for sudden showers.
Winds are generally light to moderate, but can be brisk during storms or cold snaps. Humidity is moderate year-round, with higher levels in winter and during rainy periods.
The warmest month, with the highest average maximum temperature, is July (26.7 °C). The month with the lowest average maximum temperature is January (3.7 °C). Overall, the average maximum temperature over the whole year is 15.8 °C.
The month with the highest average minimum temperature is July (14.6 °C). The coldest month, with the lowest average minimum temperature, is January (-2.9 °C). Overall, the average minimum temperature over the whole year is 5.9 °C.
The wettest month, with the highest amount of precipitation, is June (96.4 mm). The driest month, with the least amount of precipitation, is February (39.4 mm). Over the whole year there are 844.2 mm of rainfall on average.
The month with the most days of rain is June (13.8 days). The month with the fewest days of rain is February (9.3 days). Over the whole year there are 135.5 days of rain on average.
The month with the most days of snowfall is January (10.3 days). The months with the fewest days of snowfall are May and July (0 days). Over the whole year there are 29.3 days of snowfall on average.
The month with the highest average relative humidity is December (84 %). The month with the lowest average relative humidity is April (67.8 %). The overall average relative humidity over the whole year is 75.3 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 8.1 h). Over the whole year there are 11.7 h of daylight per day on average.
The month with the most sunshine per day is July (Average sunshine: 8.1 h). The month with the least sunshine per day is December (Average sunshine: 0.9 h). Over the whole year there are 4.7 h of sunlight per day on average.
The months with the highest average UV index are June and July (UV index: 8). The months with the lowest average UV index are January, November and December (UV index: 1). Over the whole year the average UV index is 4.2.
