Zagreb, Croatia Climate & Monthly Averages
The climate of 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.
Climate 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.
How Zagreb compares
- Zagreb sits close to the middle of our dataset on most measures: 54°F (12°C) as an annual average, 36.7 inches (932 mm) of precipitation and 8.7 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 42° | 28° | 10 | 2.5 in | 5.3 h/day | 9.0 h | 32% | 82% |
| February | 48° | 32° | 8 | 2.5 in | 6.6 h/day | 10.3 h | 29% | 77% |
| March | 54° | 36° | 9 | 2.2 in | 8.5 h/day | 11.8 h | 29% | 70% |
| April | 62° | 43° | 9 | 2.5 in | 10.0 h/day | 13.5 h | 30% | 67% |
| May | 69° | 52° | 15 | 4.6 in | 10.4 h/day | 14.9 h | 49% | 73% |
| June | 79° | 61° | 11 | 3.2 in | 12.3 h/day | 15.7 h | 36% | 69% |
| July | 83° | 65° | 9 | 3.2 in | 12.6 h/day | 15.4 h | 30% | 65% |
| August | 82° | 64° | 9 | 3.0 in | 11.9 h/day | 14.1 h | 29% | 68% |
| September | 72° | 56° | 10 | 3.7 in | 9.5 h/day | 12.5 h | 32% | 73% |
| October | 63° | 48° | 9 | 3.4 in | 7.5 h/day | 10.8 h | 28% | 81% |
| November | 51° | 39° | 9 | 3.4 in | 5.1 h/day | 9.4 h | 31% | 86% |
| December | 43° | 32° | 9 | 2.5 in | 4.9 h/day | 8.7 h | 29% | 87% |
Zagreb month by month
Average high and low for each month, with the bar showing where it sits in Zagreb's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 10 days
- Sunshine
- 5.3 h
- Daylight
- 9.0 h
- Snow
- 3 days
February
- Rain
- 8 days
- Sunshine
- 6.6 h
- Daylight
- 10.3 h
- Snow
- 2 days
March
- Rain
- 9 days
- Sunshine
- 8.5 h
- Daylight
- 11.8 h
- Snow
- 1 day
April
- Rain
- 9 days
- Sunshine
- 10.0 h
- Daylight
- 13.5 h
May
- Rain
- 15 days
- Sunshine
- 10.4 h
- Daylight
- 14.9 h
June
- Rain
- 11 days
- Sunshine
- 12.3 h
- Daylight
- 15.7 h
July
- Rain
- 9 days
- Sunshine
- 12.6 h
- Daylight
- 15.4 h
August
- Rain
- 9 days
- Sunshine
- 11.9 h
- Daylight
- 14.1 h
September
- Rain
- 10 days
- Sunshine
- 9.5 h
- Daylight
- 12.5 h
October
- Rain
- 9 days
- Sunshine
- 7.5 h
- Daylight
- 10.8 h
November
- Rain
- 9 days
- Sunshine
- 5.1 h
- Daylight
- 9.4 h
December
- Rain
- 9 days
- Sunshine
- 4.9 h
- Daylight
- 8.7 h
- Snow
- 2 days
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Zagreb
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.
Climate questions, answered
How often does it rain in Zagreb?
Does it freeze in Zagreb?
Is Zagreb humid?
What should I wear in Zagreb?
What is the average temperature in Zagreb?
Best time to visit Zagreb
June to October and April is the sweet spot for Zagreb - warm days, manageable rainfall and plenty of daylight line up. Expect 74°F (23°C) in the afternoon and around 9 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in June.
Pack for Zagreb with light clothing for the warm months, a warm jacket and layers for the cooler season, a compact umbrella or rain shell and moisture-wicking fabrics for the humidity. July nights average 65°F (18°C), so evenings rarely match the afternoons.
Zagreb temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.