Croatia · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Zagreb are May, June and September, when daytime temperatures are agreeable and rainfall is relatively low.
Zagreb sees its warmest weather in July, when daytime highs average around 28°C, and its coolest in January (around 5°C).
Annual precipitation totals roughly 874mm — September is typically the wettest month (~104mm) and February the driest (~45mm).
Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.
July is the sunniest month, with about 294 hours of sunshine.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 5° / -2°C | 46mm | 🤔 Fair |
| February | 8° / -1°C | 45mm | 🤔 Fair |
| March | 13° / 3°C | 48mm | 👍 Good |
| April | 18° / 7°C | 61mm | 👍 Good |
| May | 22° / 11°C | 77mm | 🌟 Great |
| June | 26° / 15°C | 91mm | 👍 Good |
| July | 28° / 16°C | 80mm | 👍 Good |
| August | 28° / 16°C | 86mm | 👍 Good |
| September | 23° / 12°C | 104mm | 🌟 Great |
| October | 17° / 8°C | 89mm | 👍 Good |
| November | 11° / 3°C | 87mm | 🤔 Fair |
| December | 5° / -1°C | 62mm | 🤔 Fair |
January in Zagreb is cold, with average daytime highs around 5°C (41°F) and nighttime lows near -2°C (28°F). Expect roughly 46mm of precipitation spread over about 7 rainy days, with little rainfall.
☀️ About 69 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
February in Zagreb is cold, with average daytime highs around 8°C (46°F) and nighttime lows near -1°C (30°F). Expect roughly 45mm of precipitation spread over about 6 rainy days, with little rainfall.
☀️ About 103 hours of sunshine over the month (~3h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf
March in Zagreb is chilly, with average daytime highs around 13°C (55°F) and nighttime lows near 3°C (37°F). Expect roughly 48mm of precipitation spread over about 7 rainy days, with little rainfall.
☀️ About 150 hours of sunshine over the month (~5h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
April in Zagreb is mild, with average daytime highs around 18°C (64°F) and nighttime lows near 7°C (44°F). Expect roughly 61mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 190 hours of sunshine over the month (~6h/day).
🎒 What to pack — light jacket · layers for cool evenings
May in Zagreb is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 11°C (52°F). Expect roughly 77mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
☀️ About 246 hours of sunshine over the month (~8h/day).
🎒 What to pack — light layers · comfortable walking shoes
June in Zagreb is warm, with average daytime highs around 26°C (79°F) and nighttime lows near 15°C (58°F). Expect roughly 91mm of precipitation spread over about 10 rainy days, with a moderate amount of rain.
☀️ About 266 hours of sunshine over the month (~9h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses
July in Zagreb is warm, with average daytime highs around 28°C (83°F) and nighttime lows near 16°C (61°F). Expect roughly 80mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 294 hours of sunshine over the month (~10h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses
August in Zagreb is warm, with average daytime highs around 28°C (83°F) and nighttime lows near 16°C (61°F). Expect roughly 86mm of precipitation spread over about 7 rainy days, with a moderate amount of rain.
☀️ About 274 hours of sunshine over the month (~9h/day).
🎒 What to pack — light summer clothing · sunscreen and sunglasses
September in Zagreb is pleasantly warm, with average daytime highs around 23°C (73°F) and nighttime lows near 12°C (53°F). Expect roughly 104mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
☀️ About 184 hours of sunshine over the month (~6h/day).
🎒 What to pack — light layers · comfortable walking shoes
October in Zagreb is mild, with average daytime highs around 17°C (63°F) and nighttime lows near 8°C (46°F). Expect roughly 89mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 131 hours of sunshine over the month (~4h/day).
🎒 What to pack — light jacket · layers for cool evenings
November in Zagreb is chilly, with average daytime highs around 11°C (51°F) and nighttime lows near 3°C (38°F). Expect roughly 87mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
☀️ About 66 hours of sunshine over the month (~2h/day).
🎒 What to pack — jacket or coat · long-sleeve layers
December in Zagreb is cold, with average daytime highs around 5°C (42°F) and nighttime lows near -1°C (30°F). Expect roughly 62mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
☀️ About 53 hours of sunshine over the month (~2h/day).
🎒 What to pack — warm coat · sweaters and layers · scarf