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Osijek climate data

Osijek, in eastern Croatia, features a temperate continental climate with warm, sunny summers and cold, damp winters. The city experiences significant seasonal contrasts, moderate rainfall throughout the year, and frequent fog or snow in winter. With vibrant springs, lively summers, and colourful autumns, Osijek is a culturally rich destination for travellers in every season.

Best times to travel

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.

for Osijek, Croatia
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Nov
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High season: May - Sep.
Shoulder season: April, Oct.
Crowdedness: 7 (Many tourists)
Tap on a month for more info Hover over a month for more info
Kopački Rit Nature Park: birdwatching and boat tours best April to June, when floodwater is highest, and during autumn migration
Mosquitoes are common near the wetlands from May to September, bring repellent

The climate of Osijek

Osijek’s climate is defined by pronounced seasonal changes and moderate precipitation. Summers (June–August) are warm to hot and mostly sunny, with average highs of 27–30°C and lows of 14–18°C. July and August are the hottest months, with occasional heatwaves pushing temperatures above 35°C. Rainfall is moderate, with June being the wettest month (up to 82 mm), and thunderstorms are common in summer afternoons. Sunshine is abundant, with up to 9 hours per day in July, and daylight lasts up to 16 hours in midsummer. Humidity is moderate, and gentle breezes provide relief on warmer days.

Winters (December–February) are cold and damp, with average highs of 3–5°C and lows near or below freezing. Snow is common, and foggy mornings are frequent, especially in January. Rain and snow are evenly distributed, with about 45–55 mm of precipitation per month. Days are short, with only 2 hours of sunshine and 9 hours of daylight in December. Spring (March–May) and autumn (September–November) are transitional, with rapidly changing weather, mild to warm temperatures (10–22°C), and frequent showers. May is typically the rainiest month, while August is the driest. Winds are generally light to moderate, but can be brisk during storms, especially in spring and autumn. Osijek receives about 725–800 mm of precipitation annually and enjoys around 2,000 hours of sunshine per year.

Average climate data for Osijek, Croatia
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average maximum temperature (°C) 3 7 12 17 23 25 28 27 23 17 9 5 28
Average minimum temperature (°C) -3 -2 1 6 11 14 15 14 11 6 2 -2 -3
Average precipitation (mm) 42 35 41 51 59 81 66 62 50 56 62 49 654
Average rainfall days (days) 11 11 11 13 13 13 11 10 9 10 12 12 137
Average snowfall days (days) 10 8 2 0 0 0 0 0 0 0 2 6 29
Average relative humidity (%) 88 82 75 72 71 71 70 72 77 80 85 88 78
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

Travel info

  • Spring (March–May): Mild and blooming, with highs from 13–22°C. Frequent showers, especially in April and May. Ideal for city walks and riverside parks – bring layers and a rain jacket.
  • Summer (June–August): Warm to hot and sunny, with highs of 27–30°C. Occasional heatwaves and thunderstorms. Perfect for festivals, outdoor dining, and bike rides – pack sun protection, light clothing, and a jumper for cool evenings.
  • Autumn (September–November): Pleasant in September (up to 24°C), cooling to 10°C by November. Rainfall increases and days shorten. Early autumn is great for sightseeing and fewer tourists – bring layers and rain gear.
  • Winter (December–February): Cold and damp, with highs of 3–5°C and lows near 0°C. Frequent fog, rain, and snow. Dress warmly and bring waterproof gear. The city is festive during Christmas, with markets and lights.
  • General tips: Weather is changeable – dress in layers and always carry rain gear. Even in summer, evenings can be cool. Book early for summer festivals and autumn events. Fog and humidity are common in winter – plan indoor activities accordingly.

The best time to visit Osijek

The best time to visit Osijek is from May to September, when temperatures are warmest (22–30°C), days are longest, and the city is lively with festivals, outdoor events, and vibrant parks. These months offer ideal conditions for sightseeing, cycling, and enjoying the Drava River, with pleasant evenings and a festive atmosphere.

The worst time to visit Osijek

The least favourable time to visit Osijek is from November to February, when temperatures are lowest, days are shortest, and frequent rain, snow, or fog can limit outdoor activities. While winter is festive with Christmas markets, cold, damp, and dark conditions may not appeal to all travellers, though the city remains charming for those seeking a cosy atmosphere.

Frequently asked questions

What is the climate like in Osijek year-round?

Osijek has a temperate continental climate with warm, sunny summers and cold, damp winters. Rain and snow fall year-round, with peaks in late spring and summer. Fog and frost are common in winter, and spring and autumn are mild and changeable.

When is the best time to visit Osijek?

The best time to visit Osijek is from May to September, when the weather is warm, days are long, and the city is vibrant with festivals and outdoor activities. Early autumn is also pleasant for sightseeing and colourful landscapes.

Does it snow in Osijek?

Yes, snow is common in Osijek from December to February. Winters are cold and snowy, creating a picturesque landscape for winter walks and festive markets. Snowfall is usually light but can occasionally be heavier.

How much does it rain in Osijek?

Osijek receives moderate rainfall, averaging 725–800 mm annually. Rain falls throughout the year, with the wettest months in May and June. Showers are frequent in spring and summer, often as brief thunderstorms.

How hot does it get in Osijek during summer?

Summer highs in Osijek typically reach 27–30°C, with July and August being the hottest months. Occasional heatwaves can push temperatures above 35°C, but evenings are usually comfortable for outdoor activities.

What should I pack for a trip to Osijek?

Pack layers for cool mornings and evenings, a rain jacket for showers, and sun protection for summer. In winter, bring warm clothing, a hat, gloves, and waterproof shoes for cold, damp conditions.

Is Osijek windy?

Winds in Osijek are generally light to moderate, but can be brisk during storms, especially in spring and autumn. The city’s inland location means wind chill can make winter days feel colder.

Minimum and maximum temperatures in Osijek

The warmest month, with the highest average maximum temperature, is July (27.7 °C). The month with the lowest average maximum temperature is January (3.4 °C). Overall, the average maximum temperature over the whole year is 16.5 °C.

The month with the highest average minimum temperature is July (14.9 °C). The coldest month, with the lowest average minimum temperature, is January (-3.2 °C). Overall, the average minimum temperature over the whole year is 6 °C.

Rainfall amount in Osijek

The wettest month, with the highest amount of precipitation, is June (80.9 mm). The driest month, with the least amount of precipitation, is February (35.4 mm). Over the whole year there are 653.8 mm of rainfall on average.

Rainfall days in Osijek

The month with the most days of rain is June (13.5 days). The month with the fewest days of rain is September (9.3 days). Over the whole year there are 137.1 days of rain on average.

Snowfall days in Osijek

The month with the most days of snowfall is January (10.2 days). The months with the fewest days of snowfall are June, July, August, September and October (0 days). Over the whole year there are 29.3 days of snowfall on average.

Relative humidity in Osijek

The month with the highest average relative humidity is December (88.4 %). The month with the lowest average relative humidity is July (70.2 %). The overall average relative humidity over the whole year is 77.7 %.

Daylight hours and sunshine hours in Osijek

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: 1 h). Over the whole year there are 4.7 h of sunlight per day on average.

UV index in Osijek

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.

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