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The best travel time to Split in Croatia is from May til October and the best months are May, June and September.
Bašanija, Istria, Croatia has an average annual maximum temperature of 18°C (64°F), ranging from 10°C (50°F) in January to 27°C (81°F) in August. Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Depending on the time of the year, temperatures range from comfortable to cold in Bašanija. At night, minimum temperatures range from 23°C (73°F) in August to 6°C (43°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Bašanija by month:
From around 4 AM to 6 AM temperatures are at their lowest; by 3 PM they've climbed to their daily peak. August, the warmest month, averages 299 hours of sunshine.
The chart below shows the average temperature throughout the year:
The map below shows the annual temperature across Croatia. You can also select individual months if you want to compare a specific time of year.
Bašanija's average annual maximum temperature is 18°C (64°F). To put that in context, here's how it compares to a few well-known destinations:
Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.
Queenstown, New Zealand averages 10°C (50°F) annually, remember seasons are flipped, so its coldest months fall in June and July.
Osaka, Japan averages 22°C (72°F) annually, with hot humid summers, mild winters, and pleasant spring and autumn seasons.
Melbourne, Australia averages 20°C (68°F) annually, known for unpredictable weather, with four seasons sometimes happening in one day.
Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Bašanija, January is the coolest month, with average highs of 10°C (50°F) and humidity around 67%, considered high. In August, the warmest month, temperatures average 27°C (81°F) with 51% humidity, conditions that feel moderate. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels, they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Bašanija this rarely lasts long on the ground.
For more on Bašanija's weather, including monthly rainfall, sunshine hours, and humidity, visit our Bašanija climate page.
Pick a month to see the average temperature, rainfall and sunshine in Bašanija - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Bašanija climate overview or explore weather in Croatia.
Where to go in October - average daytime high across popular destinations.
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