Kaštelir Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Kaštelir.

Climate overview of Kaštelir

The climate in Kaštelir, Istria, Croatia, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in August to 9°C (48°F) in January.

Rainfall is high, totalling around 1155 mm (45 in) per year. November is the wettest month and July the driest. July is the sunniest month, averaging 10.6 hours of sunshine per day.

Kaštelir Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Kaštelir — and find the best time to visit.

Monthly Temperature in Kaštelir

In Kaštelir, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in August, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 21°C (70°F) in August to around 4°C (39°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Kaštelir

Kaštelir experiences significant rainfall throughout the year, averaging 1155 mm (45 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high rainfall, averaging 153 mm (6 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month July brings less rainfall, with 53 mm (2.1 in) over 11 rainy days. For more details, please visit our Kaštelir Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Kaštelir

Seasonal changes in sunshine hours are quite dramatic in Kaštelir. While July receives considerable daily sunshine with up to 10.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Portorož, Slovenia (24 KM, 15 Miles).

Daily hours of sunshine

Data from: Portorož, Slovenia (24 KM, 15 Miles).

Humidity in Kaštelir by Month

Best Time to Visit Kaštelir

The best time to visit Kaštelir is during May, June, July, August, September and October, when the weather provides comfortable temperatures between 19°C (66°F) and 28°C (83°F). With rainfall of 53 mm (2.1 in) to 138 mm (5.4 in), you can expect pleasant weather during your visit in these months.

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

Frequently asked questions about the climate in Kaštelir

What is the best time to visit Kaštelir?

May, June, July and August typically offer the most optimal weather in Kaštelir. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in Kaštelir?

Daytime highs range from 9°C (48°F) in January to 28°C (82°F) in August. Nighttime lows range from 4°C (39°F) to 21°C (70°F). Temperatures vary considerably through the year.

How much rain does Kaštelir get?

Annual rainfall is around 1155 mm (45 in). November is the wettest month with 153 mm (6 in), while July is the driest with 53 mm (2.1 in).

How sunny is Kaštelir?

Kaštelir receives around 2,348 hours of sunshine per year. July is the sunniest month with 317 hours, while December is the cloudiest with just 95 hours. Overall, Kaštelir enjoys abundant sunshine.

Kaštelir 3-Day Forecast

Kaštelir 3-Day Forecast

Kaštelir on the map

Kaštelir is highlighted — select any city to see its climate.

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