Kastav Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kastav.
Climate overview of Kastav
The climate in Kastav, Primorje-Gorski Kotar County, Croatia, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in August to 6°C (43°F) in January.
The city has a wet climate, receiving around 1871 mm (74 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from September to December. November is the wettest month. Sunshine peaks in July, when the city sees around 9.9 hours of sunshine per day.
Kastav Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kastav — and find the best time to visit.
Monthly Temperature in Kastav
In Kastav, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in August to a chilly 6°C (43°F) in January.
Nighttime temperatures range from 17°C (63°F) in August to 0°C (32°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kastav
Kastav experiences significant rain/snowfall throughout the year, averaging 1871 mm (74 in) of precipitation annually. The seasons in Kastav bring significant changes in precipitation. The wettest month, November, receives heavy rainfall, with an average of 236 mm (9.3 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 102 mm (4 in) over 13 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Kastav Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kastav
In Kastav, summer days are longer and more sunny, with daily sunshine hours peaking at 9.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Kastav
The mean water temperature over the year ranges from 11°C (52°F) in January to 25°C (77°F) in August.
Water temperature over the year
Humidity in Kastav by Month
The relative humidity is high throughout the year in Kastav.
The city experiences its highest humidity in November, reaching 67%. In July, the humidity drops to its lowest level at 56%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Kastav
Be prepared for heavier rainfall during September, October, November and December, the wettest period of the year. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Kastav
What is the best time to visit Kastav?
May, June, July and August typically offer the most optimal weather in Kastav. In contrast, January, February, March, October, November and December tend to have less optimal conditions. Kastav has a distinct rainy season from September to December.
What temperatures can I expect in Kastav?
Daytime highs range from 6°C (43°F) in January to 26°C (79°F) in August. Nighttime lows range from 0°C (32°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Kastav get?
Annual rainfall is around 1871 mm (74 in). November is the wettest month with 236 mm (9.3 in), while July is the driest with 102 mm (4 in).
How sunny is Kastav?
Kastav receives around 2,222 hours of sunshine per year. July is the sunniest month with 298 hours, while December is the cloudiest with just 100 hours. Overall, Kastav enjoys abundant sunshine.
Kastav 3-Day Forecast
Kastav 3-Day Forecast
Kastav on the map
Kastav is highlighted — select any city to see its climate.
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