Grožnjan, Croatia - Weather and Climate
The temperature in Grožnjan, Istria, Croatia can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and cold during the cooler months.
It also has a relatively rainy climate with high levels of precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
Visitors to Grožnjan can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 29°C in August to a chilly 9°C in January.
Nighttime temperatures can drop, with average lows reaching 3°C in January.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Grožnjan is known for its substantial rainfall, with annual precipitation reaching 1231 mm. The seasons in Grožnjan, bring significant changes in precipitation. The wettest month, November, receives heavy rainfall, with an average of 160 mm of precipitation. This rainfall is distributed across 13 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 58 mm over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Grožnjan Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Grožnjan, summer days are longer and more sunny, with daily sunshine hours peaking at 10.6 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Grožnjan.
The city experiences its highest humidity in January, reaching 67%. In July, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Grožnjan
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Grožnjan in Croatia
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
November tops the wettest month list with 160 mm of rainfall.
July is the driest month with 58 mm of precipitation.
July is the sunniest month with an average of 317 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
