Rijeka Climate by Month
The temperature in Rijeka 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 notably wet climate with much precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
Visitors to Rijeka can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 26°C in August, the warmest time of the year, to a chilly 6°C during cooler months like January. At night, temperatures typically average around -0°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Rijeka is known for its substantial rain/snowfall, with annual precipitation reaching 1813 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives heavy rainfall, averaging 231 mm of precipitation, recorded across 15 rainy days. In contrast, the drier season, July brings less rainfall, with 95 mm over 13 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Rijeka. While July receives considerable daily sunshine with up to 9.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year in Rijeka ranges from 11°C in January to 25°C in August.
Water temperature over the year
Average humidity
The relative humidity is low throughout the year in Rijeka.
Relative humidity over the year
The best time of year to visit Rijeka in Croatia
During the months of 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:
Most rainfall (rainy season) is seen in September, October, November and December.
August has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 6°C.
November tops the wettest month list with 231 mm of rainfall.
July is the driest month with 95 mm of precipitation.
July is the sunniest month with an average of 298 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.