Climate Insights for Rovinj

The climate in Rovinj is temperate. The average annual temperature is 17°C and approximately 873mm of precipitation falls per year. September is the wettest month, receiving around 121mm of rainfall. Rovinj is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, March, when temperatures can drop to 8°C.

Rovinj sees moderate temperature variation throughout the year, ranging from 8°C to 27°C. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 8°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.

Rovinj is a moderately rainy area, receiving approximately 873mm of precipitation annually, which averages out to around 73mm per month. The wettest month is September, averaging 121mm of rainfall. November and October also tend to see above-average precipitation. The driest month is July, with just 29mm. That's 92mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Rovinj is moderately windy, with an average annual wind speed of 24km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 25km/h in winter, 25km/h in spring, 22km/h in summer, 25km/h in autumn.

It is currently spring in Rovinj, which began on March 20, 2026. Rovinj is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 27°C, while the coldest stretch bottoms out in January near 8°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Rovinj is during May and June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 60mm per month. By contrast, August can be uncomfortably hot with highs reaching 27°C, while January is the coldest period with lows dropping to 8°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Rovinj based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.