Climate Insights for Rønne

The climate in Rønne is cool. The average annual temperature is 10°C and approximately 672mm of precipitation falls per year. November is the wettest month, receiving around 88mm of rainfall. Rønne is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 2°C. Light snow can occur between January and December.

Rønne sees moderate temperature variation throughout the year, ranging from 2°C to 19°C. August is the warmest month, though highs remain moderate at 19°C with a mean of 18°C. February is the coolest month, with minimum temperatures around 2°C and an average of 3°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.

Rønne is a relatively dry area, receiving approximately 672mm of precipitation annually, which averages out to around 56mm per month. The wettest month is November, averaging 88mm of rainfall. October and January also tend to see above-average precipitation. The driest month is May, with just 23mm. That's 65mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 20cm annually. February is the snowiest month with approximately 7cm.

Rønne is very windy, with an average annual wind speed of 36km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 42km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 30km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 12km/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 41km/h in winter, 34km/h in spring, 31km/h in summer, 37km/h in autumn.

It is currently spring in Rønne, which began on March 20, 2026. Rønne 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 19°C, while the coldest stretch bottoms out in February near 2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Rønne is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 55mm per month. By contrast, February can be quite cold with temperatures dropping to 2°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 Rønne 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.