Climate and monthly weather forecastRønne, Denmark
Climate and monthly weather forecast
The climate of Rønne
Grounded within the scope of the Köppen climate classification, Rønne experiences a Marine West Coast climate with warm summers. This climatic category, designated as Cfb, distinctly emphasizes Rønne's geographical positioning on the coast of Denmark. A friendly encounter with Rønne's weather brings along it a visual feast of fluctuating climatic parameters throughout the year.The watchword in Rønne's climate is variability. Temperatures range from a crisp 1.2°C (34.2°F) in the dawns of January to a lively 19.3°C (66.7°F) in the heat of August afternoons. Beyond the thermometer, humidity hangs persistently high, hovering consistently between 77 and 84%, offering a moist embrace to the town throughout the year. Despite this relative consistency, Rønne does exhibit annual peaks and troughs. March witnesses rainfall at a figure of 22mm (0.87"), while the mercury soars in August, topping out at 19.3°C (66.7°F) and nudging the temperature of the sea to 17.8°C (64°F).
Amid this fluctuation, it is the pattern of rainfall that demands a special mention. Rain appears to have a favored rendezvous with Rønne, varying between 12mm (0.47") to 43mm (1.69") across the year. This, coupled with an average of about 10 to 16 rainy days every month, adorns Rønne with a near-constant tapestry of moisture-laden skies. Meanwhile, snowfall can be expected from 2mm (0.08") to 36mm (1.42") primarily in winter months while the spoils of a sunny day are irregularly distributed over the year.
The best time to visit Rønne
The principal facilitator of an unforgettable trip, the weather, aligns favorably with tourist expectations between May and September in Rønne. Temperatures in this phase range from 11.7°C (53.1°F) to 19.3°C (66.7°F), offering a cool yet comfortable climate to tourists. The possibility of rain lingers with an average monthly rainfall between 23mm (0.91") and 43mm (1.69"). However, the plentiful sunshine of approximately 10 hours per day, along with sea temperatures rising to a peak of 17.8°C (64°F), contributes towards creating a balanced climatic equation favoring outdoor activities.The worst time to visit Rønne
The period encompassing the months from December to February earmarks the harshest weather conditions in Rønne. The temperatures dip to lows of 0.8°C (33.4°F) in February while the sea temperature scarcely surpasses 3.1°C (37.6°F) in January. The skies aren't too generous either, with sunlight durations dwindling to as low as 2.9 hours per day in December, accompanied by heightened snowfall, reaching 36mm (1.42") in December.Spring weather in Rønne
From March to May, Rønne welcomes spring with temperatures climbing steadily from 4.2°C (39.6°F) to 11.7°C (53.1°F). Rainfall oscillates, shifting from 22mm (0.87") to 23mm (0.91") while sunny days manifest themselves progressively more frequently as daylight lingers for 14.2 hours to 16.2 hours. Adding to the spirit of rejuvenation, the sea temperature warms up from 2.4°C (36.3°F) in March to 8.7°C (47.7°F) in May, signaling an upcoming summer.Summer weather in Rønne
Between June and August, Rønne indulges a warm summer. Relative humidity dips to its lowest at 77%, while temperatures bask in the pleasing warmth of 15.8°C (60.4°F) to 19.3°C (66.7°F). Sea temperatures peak between 14.1°C (57.4°F) and 17.8°C (64°F). Rainfall, despite a modest increase to a peak of 43mm (1.69") in July, scarcely dilutes the joy of an average of 10 sunlit hours per day.Autumn weather in Rønne
September commemorates the onset of autumn, which lasts till November with temperatures descending from 16.5°C (61.7°F) to 8.5°C (47.3°F). Rainfall persists around the 30mm (1.18") mark each month, while daylight hours gradually shrink from 12.7 to 8.4. Despite the fading warmth, the sea retains much of its summer heat, cooling off from 16.4°C (61.5°F) to 9.4°C (48.9°F) over the three months.Winter weather in Rønne
The wintry months of December to February are characterized by temperatures seldom edging above 3.2°C (37.8°F) and dipping as low as 0.8°C (33.4°F) in February. Sea temperatures too plummet from 6°C (42.8°F) in December to 2.7°C (36.9°F) in February. The receding daylight times compound the winter effect, dropping to an average of 7.3 hours in December, while snowfall extends from 4mm (0.16") to 36mm (1.42") over these months, patterning Rønne with a shroud of sparkling white.Weather in January
Being the first month, January in Rønne, Denmark experiences often overcast skies, with humidity levels remaining steady. The brisk winds add to the wintry feel of the weather, making the temperature seem colder than it is. Significantly, with snowfall measuring 36mm (1.42"), this month has the highest level of snowfall for the entire year. Weather in January »Weather in February
Transitioning into February, one may observe subtle but certain changes in the Rønne's climate. The snowfall lessens compared to January, yet doesn't entirely cease. The temperature continues to be low, and the month sprinkles in a fair share of rain. Weather in February »Weather in March
As winter gives way to spring, March in Rønne, Denmark signals this shift with warmer temperatures. Cloud cover decreases, allowing more sun hours thereby increasing the laxity of outdoor activities. From gloom to bloom, March is a turning point in the weather scenario. Weather in March »Weather in April
April finds Rønne weather slowly embracing the warmer days. Sunshine hours extend, calling for longer days outdoors. The cold winds start to scatter, dialing down the chilly feel. The city witnesses negligible snowfall, evidencing the onset of a temperate phase. Weather in April »Weather in May
May in Rønne, Denmark is a rejuvenating month with blooming flora and rising temperatures. With snowfall out of the picture, and an increase in sunlight, the city comes alive during May. Residents and tourists enjoy the outdoors, soaking up longer daylight hours. Weather in May »Weather in June
June’s arrival brings with it the long-awaited summer season to Rønne. The days grow longer and the city basks in abundant sunlight. The light winds and clear skies present a picturesque beach-setting. Humidity levels retain a steady percentage, ensuring comfort. Weather in June »Weather in July
Spotlight on summer, July in Rønne, Denmark showcases the best of the season. This is the zenith of summer, characterized by balmy weather, the highest day temperature of 18.8°C (65.8°F) and generous sunshine hours. More daylight paves way for extended outdoor activities and sightseeing opportunities. Weather in July »Weather in August
August emulates the pleasant weather trends of its predecessor, July. Still embroiled in the summer season, Rønne sees warm days and cool nights. The sea continues to be warm at a near-maximum of 17.8°C (64°F), making for an enjoyable seaside experience. Weather in August »Weather in September
September in Rønne marks the beginning of the fall season. A shift in atmospheric pressure indicates the onset of the transition from summer to autumn. While the nights start to grow cooler, the days maintain mild temperatures. Weather in September »Weather in October
As October unfolds in Rønne, Denmark, the weather starts to cool. The temperatures drop consistently and the vibrant fall foliage adds an earthy hue to the city. October attracts less sunshine hours, bringing in shorter days. The city witnesses increased rainfall, making indoor activities more prevalent. Weather in October »Weather in November
Welcoming the onset of winter, November in Rønne is prominently colder. Residents and tourists trade their lightweight wear for warmer attire as the city adapts to dropping temperatures. An increase in rainfall is accompanied by stronger winds. Weather in November »Weather in December
Closing the year, December in Rønne, Denmark exhibits full-blown winter characteristics. The city is gripped by a cold wave, and residents experience the shortest days of the year. Snowfall resumes in full force, blanketing the city in a winter wonderland. Weather in December »Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the highest humidity in Rønne are January and February, with an average relative humidity of 84%.
Throughout the year, in Rønne, there are 151 rainfall days, and 345mm (13.58") of precipitation is accumulated.
Months with snowfall in Rønne are January through April, November and December.
The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 36mm (1.42") of snow.
Throughout the year, there are 25.3 snowfall days, and 107mm (4.21") of snow is accumulated.
January is the month with the lowest UV index, with an average maximum UV index of 1.
February, characterized by an average high temperature of 2.7°C (36.9°F) and a low temperature of 0.8°C (33.4°F), is generally the coldest month.
The month with the coldest seawater in Rønne is March, with an average sea temperature of 2.4°C (36.3°F).
The month with the least rainfall in Rønne is April, when the rain falls for 8.6 days and typically collects 12mm (0.47") of precipitation.
In Rønne, Denmark, snow does not fall in May through October.
June has the longest days of the year, with an average of 17h and 18min of daylight.
The months with the highest UV index in Rønne are June through August, with an average maximum UV index of 5.
The month with the most rainfall in Rønne, Denmark, is July, when the rain falls for 15.4 days and typically aggregates up to 43mm (1.69") of precipitation.
August, with its high-temperature average of 19.3°C (66.7°F) and a low-temperature average of 16.6°C (61.9°F), is the warmest month.
The months with the lowest humidity are August and September, with an average relative humidity of 77%.
August is the month with the warmest seawater in Rønne, Denmark, with an average sea temperature of 17.8°C (64°F).
With an average of 10.3h of sunshine, August has the most sunshine of the year.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
With an average of 7h and 18min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 2.9h of sunshine.
Average temperature
Rønne, Denmark
The warmest month (with the highest average high temperature) is August (19.3°C).
The month with the lowest average high temperature is February (2.7°C).
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure
Rønne, Denmark
- Average pressure in January:
1013.5mbar - Average pressure in February:
1013.6mbar - Average pressure in March:
1014.4mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1015.7mbar - Average pressure in June:
1014.3mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1014.6mbar - Average pressure in September:
1015.8mbar - Average pressure in October:
1015.7mbar - Average pressure in November:
1012.2mbar - Average pressure in December:
1012mbar
The month with the highest atmospheric pressure is September (1015.8mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed
Rønne, Denmark
- Average wind speed in January:
30.6km/h - Average wind speed in February:
28.8km/h - Average wind speed in March:
25.9km/h - Average wind speed in April:
23.8km/h - Average wind speed in May:
22.4km/h - Average wind speed in June:
21.8km/h
- Average wind speed in July:
22.7km/h - Average wind speed in August:
22.6km/h - Average wind speed in September:
26.7km/h - Average wind speed in October:
28.7km/h - Average wind speed in November:
28.8km/h - Average wind speed in December:
32.5km/h
The windiest month (with the highest average wind speed) is December (32.5km/h).
The calmest month (with the lowest average wind speed) is June (21.8km/h).
Average humidity
Rønne, Denmark
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall
Rønne, Denmark
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days
Rønne, Denmark
- Average rainfall days in January:
11.7 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
8.6 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
15.4 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
14.4 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
16.6 days
The month with the highest number of rainy days is December (16.6 days).
The month with the least rainy days is April (8.6 days).
Average snowfall
Rønne, Denmark
The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Rønne, Denmark
- Average snowfall days in January:
7.8 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
4.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Rønne, Denmark
The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (2.4°C).
Average daylight / Average sunshine
Rønne, Denmark
- Average daylight in January:
7h and 54min - Average daylight in February:
9h and 42min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 12min - Average daylight in May:
16h and 12min - Average daylight in June:
17h and 18min
- Average daylight in July:
16h and 42min - Average daylight in August:
14h and 54min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 30min - Average daylight in November:
8h and 24min - Average daylight in December:
7h and 18min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 54min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 36min - Average sunshine in October:
4h and 36min - Average sunshine in November:
3h and 42min - Average sunshine in December:
2h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days
Rønne, Denmark
- Average sunshine days in January:
9.5 days - Average sunshine days in February:
10.7 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
19 days - Average sunshine days in May:
17.5 days - Average sunshine days in June:
17.2 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
12.8 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
10.2 days - Average sunshine days in December:
6.5 days
The month with the most sunshine days is April (19 days).
The month with the least sunshine days is December (6.5 days).
Average UV index
Rønne, Denmark
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Rønne, Denmark
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility
Rønne, Denmark
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
