Climate and monthly weather forecastRoskilde, Denmark
Climate and monthly weather forecast
The climate of Roskilde
Roskilde, a captivating city in Denmark, is nestled under the classification of Cfb or Marine West Coast, warm summer according to the Köppen climatic classification. The city experiences moderate, damp climates throughout the year, with cool summers and no dry season.Throughout the year, temperatures in Roskilde show a significant range, exhibiting both warmth and coolness. The mercury levels can slide as low as -0.6°C (30.9°F) during chilly February nights or can rise to as immense as 20.4°C (68.7°F) in distinctively warm July. The lowest temperatures are typically seen from December to February, while the highest ones make an appearance from June to August.
Roskilde receives an average rainfall varying from 17mm (0.67") in April to 45mm (1.77") in August, presenting August as the month with the maximum rainfall. Interestingly, rainfall days are maximum in May and July with 16.9 days, despite August carrying the heaviest rainfall. The relative humidity remains high throughout the year with minor variations, ranging from 77% in the period of April to July, escalating to 88% in January and December.
The overcast state of Roskilde is corroborated by cloud percentage that takes a brisk rise from 39% in August to 71% in December.
The winds in Roskilde demonstrate a moderate blow with speeds fluctuating between 13.9km/h (8.6mph) in July to 19.1km/h (11.9mph) in December. The maximum wind speed tends to increase accordingly, reaching up to 20.3km/h (12.6mph) in December.
The best time to visit Roskilde
Vacationers seeking warmth and ample sunshine should consider visiting Roskilde during the summer months (June, July, and August). The comfortable temperatures, sitting between 18.4°C (65.1°F) to 20.4°C (68.7°F), and amplified daylight hours as high as 17.4 hours in June make for splendid conditions for sightseeing and other outdoor activities.The worst time to visit Roskilde
The periods of chilly weather from December to February should better be avoided by tourists. Temperatures can drop significantly during these months, reaching as low as -0.6°C (30.9°F) in February. It is also in this duration that Roskilde sees a higher percentage of cloud cover, reaching 71% in December, which limits sunshine and results in grittier weather conditions.Spring weather in Roskilde
Spring in Roskilde (lasting from March to May) witnesses a moderate climb in temperatures from 6°C (42.8°F) in March to 14.9°C (58.8°F) in May. However, this period accompanies an enlarged quantity of rainfall with the numbers sliding from 21mm (0.83") in March to 33mm (1.3") in May.Summer weather in Roskilde
Roskilde sees mild summer weather that generally persists from June through August. The temperatures hover between 18.4°C (65.1°F) to 20.4°C (68.7°F), and the humidity remains quite stable at 77%. The abundance of daylight, exceeding 16 hours from June to August, provides a long day for activities and exploration.Autumn weather in Roskilde
Autumn is marked with mild to cool temperatures from September to November. The temperature starts falling from September, moving from 16.9°C (62.4°F) and settling at 4.5°C (40.1°F) by November. Rainfall increases to its peak in August and then starts to decrease, making November the driest autumn month with rainfall of 26mm (1.02").Winter weather in Roskilde
The winter season engulfs Roskilde from December to February, displaying a drop in temperatures that oscillates between 2.8°C (37°F) to -0.6°C (30.9°F). The chilly conditions are supplemented by elevated wind speeds, soaring to a high of 19.1km/h (11.9mph) in December. The city witnesses an average snowfall of 25mm (0.98") to 35mm (1.38") in December and January, transforming the city into a winter wonderland.Weather in January
January welcomes the new year with colder weather in Roskilde, Denmark, characterized by sporadic snowfall. The cold sweeps the city with the lowest monthly temperature value dipping to -0.1°C (31.8°F), trapped under the blanket of clouds covering approximately 69% of the skyline. Weather in January »Weather in February
February follows in the footsteps of January with similar cold climatic conditions. The winter continues its reign as the mercury struggles to break out of the negative degrees, but slightly improved sea temperatures might invite the daring for some frosty dips. Weather in February »Weather in March
March signals the onset of spring in Roskilde with a noticeable shift in weather conditions from the preceding months. An upswing in average temperature values hardly evokes memories of the bone-chilling cold from the start of the year. Weather in March »Weather in April
April showcases the delightful side of spring in Roskilde, Denmark. The average temperature further rises, distancing itself favorably from the justifiable chills of the winter months. This positive trajectory in climate changes, coupled with extended daylight hours, augments the city ambiance with more vibrancy. Weather in April »Weather in May
In May, the temperate weather of Roskilde leans notably towards the warmer side. Characterized by dropping humidity levels and a dwindling percentage of cloud coverage, May is often considered a harbinger of summer. Rainfall becomes a more frequent occurrence, lending a freshened appearance to the cityscape. Weather in May »Weather in June
June marks the onset of summer in Roskilde with an elevation in both temperature and relative humidity. The city stands in stark contrast to the earlier part of the year with comfortably warm temperatures that dominate the climate. Weather in June »Weather in July
July, with the highest average temperature value of 20.4°C (68.7°F), secures its position as Roskilde's warmest month. The surplus of sunlight hours continues to illuminate the city, promoting an extended exploration of cultural sites and festivals. Weather in July »Weather in August
August, mirroring July's climate, extends the warm welcoming embrace of summer in Roskilde. While retaining the warm temperature, August does witness the highest recorded rainfall. This precipitation, however, rarely dampens the overall vibrant atmosphere of the city under the summer sun. Weather in August »Weather in September
September witnesses the transition of seasons in Roskilde, marking the oncoming autumn while bidding farewell to the retreat of summer. Decreasing temperature values break the continuity of summer dominance, paving the way to a crisper climate. Weather in September »Weather in October
October solidifies the presence of autumn in Roskilde with a considerable drop in temperature compared to September. As the days draw shorter, the presence of clouds in the skyline increases, casting a shaded pallor over the city. Weather in October »Weather in November
November presents itself as a prelude to the approaching winter in Roskilde. Noticeably cooler than October, November presents a retreating sunshine duration, dwindling daylight hours, and the return of a colder breeze. An increasing prevalence of cloudy skies across the city sets a whimsical atmosphere, occasionally broken by rainfall. Weather in November »Weather in December
December ushers in the chilly grasp of winter in Roskilde. The plummeting temperature value, reaching as low as 1.8°C (35.2°F) echo the mood of deep winter. Snowfall makes a return, transforming the city into a picturesque 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 lowest level of Roskilde's temperatures is noted during January and February, averaging a high-temperature of 2.8°C (37°F).
The months with the highest humidity are January, November and December, with an average relative humidity of 88%.
Throughout the year, there are 166.6 rainfall days, and 341mm (13.43") of precipitation is accumulated.
January through April, November and December are months with snowfall in Roskilde, Denmark.
Throughout the year, there are 26.6 snowfall days, and 122mm (4.8") of snow is accumulated.
With an average maximum UV index of 1, January is the month with the lowest UV index in Roskilde, Denmark.
The month with the most snowfall is February, when snow falls for 7.4 days and typically aggregates up to 35mm (1.38") of snow.
February is the month with the coldest seawater, with an average sea temperature of 2.1°C (35.8°F).
The months with the lowest humidity are April through July, with an average relative humidity of 77%.
April is the month with the least rainfall in Roskilde, Denmark. Rain falls for 12.4 days and accumulates 17mm (0.67") of precipitation.
May through October are months without snowfall in Roskilde, Denmark.
The month with the longest days is June, with an average of 17h and 24min of daylight.
July is Roskilde's warmest month, registering average high temperatures of 20.4°C (68.7°F) and lows of 13.8°C (56.8°F).
The months with the highest UV index in Roskilde, Denmark, are July and August, with an average maximum UV index of 5.
The month with the most rainfall in Roskilde, Denmark, is August, when the rain falls for 16.9 days and typically aggregates up to 45mm (1.77") of precipitation.
The month with the warmest seawater is August, with an average sea temperature of 18.4°C (65.1°F).
August has the most sunshine of the year, with an average of 9.4h of sunshine.
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.
The month with the shortest days in Roskilde, Denmark, is December, with an average of 7h and 12min of daylight.
The month with the least sunshine in Roskilde is December, with an average of 3h of sunshine.
Average temperature
Roskilde, Denmark
The warmest month (with the highest average high temperature) is July (20.4°C).
The months with the lowest average high temperature are January and February (2.8°C).
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).
Average pressure
Roskilde, Denmark
- Average pressure in January:
1012.8mbar - Average pressure in February:
1013mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1015.5mbar - Average pressure in June:
1014.2mbar
- Average pressure in July:
1013.1mbar - Average pressure in August:
1014mbar - Average pressure in September:
1015.3mbar - Average pressure in October:
1015mbar - Average pressure in November:
1011.3mbar - Average pressure in December:
1011.2mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed
Roskilde, Denmark
- Average wind speed in January:
18.4km/h - Average wind speed in February:
17.8km/h - Average wind speed in March:
16.4km/h - Average wind speed in April:
14.5km/h - Average wind speed in May:
14.1km/h - Average wind speed in June:
14km/h
- Average wind speed in July:
13.9km/h - Average wind speed in August:
14.4km/h - Average wind speed in September:
16km/h - Average wind speed in October:
17.3km/h - Average wind speed in November:
17.1km/h - Average wind speed in December:
19.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity
Roskilde, Denmark
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April, May, June and July (77%).
Average rainfall
Roskilde, Denmark
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days
Roskilde, Denmark
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
15.4 days - Average rainfall days in November:
14.5 days - Average rainfall days in December:
13.4 days
The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is February (9.1 days).
Average snowfall
Roskilde, Denmark
The month with the highest snowfall is February (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Roskilde, Denmark
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.8 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 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Roskilde, Denmark
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is February (2.1°C).
Average daylight / Average sunshine
Roskilde, Denmark
- Average daylight in January:
7h and 48min - Average daylight in February:
9h and 36min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 12min - Average daylight in May:
16h and 18min - Average daylight in June:
17h and 24min
- Average daylight in July:
16h and 54min - Average daylight in August:
15h and 0min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 24min - Average daylight in November:
8h and 18min - Average daylight in December:
7h and 12min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 6min - Average sunshine in March:
5h and 12min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 6min - Average sunshine in August:
9h and 24min - Average sunshine in September:
7h and 42min - Average sunshine in October:
4h and 12min - Average sunshine in November:
3h and 12min - Average sunshine in December:
3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days
Roskilde, Denmark
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
12.1 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
9.8 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
12.7 days - Average sunshine days in November:
12 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is August (9.8 days).
Average UV index
Roskilde, Denmark
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Roskilde, Denmark
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility
Roskilde, Denmark
The months with the highest visibility are April, June, August and September (10km).
The months with the lowest visibility are January, February, March, May, July, October, November and December (9km).
