August weather forecast
Roskilde, Denmark

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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. Encouraging sea temperatures coupled with sizable daylight hours make it undoubtedly an attractive time for visitors. Whether it's enjoying watersports or exploring local street markets, August assures an enjoyable stay in Roskilde.

Temperature

August begins with an average high-temperature of a still pleasant 20.3°C (68.5°F), reflecting close similarity to the preceding month. Roskilde's nighttime temperature in August drops to an average of 14.9°C (58.8°F).

Humidity

In Roskilde, the average relative humidity in August is 78%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.9 days and accumulates 45mm (1.77") of precipitation.

Snowfall

May through October are months without snowfall.

Sea temperature

The month with the warmest seawater in Roskilde is August, with an average sea temperature of 18.4°C (65.1°F).
Note: In water with a temperature of 18.4°C (65.1°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.

Daylight

In Roskilde, the average length of the day in August is 14h and 59min.
On the first day of the month, sunrise is at 05:18 and sunset at 21:17. On the last day of August, in Roskilde, Denmark, sunrise is at 06:15 and sunset at 20:07 CEST.

Sunshine

The month with the most sunshine is August, with an average of 9.4h of sunshine.

UV index

The months with the highest UV index in Roskilde are July and August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 5 suggests these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What are August temperatures in Roskilde?

The high-temperature, in August, in Roskilde, records 20.3°C (68.5°F), while the low-temperature is 14.9°C (58.8°F).

What is the average humidity in August in Roskilde?

The average relative humidity in August in Roskilde, Denmark, is 78%.

What is the wettest month in Roskilde?

The month with the most rainfall in Roskilde is August, when the rain falls for 16.9 days and typically aggregates up to 45mm (1.77") of precipitation.

How many days does it rain in August in Roskilde?

In Roskilde, in August, during 16.9 rainfall days, 45mm (1.77") of precipitation is typically accumulated.

When it does not snow in Roskilde?

In Roskilde, Denmark, snow does not fall in May through October.

When is the sea warmest in Roskilde?

The month with the warmest seawater is August, with an average sea temperature of 18.4°C (65.1°F).

What is the sea temperature in August in Roskilde?

In Roskilde, in August, the average water temperature is 18.4°C (65.1°F). For most, swimming in 18.4°C (65.1°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Roskilde have in August?

The average day length in August in Roskilde, Denmark, is 14h and 59min.

When are sunrise and sunset in August in Roskilde?

In August, on the first day of the month, sunrise is at 05:18 and sunset at 21:17. On the last day of the month, in Roskilde, sunrise is at 06:15 and sunset at 20:07 CEST.

What month has the most sunshine in Roskilde?

August has the most sunshine of the year in Roskilde, with an average of 9.4h of sunshine.

How long on average sun shines in August in Roskilde?

The average sunshine duration in August is 9.4h.

What is the month with the highest UV index in Roskilde?

July and August, with an average maximum UV index of 5, are months with the highest UV index in Roskilde.

What is the UV index reading in August in Roskilde?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Roskilde, Denmark

Average temperature in August - Roskilde, Denmark
  • Average high temperature in August: 20.3°C

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).

  • Average low temperature in August: 14.9°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 in August
Roskilde, Denmark

Average pressure in August - Roskilde, Denmark
  • Average pressure in August: 1014mbar

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 in August
Roskilde, Denmark

Average wind speed in August - Roskilde, Denmark
  • Average wind speed in August: 14.4km/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 in August
Roskilde, Denmark

Average humidity in August - Roskilde, Denmark
  • Average humidity in August: 78%

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 in August
Roskilde, Denmark

Average rainfall in August - Roskilde, Denmark
  • Average rainfall in August: 45mm

The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in August
Roskilde, Denmark

Average rainfall days in August - Roskilde, Denmark
  • Average rainfall days in August: 16.9 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 in August
Roskilde, Denmark

Average snowfall in August - Roskilde, Denmark
  • Average snowfall in August: 0mm

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 in August
Roskilde, Denmark

Average snowfall days in August - Roskilde, Denmark
  • Average snowfall days in August: 0 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 in August
Roskilde, Denmark

Average sea temperature in August - Roskilde, Denmark
  • Average sea temperature in August: 18.4°C

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 in August /
Average sunshine in August
Roskilde, Denmark

Average daylight in August / Average sunshine in August - Roskilde, Denmark
  • Average daylight in August: 15h and 0min

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 August: 9h and 2min

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 in August
Roskilde, Denmark

Average sunshine days in August - Roskilde, Denmark
  • Average sunshine days in August: 9.8 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 in August
Roskilde, Denmark

Average UV index in August - Roskilde, Denmark
  • Average UV index in August: 5

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 in August
Roskilde, Denmark

Average cloud cover in August - Roskilde, Denmark
  • Average cloud cover in August: 39

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 in August
Roskilde, Denmark

Average visibility in August - Roskilde, Denmark
  • Average visibility in August: 10km

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).

Roskilde, Denmark

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