Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Roskilde?
What is the average humidity in August in Roskilde?
What is the wettest month in Roskilde?
How many days does it rain in August in Roskilde?
When it does not snow in Roskilde?
When is the sea warmest in Roskilde?
What is the sea temperature in August in Roskilde?
How many hours of daylight does Roskilde have in August?
When are sunrise and sunset in August in Roskilde?
What month has the most sunshine in Roskilde?
How long on average sun shines in August in Roskilde?
What is the month with the highest UV index in Roskilde?
What is the UV index reading in August in Roskilde?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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