Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift into April in Roskilde is characterized by a subtle rise in the average high-temperature, transitioning from March's chilly 6°C (42.8°F) to a cool 10.5°C (50.9°F). During April, the temperature is averaged to a low of 4.8°C (40.6°F) at night.Humidity
April through July, with an average relative humidity of 77%, are the least humid months in Roskilde.Rainfall
April is the month with the least rainfall in Roskilde. Rain falls for 12.4 days and accumulates 17mm (0.67") of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Roskilde. During 0.8 snowfall days, in April, Roskilde aggregates 3mm (0.12") of snow. In Roskilde, during the entire year, snow falls for 26.6 days and aggregates up to 122mm (4.8") of snow.Sea temperature
In Roskilde, in April, the average water temperature is 6.3°C (43.3°F).Note: You can swim in 6.3°C (43.3°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.
Daylight
In April, the average length of the day is 14h and 12min.On the first day of the month, sunrise is at 06:40 and sunset at 19:49. On the last day of April, sunrise is at 05:29 and sunset at 20:47 CEST.
Sunshine
In Roskilde, the average sunshine in April is 8.4h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Roskilde?
What are the least humid months in Roskilde?
What is the average humidity in April in Roskilde?
What is the driest month in Roskilde?
How much does it rain in Roskilde in April?
What is the last month it snows in Roskilde?
What is the sea water temperature in April in Roskilde?
What is the average length of the day in April in Roskilde?
What time are sunrise and sunset in April in Roskilde?
How long on average sun shines in April in Roskilde?
How high is the UV index in April in Roskilde?
Average temperature in April
Roskilde, Denmark
- Average high temperature in April: 10.5°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 April: 4.8°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 in April
Roskilde, Denmark
- Average pressure in April: 1015.6mbar
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 April
Roskilde, Denmark
- Average wind speed in April: 14.5km/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 April
Roskilde, Denmark
- Average humidity in April: 77%
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 April
Roskilde, Denmark
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in April
Roskilde, Denmark
- Average rainfall days in April: 12.4 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 in April
Roskilde, Denmark
- Average snowfall in April: 3mm
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 April
Roskilde, Denmark
- Average snowfall days in April: 0.8 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 April
Roskilde, Denmark
- Average sea temperature in April: 6.3°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 April /
Average sunshine in April
Roskilde, Denmark
- Average daylight in April: 14h and 1min
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 April: 8h 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 April
Roskilde, Denmark
- Average sunshine days in April: 14.6 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 April
Roskilde, Denmark
- Average UV index in April: 3
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 April
Roskilde, Denmark
- Average cloud cover in April: 42
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 April
Roskilde, Denmark
- Average visibility in April: 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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