April weather forecast and climate
Roskilde, Denmark

Weather in April

April in Roskilde, Denmark, is a fresh spring month, with average temperature ranging between min 4.8°C (40.6°F) and max 10.5°C (50.9°F).

Temperature

In Roskilde, the average high-temperature in April slightly increases, from a frosty 6°C (42.8°F) in March, to a fresh 10.5°C (50.9°F). The average low-temperature, in Roskilde, is 4.8°C (40.6°F).

Humidity

Months with the lowest humidity are April through July, with an average relative humidity of 77%.

Rainfall

The month with the least rainfall is April when the rain falls for 12.4 days and typically collects 17mm (0.67") of precipitation.

Snowfall

Months with snowfall in Roskilde are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, 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 April, the average sea temperature in Roskilde is 6.3°C (43.3°F).
Note: Swimming in 6.3°C (43.3°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In April, the average length of the day is 14.2h.

Sunshine

The average sunshine in Roskilde is 8.4h.

UV index

In April, the average daily maximum UV index in Roskilde is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the least humid months in Roskilde?

Months with the lowest humidity in Roskilde are April through July, with an average relative humidity of 77%.

What is the average humidity in April in Roskilde?

In April, the average relative humidity is 77%.

What is the driest month in Roskilde?

April is the month with the least rainfall in Roskilde. Rain falls for 12.4 days and accumulates 17mm (0.67") of precipitation.

How many days does it rain in April in Roskilde?

In Roskilde, in April, during 12.4 rainfall days, 17mm (0.67") of precipitation is typically accumulated.

What is the last month it snows in Roskilde?

April is the last month it regularly snows in Roskilde, Denmark. During 0.8 snowfall days, in April, Roskilde aggregates 3mm (0.12") of snow.

What is the sea water temperature in April in Roskilde?

In Roskilde, in April, the average water temperature is 6.3°C (43.3°F). Swimming in 6.3°C (43.3°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Roskilde have in April?

In Roskilde, the average length of the day in April is 14.2h.

How long on average sun shines in April in Roskilde?

In April, the average sunshine in Roskilde, Denmark, is 8.4h.

What is the UV index reading in April in Roskilde?

In April, the average daily maximum UV index in Roskilde is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in April
Roskilde, Denmark

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).
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).

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Average pressure in April
Roskilde, Denmark

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).

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Average wind speed in April
Roskilde, Denmark

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).

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Average humidity in April
Roskilde, Denmark

Average humidity in April - Roskilde, Denmark
  • Average humidity in April: 77%

Months with the highest relative humidity are January, November and December (88%).
Months with the lowest relative humidity are April, May, June and July (77%).

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Average rainfall in April
Roskilde, Denmark

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).

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Average rainfall days in April
Roskilde, Denmark

Average rainfall days in April - Roskilde, Denmark
  • Average rainfall days in April: 12.4 days

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).

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Average snowfall in April
Roskilde, Denmark

Average snowfall in April - Roskilde, Denmark
  • Average snowfall in April: 3mm

The month with the highest snowfall is February (35mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in April
Roskilde, Denmark

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in April
Roskilde, Denmark

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).

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Average daylight in April /
Average sunshine in April
Roskilde, Denmark

Average daylight in April / Average sunshine in April - Roskilde, Denmark
  • Average daylight in April: 14.2h

The month with the longest days is June (Average daylight: 17.4h).
The month with the shortest days is December (Average daylight: 7.1h).

  • Average sunshine in April: 8.4h

The month with the most sunshine is August (Average sunshine: 9.4h).
The month with the least sunshine is December (Average sunshine: 3h).

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Average sunshine days in April
Roskilde, Denmark

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).

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Average UV index in April
Roskilde, Denmark

Average UV index in April - Roskilde, Denmark
  • Average UV index in April: 3

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).

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Average cloud cover in April
Roskilde, Denmark

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).

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Average visibility in April
Roskilde, Denmark

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

Months with the highest visibility are April, June, August and September (10km).
Months with the lowest visibility are January, February, March, May, July, October, November and December (9km).

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