April weather forecast
Karlsvik, Sweden

April

Weather in April

April is a cold spring month in Karlsvik, Sweden, with an average temperature ranging between max 2.3°C (36.1°F) and min -1.8°C (28.8°F).

Temperature

The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's freezing cold -1.7°C (28.9°F) to an icy 2.3°C (36.1°F). Recording a slight decline in temperature during the nights, Karlsvik's April temperatures average at a subzero cold -1.8°C (28.8°F).

Humidity

In Karlsvik, the average relative humidity in April is 90%.

Rainfall

April is the month with the least rainfall. Rain falls for 9.3 days and accumulates 25mm (0.98") of precipitation.

Snowfall

Months with snowfall in Karlsvik, Sweden, are January through May, October through December. In Karlsvik, in April, during 8.4 snowfall days, 69mm (2.72") of snow is typically accumulated. In Karlsvik, Sweden, during the entire year, snow falls for 82.2 days and aggregates up to 846mm (33.31") of snow.

Daylight

In Karlsvik, the average length of the day in April is 15h and 22min.
On the first day of April in Karlsvik, sunrise is at 05:44 and sunset at 19:26. On the last day of the month, sunrise is at 03:53 and sunset at 21:04 CEST.

Sunshine

The average sunshine in April in Karlsvik is 6.3h.

UV index

In April, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in April interprets into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

How cold is it in Karlsvik in April?
In Karlsvik, in April, the average high-temperature is 2.3°C (36.1°F), and the average low-temperature is -1.8°C (28.8°F).
What is the average humidity in April in Karlsvik?
In April, the average relative humidity in Karlsvik, Sweden, is 90%.
What is the driest month in Karlsvik?
April is the month with the least rainfall in Karlsvik, Sweden. Rain falls for 9.3 days and accumulates 25mm (0.98") of precipitation.
How much does it rain in Karlsvik in April?
In April, in Karlsvik, the rain falls for 9.3 days. Throughout April, 25mm (0.98") of precipitation is accumulated.
How much does it snow in Karlsvik in April?
In Karlsvik, Sweden, in April, during 8.4 snowfall days, 69mm (2.72") of snow is typically accumulated.
What is the average length of the day in April in Karlsvik?
In Karlsvik, Sweden, the average day length in April is 15h and 22min.
When is the sunrise / sunset in April in Karlsvik?
In April, on the first day of the month, sunrise is at 05:44 and sunset at 19:26. On the last day of the month, in Karlsvik, Sweden, sunrise is at 03:53 and sunset at 21:04 CEST.
How long on average sun shines in April in Karlsvik?
In April, the average sunshine duration in Karlsvik is 6.3h.
How high is the UV index in April in Karlsvik?
The average daily maximum UV index in April in Karlsvik is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in April
Karlsvik, Sweden
  • Average high temperature in April: 2.3°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).

  • Average low temperature in April: -1.8°C

The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).

Average pressure in April
Karlsvik, Sweden
  • Average pressure in April: 1011.7mbar

The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).

Average wind speed in April
Karlsvik, Sweden
  • Average wind speed in April: 13km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).

Average humidity in April
Karlsvik, Sweden
  • Average humidity in April: 90%

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).

Average rainfall in April
Karlsvik, Sweden
  • Average rainfall in April: 25mm

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in April
Karlsvik, Sweden
  • Average rainfall days in April: 9.3 days

The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).

Average snowfall in April
Karlsvik, Sweden
  • Average snowfall in April: 69mm

The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Karlsvik, Sweden
  • Average snowfall days in April: 8.4 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Karlsvik, Sweden
  • Average daylight in April: 15h and 2min

The month with the longest days is June (Average daylight: 22h and 30min).
The month with the shortest days is December (Average daylight: 3h and 30min).

  • Average sunshine in April: 6h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).

Average sunshine days in April
Karlsvik, Sweden
  • Average sunshine days in April: 11.9 days

The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).

Average UV index in April
Karlsvik, Sweden
  • Average UV index in April: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in April
Karlsvik, Sweden
  • Average cloud cover in April: 59

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in April
Karlsvik, Sweden
  • Average visibility in April: 7km

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).

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