April weather forecast
Luleå, Sweden

Weather in April

April in Luleå, Sweden, is a wintry spring month, with an average temperature fluctuating between -1.8°C (28.8°F) and 2.3°C (36.1°F).

Temperature

In April, the average high-temperature marginally rises from a freezing cold -1.7°C (28.9°F) in March to a cold 2.3°C (36.1°F). In April, the average low-temperature is -1.8°C (28.8°F).

Humidity

In April, the average relative humidity in Luleå 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 Luleå are January through May, October through December. In April, it is snowing for 8.4 days. Throughout April, 69mm (2.72") of snow is accumulated. Throughout the year, in Luleå, there are 82.2 snowfall days, and 846mm (33.31") of snow is accumulated.

Sea temperature

In Luleå, in April, the average water temperature is 0.4°C (32.7°F).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The average length of the day in April is 15h and 22min.
On the first day of April, sunrise is at 05:45 and sunset at 19:24. On the last day of the month, sunrise is at 03:55 and sunset at 21:02 CEST.

Sunshine

In Luleå, the average sunshine in April is 6.3h.

UV index

In Luleå, the average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in April transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Luleå?

The average high-temperature, in April, is 2.3°C (36.1°F), while the average low-temperature is -1.8°C (28.8°F).

What is the average humidity in April in Luleå?

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

What is the driest month in Luleå?

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

How many days does it rain in April in Luleå?

In Luleå, Sweden, in April, it is raining for 9.3 days, with typically 25mm (0.98") of accumulated precipitation.

How many days does it snow in April in Luleå?

In April, it is snowing for 8.4 days. Throughout April, 69mm (2.72") of snow is accumulated.

What is the water temperature in April in Luleå?

In Luleå, Sweden, in April, the average water temperature is 0.4°C (32.7°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

How many hours of daylight does Luleå have in April?

In April, the average day length is 15h and 22min.

When is the sunrise / sunset in April in Luleå?

In April, on the first day of the month, sunrise is at 05:45 and sunset at 19:24. On the last day of the month, sunrise is at 03:55 and sunset at 21:02 CEST.

How long on average sun shines in April in Luleå?

In Luleå, Sweden, the average sunshine duration in April is 6.3h.

How high is the UV index in April in Luleå?

In Luleå, the average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.

Average temperature in April
Luleå, Sweden

Average temperature in April - Luleå, 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).

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Average pressure in April
Luleå, Sweden

Average pressure in April - Luleå, 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).

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Average wind speed in April
Luleå, Sweden

Average wind speed in April - Luleå, 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).

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Average humidity in April
Luleå, Sweden

Average humidity in April - Luleå, 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%).

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Average rainfall in April
Luleå, Sweden

Average rainfall in April - Luleå, 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).

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Average rainfall days in April
Luleå, Sweden

Average rainfall days in April - Luleå, 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).

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Average snowfall in April
Luleå, Sweden

Average snowfall in April - Luleå, 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).

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Average snowfall days in April
Luleå, Sweden

Average snowfall days in April - Luleå, 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).

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Average sea temperature in April
Luleå, Sweden

Average sea temperature in April - Luleå, Sweden
  • Average sea temperature in April: 0.4°C

The best month for swimming (with the highest average sea temperature) is July (16.3°C).
The coldest month (with the lowest average sea temperature) is February (-0.7°C).

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Average daylight in April /
Average sunshine in April
Luleå, Sweden

Average daylight in April / Average sunshine in April - Luleå, Sweden
  • Average daylight in April: 15h and 22min

The month with the longest days is June (Average daylight: 22h and 29min).
The month with the shortest days is December (Average daylight: 3h and 29min).

  • Average sunshine in April: 6h and 18min

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).

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Average sunshine days in April
Luleå, Sweden

Average sunshine days in April - Luleå, 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).

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Average UV index in April
Luleå, Sweden

Average UV index in April - Luleå, 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).

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Average cloud cover in April
Luleå, Sweden

Average cloud cover in April - Luleå, 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).

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Average visibility in April
Luleå, Sweden

Average visibility in April - Luleå, 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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