April weather forecast
Tromsø, Norway

The bridge connecting the city of Tromsø, Norway
The bridge connecting the city of Tromsø, Norway

Weather in April

April is a cold spring month in Tromsø, Norway, with an average temperature varying between 0.7°C (33.3°F) and -4.2°C (24.4°F).

Temperature

In Tromsø, the average high-temperature in April is almost the same as in March - a cold 0.7°C (33.3°F). The average low-temperature, in Tromsø, is -4.2°C (24.4°F).

Humidity

The most humid month in Tromsø, Norway, is April, with an average relative humidity of 89%.

Rainfall

In Tromsø, during April, the rain falls for 10.2 days and regularly aggregates up to 88mm (3.46") of precipitation. Throughout the year, there are 148.1 rainfall days, and 987mm (38.86") of precipitation is accumulated.

Snowfall

Months with snowfall in Tromsø are January through June, September through December. In Tromsø, during April, snow falls for 16.4 days and regularly aggregates up to 370mm (14.57") of snow. Throughout the year, there are 120.1 snowfall days, and 2826mm (111.26") of snow is accumulated.

Sea temperature

In Tromsø, the average water temperature is 4.6°C (40.3°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

In Tromsø, Norway, the average length of the day in April is 16h and 13min.
On the first day of the month, sunrise is at 05:48 and sunset at 19:47. On the last day of April, in Tromsø, Norway, sunrise is at 03:25 and sunset at 21:57 CEST.

Sunshine

In April, the average sunshine in Tromsø is 4.8h.

UV index

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Tromsø. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 1 in April transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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 Tromsø?

The average high-temperature, in April, is 0.7°C (33.3°F), while the average low-temperature is -4.2°C (24.4°F).

What is the most humid month in Tromsø?

With an average relative humidity of 89%, April is the most humid month in Tromsø.

What is the average humidity in April in Tromsø?

The average relative humidity in April in Tromsø is 89%.

How much does it rain in Tromsø in April?

In Tromsø, Norway, in April, during 10.2 rainfall days, 88mm (3.46") of precipitation is typically accumulated.

How much does it snow in Tromsø in April?

In Tromsø, Norway, in April, during 16.4 snowfall days, 370mm (14.57") of snow is typically accumulated.

How cold is the water in April in Tromsø?

In Tromsø, Norway, in April, the average water temperature is 4.6°C (40.3°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.

What is the average length of the day in April in Tromsø?

In April, the average day length in Tromsø, Norway, is 16h and 13min.

What time are sunrise and sunset in April in Tromsø?

On the first day of April in Tromsø, sunrise is at 05:48 and sunset at 19:47. On the last day of the month, sunrise is at 03:25 and sunset at 21:57 CEST.

How long on average sun shines in April in Tromsø?

In April, the average sunshine duration in Tromsø, Norway, is 4.8h.

What is the month with the lowest UV index in Tromsø?

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Tromsø, Norway.

How high is the UV index in April in Tromsø?

In Tromsø, Norway, the average daily maximum UV index in April is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Tromsø, Norway

Average temperature in April - Tromsø, Norway
  • Average high temperature in April: 0.7°C

The warmest month (with the highest average high temperature) is July (13.9°C).
The month with the lowest average high temperature is January (-4.5°C).

  • Average low temperature in April: -4.2°C

The month with the highest average low temperature is July (8.7°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).

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Average pressure in April
Tromsø, Norway

Average pressure in April - Tromsø, Norway
  • Average pressure in April: 1010.2mbar

The month with the highest atmospheric pressure is May (1013.8mbar).
The month with the lowest atmospheric pressure is December (1000.7mbar).

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Average wind speed in April
Tromsø, Norway

Average wind speed in April - Tromsø, Norway
  • Average wind speed in April: 13.9km/h

The windiest month (with the highest average wind speed) is March (17km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).

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Average humidity in April
Tromsø, Norway

Average humidity in April - Tromsø, Norway
  • Average humidity in April: 89%

The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is July (79%).

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Average rainfall in April
Tromsø, Norway

Average rainfall in April - Tromsø, Norway
  • Average rainfall in April: 88mm

The wettest month (with the highest rainfall) is March (103mm).
The driest month (with the least rainfall) is July (55mm).

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Average rainfall days in April
Tromsø, Norway

Average rainfall days in April - Tromsø, Norway
  • Average rainfall days in April: 10.2 days

The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (4.7 days).

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Average snowfall in April
Tromsø, Norway

Average snowfall in April - Tromsø, Norway
  • Average snowfall in April: 370mm

The month with the highest snowfall is March (569mm).
The months with the least snowfall are July and August (0mm).

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Average snowfall days in April
Tromsø, Norway

Average snowfall days in April - Tromsø, Norway
  • Average snowfall days in April: 16.4 days

The month with the highest number of snowfall days is March (22.9 days).
The months with the least snowfall days are July and August (0 days).

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Average sea temperature in April
Tromsø, Norway

Average sea temperature in April - Tromsø, Norway
  • Average sea temperature in April: 4.6°C

The best month for swimming (with the highest average sea temperature) is August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.2°C).

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Average daylight in April /
Average sunshine in April
Tromsø, Norway

Average daylight in April / Average sunshine in April - Tromsø, Norway
  • Average daylight in April: 16h and 13min

The month with the longest days is August (Average daylight: 18h and 1min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in April: 4h and 48min

The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).

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Average sunshine days in April
Tromsø, Norway

Average sunshine days in April - Tromsø, Norway
  • Average sunshine days in April: 8 days

The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is March (6.2 days).

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Average UV index in April
Tromsø, Norway

Average UV index in April - Tromsø, Norway
  • Average UV index in April: 1

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

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Average cloud cover in April
Tromsø, Norway

Average cloud cover in April - Tromsø, Norway
  • Average cloud cover in April: 70

The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 58).

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Average visibility in April
Tromsø, Norway

Average visibility in April - Tromsø, Norway
  • Average visibility in April: 7km

The months with the highest visibility are June, July, August, September, October and November (9km).
The month with the lowest visibility is April (7km).

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