April weather forecast
Hammerfest, Norway

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Weather in April

April witnesses a significant change with the transition to spring becoming more evident. This shift is welcome along with longer daylight hours, making it increasingly pleasant for outdoor activities. While the chill of winter still lingers, levels of snowfall drop considerably from march to 120mm (4.72") - signaling the arrival of spring. April's weather could be regarded as a pleasant blend of the remaining winter season and the upcoming spring.

Temperature

April's presence records an average high-temperature of a cold 1.4°C (34.5°F), closely mirroring March's climate. Hammerfest, during April nights, experiences a subtle shift to a low average of -1.6°C (29.1°F) from the day's heat.

Humidity

The months with the highest humidity are April and May, with an average relative humidity of 83%.

Rainfall

In April, the rain falls for 9.1 days. Throughout April, 39mm (1.54") of precipitation is accumulated. In Hammerfest, during the entire year, the rain falls for 126 days and collects up to 490mm (19.29") of precipitation.

Snowfall

January through June, September through December are months with snowfall. In April, in Hammerfest, it is snowing for 12.8 days. Throughout April, 120mm (4.72") of snow is accumulated. In Hammerfest, during the entire year, snow falls for 96.3 days and aggregates up to 928mm (36.54") of snow.

Sea temperature

In Hammerfest, in April, the average water temperature is 4.9°C (40.8°F).
Note: While participating in swimming, this is a serious life-threatening situation. Breathing becomes unmanageable, making lucid thinking almost impossible. The use of a specialized swimsuit is crucial to control thermal loss.

Daylight

In Hammerfest, the average length of the day in April is 16h and 30min.
On the first day of the month, sunrise is at 05:22 and sunset at 19:35. On the last day of April, sunrise is at 02:46 and sunset at 21:58 CEST.

Sunshine

The average sunshine in April in Hammerfest is 5.3h.

UV index

The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 2 in April, converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold is April in Hammerfest?

In Hammerfest, in April, the average high-temperature is 1.4°C (34.5°F), and the average low-temperature is -1.6°C (29.1°F).

What are the most humid months in Hammerfest?

April and May, with an average relative humidity of 83%, are most humid months.

What is the average humidity in April in Hammerfest?

In Hammerfest, the average relative humidity in April is 83%.

How much does it rain in Hammerfest in April?

In Hammerfest, in April, during 9.1 rainfall days, 39mm (1.54") of precipitation is typically accumulated.

How many days does it snow in April in Hammerfest?

In Hammerfest, Norway, in April, snow falls for 12.8 days, with typically accumulated 120mm (4.72") of snow.

How cold is the water in April in Hammerfest?

In Hammerfest, the average seawater temperature in April is 4.9°C (40.8°F). 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.

How many hours of daylight does Hammerfest have in April?

In April, the average day length in Hammerfest is 16h and 30min.

When are sunrise and sunset in April in Hammerfest?

In April, on the first day of the month, sunrise is at 05:22 and sunset at 19:35. On the last day of the month, sunrise is at 02:46 and sunset at 21:58 CEST.

How long on average sun shines in April in Hammerfest?

The average sunshine duration in April is 5.3h.

How high is the UV index in April in Hammerfest?

The average daily maximum UV index in April in Hammerfest is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Hammerfest, Norway

Average temperature in April - Hammerfest, Norway
  • Average high temperature in April: 1.4°C

The warmest month (with the highest average high temperature) is July (12.7°C).
The months with the lowest average high temperature are January and February (-2.3°C).

  • Average low temperature in April: -1.6°C

The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).

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Average pressure in April
Hammerfest, Norway

Average pressure in April - Hammerfest, Norway
  • Average pressure in April: 1009.5mbar

The month with the highest atmospheric pressure is May (1013.8mbar).
The month with the lowest atmospheric pressure is December (1000.5mbar).

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Average wind speed in April
Hammerfest, Norway

Average wind speed in April - Hammerfest, Norway
  • Average wind speed in April: 21km/h

The windiest month (with the highest average wind speed) is March (25.3km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).

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Average humidity in April
Hammerfest, Norway

Average humidity in April - Hammerfest, Norway
  • Average humidity in April: 83%

The months with the highest relative humidity are April and May (83%).
The months with the lowest relative humidity are March and June (79%).

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Average rainfall in April
Hammerfest, Norway

Average rainfall in April - Hammerfest, Norway
  • Average rainfall in April: 39mm

The wettest month (with the highest rainfall) is March (47mm).
The driest months (with the least rainfall) are September and December (33mm).

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Average rainfall days in April
Hammerfest, Norway

Average rainfall days in April - Hammerfest, Norway
  • Average rainfall days in April: 9.1 days

The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in April
Hammerfest, Norway

Average snowfall in April - Hammerfest, Norway
  • Average snowfall in April: 120mm

The month with the highest snowfall is March (145mm).
The months with the least snowfall are July and August (0mm).

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Average snowfall days in April
Hammerfest, Norway

Average snowfall days in April - Hammerfest, Norway
  • Average snowfall days in April: 12.8 days

The month with the highest number of snowfall days is March (16.8 days).
The months with the least snowfall days are July and August (0 days).

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Average sea temperature in April
Hammerfest, Norway

Average sea temperature in April - Hammerfest, Norway
  • Average sea temperature in April: 4.9°C

The best month for swimming (with the highest average sea temperature) is August (10.6°C).
The coldest months (with the lowest average sea temperature) are February and March (4.8°C).

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

Average daylight in April / Average sunshine in April - Hammerfest, Norway
  • Average daylight in April: 16h and 3min

The month with the longest days is August (Average daylight: 18h and 30min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in April: 5h and 2min

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 18min).

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Average sunshine days in April
Hammerfest, Norway

Average sunshine days in April - Hammerfest, Norway
  • Average sunshine days in April: 9.7 days

The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is June (8.3 days).

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Average UV index in April
Hammerfest, Norway

Average UV index in April - Hammerfest, Norway
  • Average UV index in April: 2

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

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Average cloud cover in April
Hammerfest, Norway

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

The month with the most cloud cover is March (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 59).

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Average visibility in April
Hammerfest, Norway

Average visibility in April - Hammerfest, Norway
  • Average visibility in April: 8km

The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).

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Hammerfest, Norway

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