April weather forecast and climate
Oslo, Norway

The Vigeland sculpture park in Oslo, Norway, at dusk
The Vigeland sculpture park in Oslo, Norway, at dusk

Weather in April

April is a frosty spring month in Oslo, Norway, with average temperature ranging between max 9.1°C (48.4°F) and min 0.8°C (33.4°F).

Temperature

In April, the average high-temperature rises, from a cold 3.5°C (38.3°F) in March, to a chilly 9.1°C (48.4°F). In April, the average low-temperature is 0.8°C (33.4°F).

Rainfall

In Oslo, during 5 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, in Oslo, there are 77 rainfall days, and 763mm (30.04") of precipitation is accumulated.

Sea temperature

In Oslo, the average seawater temperature is 6.3°C (43.3°F).
Note: Swimming in 6.3°C (43.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In April, the average length of the day is 14.6h.

Sunshine

In Oslo, the average sunshine is 5.9h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in April in Oslo?

In Oslo, in April, the average high-temperature is 9.1°C (48.4°F), and the average low-temperature is 0.8°C (33.4°F).

How many days does it rain in April in Oslo?

In Oslo, Norway, in April, it is raining for 5 days, with typically 41mm (1.61") of accumulated precipitation.

What is the water temperature in April in Oslo?

In April, the average sea temperature is 6.3°C (43.3°F). Swimming in 6.3°C (43.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

In Oslo, Norway, the average length of the day in April is 14.6h.

How many hours of sunshine does Oslo have in April?

In Oslo, the average sunshine in April is 5.9h.

How high is the UV index in April in Oslo?

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

Average temperature in April
Oslo, Norway

Average temperature in April - Oslo, Norway
  • Average high temperature in April: 9.1°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-1.8°C).

  • Average low temperature in April: 0.8°C

The month with the highest average low temperature is July (12.2°C).
The coldest months (with the lowest average low temperature) are January and February (-6.8°C).

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Average rainfall in April
Oslo, Norway

Average rainfall in April - Oslo, Norway
  • Average rainfall in April: 41mm

The wettest month (with the highest rainfall) is September (90mm).
The driest month (with the least rainfall) is February (36mm).

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Average rainfall days in April
Oslo, Norway

Average rainfall days in April - Oslo, Norway
  • Average rainfall days in April: 5 days

Months with the highest number of rainy days are August, October and November (8 days).
The month with the least rainy days is February (4 days).

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Average sea temperature in April
Oslo, Norway

Average sea temperature in April - Oslo, Norway
  • Average sea temperature in April: 6.3°C

The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is March (3°C).

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

Average daylight in April / Average sunshine in April - Oslo, Norway
  • Average daylight in April: 14.6h

The month with the longest days is June (Average daylight: 18.7h).
The month with the shortest days is December (Average daylight: 6.1h).

  • Average sunshine in April: 5.9h

The month with the most sunshine is June (Average sunshine: 8.3h).
The month with the least sunshine is December (Average sunshine: 1.1h).

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Average UV index in April
Oslo, Norway

Average UV index in April - Oslo, Norway
  • Average UV index in April: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).

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