April weather forecast
Oslo, Norway

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

Weather in April

April in Oslo, Norway, is a chilly spring month, with temperature in the range of an average low of 0.8°C (33.4°F) and an average high of 9.1°C (48.4°F).

Temperature

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

Rainfall

In April, the rain falls for 5 days. Throughout April, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 77 rainfall days, and 763mm (30.04") of precipitation is accumulated.

Sea temperature

In April, the average sea 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 14h and 37min.
On the first day of April in Oslo, sunrise is at 06:41 and sunset at 19:59. On the last day of the month, sunrise is at 05:17 and sunset at 21:11 CEST.

Sunshine

In April, the average sunshine is 5.9h.

UV index

The average daily maximum UV index in April in Oslo is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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

How many days does it rain in April in Oslo?

In Oslo, Norway, in April, during 5 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

How cold is the water in April in Oslo?

In Oslo, Norway, in April, the average water 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?

The average day length in April in Oslo, Norway, is 14h and 37min.

When is the sunrise / sunset in April in Oslo?

On the first day of April, sunrise is at 06:41 and sunset at 19:59. On the last day of the month, sunrise is at 05:17 and sunset at 21:11 CEST.

How many hours of sunshine does Oslo have in April?

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

How high is the UV index in April in Oslo?

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

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

The 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: 14h and 37min

The month with the longest days is June (Average daylight: 18h and 41min).
The month with the shortest days is December (Average daylight: 6h and 4min).

  • Average sunshine in April: 5h and 54min

The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).

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Average UV index in April
Oslo, Norway

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

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

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