Oslo
Norway
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Oslo, Norway

The scenic view of the Vigeland sculpture park in Oslo, Norway, at dusk
The scenic view of the Vigeland sculpture park in Oslo, Norway, at dusk
April is a frosty spring month in Oslo, Norway, with average temperature fluctuating between 9.1°C (48.4°F) and 0.8°C (33.4°F).

Temperature

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

Rainfall

In Oslo, Norway, in April, it is raining for 5 days, with typically 41mm (1.6") of accumulated precipitation. In Oslo, during the entire year, the rain falls for 77 days and collects up to 763mm (30") of precipitation.

Sea temperature

In Oslo, the average water temperature is 6.3°C (43.3°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

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

Sunshine

In Oslo, the average sunshine is 5.9h.

UV index

The average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected 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 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

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 April, in Oslo, the rain falls for 5 days. Throughout April, 41mm (1.6") of precipitation is accumulated.

What is the sea water temperature in April in Oslo?

In Oslo, Norway, in April, the average water temperature is 6.3°C (43.3°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

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

How long on average sun shines in April in Oslo?

The average sunshine in April is 5.9h.

What is the UV index reading in April in Oslo?

The average daily maximum UV index in April in Oslo, Norway, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
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).
Coldest months (with the lowest average low temperature) are January and February (-6.8°C).

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 lowest rainfall) is February (36mm).

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 lowest number of rainy days is February (4 days).

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).

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 shortest days is December (Average daylight: 6.1h).

  • Average sunshine in April: 5.9h

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

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).