April weather forecast
Oslo, Norway

April ushers in true spring-like conditions in Oslo as temperatures climb noticeably, reaching averages as high as 9.1°C (48.4°F). Visiting the city in this period affords a delightful experience, with the natural landscape covered in spring bulbs and greenery. This also coincides with longer daylight hours of up to 14.6 hours per day, allowing for extended sightseeing sessions. Oslo's April weather enhances the city's appeal, adding color and life to its remarkable architecture.

Temperature

The arrival of April sees a shift in the average high-temperature, moving from a wintry 3.5°C (38.3°F) in March to a chilly 9.1°C (48.4°F). The average low-temperature, in April, is a wintry 0.8°C (33.4°F).

Rainfall

In Oslo, during April, the rain falls for 5 days and regularly aggregates up to 41mm (1.61") of precipitation. In Oslo, Norway, during the entire year, the rain falls for 77 days and collects up to 763mm (30.04") of precipitation.

Sea temperature

In Oslo, in April, the average water temperature is 6.3°C (43.3°F).
Note: In 6.3°C (43.3°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).

Daylight

In April, the average length of the day in Oslo, Norway, is 14h and 37min.
On the first day of the month, sunrise is at 06:40 and sunset at 20:01. On the last day of April, sunrise is at 05:15 and sunset at 21:12 CEST.

Sunshine

In April, the average sunshine is 5.9h.

UV index

In April, the average daily maximum UV index in Oslo is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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.