Oslo weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: May – August
What is the weather like in Oslo in April?
In April, Oslo is cool: daytime highs average 10 °C, and nights cool down to about 1 °C. The sea averages 6.2 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 51 mm. Snow falls on about 2 days. All in all, April is a so-so month for a holiday in Oslo.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 14 h 28 min06:03 – 20:31
- UV index
- 3 · moderateclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 61 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 2 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Oslo
How the score comes together
- Temperatureweight 50 %21 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 30 %67 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Oslo in April: quick answers
Is Oslo hot in April?
No. In April, Oslo is cool: daytime highs average 10 °C and nights drop to about 1 °C.
Can you swim in Oslo in April?
Only if you don't mind cold water: in April the sea averages just 6.2 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Oslo in April?
Rain falls on about 9 days, adding up to 51 mm.
Oslo month by month
The whole year in OsloAll destinations: Norway
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)