Oslo Weather in April

In April, Oslo averages a high of 10°C (51°F) and a low of 2°C (35°F), from 56 years of daily records (1971–2026).

10°C

Average high

51°F

2°C

Average low

35°F

25°C

Record high

78°F · April 29, 2000

-9°C

Record low

16°F · April 8, 1977

What April Is Like in Oslo

April in Oslo has become 1.9°C (3.5°F) warmer on average: the 2012–2026 average against 1970–1989.
5 of the 10 warmest Aprils on record in Oslo have come since 2012.
The coldest April reading, -9°C (16°F) on April 8, 1977, has not been matched in 49 years.
On average, 8.4 nights in April drop below freezing.

At least 1 mm of rain falls on 25% of April days, and the month averages 44 mm in total.

Average daytime high in Oslo, every April since 1971

Warmest: 2011 (15.2°C)Latest: 2026 (12.6°C)10-year averageLong-run average (10.4°C)

See the weather in Oslo on any April date, year by year.

Source: NOAA GHCN-Daily, Oslo Blindern (1971–2026). Averages cover 1971–2026. How we compute this