Reykjavik Weather in April

In April, Reykjavik averages a high of 6°C (43°F) and a low of 1°C (34°F), from 56 years of daily records (1971–2026).

6°C

Average high

43°F

1°C

Average low

34°F

16°C

Record high

62°F · April 30, 2019

-12°C

Record low

11°F · April 3, 1990

What April Is Like in Reykjavik

5 of the 10 warmest Aprils on record in Reykjavik have come since 2012.
The coldest April reading, -12°C (11°F) on April 3, 1990, has not been matched in 36 years.
April in Reykjavik has become 1.3°C (2.3°F) warmer on average: the 2012–2026 average against 1970–1989.
On average, 11 nights in April drop below freezing.

At least 1 mm of rain falls on 40% of April days, and the month averages 56 mm in total.

Average daytime high in Reykjavik, every April since 1971

Warmest: 2019 (9.3°C)Latest: 2026 (7.3°C)10-year averageLong-run average (6.3°C)

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

Source: NOAA GHCN-Daily, Reykjavik (1971–2026); Reykjavik (2006–2025). Averages cover 1971–2026. How we compute this