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Reykjavik weather in April

Weather in Reykjavik: April

Average day temperature: 41.4°F
Average night temperature: 36.5°F
Sea water temperature: 40.0°F
Number of sunny days: 4 days
Day length: 13.6 - 16.8 hours
Number of rainy days: 7 days
Precipitation totals: 3.6 in.

Air temperature in April, °F

Show year:
2025
2024
2023

The highest day temperature during April of 2025 was 49°F. At the same time the lowest night temperature was 31°F. Daily and nightly averages during April were 42.7°F and 38.9°F.

Sea water temperature in Reykjavik in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 41.6°F. The highest and lowest sea temperatures during the month were 43.5°F and 39.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in April, in.

Precipitation total value in Reykjavik in April is 3.3 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 12.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 5.4.

Best time for vacation in Reykjavik

Sunniest months:
August 6 days
May 6 days
December 6 days
Warmest months:
July 55.6 °F
August 55.1 °F
June 52.1 °F
Warmest sea temp:
August 53.1 °F
July 52.5 °F
September 50.6 °F
Coldest months:
December 32.8 °F
January 33.4 °F
February 35.4 °F
Rainiest months:
September 9 days
January 9 days
February 8 days
Windiest months:
February 16.9 mph
January 15.9 mph
December 15.3 mph

Reykjavik on a weather map

Reykjavik
+30°F
SW 11 mph
Feels like: +21°F
Precip.: 100%
Places in Iceland:
Name
°F
+18°F
+30°F
+30°F
+27°F
24 Hours Forecast
Reykjavik
Local time: 02:34
December 05, friday
0300
30°F
SW
11 mph
0600
32°F
SW
11 mph
0900
34°F
SW
11 mph
1200
36°F
SW
11 mph
1500
34°F
SW
11 mph
1800
34°F
SW
11 mph
2100
32°F
SW
12 mph
December 06, saturday
0000
32°F
SW
10 mph
Units of measurement: °C / °F