Hafnarfjörður climate

Hafnarfjörður Weather in April

NASA POWER reanalysis for the half-degree grid cell around Hafnarfjörður, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 3°C on April 1 to 6°C on April 30, and lows from -1°C to 2°C. Normal precipitation for the month is 111 mm over about 18 wet days.

April day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Hafnarfjörður, in °C, with the record for each date.-10-5051015151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
5°C
Average low
1°C
Precipitation
111 mm
Reanalysis high
11°CApr 30, 2019
Reanalysis low
-9°CApr 10, 1991
Daylight
13 h 33 min to 16 h 44 min
Cloud cover
73%
Humidity
86%
Dew point
1°C
Wind
20.2 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Apr 13°C-1°C6°C 1993-8°C 200064%
Apr 23°C-1°C7°C 2004-7°C 201565%
Apr 34°C-1°C7°C 2009-8°C 202065%
Apr 44°C0°C8°C 2014-7°C 199566%
Apr 54°C0°C8°C 2014-6°C 202065%
Apr 64°C0°C8°C 1999-7°C 200565%
Apr 74°C0°C7°C 2017-8°C 200566%
Apr 84°C0°C8°C 2003-5°C 200164%
Apr 94°C0°C8°C 2011-7°C 199165%
Apr 104°C0°C9°C 1993-9°C 199163%
Apr 114°C0°C9°C 1993-6°C 201362%
Apr 125°C0°C8°C 2019-6°C 201361%
Apr 135°C1°C8°C 2019-6°C 201362%
Apr 145°C1°C8°C 2019-6°C 199962%
Apr 155°C1°C8°C 2019-4°C 199960%
Apr 165°C1°C9°C 2018-5°C 199959%
Apr 175°C1°C9°C 2003-6°C 200058%
Apr 185°C1°C10°C 1997-8°C 200057%
Apr 195°C1°C10°C 2005-7°C 200057%
Apr 205°C1°C9°C 2004-5°C 200057%
Apr 216°C1°C10°C 2004-5°C 200055%
Apr 226°C1°C11°C 2004-5°C 200054%
Apr 236°C1°C9°C 2004-4°C 201054%
Apr 246°C1°C9°C 2004-4°C 201754%
Apr 256°C1°C10°C 2019-4°C 201554%
Apr 266°C1°C10°C 2019-5°C 201556%
Apr 276°C1°C9°C 2005-4°C 200256%
Apr 286°C2°C10°C 2001-3°C 200255%
Apr 296°C2°C10°C 2007-3°C 200254%
Apr 306°C2°C11°C 2019-3°C 201355%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Hafnarfjörður, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

April 1
sunrise 6:46 AM, sunset 8:19 PM
April 30
sunrise 5:04 AM, sunset 9:48 PM

Every day of April: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.