Siglufjörður climate

Siglufjörður Weather in August

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

Average highs run from 11°C on August 1 to 9°C on August 31, and lows from 7°C to 5°C. Normal precipitation for the month is 99 mm over about 19 wet days.

August day by day

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

Normal daily high and low temperature at Siglufjörður, in °C, with the record for each date.05101520151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
10°C
Average low
6°C
Precipitation
99 mm
Reanalysis high
20°CAug 10, 2004
Reanalysis low
1°CAug 27, 1992
Daylight
18 h 43 min to 14 h 56 min
Cloud cover
83%
Humidity
87%
Dew point
6°C
Wind
13.7 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
Aug 111°C7°C17°C 19912°C 201356%
Aug 211°C7°C15°C 19914°C 201455%
Aug 311°C7°C18°C 19915°C 199353%
Aug 411°C7°C15°C 19995°C 201354%
Aug 511°C7°C15°C 20124°C 200554%
Aug 611°C7°C14°C 20094°C 200055%
Aug 711°C7°C14°C 20104°C 201356%
Aug 811°C7°C16°C 20003°C 199757%
Aug 911°C6°C16°C 20041°C 199358%
Aug 1011°C6°C20°C 20041°C 199358%
Aug 1111°C6°C17°C 20042°C 199358%
Aug 1211°C6°C17°C 19972°C 199357%
Aug 1310°C6°C18°C 19972°C 199356%
Aug 1410°C6°C14°C 19973°C 199357%
Aug 1510°C6°C15°C 20121°C 199358%
Aug 1610°C6°C15°C 20203°C 199858%
Aug 1710°C6°C15°C 20203°C 199658%
Aug 1810°C6°C15°C 20032°C 201359%
Aug 1910°C6°C15°C 20062°C 201360%
Aug 2010°C6°C14°C 20062°C 199360%
Aug 2110°C6°C13°C 20122°C 199361%
Aug 2210°C6°C14°C 20062°C 200962%
Aug 2310°C5°C15°C 20162°C 199763%
Aug 2410°C5°C14°C 20152°C 199763%
Aug 259°C5°C14°C 20032°C 199764%
Aug 269°C5°C13°C 20141°C 199266%
Aug 279°C5°C13°C 20141°C 199267%
Aug 289°C5°C13°C 20141°C 200567%
Aug 299°C5°C13°C 19982°C 199468%
Aug 309°C5°C13°C 20112°C 201369%
Aug 319°C5°C13°C 20112°C 201370%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT).

August 1
sunrise 3:59 AM, sunset 10:42 PM
August 31
sunrise 5:47 AM, sunset 8:43 PM

Every day of August: 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.