Siglufjörður Weather in August
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 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.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 11°C | 7°C | 17°C 1991 | 2°C 2013 | 56% |
| Aug 2 | 11°C | 7°C | 15°C 1991 | 4°C 2014 | 55% |
| Aug 3 | 11°C | 7°C | 18°C 1991 | 5°C 1993 | 53% |
| Aug 4 | 11°C | 7°C | 15°C 1999 | 5°C 2013 | 54% |
| Aug 5 | 11°C | 7°C | 15°C 2012 | 4°C 2005 | 54% |
| Aug 6 | 11°C | 7°C | 14°C 2009 | 4°C 2000 | 55% |
| Aug 7 | 11°C | 7°C | 14°C 2010 | 4°C 2013 | 56% |
| Aug 8 | 11°C | 7°C | 16°C 2000 | 3°C 1997 | 57% |
| Aug 9 | 11°C | 6°C | 16°C 2004 | 1°C 1993 | 58% |
| Aug 10 | 11°C | 6°C | 20°C 2004 | 1°C 1993 | 58% |
| Aug 11 | 11°C | 6°C | 17°C 2004 | 2°C 1993 | 58% |
| Aug 12 | 11°C | 6°C | 17°C 1997 | 2°C 1993 | 57% |
| Aug 13 | 10°C | 6°C | 18°C 1997 | 2°C 1993 | 56% |
| Aug 14 | 10°C | 6°C | 14°C 1997 | 3°C 1993 | 57% |
| Aug 15 | 10°C | 6°C | 15°C 2012 | 1°C 1993 | 58% |
| Aug 16 | 10°C | 6°C | 15°C 2020 | 3°C 1998 | 58% |
| Aug 17 | 10°C | 6°C | 15°C 2020 | 3°C 1996 | 58% |
| Aug 18 | 10°C | 6°C | 15°C 2003 | 2°C 2013 | 59% |
| Aug 19 | 10°C | 6°C | 15°C 2006 | 2°C 2013 | 60% |
| Aug 20 | 10°C | 6°C | 14°C 2006 | 2°C 1993 | 60% |
| Aug 21 | 10°C | 6°C | 13°C 2012 | 2°C 1993 | 61% |
| Aug 22 | 10°C | 6°C | 14°C 2006 | 2°C 2009 | 62% |
| Aug 23 | 10°C | 5°C | 15°C 2016 | 2°C 1997 | 63% |
| Aug 24 | 10°C | 5°C | 14°C 2015 | 2°C 1997 | 63% |
| Aug 25 | 9°C | 5°C | 14°C 2003 | 2°C 1997 | 64% |
| Aug 26 | 9°C | 5°C | 13°C 2014 | 1°C 1992 | 66% |
| Aug 27 | 9°C | 5°C | 13°C 2014 | 1°C 1992 | 67% |
| Aug 28 | 9°C | 5°C | 13°C 2014 | 1°C 2005 | 67% |
| Aug 29 | 9°C | 5°C | 13°C 1998 | 2°C 1994 | 68% |
| Aug 30 | 9°C | 5°C | 13°C 2011 | 2°C 2013 | 69% |
| Aug 31 | 9°C | 5°C | 13°C 2011 | 2°C 2013 | 70% |
Chance of rain
- 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
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.