Harstad Weather in August
Average highs run from 15°C on August 1 to 12°C on August 31, and lows from 10°C to 8°C. Normal precipitation for the month is 105 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
- 14°C
- Average low
- 9°C
- Precipitation
- 105 mm
- Reanalysis high
- 24°CAug 1, 2018
- Reanalysis low
- 3°CAug 31, 2007
- Daylight
- 20 h 11 min to 15 h 22 min
- Cloud cover
- 79%
- Humidity
- 85%
- Dew point
- 9°C
- Wind
- 10.1 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 | 15°C | 10°C | 24°C 2018 | 6°C 2001 | 53% |
| Aug 2 | 15°C | 10°C | 22°C 1994 | 6°C 2001 | 52% |
| Aug 3 | 15°C | 10°C | 23°C 2009 | 6°C 2001 | 53% |
| Aug 4 | 15°C | 10°C | 22°C 2009 | 6°C 1999 | 54% |
| Aug 5 | 15°C | 10°C | 24°C 2004 | 6°C 1999 | 54% |
| Aug 6 | 15°C | 10°C | 21°C 2009 | 6°C 1999 | 55% |
| Aug 7 | 14°C | 10°C | 21°C 1996 | 6°C 1999 | 56% |
| Aug 8 | 14°C | 10°C | 22°C 2007 | 5°C 1992 | 56% |
| Aug 9 | 14°C | 10°C | 21°C 1996 | 4°C 1992 | 56% |
| Aug 10 | 14°C | 10°C | 21°C 1996 | 5°C 2016 | 56% |
| Aug 11 | 14°C | 10°C | 21°C 2005 | 6°C 2011 | 56% |
| Aug 12 | 14°C | 10°C | 20°C 1996 | 5°C 2011 | 57% |
| Aug 13 | 14°C | 9°C | 20°C 1996 | 6°C 1999 | 58% |
| Aug 14 | 14°C | 9°C | 18°C 2003 | 5°C 1999 | 58% |
| Aug 15 | 14°C | 9°C | 18°C 2011 | 6°C 1994 | 60% |
| Aug 16 | 14°C | 9°C | 19°C 2002 | 5°C 2010 | 60% |
| Aug 17 | 14°C | 9°C | 19°C 2015 | 6°C 2010 | 59% |
| Aug 18 | 14°C | 9°C | 20°C 2016 | 5°C 2010 | 59% |
| Aug 19 | 13°C | 9°C | 20°C 2015 | 5°C 2009 | 60% |
| Aug 20 | 13°C | 9°C | 21°C 2002 | 5°C 1999 | 59% |
| Aug 21 | 13°C | 9°C | 22°C 2002 | 4°C 1999 | 59% |
| Aug 22 | 13°C | 9°C | 20°C 2015 | 5°C 2012 | 60% |
| Aug 23 | 13°C | 9°C | 17°C 1991 | 4°C 2012 | 61% |
| Aug 24 | 13°C | 9°C | 20°C 2006 | 5°C 2012 | 62% |
| Aug 25 | 13°C | 9°C | 19°C 2006 | 6°C 1999 | 62% |
| Aug 26 | 13°C | 9°C | 18°C 2006 | 5°C 1993 | 63% |
| Aug 27 | 13°C | 9°C | 20°C 2006 | 5°C 2016 | 63% |
| Aug 28 | 13°C | 9°C | 20°C 2006 | 4°C 1995 | 63% |
| Aug 29 | 13°C | 8°C | 20°C 2019 | 3°C 2007 | 64% |
| Aug 30 | 12°C | 8°C | 20°C 1997 | 3°C 2007 | 64% |
| Aug 31 | 12°C | 8°C | 20°C 1997 | 3°C 2007 | 63% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- August 1
- sunrise 2:52 AM, sunset 11:03 PM
- August 31
- sunrise 5:12 AM, sunset 8:34 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.