Santiago Weather in August
Average highs run from 20°C on August 1 to 23°C on August 31, and lows from 8°C to 10°C. Normal precipitation for the month is 92 mm over about 9 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
- 21°C
- Average low
- 9°C
- Precipitation
- 92 mm
- Reanalysis high
- 33°CAug 30, 1991
- Reanalysis low
- -5°CAug 2, 1991
- Daylight
- 10 h 45 min to 11 h 30 min
- Cloud cover
- 51%
- Humidity
- 83%
- Dew point
- 11°C
- Wind
- 9.4 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 | 20°C | 8°C | 28°C 2013 | -1°C 1991 | 29% |
| Aug 2 | 20°C | 8°C | 28°C 2003 | -5°C 1991 | 30% |
| Aug 3 | 20°C | 8°C | 28°C 2012 | -3°C 1991 | 29% |
| Aug 4 | 20°C | 8°C | 28°C 2004 | -1°C 1995 | 29% |
| Aug 5 | 20°C | 8°C | 28°C 1996 | -4°C 1995 | 29% |
| Aug 6 | 20°C | 9°C | 27°C 1993 | -2°C 1995 | 28% |
| Aug 7 | 20°C | 9°C | 29°C 2006 | 3°C 2007 | 28% |
| Aug 8 | 21°C | 9°C | 29°C 2015 | 1°C 2007 | 27% |
| Aug 9 | 21°C | 9°C | 29°C 2015 | 1°C 2004 | 27% |
| Aug 10 | 21°C | 9°C | 29°C 2012 | 0°C 1993 | 27% |
| Aug 11 | 21°C | 9°C | 30°C 2012 | 1°C 2000 | 28% |
| Aug 12 | 21°C | 9°C | 30°C 2006 | -1°C 2000 | 29% |
| Aug 13 | 21°C | 9°C | 28°C 2006 | 2°C 2019 | 30% |
| Aug 14 | 21°C | 9°C | 29°C 2012 | -1°C 2014 | 30% |
| Aug 15 | 21°C | 9°C | 29°C 2012 | -2°C 1999 | 28% |
| Aug 16 | 21°C | 9°C | 28°C 1997 | 2°C 1999 | 27% |
| Aug 17 | 21°C | 9°C | 30°C 2012 | 2°C 2003 | 26% |
| Aug 18 | 22°C | 9°C | 28°C 1997 | 2°C 1995 | 26% |
| Aug 19 | 22°C | 10°C | 28°C 2012 | 1°C 1995 | 27% |
| Aug 20 | 22°C | 10°C | 28°C 1994 | 1°C 2020 | 28% |
| Aug 21 | 22°C | 10°C | 28°C 2013 | -2°C 2020 | 28% |
| Aug 22 | 22°C | 10°C | 32°C 2012 | -1°C 2020 | 28% |
| Aug 23 | 22°C | 10°C | 30°C 2012 | 4°C 2016 | 30% |
| Aug 24 | 22°C | 10°C | 31°C 2012 | 3°C 2004 | 30% |
| Aug 25 | 22°C | 10°C | 30°C 1995 | 2°C 2003 | 30% |
| Aug 26 | 22°C | 10°C | 31°C 2016 | 0°C 2013 | 30% |
| Aug 27 | 22°C | 10°C | 30°C 2016 | -1°C 2013 | 30% |
| Aug 28 | 23°C | 10°C | 31°C 1997 | 0°C 2013 | 29% |
| Aug 29 | 23°C | 10°C | 30°C 2017 | 2°C 2007 | 30% |
| Aug 30 | 23°C | 10°C | 33°C 1991 | 4°C 2008 | 31% |
| Aug 31 | 23°C | 10°C | 32°C 1995 | 3°C 2002 | 31% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- August 1
- sunrise 7:23 AM, sunset 6:08 PM
- August 31
- sunrise 6:55 AM, sunset 6:25 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.