América Weather in August
Average highs run from 15°C on August 1 to 19°C on August 31, and lows from 3°C to 5°C. Normal precipitation for the month is 25 mm over about 3 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
- 17°C
- Average low
- 4°C
- Precipitation
- 25 mm
- Reanalysis high
- 33°CAug 28, 2009
- Reanalysis low
- -5°CAug 1, 1991
- Daylight
- 10 h 23 min to 11 h 19 min
- Cloud cover
- 54%
- Humidity
- 68%
- Dew point
- 4°C
- Wind
- 15.1 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 | 3°C | 22°C 2014 | -5°C 1991 | 10% |
| Aug 2 | 15°C | 3°C | 24°C 2014 | -3°C 1992 | 10% |
| Aug 3 | 16°C | 3°C | 23°C 1999 | -5°C 2010 | 10% |
| Aug 4 | 16°C | 3°C | 24°C 1999 | -4°C 1995 | 10% |
| Aug 5 | 16°C | 3°C | 22°C 1999 | -3°C 2010 | 9% |
| Aug 6 | 16°C | 3°C | 22°C 1994 | -2°C 2007 | 9% |
| Aug 7 | 16°C | 3°C | 21°C 2003 | -3°C 2005 | 10% |
| Aug 8 | 16°C | 3°C | 19°C 2001 | -2°C 1992 | 10% |
| Aug 9 | 16°C | 3°C | 21°C 2009 | -3°C 1993 | 11% |
| Aug 10 | 16°C | 3°C | 23°C 2009 | -2°C 1993 | 11% |
| Aug 11 | 17°C | 3°C | 25°C 2011 | -3°C 2007 | 12% |
| Aug 12 | 17°C | 4°C | 25°C 2009 | -1°C 2020 | 11% |
| Aug 13 | 17°C | 4°C | 25°C 2004 | -3°C 2019 | 11% |
| Aug 14 | 17°C | 4°C | 23°C 1993 | -3°C 1999 | 11% |
| Aug 15 | 17°C | 4°C | 25°C 1991 | -4°C 1999 | 12% |
| Aug 16 | 17°C | 4°C | 24°C 1996 | -2°C 1995 | 11% |
| Aug 17 | 18°C | 4°C | 24°C 1996 | -2°C 1993 | 10% |
| Aug 18 | 18°C | 4°C | 26°C 1996 | -2°C 1995 | 11% |
| Aug 19 | 18°C | 4°C | 26°C 2014 | -1°C 1995 | 10% |
| Aug 20 | 18°C | 4°C | 28°C 2014 | -4°C 2020 | 11% |
| Aug 21 | 18°C | 5°C | 26°C 2014 | -4°C 2011 | 12% |
| Aug 22 | 18°C | 5°C | 27°C 1996 | -2°C 2011 | 11% |
| Aug 23 | 19°C | 5°C | 31°C 1996 | -3°C 2013 | 12% |
| Aug 24 | 19°C | 5°C | 28°C 2006 | 0°C 2003 | 12% |
| Aug 25 | 19°C | 5°C | 29°C 2009 | -1°C 2003 | 12% |
| Aug 26 | 19°C | 5°C | 28°C 2008 | -2°C 2013 | 13% |
| Aug 27 | 19°C | 5°C | 29°C 2009 | -2°C 2012 | 14% |
| Aug 28 | 19°C | 5°C | 33°C 2009 | 0°C 2000 | 14% |
| Aug 29 | 19°C | 5°C | 32°C 2009 | 0°C 2003 | 14% |
| Aug 30 | 19°C | 5°C | 29°C 2013 | -2°C 2020 | 15% |
| Aug 31 | 19°C | 5°C | 28°C 2008 | -1°C 2000 | 14% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- August 1
- sunrise 8:07 AM, sunset 6:30 PM
- August 31
- sunrise 7:33 AM, sunset 6:52 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.