Walnut Grove Weather in August
Average highs run from 23°C on August 1 to 21°C on August 31, and lows from 14°C to 12°C. Normal precipitation for the month is 37 mm over about 6 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
- 22°C
- Average low
- 13°C
- Precipitation
- 37 mm
- Reanalysis high
- 36°CAug 19, 2016
- Reanalysis low
- 7°CAug 31, 2008
- Daylight
- 15 h 07 min to 13 h 29 min
- Cloud cover
- 51%
- Humidity
- 77%
- Dew point
- 13°C
- Wind
- 5.0 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 | 23°C | 14°C | 31°C 2017 | 11°C 2012 | 18% |
| Aug 2 | 23°C | 14°C | 32°C 2017 | 10°C 2008 | 18% |
| Aug 3 | 23°C | 14°C | 33°C 1993 | 10°C 2002 | 18% |
| Aug 4 | 23°C | 14°C | 34°C 2017 | 10°C 2002 | 19% |
| Aug 5 | 23°C | 14°C | 31°C 2008 | 10°C 2002 | 19% |
| Aug 6 | 23°C | 14°C | 28°C 2018 | 10°C 2002 | 18% |
| Aug 7 | 23°C | 14°C | 30°C 2018 | 11°C 2002 | 19% |
| Aug 8 | 23°C | 14°C | 32°C 2018 | 10°C 1992 | 20% |
| Aug 9 | 23°C | 14°C | 33°C 2004 | 10°C 1995 | 20% |
| Aug 10 | 23°C | 14°C | 32°C 2014 | 10°C 2007 | 19% |
| Aug 11 | 23°C | 14°C | 36°C 1997 | 10°C 2000 | 19% |
| Aug 12 | 23°C | 14°C | 32°C 1992 | 10°C 1995 | 19% |
| Aug 13 | 23°C | 14°C | 30°C 2001 | 9°C 2000 | 19% |
| Aug 14 | 23°C | 14°C | 33°C 2010 | 9°C 2000 | 19% |
| Aug 15 | 23°C | 13°C | 34°C 2010 | 9°C 2000 | 19% |
| Aug 16 | 23°C | 13°C | 33°C 2020 | 9°C 2000 | 19% |
| Aug 17 | 23°C | 13°C | 31°C 2012 | 9°C 2000 | 19% |
| Aug 18 | 23°C | 13°C | 30°C 2016 | 10°C 1995 | 19% |
| Aug 19 | 22°C | 13°C | 36°C 2016 | 10°C 1998 | 19% |
| Aug 20 | 22°C | 13°C | 28°C 2006 | 9°C 2010 | 19% |
| Aug 21 | 22°C | 13°C | 32°C 2018 | 9°C 1996 | 20% |
| Aug 22 | 22°C | 13°C | 27°C 2017 | 10°C 2009 | 21% |
| Aug 23 | 22°C | 13°C | 27°C 1999 | 8°C 1992 | 23% |
| Aug 24 | 22°C | 13°C | 28°C 2016 | 9°C 2012 | 24% |
| Aug 25 | 22°C | 13°C | 31°C 2014 | 9°C 1995 | 24% |
| Aug 26 | 21°C | 12°C | 28°C 2016 | 9°C 1995 | 26% |
| Aug 27 | 21°C | 12°C | 32°C 2009 | 9°C 1993 | 27% |
| Aug 28 | 21°C | 12°C | 33°C 2011 | 8°C 2000 | 28% |
| Aug 29 | 21°C | 12°C | 31°C 1996 | 9°C 2010 | 28% |
| Aug 30 | 21°C | 12°C | 25°C 2003 | 9°C 2008 | 28% |
| Aug 31 | 21°C | 12°C | 29°C 1997 | 7°C 2008 | 29% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 5:43 AM, sunset 8:50 PM
- August 31
- sunrise 6:26 AM, sunset 7:55 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.