Santa Rosa Weather in July
Average highs run from 25°C on July 1 to 27°C on July 31, and lows from 11°C to 11°C. Normal precipitation for the month is 3 mm over about 0 wet days.
July day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
July at a glance
- Average high
- 26°C
- Average low
- 10°C
- Precipitation
- 3 mm
- Reanalysis high
- 38°CJul 20, 2003
- Reanalysis low
- -3°CJul 19, 2010
- Daylight
- 10 h 43 min to 11 h 02 min
- Cloud cover
- 51%
- Humidity
- 51%
- Dew point
- 6°C
- Wind
- 10.4 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 |
|---|---|---|---|---|---|
| Jul 1 | 25°C | 11°C | 35°C 2005 | 3°C 1996 | 5% |
| Jul 2 | 25°C | 11°C | 35°C 2005 | 4°C 2011 | 5% |
| Jul 3 | 25°C | 11°C | 33°C 2005 | 5°C 2000 | 5% |
| Jul 4 | 25°C | 11°C | 36°C 2001 | 4°C 2011 | 5% |
| Jul 5 | 25°C | 11°C | 35°C 2010 | 3°C 2015 | 4% |
| Jul 6 | 25°C | 11°C | 35°C 2007 | 3°C 2019 | 4% |
| Jul 7 | 25°C | 11°C | 32°C 2009 | 3°C 1992 | 5% |
| Jul 8 | 25°C | 11°C | 34°C 2003 | 2°C 2012 | 5% |
| Jul 9 | 25°C | 11°C | 35°C 2001 | 3°C 1994 | 5% |
| Jul 10 | 25°C | 10°C | 31°C 2008 | 1°C 1994 | 6% |
| Jul 11 | 25°C | 10°C | 32°C 2006 | 0°C 2007 | 5% |
| Jul 12 | 25°C | 10°C | 36°C 2006 | 0°C 2000 | 5% |
| Jul 13 | 25°C | 10°C | 34°C 2017 | 0°C 2000 | 5% |
| Jul 14 | 25°C | 10°C | 33°C 2014 | 0°C 2000 | 4% |
| Jul 15 | 25°C | 10°C | 36°C 1997 | 2°C 1993 | 4% |
| Jul 16 | 25°C | 10°C | 34°C 2008 | 3°C 1992 | 4% |
| Jul 17 | 25°C | 10°C | 36°C 1994 | 2°C 2010 | 4% |
| Jul 18 | 25°C | 10°C | 34°C 2020 | -1°C 2010 | 4% |
| Jul 19 | 25°C | 10°C | 37°C 2001 | -3°C 2010 | 4% |
| Jul 20 | 25°C | 10°C | 38°C 2003 | 1°C 2010 | 4% |
| Jul 21 | 26°C | 10°C | 36°C 2012 | 4°C 1995 | 4% |
| Jul 22 | 26°C | 10°C | 34°C 2006 | 3°C 2013 | 3% |
| Jul 23 | 26°C | 10°C | 33°C 2017 | 1°C 2013 | 2% |
| Jul 24 | 26°C | 10°C | 34°C 1995 | 0°C 1992 | 2% |
| Jul 25 | 26°C | 10°C | 34°C 2004 | 2°C 2009 | 2% |
| Jul 26 | 26°C | 10°C | 37°C 2006 | 2°C 2013 | 2% |
| Jul 27 | 26°C | 10°C | 34°C 2017 | 5°C 2014 | 1% |
| Jul 28 | 26°C | 11°C | 35°C 2015 | 3°C 2001 | 1% |
| Jul 29 | 26°C | 11°C | 34°C 1997 | 2°C 2001 | 1% |
| Jul 30 | 27°C | 11°C | 36°C 2005 | 2°C 1993 | 1% |
| Jul 31 | 27°C | 11°C | 36°C 2005 | 1°C 1993 | 2% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- July 1
- sunrise 8:00 AM, sunset 6:43 PM
- July 31
- sunrise 7:53 AM, sunset 6:55 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.