San Luis Weather in July
Average highs run from 82°F on July 1 to 81°F on July 31, and lows from 46°F to 49°F. Normal precipitation for the month is 1.51 in over about 7 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 82°F
- Average low
- 48°F
- Precipitation
- 1.51 in
- Record high
- 93°FJul 2, 2012
- Record low
- 29°FJul 24, 1998
- Chance of a freeze
- 1%
- Days of 90°F or more
- 1.1
- Daylight
- 14 h 41 min to 14 h 04 min
- Cloud cover
- 54%
- Humidity
- 51%
- Dew point
- 44°F
- Wind
- 5.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 82°F | 46°F | 91°F 1990 | 42°F 2017 | 17% |
| Jul 2 | 82°F | 46°F | 93°F 2012 | 39°F 1992 | 17% |
| Jul 3 | 82°F | 46°F | 90°F 2002 | 41°F 1992 | 18% |
| Jul 4 | 82°F | 46°F | 90°F 2011 | 41°F 1997 | 18% |
| Jul 5 | 82°F | 47°F | 90°F 2003 | 42°F 1995 | 18% |
| Jul 6 | 82°F | 47°F | 91°F 2003 | 44°F 1997 | 19% |
| Jul 7 | 82°F | 47°F | 91°F 2001 | 46°F 2010 | 19% |
| Jul 8 | 82°F | 47°F | 91°F 2001 | 38°F 1994 | 20% |
| Jul 9 | 82°F | 47°F | 89°F 2003 | 44°F 2010 | 20% |
| Jul 10 | 82°F | 48°F | 87°F 2002 | 45°F 1999 | 20% |
| Jul 11 | 82°F | 48°F | 91°F 2003 | 45°F 1999 | 21% |
| Jul 12 | 82°F | 48°F | 90°F 2003 | 45°F 2015 | 21% |
| Jul 13 | 82°F | 48°F | 90°F 2003 | 45°F 2008 | 21% |
| Jul 14 | 82°F | 48°F | 89°F 2003 | 45°F 1990 | 22% |
| Jul 15 | 82°F | 49°F | 91°F 2005 | 44°F 1990 | 22% |
| Jul 16 | 82°F | 49°F | 89°F 1997 | 43°F 1998 | 23% |
| Jul 17 | 82°F | 49°F | 90°F 2010 | 36°F 1998 | 23% |
| Jul 18 | 82°F | 49°F | 92°F 2011 | 37°F 1998 | 23% |
| Jul 19 | 82°F | 49°F | 92°F 2003 | 37°F 1998 | 24% |
| Jul 20 | 82°F | 49°F | 91°F 2005 | 40°F 1998 | 24% |
| Jul 21 | 82°F | 49°F | 90°F 2005 | 44°F 1990 | 24% |
| Jul 22 | 82°F | 49°F | 90°F 2012 | 43°F 1990 | 25% |
| Jul 23 | 82°F | 49°F | 91°F 2018 | 31°F 1998 | 25% |
| Jul 24 | 82°F | 49°F | 88°F 1994 | 29°F 1998 | 25% |
| Jul 25 | 82°F | 49°F | 91°F 2003 | 30°F 1998 | 26% |
| Jul 26 | 82°F | 49°F | 91°F 2002 | 34°F 1998 | 26% |
| Jul 27 | 81°F | 49°F | 87°F 2000 | 42°F 2004 | 26% |
| Jul 28 | 81°F | 49°F | 87°F 1995 | 45°F 1990 | 26% |
| Jul 29 | 81°F | 49°F | 90°F 1995 | 43°F 1990 | 26% |
| Jul 30 | 81°F | 49°F | 89°F 1995 | 42°F 1990 | 26% |
| Jul 31 | 81°F | 49°F | 89°F 2008 | 44°F 2009 | 26% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MDT).
- July 1
- sunrise 5:45 AM, sunset 8:26 PM
- July 31
- sunrise 6:06 AM, sunset 8:10 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00057430 (San Luis 1 S), public domain. Records: NOAA GHCN-Daily, station USC00057572, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.