Costilla County Weather in August
Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 49°F to 45°F. Normal precipitation for the month is 1.29 in over about 9 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 79°F
- Average low
- 47°F
- Precipitation
- 1.29 in
- Record high
- 93°FAug 16, 2012
- Record low
- 22°FAug 27, 1998
- Chance of a freeze
- 0%
- Daylight
- 14 h 03 min to 13 h 00 min
- Cloud cover
- 54%
- Humidity
- 53%
- Dew point
- 44°F
- Wind
- 5.6 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 |
|---|---|---|---|---|---|
| Aug 1 | 81°F | 49°F | 90°F 2002 | 38°F 1998 | 27% |
| Aug 2 | 81°F | 49°F | 90°F 2008 | 33°F 1998 | 27% |
| Aug 3 | 81°F | 49°F | 88°F 2008 | 30°F 1998 | 27% |
| Aug 4 | 81°F | 49°F | 86°F 2000 | 42°F 1990 | 27% |
| Aug 5 | 81°F | 49°F | 87°F 2000 | 36°F 1998 | 27% |
| Aug 6 | 81°F | 49°F | 90°F 2009 | 36°F 1998 | 27% |
| Aug 7 | 80°F | 49°F | 89°F 1995 | 47°F 1988 | 27% |
| Aug 8 | 80°F | 49°F | 89°F 1995 | 45°F 2017 | 27% |
| Aug 9 | 80°F | 49°F | 88°F 2002 | 44°F 1991 | 27% |
| Aug 10 | 80°F | 49°F | 88°F 2012 | 44°F 2009 | 27% |
| Aug 11 | 80°F | 48°F | 88°F 1995 | 43°F 2004 | 27% |
| Aug 12 | 80°F | 48°F | 85°F 2000 | 44°F 2004 | 27% |
| Aug 13 | 80°F | 48°F | 88°F 2009 | 44°F 2004 | 26% |
| Aug 14 | 80°F | 48°F | 88°F 1996 | 45°F 2002 | 26% |
| Aug 15 | 80°F | 48°F | 85°F 2002 | 45°F 2002 | 26% |
| Aug 16 | 79°F | 48°F | 93°F 2012 | 42°F 2009 | 26% |
| Aug 17 | 79°F | 48°F | 88°F 2002 | 41°F 2008 | 25% |
| Aug 18 | 79°F | 47°F | 88°F 2011 | 43°F 2008 | 25% |
| Aug 19 | 79°F | 47°F | 90°F 2011 | 43°F 2015 | 25% |
| Aug 20 | 79°F | 47°F | 85°F 2011 | 42°F 2015 | 25% |
| Aug 21 | 79°F | 47°F | 88°F 2007 | 43°F 2015 | 24% |
| Aug 22 | 79°F | 47°F | 84°F 2010 | 44°F 2005 | 24% |
| Aug 23 | 79°F | 46°F | 90°F 2009 | 38°F 1992 | 24% |
| Aug 24 | 78°F | 46°F | 90°F 2011 | 43°F 2016 | 24% |
| Aug 25 | 78°F | 46°F | 85°F 1998 | 41°F 2016 | 23% |
| Aug 26 | 78°F | 46°F | 86°F 2002 | 33°F 1998 | 23% |
| Aug 27 | 78°F | 46°F | 84°F 1999 | 22°F 1998 | 22% |
| Aug 28 | 78°F | 45°F | 86°F 2002 | 34°F 1998 | 22% |
| Aug 29 | 78°F | 45°F | 87°F 2012 | 40°F 2004 | 22% |
| Aug 30 | 78°F | 45°F | 87°F 2012 | 41°F 1993 | 21% |
| Aug 31 | 77°F | 45°F | 87°F 2007 | 41°F 1998 | 21% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:06 AM, sunset 8:09 PM
- August 31
- sunrise 6:32 AM, sunset 7:32 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.