Sierra Vista Weather in August
Average highs run from 90°F on August 1 to 89°F on August 31, and lows from 62°F to 60°F. Normal precipitation for the month is 3.31 in over about 11 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
- 90°F
- Average low
- 62°F
- Precipitation
- 3.31 in
- Record high
- 105°FAug 6, 2023
- Record low
- 53°FAug 27, 1987
- Chance of a freeze
- 0%
- Days of 90°F or more
- 17.5
- Daylight
- 13 h 39 min to 12 h 50 min
- Cloud cover
- 56%
- Humidity
- 53%
- Dew point
- 57°F
- Wind
- 5.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 90°F | 62°F | 103°F 2020 | 56°F 2025 | 39% | 0% |
| Aug 2 | 90°F | 62°F | 103°F 2020 | 60°F 1989 | 39% | 0% |
| Aug 3 | 90°F | 62°F | 100°F 1995 | 59°F 1985 | 39% | 0% |
| Aug 4 | 90°F | 62°F | 102°F 1995 | 59°F 1991 | 39% | 0% |
| Aug 5 | 90°F | 62°F | 103°F 2023 | 60°F 2013 | 38% | 0% |
| Aug 6 | 90°F | 62°F | 105°F 2023 | 60°F 1989 | 38% | 0% |
| Aug 7 | 90°F | 62°F | 104°F 2025 | 59°F 2013 | 38% | 0% |
| Aug 8 | 90°F | 62°F | 103°F 2025 | 59°F 2022 | 37% | 0% |
| Aug 9 | 90°F | 62°F | 101°F 2012 | 60°F 1989 | 37% | 0% |
| Aug 10 | 90°F | 62°F | 100°F 2012 | 59°F 1989 | 37% | 0% |
| Aug 11 | 90°F | 62°F | 101°F 2020 | 59°F 2004 | 36% | 0% |
| Aug 12 | 90°F | 62°F | 99°F 2003 | 57°F 1985 | 36% | 0% |
| Aug 13 | 90°F | 62°F | 101°F 2012 | 59°F 1985 | 36% | 0% |
| Aug 14 | 90°F | 62°F | 101°F 2020 | 57°F 1990 | 35% | 0% |
| Aug 15 | 90°F | 62°F | 103°F 2020 | 58°F 1985 | 35% | 0% |
| Aug 16 | 90°F | 62°F | 103°F 2015 | 58°F 1985 | 34% | 0% |
| Aug 17 | 90°F | 62°F | 102°F 2020 | 56°F 2017 | 34% | 0% |
| Aug 18 | 90°F | 62°F | 103°F 2015 | 56°F 2017 | 33% | 0% |
| Aug 19 | 90°F | 62°F | 99°F 2020 | 58°F 1984 | 33% | 0% |
| Aug 20 | 90°F | 62°F | 101°F 2020 | 57°F 2021 | 32% | 0% |
| Aug 21 | 90°F | 61°F | 102°F 2019 | 54°F 2004 | 32% | 0% |
| Aug 22 | 90°F | 61°F | 100°F 2019 | 56°F 2004 | 31% | 0% |
| Aug 23 | 90°F | 61°F | 100°F 2026 | 56°F 1983 | 31% | 0% |
| Aug 24 | 90°F | 61°F | 100°F 2020 | 57°F 1984 | 30% | 0% |
| Aug 25 | 90°F | 61°F | 102°F 2011 | 56°F 1989 | 30% | 0% |
| Aug 26 | 90°F | 61°F | 101°F 2026 | 55°F 1987 | 29% | 0% |
| Aug 27 | 89°F | 61°F | 102°F 2026 | 53°F 1987 | 28% | 0% |
| Aug 28 | 89°F | 61°F | 104°F 2020 | 57°F 2017 | 28% | 0% |
| Aug 29 | 89°F | 61°F | 100°F 2020 | 57°F 2000 | 27% | 0% |
| Aug 30 | 89°F | 61°F | 99°F 2023 | 53°F 1992 | 27% | 0% |
| Aug 31 | 89°F | 60°F | 101°F 2011 | 53°F 1992 | 26% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- August 1
- sunrise 5:38 AM, sunset 7:17 PM
- August 31
- sunrise 5:56 AM, sunset 6:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00027880 (Sierra Vista), public domain. Records: NOAA GHCN-Daily, station USC00027880, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.