Mateo Weather in August
Average highs run from 30°C on August 1 to 29°C on August 31, and lows from 19°C to 19°C. Normal precipitation for the month is 136 mm over about 21 wet days.
August day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 29°C
- Average low
- 19°C
- Precipitation
- 136 mm
- Record high
- 37°CAug 18, 2001
- Record low
- 12°CAug 29, 1966
- Daylight
- 12 h 45 min to 12 h 23 min
- Cloud cover
- 70%
- Humidity
- 75%
- Dew point
- 18°C
- Wind
- 9.0 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 30°C | 19°C | 31°C 1995 | 14°C 1967 | 56% |
| Aug 2 | 30°C | 19°C | 31°C 1983 | 13°C 1973 | 58% |
| Aug 3 | 30°C | 19°C | 32°C 2001 | 15°C 1965 | 59% |
| Aug 4 | 30°C | 19°C | 32°C 2001 | 14°C 2001 | 59% |
| Aug 5 | 30°C | 19°C | 32°C 2001 | 14°C 2001 | 61% |
| Aug 6 | 30°C | 19°C | 31°C 1989 | 14°C 1974 | 61% |
| Aug 7 | 30°C | 19°C | 32°C 2004 | 14°C 2004 | 63% |
| Aug 8 | 30°C | 19°C | 33°C 2004 | 13°C 1975 | 64% |
| Aug 9 | 30°C | 19°C | 32°C 1995 | 14°C 1990 | 65% |
| Aug 10 | 30°C | 19°C | 33°C 2015 | 13°C 1984 | 66% |
| Aug 11 | 29°C | 19°C | 33°C 2023 | 12°C 1994 | 67% |
| Aug 12 | 30°C | 19°C | 33°C 2004 | 13°C 1994 | 67% |
| Aug 13 | 29°C | 19°C | 33°C 2023 | 15°C 1967 | 68% |
| Aug 14 | 29°C | 19°C | 32°C 2004 | 13°C 1990 | 70% |
| Aug 15 | 29°C | 19°C | 33°C 2019 | 15°C 1991 | 71% |
| Aug 16 | 29°C | 19°C | 32°C 2004 | 15°C 1964 | 71% |
| Aug 17 | 29°C | 19°C | 31°C 1998 | 14°C 1973 | 72% |
| Aug 18 | 29°C | 19°C | 37°C 2001 | 14°C 1973 | 73% |
| Aug 19 | 29°C | 19°C | 32°C 1973 | 15°C 1958 | 74% |
| Aug 20 | 29°C | 19°C | 34°C 2023 | 14°C 1965 | 74% |
| Aug 21 | 29°C | 19°C | 32°C 1973 | 13°C 1964 | 74% |
| Aug 22 | 29°C | 19°C | 32°C 1967 | 15°C 1984 | 73% |
| Aug 23 | 29°C | 19°C | 32°C 2017 | 15°C 1984 | 74% |
| Aug 24 | 29°C | 19°C | 32°C 1989 | 14°C 1992 | 74% |
| Aug 25 | 29°C | 19°C | 32°C 2019 | 13°C 1992 | 74% |
| Aug 26 | 29°C | 19°C | 33°C 2015 | 13°C 1992 | 75% |
| Aug 27 | 29°C | 19°C | 32°C 2023 | 13°C 1984 | 76% |
| Aug 28 | 29°C | 19°C | 33°C 2015 | 15°C 1966 | 78% |
| Aug 29 | 29°C | 19°C | 32°C 1997 | 12°C 1966 | 78% |
| Aug 30 | 29°C | 19°C | 32°C 1994 | 14°C 1965 | 79% |
| Aug 31 | 29°C | 19°C | 34°C 2015 | 14°C 1994 | 79% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- August 1
- sunrise 5:33 AM, sunset 6:18 PM
- August 31
- sunrise 5:38 AM, sunset 6:01 PM
Other months
Sources
Records: NOAA GHCN-Daily, station HO000078720, every year on file, quality-flagged values removed. 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 2026-09-29. Sun and moon: computed with the NOAA solar equations and Meeus.