Matamoros Weather in August
Average highs run from 34°C on August 1 to 33°C on August 31, and lows from 21°C to 20°C. Normal precipitation for the month is 47 mm over about 9 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 34°C
- Average low
- 20°C
- Precipitation
- 47 mm
- Reanalysis high
- 40°CAug 9, 2019
- Reanalysis low
- 14°CAug 17, 2000
- Daylight
- 13 h 18 min to 12 h 40 min
- Cloud cover
- 48%
- Humidity
- 49%
- Dew point
- 14°C
- Wind
- 12.6 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 |
|---|---|---|---|---|---|
| Aug 1 | 34°C | 21°C | 37°C 2019 | 18°C 2010 | 31% |
| Aug 2 | 34°C | 21°C | 37°C 2019 | 18°C 1991 | 32% |
| Aug 3 | 34°C | 21°C | 38°C 2012 | 17°C 1991 | 31% |
| Aug 4 | 34°C | 21°C | 38°C 2011 | 17°C 2020 | 31% |
| Aug 5 | 34°C | 21°C | 38°C 2015 | 17°C 1993 | 30% |
| Aug 6 | 34°C | 21°C | 39°C 2015 | 18°C 1993 | 30% |
| Aug 7 | 34°C | 21°C | 39°C 2015 | 19°C 2004 | 30% |
| Aug 8 | 34°C | 21°C | 39°C 2019 | 18°C 1993 | 30% |
| Aug 9 | 34°C | 21°C | 40°C 2019 | 18°C 1993 | 30% |
| Aug 10 | 34°C | 21°C | 40°C 2019 | 17°C 1998 | 30% |
| Aug 11 | 34°C | 21°C | 39°C 2019 | 17°C 1998 | 30% |
| Aug 12 | 34°C | 21°C | 39°C 2019 | 17°C 1991 | 30% |
| Aug 13 | 34°C | 21°C | 39°C 2019 | 16°C 1991 | 30% |
| Aug 14 | 34°C | 20°C | 38°C 2019 | 17°C 1991 | 30% |
| Aug 15 | 34°C | 20°C | 38°C 2001 | 17°C 1992 | 30% |
| Aug 16 | 34°C | 20°C | 39°C 2019 | 17°C 1992 | 30% |
| Aug 17 | 34°C | 20°C | 39°C 2019 | 14°C 2000 | 30% |
| Aug 18 | 34°C | 20°C | 40°C 2019 | 15°C 2000 | 31% |
| Aug 19 | 34°C | 20°C | 38°C 2019 | 16°C 2000 | 31% |
| Aug 20 | 34°C | 20°C | 39°C 2019 | 16°C 2013 | 31% |
| Aug 21 | 34°C | 20°C | 38°C 1997 | 18°C 1998 | 30% |
| Aug 22 | 34°C | 20°C | 38°C 2019 | 16°C 1998 | 32% |
| Aug 23 | 34°C | 20°C | 37°C 1997 | 17°C 2016 | 32% |
| Aug 24 | 33°C | 20°C | 38°C 2011 | 18°C 2010 | 33% |
| Aug 25 | 33°C | 20°C | 38°C 2018 | 17°C 2016 | 34% |
| Aug 26 | 33°C | 20°C | 37°C 2002 | 17°C 2016 | 36% |
| Aug 27 | 33°C | 20°C | 38°C 2019 | 18°C 1993 | 36% |
| Aug 28 | 33°C | 20°C | 39°C 2020 | 17°C 2015 | 36% |
| Aug 29 | 33°C | 20°C | 38°C 2020 | 16°C 2015 | 36% |
| Aug 30 | 33°C | 20°C | 40°C 2020 | 17°C 2015 | 36% |
| Aug 31 | 33°C | 20°C | 38°C 2020 | 17°C 2009 | 36% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- August 1
- sunrise 6:20 AM, sunset 7:38 PM
- August 31
- sunrise 6:33 AM, sunset 7:13 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.