Heroica Matamoros Weather in December
Average highs run from 25°C on December 1 to 22°C on December 31, and lows from 15°C to 12°C. Normal precipitation for the month is 31 mm over about 6 wet days.
December day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
December at a glance
- Average high
- 23°C
- Average low
- 14°C
- Precipitation
- 31 mm
- Reanalysis high
- 32°CDec 2, 2007
- Reanalysis low
- -1°CDec 25, 2004
- Daylight
- 10 h 38 min to 10 h 33 min
- Cloud cover
- 67%
- Humidity
- 75%
- Dew point
- 13°C
- Wind
- 18.4 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 |
|---|---|---|---|---|---|
| Dec 1 | 25°C | 15°C | 30°C 1991 | 6°C 2006 | 16% |
| Dec 2 | 25°C | 15°C | 32°C 2007 | 7°C 2009 | 16% |
| Dec 3 | 25°C | 15°C | 30°C 1994 | 9°C 2009 | 15% |
| Dec 4 | 24°C | 15°C | 30°C 2012 | 4°C 2009 | 14% |
| Dec 5 | 24°C | 15°C | 30°C 2017 | 1°C 2009 | 15% |
| Dec 6 | 24°C | 15°C | 30°C 1994 | 5°C 2002 | 15% |
| Dec 7 | 24°C | 15°C | 30°C 1996 | 4°C 2013 | 15% |
| Dec 8 | 24°C | 15°C | 31°C 2009 | 2°C 2017 | 16% |
| Dec 9 | 24°C | 14°C | 31°C 2008 | 3°C 2017 | 16% |
| Dec 10 | 24°C | 14°C | 30°C 1993 | 5°C 2008 | 16% |
| Dec 11 | 24°C | 14°C | 29°C 2020 | 3°C 2008 | 16% |
| Dec 12 | 24°C | 14°C | 30°C 1996 | 5°C 1997 | 15% |
| Dec 13 | 24°C | 14°C | 31°C 2020 | 3°C 1997 | 15% |
| Dec 14 | 24°C | 14°C | 31°C 2019 | 3°C 1997 | 16% |
| Dec 15 | 24°C | 14°C | 30°C 2012 | 6°C 1997 | 16% |
| Dec 16 | 24°C | 14°C | 31°C 2019 | 5°C 2013 | 16% |
| Dec 17 | 23°C | 14°C | 29°C 1995 | 4°C 2003 | 16% |
| Dec 18 | 23°C | 14°C | 28°C 2012 | 3°C 1996 | 17% |
| Dec 19 | 23°C | 13°C | 29°C 2012 | 2°C 1996 | 18% |
| Dec 20 | 23°C | 13°C | 29°C 2007 | 7°C 2016 | 18% |
| Dec 21 | 23°C | 13°C | 31°C 2013 | 6°C 2018 | 18% |
| Dec 22 | 23°C | 13°C | 29°C 2001 | 4°C 1998 | 18% |
| Dec 23 | 23°C | 13°C | 31°C 2015 | 4°C 1998 | 18% |
| Dec 24 | 23°C | 13°C | 31°C 2015 | 1°C 2004 | 19% |
| Dec 25 | 23°C | 13°C | 31°C 2015 | -1°C 2004 | 20% |
| Dec 26 | 23°C | 13°C | 29°C 2016 | 1°C 2004 | 21% |
| Dec 27 | 22°C | 13°C | 30°C 2016 | 6°C 2011 | 22% |
| Dec 28 | 22°C | 13°C | 30°C 2016 | 4°C 1997 | 22% |
| Dec 29 | 22°C | 13°C | 28°C 2016 | 3°C 1997 | 22% |
| Dec 30 | 22°C | 12°C | 29°C 2010 | 5°C 1997 | 21% |
| Dec 31 | 22°C | 12°C | 31°C 2010 | 6°C 2013 | 21% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:00 AM, sunset 5:38 PM
- December 31
- sunrise 7:17 AM, sunset 5:50 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.