December weather in Rio Hondo, TX
The average temperature in Rio Hondo in December is 62.4°F (51.6°F–73.2°F). Average precipitation: 1.22 inches.
December is a winter month in Rio Hondo, and is cooler than the annual average of 75°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 22m. For travel, December is one of the best months of the year to visit.
Avg High
73.2°F
Avg Low
51.6°F
Precipitation
1.22 in
Daylight
10h 22m
December records in Rio Hondo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 88.0°F (2012) | 34.0°F (2010) | 1.00 in (2009) |
| December 2 | 88.0°F (2007) | 39.9°F (2008) | 0.33 in (2016) |
| December 3 | 87.1°F (2012) | 44.1°F (2000) | 1.71 in (2024) |
| December 4 | 88.0°F (2012) | 32.0°F (2009) | 0.17 in (2000) |
| December 5 | 88.0°F (2017) | 29.1°F (2009) | 0.51 in (2020) |
| December 6 | 86.0°F (2021) | 36.0°F (2002) | 2.77 in (2024) |
| December 7 | 87.1°F (2025) | 31.1°F (2011) | 0.64 in (1960) |
| December 8 | 87.1°F (2007) | 33.1°F (2017) | 0.70 in (2002) |
| December 9 | 88.0°F (1961) | 35.1°F (2010) | 2.48 in (2002) |
| December 10 | 88.0°F (2007) | 37.0°F (2018) | 0.58 in (2011) |
| December 11 | 87.1°F (2010) | 31.1°F (2008) | 0.16 in (2011) |
| December 12 | 87.1°F (2007) | 34.0°F (1997) | 0.09 in (1960) |
| December 13 | 87.1°F (2020) | 34.0°F (2000) | 0.55 in (1960) |
| December 14 | 90.0°F (2019) | 34.0°F (1997) | 0.60 in (1960) |
| December 15 | 87.1°F (2015) | 36.0°F (1997) | 0.36 in (2009) |
| December 16 | 88.0°F (2019) | 32.0°F (1958) | 2.43 in (2009) |
| December 17 | 84.9°F (2016) | 33.1°F (2003) | 1.04 in (2025) |
| December 18 | 86.0°F (2012) | 33.1°F (2019) | 0.06 in (2011) |
| December 19 | 87.1°F (2017) | 32.0°F (2000) | 1.50 in (2021) |
| December 20 | 88.0°F (2007) | 37.0°F (2000) | 0.32 in (2021) |
| December 21 | 87.1°F (2013) | 37.0°F (1960) | 0.35 in (2019) |
| December 22 | 86.0°F (2017) | 33.1°F (1998) | 0.07 in (1999) |
| December 23 | 89.1°F (2015) | 27.1°F (2022) | 2.01 in (2006) |
| December 24 | 89.1°F (2015) | 31.1°F (2022) | 0.42 in (2006) |
| December 25 | 88.0°F (2015) | 32.0°F (2020) | 0.83 in (1958) |
| December 26 | 86.0°F (2015) | 30.9°F (2004) | 0.39 in (2013) |
| December 27 | 87.1°F (2008) | 36.0°F (2010) | 0.29 in (2014) |
| December 28 | 88.0°F (2024) | 30.9°F (1997) | 0.46 in (2014) |
| December 29 | 89.1°F (2021) | 32.0°F (1997) | 0.44 in (2025) |
| December 30 | 88.0°F (2024) | 33.1°F (1997) | 2.48 in (2013) |
| December 31 | 89.1°F (2010) | 39.0°F (1958) | 0.67 in (1957) |