The summary climate graph for Palacios, TX shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.
The warmest month in Palacios Municipal, Palacios, Texas is August with an average high temperature of 91.1°F. The hottest day on record was September 5 2000 when the temperature hit 105.8°F. During January the overnight temperature drops to an average of 46.6°F with the lowest temperature of 10.0°F being recorded on December 23 1989.
The warmest days on record are:
| 5 Sep 2000 | 105.8°F |
| 26 Jun 2012 | 102.9°F |
| 6 Sep 1985 | 102°F |
| 3 Sep 2011 | 102°F |
| 21 Sep 2005 | 100.9°F |
The warmest months on average were:
| August 2010 | 94.6°F |
| August 2011 | 94.3°F |
| August 1951 | 94°F |
| July 1980 | 93.3°F |
| August 1988 | 93.1°F |
The coldest days on record are:
| 23 Dec 1989 | 10°F |
| 2 Feb 1951 | 14°F |
| 25 Dec 1983 | 14°F |
| 7 Dec 1950 | 18°F |
| 23 Dec 1990 | 19°F |
The coldest months on average were:
| December 1989 | 36.6°F |
| January 1985 | 38.7°F |
| January 1977 | 39.2°F |
| January 1978 | 39.3°F |
| December 1983 | 39.3°F |
The wettest month by average rainfall in Palacios, TX is September with an average of 4.5 inches of rain falling on 8 to 9 days.Although in January it typically rains on more days with 2.7 inches falling in 8 to 9 days. The driest month by average rainfall in Palacios, TX is December with an average of 2.3 inches of rain falling on 7 to 8 days. Although in May it typically rains on less days with 3.1 inches falling in 5 to 6 days
The wettest days on record are:
| 29 March 1995 | 10.2 inches |
| 16 March 1993 | 5.1 inches |
| 20 March 1985 | 3.8 inches |
| 30 March 1990 | 3.1 inches |
| 29 March 1992 | 2.3 inches |
The wettest months on record are:
| September 1979 | 23.8 inches |
| July 2007 | 17.1 inches |
| November 2004 | 15.9 inches |
| September 1998 | 15.9 inches |
| October 1984 | 15 inches |
The driest months on record are:
| September 1946 | 0 inches |
| October 1946 | 0 inches |
| November 1946 | 0 inches |
| December 1946 | 0 inches |
| April 1949 | 0 inches |