The summary climate graph for Monroe, LA 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 Monroe Regional, Monroe, Louisiana is August with an average high temperature of 93.4°F. The hottest day on record was August 31 2000 when the temperature hit 107.1°F. During January the overnight temperature drops to an average of 38.3°F with the lowest temperature of 0.0°F being recorded on February 2 1951.
The warmest days on record are:
| 31 Aug 2000 | 107.1°F |
| 1 Sep 2000 | 107.1°F |
| 3 Aug 2011 | 107.1°F |
| 2 Aug 2010 | 106°F |
| 28 Aug 1943 | 105.3°F |
The warmest months on average were:
| August 2011 | 101.8°F |
| August 2000 | 99°F |
| August 1954 | 98.8°F |
| July 1980 | 98.4°F |
| August 2010 | 98.4°F |
The coldest days on record are:
| 2 Feb 1951 | 0°F |
| 11 Jan 1982 | 3.9°F |
| 25 Dec 1983 | 5.2°F |
| 23 Dec 1989 | 6.3°F |
| 21 Jan 1985 | 8.1°F |
The coldest months on average were:
| January 1985 | 28.5°F |
| January 1977 | 28.7°F |
| February 1978 | 28.9°F |
| January 1978 | 30.1°F |
| January 1984 | 30.3°F |
The wettest month by average rainfall in Monroe, LA is December with an average of 4.0 inches of rain falling on 9 to 10 days.Although in January it typically rains on more days with 3.5 inches falling in 10 to 11 days. The driest month by average rainfall in Monroe, LA is August with an average of 2.5 inches of rain falling on 7 to 8 days. Although in October it typically rains on less days with 3.1 inches falling in 6 to 7 days
The wettest days on record are:
| 8 July 1975 | 7.2 inches |
| 10 July 2007 | 2.3 inches |
| 10 July 1996 | 2.2 inches |
| 10 July 2010 | 2 inches |
| 10 July 1994 | 1.9 inches |
The wettest months on record are:
| October 2009 | 23.1 inches |
| April 1991 | 18.6 inches |
| May 1995 | 17.1 inches |
| July 1975 | 16.9 inches |
| October 2006 | 14.2 inches |
The driest months on record are:
| November 1942 | 0 inches |
| December 1942 | 0 inches |
| January 1943 | 0 inches |
| February 1943 | 0 inches |
| March 1943 | 0 inches |