The summary climate graph for Oxnard, CA 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 Oxnard - Ventura County, Oxnard, California is September with an average high temperature of 74.4°F. The hottest day on record was September 23 1944 when the temperature hit 104.4°F. During December the overnight temperature drops to an average of 45.8°F with the lowest temperature of 25.3°F being recorded on January 14 1963.
The warmest days on record are:
| 23 Sep 1944 | 104.4°F |
| 15 Oct 1997 | 104°F |
| 2 Nov 1997 | 104°F |
| 4 Oct 1987 | 102°F |
| 18 Jun 1957 | 101.3°F |
The warmest months on average were:
| September 1997 | 83.1°F |
| September 1958 | 82.2°F |
| October 1997 | 80.8°F |
| August 1997 | 80.2°F |
| September 1968 | 80.1°F |
The coldest days on record are:
| 14 Jan 1963 | 25.3°F |
| 22 Dec 1990 | 27.1°F |
| 28 Dec 1962 | 27.3°F |
| 21 Dec 1968 | 27.3°F |
| 3 Jan 1960 | 28.4°F |
The coldest months on average were:
| February 1956 | 38.8°F |
| January 1960 | 39.1°F |
| January 1945 | 39.6°F |
| February 1964 | 39.7°F |
| December 1968 | 39.7°F |
The wettest month by average rainfall in Oxnard, CA is January with an average of 0.6 inches of rain falling on 4 to 5 days.Although in March it typically rains on more days with 0.4 inches falling in 4 to 5 days. The driest month in Oxnard, CA is July with an average of 0.0 inches of rain falling on 1 to 2 days.
The wettest days on record are:
| 8 November 1999 | 0.8 inches |
| 21 November 2011 | 0.7 inches |
| 8 November 1998 | 0.5 inches |
| 10 November 2005 | 0.5 inches |
| 21 November 2010 | 0.4 inches |
The wettest months on record are:
| January 2005 | 10 inches |
| December 2010 | 9.6 inches |
| February 2005 | 7.3 inches |
| January 2010 | 6 inches |
| February 2009 | 5.9 inches |
The driest months on record are:
| May 1944 | 0 inches |
| June 1944 | 0 inches |
| July 1944 | 0 inches |
| August 1944 | 0 inches |
| September 1944 | 0 inches |