The summary climate graph for Long Beach, 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 Long Beach, California is August with an average high temperature of 83.2°F. The hottest day on record was September 28 2010 when the temperature hit 111.0°F. During January the overnight temperature drops to an average of 45.6°F with the lowest temperature of 20.1°F being recorded on January 2 1974.
The warmest days on record are:
| 28 Sep 2010 | 111°F |
| 14 Oct 1961 | 109.9°F |
| 26 Sep 1963 | 109°F |
| 6 Sep 1984 | 108°F |
| 1 Sep 1955 | 107.1°F |
The warmest months on average were:
| September 1984 | 91.4°F |
| August 1998 | 91.2°F |
| August 1983 | 90.7°F |
| September 2012 | 90.3°F |
| July 2006 | 89.5°F |
The coldest days on record are:
| 2 Jan 1974 | 20.1°F |
| 4 Jan 1975 | 26.2°F |
| 4 Jan 1949 | 28°F |
| 22 Dec 1990 | 28°F |
| 6 Jan 1950 | 30°F |
The coldest months on average were:
| January 1949 | 37.5°F |
| January 1947 | 39°F |
| January 1950 | 39.5°F |
| January 2001 | 40.7°F |
| December 1978 | 41.6°F |
The wettest month by average rainfall in Long Beach, CA is February with an average of 1.7 inches of rain falling on 6 to 7 days.Although in January it typically rains on more days with 1.6 inches falling in 6 to 7 days. The driest month by average rainfall in Long Beach, CA is July with an average of 0.0 inches of rain falling on 1 to 2 days. Although in August it typically rains on less days with 0.0 inches falling in 1 to 2 days
The wettest days on record are:
| 9 May 1977 | 2.1 inches |
| 3 May 2003 | 1 inches |
| 13 May 1998 | 0.7 inches |
| 28 May 1990 | 0.7 inches |
| 22 May 2006 | 0.5 inches |
The wettest months on record are:
| February 1998 | 12.5 inches |
| January 1995 | 11.7 inches |
| December 2010 | 10.6 inches |
| February 2005 | 9.4 inches |
| March 1983 | 8.4 inches |
The driest months on record are:
| February 1943 | 0 inches |
| March 1943 | 0 inches |
| April 1943 | 0 inches |
| May 1943 | 0 inches |
| June 1943 | 0 inches |