The summary climate graph for Beaufort, SC 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 Beaufort Mcas, Beaufort, South Carolina is July with an average high temperature of 90.9°F. The hottest day on record was June 3 1985 when the temperature hit 106.0°F. During January the overnight temperature drops to an average of 39.5°F with the lowest temperature of 5.0°F being recorded on January 21 1985.
The warmest days on record are:
| 3 Jun 1985 | 106°F |
| 20 Jul 1986 | 105.1°F |
| 29 Jul 1993 | 105.1°F |
| 14 Jul 1980 | 102.9°F |
| 22 Jun 1990 | 102.9°F |
The warmest months on average were:
| July 1986 | 96.5°F |
| July 1993 | 96.3°F |
| June 1981 | 95°F |
| June 1998 | 94.6°F |
| July 2012 | 94.4°F |
The coldest days on record are:
| 21 Jan 1985 | 5°F |
| 9 Jan 1970 | 10°F |
| 25 Dec 1983 | 10.9°F |
| 13 Dec 1962 | 12°F |
| 30 Jan 1966 | 12°F |
The coldest months on average were:
| January 1977 | 30.3°F |
| January 1970 | 32.5°F |
| January 1981 | 33°F |
| January 1978 | 33.6°F |
| December 2000 | 33.6°F |
The wettest month by average rainfall in Beaufort, SC is August with an average of 4.4 inches of rain falling on 14 to 15 days.Although in July it typically rains on more days with 3.6 inches falling in 15 to 16 days. The driest month by average rainfall in Beaufort, SC is November with an average of 1.6 inches of rain falling on 7 to 8 days. Although in October it typically rains on less days with 2.1 inches falling in 7 to 8 days
The wettest days on record are:
| 17 June 1979 | 5.5 inches |
| 19 June 1982 | 5.4 inches |
| 28 June 1992 | 4 inches |
| 11 June 1998 | 3.8 inches |
| 17 June 1985 | 2.6 inches |
The wettest months on record are:
| October 1994 | 21.4 inches |
| August 1995 | 14.7 inches |
| August 1986 | 13 inches |
| September 1988 | 12.5 inches |
| September 1979 | 12.2 inches |
The driest months on record are:
| May 1945 | 0 inches |
| June 1945 | 0 inches |
| July 1945 | 0 inches |
| August 1945 | 0 inches |
| September 1945 | 0 inches |