Lowest Daily High Temperatures in San Juan History

This is a list of the coldest daily high temperatures ever recorded in San Juan, Puerto Rico history from 1956–2024 based on data from the NOAA.

Lowest temperatures all-time

Record for the lowest daily high temperature in San Juan

The lowest high temperature for a calendar day in San Juan, Puerto Rico history was 73 °F which happened on Tuesday, January 18, 2000.

Rank	Temperature	Date
1	73 °F	January 18, 2000
2	74 °F	March 7, 2010
2	74 °F	January 16, 2000
2	74 °F	March 17, 1987
2	74 °F	March 23, 1979
2	74 °F	January 21, 1977
7	75 °F	February 5, 2022
7	75 °F	January 28, 2006
7	75 °F	February 1, 1997
7	75 °F	January 23, 1977
7	75 °F	February 20, 1969
7	75 °F	February 12, 1962
13	76 °F	December 29, 2010
13	76 °F	December 15, 2010
13	76 °F	January 14, 2010
13	76 °F	January 21, 2008
13	76 °F	February 2, 2006
13	76 °F	January 26, 2005
13	76 °F	May 23, 2004
13	76 °F	June 19, 1993
13	76 °F	October 6, 1985
13	76 °F	November 4, 1983
13	76 °F	December 12, 1981
13	76 °F	March 30, 1979
13	76 °F	January 14, 1970
13	76 °F	January 11, 1970
13	76 °F	November 22, 1969
13	76 °F	March 1, 1969
13	76 °F	February 7, 1966
13	76 °F	January 13, 1959
13	76 °F	February 1, 1956
13	76 °F	January 31, 1956