MAYAGUEZ CITY, PUERTO RICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 86.2 86.3 87.2 87.8 89.1 90.6 90.6 90.8 90.5 90.0 88.5 86.6 88.7
Highest Mean Max. Temperature (F) 88.8 89.4 89.5 90.7 92.1 93.2 93.1 93.6 92.6 93.3 91.4 89.1 93.6
Year Highest Occurred 1985 1985 1983 1987 1988 1997 1990 1999 1983 1998 1997 1997 1999
Lowest Mean Max. Temperature (F) 81.8 83.3 83.9 84.5 86.4 87.5 87.6 87.6 87.8 87.3 85.8 80.0 80.0
Year Lowest Occurred 1997 1997 1995 1996 1996 1996 1996 1994 1994 1994 1974 1999 1999
Mean Temperature (F) 75.3 75.1 75.9 77.2 78.9 80.1 80.3 80.3 80.3 80.0 78.4 76.5 78.2
Highest Mean Temperature (F) 77.1 77.5 77.9 80.5 81.4 82.4 82.5 82.7 82.6 83.3 80.5 80.0 83.3
Year Highest Occurred 1979 1979 1981 1987 1987 1992 1993 1990 1999 1998 1987 1998 1998
Lowest Mean Temperature (F) 72.6 72.5 72.4 74.4 75.9 77.0 77.9 77.7 77.0 77.5 76.2 73.8 72.4
Year Lowest Occurred 1976 1975 1976 1974 1974 1976 1974 1996 1996 1974 1974 1973 1976
Mean Min. Temperature (F) 64.3 63.9 64.6 66.5 68.6 69.6 70.0 69.8 70.1 69.9 68.3 66.3 67.7
Highest Mean Min. Temperature (F) 67.5 67.4 68.2 71.2 72.5 72.0 73.5 72.5 73.2 73.3 71.5 72.9 73.5
Year Highest Occurred 1979 1979 1997 1998 1993 1993 1995 1998 1999 1998 1999 1998 1995
Lowest Mean Min. Temperature (F) 61.2 59.5 60.0 61.5 63.9 65.0 66.3 64.9 65.9 67.0 65.4 62.3 59.5
Year Lowest Occurred 1976 1975 1976 1974 1975 1975 1975 1996 1996 1974 1973 1973 1975
Mean Precipitation (in.) 1.59 2.52 3.05 4.04 7.26 6.32 8.68 9.16 10.61 8.93 4.70 1.80 68.66
Highest Precipitation (in.) 6.26 5.99 10.29 10.15 15.00 15.19 20.90 17.47 27.02 17.22 8.17 7.69 27.02
Year Highest Occurred 1993 1996 1989 1996 1986 1981 1977 1975 1998 1985 1972 1981 1998
Lowest Precipitation (in.) 0.08 0.01 0.00 0.41 0.60 0.84 1.00 1.25 1.25 0.51 1.07 0.03 0.00
Year Lowest Occurred 1985 1977 1997 1997 1999 1982 1999 1999 1996 1996 1998 1999 1997
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 318. 282. 338. 366. 429. 453. 475. 474. 458. 462. 402. 355. 4812.

Southeast Regional Climate Center, sercc@climate.ncsu.edu