Monthly Records for Primary Climatological Data Sites
(Top 5 for each month)
Climate Records since 1898
Wettest -Highest total rainfall for the calendar month
Driest- Lowest total rainfall for the calendar month
Hottest - Highest average temperatures for the calendar month
Coolest - Lowest average temperature for the calendar month
* Calculations were made for records with no more than three missing days of data for any variable.
| |
San Juan
|
|
January
|
| Wettest |
Driest |
Hottest |
Coolest |
| 15.47" 1937 |
0.61" 1978 |
80.2°F 2014 |
73.3°F 1950 |
| 12.45" 1902 |
0.69" 1983 |
80.1°F 2024 |
73.4°F 1917 |
| 11.07" 2010 |
0.94" 1960 |
79.8°F 1981 |
73.4°F 1907 |
| 9.08" 2020 |
1.26" 1918 |
79.4°F 2020 |
73.6°F 1945 |
| 8.09" 1934 |
1.29" 1979 |
78.9°F 2018 |
73.7°F 1923 |
|
|
February
|
| Wettest |
Driest |
Hottest |
Coolest |
| 11.69" 2022 |
0.05" 1941 |
80.0°F 2010 |
73.3°F 1951 |
| 8.23" 2020 |
0.09" 1902 |
79.9°F 1983 |
73.3°F 1917 |
| 7.90" 1950 |
0.20" 1983 |
79.7°F 2020 |
73.4°F 1925 |
| 7.84" 1918 |
0.50" 1901 |
79.6°F 2017 |
73.4°F 1918 |
| 7.34" 1954 |
0.51" 1993 |
79.3°F 2014 |
73.6°F 1954 |
|
|
March
|
| Wettest |
Driest |
Hottest |
Coolest |
| 9.38" 1927 |
Trace 2005 |
82.2°F 1983 |
73.8°F 1951 |
| 9.27" 2012 |
0.45" 1951 |
80.9°F 2024 |
74.0°F 1907 |
| 7.18" 1913 |
0.46" 1924 |
80.9°F 1981 |
74.1°F 1939 |
| 6.04" 2017 |
0.47" 1916 |
80.7°F 2010 |
74.1°F 1922 |
| 5.41" 1958 |
0.51" 2014 |
80.1°F 2014 |
74.1°F 1917 |
|
|
April
|
| Wettest |
Driest |
Hottest |
Coolest |
| 15.00" 2005 |
0.08" 1997 |
82.5°F 2014 |
74.3°F 1922 |
| 13.17" 1915 |
0.28" 1984 |
81.8°F 1984 |
74.6°F 1921 |
| 10.37" 1988 |
0.42" 1935 |
81.7°F 1983 |
74.7°F 1938 |
| 10.23" 1940 |
0.50" 1968 |
81.6°F 2024 |
75.0°F 1945 |
| 10.06" 2006 |
0.83" 1928 |
81.5°F 2020 |
75.2°F 1923 |
|
|
May
|
| Wettest |
Driest |
Hottest |
Coolest |
| 16.88" 1936 |
0.44" 1972 |
84.5°F 2024 |
76.1°F 1913 |
| 14.99" 1965 |
0.48" 1973 |
84.1°F 2020 |
76.7°F 1929 |
| 14.54" 2013 |
0.71" 1925 |
83.8°F 1980 |
76.8°F 1918 |
| 13.97" 1902 |
1.04" 1975 |
83.4°F 1981 |
77.2°F 1943 |
| 13.82" 1932 |
1.09" 2022 |
83.3°F 2007 |
77.3°F 1946 |
|
|
June
|
| Wettest |
Driest |
Hottest |
Coolest |
| 13.60" 2011 |
0.16" 2012 |
86.1°F 2024 |
77.8°F 1913 |
| 12.22" 1902 |
0.29" 1985 |
85.7°F 2012 |
78.2°F 1923 |
| 11.76" 1938 |
0.77" 2014 |
85.6°F 2023 |
78.4°F 1943 |
| 11.29" 2013 |
0.98" 1997 |
85.4°F 1983 |
78.5°F 1939 |
| 10.96" 1965 |
1.24" 1971 |
85.2°F 2014 |
78.5°F 1922 |
|
|
July
|
| Wettest |
Driest |
Hottest |
Coolest |
| 14.17" 2013 |
1.10" 1929 |
85.7°F 2024 |
78.7°F 1921 |
| 11.23" 1950 |
1.12" 1974 |
85.1°F 1980 |
78.8°F 1913 |
| 11.08" 2011 |
1.41" 1947 |
85.0°F 2014 |
78.9°F 1919 |
| 10.98" 1901 |
1.61" 2015 |
84.9°F 1981 |
79.1°F 1949 |
| 10.97" 1952 |
1.69" 1971 |
84.8°F 2009 |
79.1°F 1925 |
|
|
August
|
| Wettest |
Driest |
Hottest |
Coolest |
| 18.56" 2011 |
1.53" 1919 |
85.8°F 2024 |
78.9°F 1904 |
| 14.10" 1944 |
1.83" 1994 |
85.2°F 2023 |
79.0°F 1913 |
| 11.31" 1988 |
1.93" 1982 |
85.0°F 1980 |
79.4°F 1921 |
| 10.39" 1928 |
1.94" 1991 |
84.6°F 2020 |
79.5°F 1909 |
| 10.38" 1899 |
2.36" 1915 |
84.6°F 1982 |
79.6°F 1922 |
|
|
September
|
| Wettest |
Driest |
Hottest |
Coolest |
| 15.79" 2017 |
1.49" 1940 |
86.1°F 2024 |
79.3°F 1910 |
| 15.15" 1996 |
1.73" 1987 |
85.8°F 2023 |
79.6°F 1921 |
| 14.83" 1989 |
1.78" 2006 |
85.0°F 2021 |
79.6°F 1904 |
| 13.68" 1928 |
1.93" 1961 |
84.9°F 2019 |
79.7°F 1922 |
| 13.66" 1899 |
1.98" 1986 |
84.9°F 2012 |
79.7°F 1917 |
|
|
October
|
| Wettest |
Driest |
Hottest |
Coolest |
| 15.06" 1970 |
1.17" 1979 |
85.6°F 2024 |
78.3°F 1917 |
| 12.15" 1927 |
1.61" 1915 |
85.4°F 2023 |
78.3°F 1913 |
| 11.94" 2005 |
1.63" 1963 |
84.6°F 2015 |
79.0°F 1922 |
| 11.25" 2006 |
1.74" 1992 |
84.4°F 2009 |
79.1°F 1935 |
| 11.10" 1985 |
1.77" 2015 |
84.4°F 1980 |
79.2°F 1936 |
|
|
November
|
| Wettest |
Driest |
Hottest |
Coolest |
| 17.65" 2016 |
1.48" 1954 |
82.7°F 2023 |
77.2°F 1945 |
| 15.96" 1979 |
1.63" 1910 |
82.5°F 2024 |
77.2°F 1922 |
| 15.64" 1931 |
1.91" 1980 |
82.4°F 2012 |
77.2°F 1898 |
| 15.04" 1950 |
2.31" 1971 |
82.2°F 2021 |
77.3°F 1919 |
| 13.29" 1915 |
2.62" 1947 |
82.2°F 2019 |
77.3°F 1913 |
|
|
December
|
| Wettest |
Driest |
Hottest |
Coolest |
| 16.81" 1981 |
0.68" 1963 |
81.5°F 2019 |
74.7°F 1917 |
| 15.40" 1910 |
0.98" 1925 |
81.2°F 2024 |
74.8°F 1916 |
| 12.64" 1922 |
1.02" 1997 |
80.8°F 2016 |
74.8°F 1909 |
| 11.79" 2001 |
1.66" 1914 |
80.2°F 1980 |
74.8°F 1906 |
| 10.86" 1911 |
1.69"1916 |
80.2°F 2013 |
75.0°F 1923 |
|
Click here to return to unique local climate data web page for the NWS San Juan
Climate Records since 1953
Wettest -Highest total rainfall for the calendar month
Driest- Lowest total rainfall for the calendar month
Hottest - Highest average temperatures for the calendar month
Coolest - Lowest average temperature for the calendar month
* Calculations were made for records with no more than three missing days of data for any variable.
| |
Saint Thomas
|
|
January
|
| Wettest |
Driest |
Hottest |
Coolest |
| 4.83" 2006 |
0.48" 2013 |
80.8°F 1994 |
75.0°F 1955 |
| 4.67" 1995 |
0.75" 2021 |
80.2°F 1995 |
76.0°F 1956 |
| 4.19" 1956 |
0.76" 2007 |
80.1°F 1993 |
76.5°F 1953 |
| 3.97" 2008 |
3.97" 1991 |
79.9°F 1996 |
76.6°F 1954 |
| 3.62" 1992 |
0.87" 1976 |
79.9°F 2024 |
76.7°F 1958 |
|
|
February
|
| Wettest |
Driest |
Hottest |
Coolest |
| 13.35" 2015 |
0.42" 1987 |
81.2°F 1994 |
75.8°F 1956 |
| 3.96" 1954 |
0.47" 1993 |
80.9°F 1995 |
76.2°F 1999 |
| 3.79" 1956 |
0.52" 2010 |
80.5°F 1993 |
76.2°F 1955 |
| 3.31" 1983 |
0.58" 1988 |
80.4°F 2021 |
76.2°F 1954 |
| 3.02" 1982 |
0.60" 2008 |
80.4°F 1996 |
76.6°F 1957 |
|
|
March
|
| Wettest |
Driest |
Hottest |
Coolest |
| 6.23" 2004 |
0.01" 2008 |
81.8°F 1993 |
74.5°F 2018 |
| 5.83" 2017 |
0.36" 1959 |
81.7°F 1994 |
76.5°F 2009 |
| 4.37" 1961 |
0.44" 1984 |
81.3°F 1979 |
76.5°F 2000 |
| 3.95" 2012 |
0.52" 1991 |
81.0°F 2010 |
76.6°F 1955 |
| 3.95" 1975 |
0.58" 2021 |
81.0°F 1996 |
77.0°F 2011 |
|
|
April
|
| Wettest |
Driest |
Hottest |
Coolest |
| 11.20" 2003 |
0.23" 1953 |
84.0°F 1993 |
77.4°F 1955 |
| 6.66" 1978 |
0.48" 1985 |
83.2°F 1995 |
78.2 °F 2008 |
| 6.52" 1986 |
0.54" 2004 |
83.2°F 1994 |
78.4°F 1956 |
| 6.22" 2007 |
0.57" 2000 |
82.4°F 1979 |
78.4°F 1954 |
| 4.75" 1960 |
0.67" 1991 |
82.1°F 1992 |
78.6°F 1976 |
|
|
May
|
| Wettest |
Driest |
Hottest |
Coolest |
| 9.98" 1979 |
Trace" 2020 |
85.9°F 1994 |
79.3°F 1959 |
| 9.80" 1987 |
0.06" 2008 |
84.8°F 1995 |
79.7°F 1957 |
| 8.22" 1980 |
0.28" 2007 |
83.7°F 2016 |
79.8°F 1986 |
| 8.04" 2011 |
0.47" 1973 |
83.5°F 1973 |
79.8°F 1956 |
| 7.00" 1958 |
0.58" 1975 |
83.4°F 1993 |
80.0°F 1963 |
|
|
June
|
| Wettest |
Driest |
Hottest |
Coolest |
| 9.51" 2010 |
0.07" 2007 |
86.4°F 1994 |
80.0°F 1956 |
| 8.29" 1956 |
0.08" 2012 |
86.4°F 1976 |
81.0°F 1976 |
| 6.97" 1983 |
0.14" 2014 |
86.2°F 1996 |
81.6°F 1981 |
| 5.33" 2009 |
0.18" 2003 |
85.7°F 2017 |
81.6°F 1972 |
| 5.00" 1973 |
0.28" 1989 |
85.7°F 1995 |
81.7°F 2009 |
|
|
July
|
| Wettest |
Driest |
Hottest |
Coolest |
| 7.75" 2019 |
0.03" 2007 |
86.6°F 1979 |
81.8°F 1956 |
| 7.41" 1958 |
0.22" 2015 |
86.5°F 1994 |
82.1°F 1955 |
| 7.40" 2010 |
0.24" 1956 |
86.2°F 1993 |
82.3°F 1954 |
| 5.74" 2005 |
0.74" 1994 |
86.0°F 2023 |
82.4°F 1958 |
| 4.85" 1963 |
0.81" 2014 |
85.9°F 1995 |
82.6°F 1964 |
|
|
August
|
| Wettest |
Driest |
Hottest |
Coolest |
| 9.14" 2011 |
0.70" 1993 |
87.3°F 1994 |
81.2°F 1956 |
| 8.54" 1963 |
0.98" 1991 |
87.2°F 1993 |
82.2°F 1989 |
| 8.22" 2005 |
1.26" 2002 |
85.8°F 2023 |
82.3°F 1954 |
| 7.76" 2014 |
1.75" 2015 |
85.7°F 2020 |
82.6°F 1955 |
| 7.53" 2013 |
1.75" 2009 |
85.6°F 1992 |
82.9°F 1983 |
|
|
September
|
| Wettest |
Driest |
Hottest |
Coolest |
| 14.94" 1953 |
0.92" 2012 |
86.3°F 1993 |
80.3°F 1979 |
| 13.89" 2004 |
1.08" 1986 |
86.0°F 2023 |
80.4°F 1954 |
| 12.86" 2008 |
1.42" 1987 |
85.7°F 1992 |
81.3°F 1956 |
| 11.43" 1979 |
1.59" 2018 |
85.6°F 1994 |
81.6°F 2008 |
| 11.03" 1960 |
1.62" 1983 |
85.1°F 2020 |
81.9°F 1974 |
|
|
October
|
| Wettest |
Driest |
Hottest |
Coolest |
| 16.20" 2010 |
1.95" 2011 |
85.5°F 1993 |
78.7°F 1954 |
| 12.49" 2005 |
2.00" 1988 |
85.4°F 1994 |
80.3°F 1956 |
| 12.45" 1974 |
2.21" 1979 |
85.2°F 1992 |
80.5°F 2010 |
| 12.39" 1954 |
2.22" 1957 |
84.1°F 2024 |
80.6°F 1985 |
| 11.04" 2008 |
2.27" 2009 |
84.1°F 2019 |
81.0°F 1974 |
|
|
November
|
| Wettest |
Driest |
Hottest |
Coolest |
| 18.39" 2003 |
0.78" 1962 |
83.3°F 1994 |
78.1°F 2010 |
| 14.73" 1984 |
0.90" 1963 |
83.2°F 1990 |
78.1°F 1954 |
| 10.97" 2013 |
1.35" 1980 |
82.8°F 1993 |
78.8°F 1956 |
| 10.36" 1987 |
1.49" 1973 |
82.4°F 2023 |
79.1°F 1982 |
| 10.15" 1974 |
1.62" 1976 |
82.3°F 2019 |
79.3°F 1974 |
|
|
December
|
| Wettest |
Driest |
Hottest |
Coolest |
| 9.87" 1960 |
0.63" 1963 |
81.8°F 1994 |
75.7°F 2010 |
| 7.45" 1957 |
0.76" 1956 |
81.6°F 1993 |
76.1°F 1964 |
| 7.34" 2013 |
1.12" 2000 |
81.2°F 2019 |
76.2°F 1954 |
| 6.66" 1981 |
1.29" 1958 |
81.1°F 1992 |
77.0°F 1982 |
| 5.93" 1998 |
1.38" 1991 |
80.9°F 1987 |
77.7°F 1974 |
|
Click here to return to unique local climate data web page for the NWS San Juan
Climate Records since 1951
Wettest -Highest total rainfall for the calendar month
Driest- Lowest total rainfall for the calendar month
Hottest - Highest average temperatures for the calendar month
Coolest - Lowest average temperature for the calendar month
* Calculations were made for records with no more than three missing days of data for any variable.
| |
Saint Croix
|
|
January
|
| Wettest |
Driest |
Hottest |
Coolest |
| 7.35" 1963 |
0.40" 2019 |
81.5°F 2024 |
73.4°F 2012 |
| 5.26" 2005 |
0.41" 2018 |
80.6°F 1973 |
75.2°F 1979 |
| 4.77" 1952 |
0.49" 2011 |
80.0°F 1994 |
75.5°F 1955 |
| 3.74" 1999 |
0.50" 2016 |
79.7°F 1999 |
75.7°F 1965 |
| 3.42" 1964 |
0.54" 1977 |
79.7°F 1998 |
75.9°F 1956 |
|
|
February
|
| Wettest |
Driest |
Hottest |
Coolest |
| 4.86" 2022 |
0.11" 2005 |
80.2°F 1994 |
74.8°F 2012 |
| 4.23" 1995 |
0.18" 1983 |
80.0°F 2019 |
76.0°F 1956 |
| 3.59" 1988 |
0.30" 1986 |
79.9°F 2024 |
76.4°F 1999 |
| 3.54" 1956 |
0.32" 2010 |
79.9°F 1998 |
76.4°F 1952 |
| 3.51" 1976 |
0.39" 2019 |
79.8°F 2021 |
76.5°F 1982 |
|
|
March
|
| Wettest |
Driest |
Hottest |
Coolest |
| 6.40" 2017 |
0.02" 2019 |
81.5°F 2024 |
75.8°F 1951 |
| 4.15" 1985 |
0.17" 1951 |
80.6°F 2010 |
75.9°F 1982 |
| 3.81" 2012 |
0.29" 2023 |
80.6°F 1983 |
75.9°F 1955 |
| 3.76" 2020 |
0.29" 2003 |
80.5°F 1973 |
76.1°F 1979 |
| 3.41" 1972 |
0.39" 2005 |
80.3°F 1998 |
76.8°F 2011 |
|
|
April
|
| Wettest |
Driest |
Hottest |
Coolest |
| 8.53" 2003 |
Trace 1988 |
82.0°F 1958 |
75.7°F 1982 |
| 8.24" 1983 |
0.02" 1997 |
81.7°F 1973 |
76.6 °F 1955 |
| 7.69" 2017 |
0.22" 1953 |
81.3°F 2000 |
77.3°F 1954 |
| 5.38" 1952 |
0.31" 2004 |
81.3°F 1987 |
77.9°F 1979 |
| 5.17" 1960 |
0.46" 1987 |
81.3°F 1972 |
78.5°F 1956 |
|
|
May
|
| Wettest |
Driest |
Hottest |
Coolest |
| 14.03" 1981 |
0.22" 1974 |
84.4°F 1994 |
77.1°F 1982 |
| 11.38" 2001 |
0.34" 2023 |
83.6°F 1988 |
78.4°F 1979 |
| 8.89" 1987 |
0.35" 2022 |
83.4°F 1973 |
79.2°F 1959 |
| 8.42" 1979 |
0.37" 2003 |
83.3°F 1972 |
79.4°F 1955 |
| 8.09" 2004 |
0.39" 2002 |
83.2°F 1977 |
79.7°F 2011 |
|
|
June
|
| Wettest |
Driest |
Hottest |
Coolest |
| 7.83" 1987 |
0.10" 2001 |
85.6 °F 2020 |
79.5°F 1982 |
| 7.31" 2011 |
0.12" 1985 |
85.6 °F 1980 |
80.2°F 1979 |
| 7.03" 2010 |
0.26" 2012 |
85.1°F 2024 |
80.6°F 1955 |
| 6.34" 1979 |
0.47" 2014 |
85.0°F 2023 |
81.2°F 1956 |
| 4.90" 2013 |
0.49" 2019 |
85.0°F 1972 |
81.4 °F 2007 |
|
|
July
|
| Wettest |
Driest |
Hottest |
Coolest |
| 7.62" 1958 |
0.49" 1976 |
86.5°F 1989 |
81.2°F 1956 |
| 6.91" 1964 |
0.77" 2015 |
85.6°F 2024 |
81.2°F 1952 |
| 6.57" 2011 |
0.90" 2014 |
85.3°F 1985 |
81.4°F 1955 |
| 6.17" 1960 |
0.95" 2009 |
85.2°F 2020 |
81.5°F 1951 |
| 6.14" 1952 |
1.08" 2017 |
85.0°F 2014 |
81.6°F 2011 |
|
|
August
|
| Wettest |
Driest |
Hottest |
Coolest |
| 11.41"1979 |
1.35" 2005 |
86.7°F 2023 |
81.4°F 1978 |
| 11.04" 1989 |
1.40" 1980 |
86.5°F 1989 |
81.4°F 1956 |
| 7.80" 1978 |
1.51" 2009 |
85.9°F 2020 |
81.4°F 1955 |
| 6.99" 1963 |
1.53" 1982 |
85.2°F 2022 |
81.7°F 1975 |
| 6.81" 2011 |
1.63" 1987 |
85.1°F 2024 |
81.9°F 2006 |
|
|
September
|
| Wettest |
Driest |
Hottest |
Coolest |
| 19.15" 1996 |
0.76" 2023 |
87.7°F 2023 |
80.0°F 1954 |
| 11.80" 2022 |
1.07" 1981 |
85.3°F 1993 |
80.1°F 1975 |
| 9.80" 1953 |
1.27" 2015 |
84.9°F 1972 |
80.3°F 1978 |
| 9.03" 1954 |
1.53" 2021 |
84.8°F 1997 |
80.7°F 1955 |
| 9.00" 1952 |
1.64" 2001 |
84.8°F 2024 |
81.0 °F 1952 |
|
|
October
|
| Wettest |
Driest |
Hottest |
Coolest |
| 12.95" 1990 |
1.05" 1964 |
85.6°F 2023 |
78.8°F 1954 |
| 11.79" 1954 |
1.10" 2002 |
84.5°F 2024 |
80.0°F 2010 |
| 10.12" 2006 |
1.12" 2019 |
84.3°F 1993 |
80.3°F 1981 |
| 9.09" 2008 |
1.23" 1960 |
84.3°F 1972 |
80.3°F 1951 |
| 9.09" 1985 |
1.39" 2016 |
83.7°F 2020 |
80.6°F 2008 |
|
|
November
|
| Wettest |
Driest |
Hottest |
Coolest |
| 18.03" 2003 |
1.00" 2021 |
83.9°F 2023 |
77.5°F 1974 |
| 16.34" 1974 |
1.11" 1976 |
83.3°F 1997 |
78.1°F 1979 |
| 13.25 " 1987 |
1.75" 1964 |
82.2°F 1998 |
78.3°F 2010 |
| 12.70" 1984 |
1.86" 1997 |
82.6°F 1980 |
78.6°F 1977 |
| 11.21" 1977 |
1.92" 2008 |
82.5°F 1993 |
78.7°F 1978 |
|
|
December
|
| Wettest |
Driest |
Hottest |
Coolest |
| 14.03" 1960 |
0.37" 2010 |
81.3°F 1998 |
75.8°F 1964 |
| 9.07" 1975 |
0.60" 2022 |
81.2°F 2024 |
75.9 °F 2010 |
| 7.86" 2001 |
0.75" 2008 |
81.2°F 2019 |
76.4°F 1952 |
| 7.53" 1995 |
0.79" 1963 |
81.1°F 2023 |
76.8°F 1954 |
| 6.80" 1957 |
0.89" 1958 |
81.0°F 2021 |
77.0°F 2011 |
|
Click here to return to unique local climate data web page for the NWS San Juan
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