Jacksonville, Florida Records and Averages

Jacksonville Florida's climate is subtropical, but tends to be cooler than the Florida peninsula to the south. The city is located in the northeast corner of Florida on the banks of the St. Johns River, adjacent to the Atlantic Ocean. The city has four distinct seasons: cool in spring and fall, mild in winter, and warm in summer with plenty of sunshine year-round. Winters can be marked by spells of cold weather, and limited snow or ice occur once every few years but outdoor events and sports outings can be comfortably accommodated year round. 

The hottest month is July, with an average high of 91.9 F and an average low of 72.8 F. In January, the average high temperature is 65.1 F and the average low is 42.5 F.

Normal annual precipitation is 52.55 inches, with the largest monthly totals accumulating from July through September. November is the driest month with 1.91 inches and September is the wettest month with an average of 7.83 inches of precipitation

Temperature + Precipitation

  Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.  
Temperatures
 in F
Max. Min. Avg High Date of 
daily extreme
 high
Low Date of
daily extreme
low
Highest
Avg
Year Lowest
Avg
Year # Days >=
90 F
# Days <=
32 F
# Days <=
32 F
# Days<=
0 F
January 65.1 42.5 53.8 84 29/1957 7 21/1985 66.7 1974 44.0 1977 0.0 0.0 6.3 0.0
February 67.8 44.9 56.3 88 24/1962 19 05/1996 65.2 1949 47.5 1978 0.0 0.0 3.5 0.0
March 73.6 50.2 61.9 91 12/1967 23 03/1980 67.9 1961 55.4 1960 0.1 0.0 0.9 0.0
April 79.7 55.9 67.8 95 21/1968 31 08/2007 73.0 1968 62.6 1983 1.3 0.0 0.0 0.0
May 85.8 63.7 74.8 100 13/1967 45 04/1971 80.6 1953 71.4 1976 8.0 0.0 0.0 0.0
June 89.8 70.2 80.0 103 27/1950 47 01/1984 84.5 1952 75.8 1966 16.2 0.0 0.0 0.0
July 91.9 72.8 82.4 103 17/1981 61 08/1972 84.4 1981 78.9 1974 23.4 0.0 0.0 0.0
August 90.8 72.7 81.8 102 05/1954 59 12/2000 84.9 1954 79.1 1996 20.7 0.0 0.0 0.0
September 87.1 70.1 78.6 98 02/1970 48 19/1981 81.3 1970 75.3 2001 9.4 0.0 0.0 0.0
October 80.2 60.8 70.5 96 06/1951 33 29/2008 76.4 1949 63.9 1987 1.2 0.0 0.0 0.0
November 73.0 50.8 61.9 88 01/1961 21 25/1970 69.9 1948 54.2 1976 0.0 0.0 1.0 0.0
December 66.6 44.2 55.4 84 23/1956 11 25/1983 64.3 1971 47.7 1989 0.0 0.0 4.3 0.0
Annual 79.3 58.2 68.8 103 1950/06/27 7 1985/01/21 71.4 1949 66.2 1976 80.4 0.0 15.9 0.0
Winter 66.5 43.9 55.2 88 1962/02/24 7 1985/01/21 62.3 1950 48.9 1977 0.0 0.0 14.1 0.0
Spring 79.7 56.6 68.2 100 1967/05/13 23 1980/03/03 72.1 1991 64.3 1983 9.4 0.0 0.9 0.0
Summer 90.9 71.9 81.4 103 1950/06/27 47 1984/06/01 83.6 1954 78.7 1974 60.3 0.0 0.0 0.0
Fall 80.1 60.6 70.3 98 1970/09/02 21 1970/11/25 74.2 1985 65.2 1976 10.7 0.0 1.0 0.0

Precipitation

    Total Snowfall
  Avg. High Year Low Year 1 Day Max. >=
0.01 in.
>=
0.10 in.
>=
0.50 in.
>=
1.00 in.
Mean High Year
  in. in. - in. - in. dd/yyyy
or
yyyymmdd
# Days # Days # Days # Days in. in. -
January 3.03 10.20 1991 0.06 1950 2.90 19/1991 8 5 2 1 - - -
February 3.42 11.12 1998 0.52 1962 4.93 03/1970 8 5 2 1 0.0 1.5 1958
March 3.72 10.71 2003 0.40 1999 7.12 28/1970 8 6 2 1 0.0 0.5 1986
April 2.82 11.61 1973 0.14 1987 7.35 03/1973 6 4 2 1 - - -
May 3.40 13.51 2009 0.18 1990 5.40 27/1975 8 5 2 1 - - -
June 5.99 17.15 2004 1.59 1990 6.07 13/2004 13 9 4 2 - - -
July 6.57 16.21 1960 1.97 1977 7.26 01/1966 14 10 4 2 - - -
August 7.23 16.83 2008 1.83 2003 7.82 28/1968 14 10 4 2 - - -
September 7.83 19.36 1949 1.02 1961 10.13 25/1949 13 9 4 2 - - -
October 3.98 13.44 1956 0.23 2000 7.83 03/1992 9 5 2 1 - - -
November 1.91 5.02 1987 0.00 1970 2.75 01/1969 6 4 1 1 - - -
December 2.65 9.77 1997 0.04 1956 3.96 17/2005 7 4 2 1 0.0 0.8 1989
 
Annual 52.55 79.63 1991 31.20 1990 10.13 1949/09/25 114 75 33 15 0.1 0.8 1989
 
Winter 9.10 24.38 1998 2.06 1957 4.93 1970/02/03 23 15 6 3 0.0 1.5 1958
Spring 9.94 27.12 1973 2.57 1954 7.35 1973/04/03 22 14 6 3 0.0 0.5 1986
Summer 19.79 35.60 2004 10.31 1959 7.82 1968/08/28 41 28 13 6 - - -
Fall 13.72 28.87 1950 2.18 1961 10.13 1949/09/25 28 18 8 4 - - -
Florida averages and extremes in precipitation and temperature and Top 10 U.S climate extremes.
Winter = Dec, Jan, and Feb Spring = Mar, Apr, and May
Summer = Jun, Jul, and Aug. Fall = Sep, Oct, and Nov
Data period is 1948 - 2010, Jacksonville Airport. Source: Western Regional Climate Center