Jacksonville Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Jacksonville, Florida during each month of the year.

The average high and low temperatures are listed below by month and annually for Jacksonville, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Jacksonville, scroll down farther. There are also monthly and yearly counts of days with cold weather and nights with warm temperatures.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Jacksonville, 2010 to 2019
High °F Low °F   High °C Low °C
65 41 January 18 5
70 47 February 21 8
74 49 March 23 10
81 57 April 27 14
86 64 May 30 18
91 71 June 33 21
92 73 July 33 23
91 74 August 33 23
88 70 September 31 21
82 61 October 28 16
73 51 November 23 10
70 47 December 21 8
80 59 Year 27 15
30-year temperature averages for Jacksonville, 1991 to 2020
High °F Low °F   High °C Low °C
66 47 January 19 8
69 50 February 21 10
74 55 March 24 13
81 61 April 27 16
86 69 May 30 21
90 74 June 32 23
92 76 July 33 24
91 76 August 33 25
88 74 September 31 23
82 66 October 28 19
73 56 November 23 13
68 50 December 20 10
80 63 Year 27 17

Days of Hot Weather in Jacksonville

Although Jacksonville has plenty of hot days, it doesn't often get scorching hot. It averages three day a year above 100 °F, in July.

From November through March, the temperature usually remains below 90 degrees. But you can count on the thermometer rising above 80 almost every day from May to September.

Days per month in Jacksonville of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 12 2 0
February 15 4 0
March 23 11 0
April 28 18 2
May 31 28 11
June 30 29 19
July 31 31 25
August 31 31 23
September 30 29 14
October 30 22 2
November 23 8 0
December 15 4 0
Year 298 216 96

Number of Warm Nights a Month

Summer nights in Jacksonville stay hot. It rarely, if ever, cools down below 70 °F throughout July and August.

Warm nights, when the lowest nighttime temperature remains above 50, can happen any day throughout the year.

Average number of days monthly in Jacksonville that stay above 50, 60 or 70 °F
  50 °F
10 °C
60 °F
16 °C
70 °F
21 °C
January 12 3 0
February 15 4 0
March 22 10 0
April 27 19 3
May 31 28 15
June 30 30 26
July 31 31 31
August 31 31 31
September 30 30 26
October 30 24 11
November 23 11 2
December 15 6 0
Year 297 226 144

Cool Nights in Jacksonville

Freezing weather typically happens four days a year in Jacksonville, occurring any time from December to March. From May to September, the temperature normally goes no lower than 40 °F.

Days in Jacksonville with temperature that drops below 40 or 32 °F
  32 °F
0 °C
40 °F
4 °C
January 2 8
February 1 4
March 0 2
April 0 0
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 0 1
December 1 5
Year 4 21
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

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