Jacksonville FL Average Temperatures 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

Jacksonville Temperatures: Averages by Month

Days of Hot Weather in Jacksonville

Number of Warm Nights a Month

Cool Nights in Jacksonville

References

More on Weather in Florida