Climateby Month

Jacksonville, FL climate by month

NOAA 1991-2020 normals · 16 ft elevation

Jacksonville has hot and oppressively humid summers and mild winters. Highs peak at 92°F in July and fall to 66°F in January. The wettest month is August (about 15 wet days) and the driest is April (about 6). Snow is rare. By our comfort score the best months are February, March and November.

Warmest month
92°F
July normal high
Coldest month
43°F
January normal low
Wet days a year
114
53.4 in of precipitation
Muggy days a year
160
dew point 65°F or higher

How warm is Jacksonville?

Normal highs range from 66°F in January to 92°F in July.

40°50°60°70°80°90°100° January: normal high 66°F (19°C), low 43°F (6°C) 66° 43° February: normal high 69°F (21°C), low 46°F (8°C) March: normal high 74°F (23°C), low 51°F (11°C) April: normal high 80°F (27°C), low 56°F (13°C) May: normal high 86°F (30°C), low 64°F (18°C) June: normal high 90°F (32°C), low 71°F (22°C) July: normal high 92°F (33°C), low 73°F (23°C) 92° 73° August: normal high 91°F (33°C), low 73°F (23°C) September: normal high 87°F (31°C), low 71°F (22°C) October: normal high 81°F (27°C), low 62°F (17°C) November: normal high 73°F (23°C), low 51°F (11°C) December: normal high 68°F (20°C), low 46°F (8°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Jacksonville?

August has the most wet days (about 15); the year brings about 53 in of precipitation.

January: 8 wet days February: 8 wet days March: 8 wet days April: 6 wet days 6 May: 7 wet days June: 14 wet days July: 14 wet days August: 15 wet days 15 September: 12 wet days October: 8 wet days November: 7 wet days December: 8 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How humid is Jacksonville?

Muggy days peak in August, at about 31 days.

January: 1 muggy days February: 1 muggy days 1 March: 2 muggy days April: 5 muggy days May: 15 muggy days June: 27 muggy days July: 31 muggy days August: 31 muggy days 31 September: 27 muggy days October: 15 muggy days November: 5 muggy days December: 2 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Jacksonville NAS, 6.9 mi S of the city center.

How much daylight?

Daylight ranges from about 10.2 hours in December to 14.1 hours in June.

January: 10.4 hours of daylight February: 11.1 hours of daylight March: 12.0 hours of daylight April: 12.9 hours of daylight May: 13.7 hours of daylight June: 14.1 hours of daylight 14.1 July: 13.9 hours of daylight August: 13.2 hours of daylight September: 12.3 hours of daylight October: 11.4 hours of daylight November: 10.6 hours of daylight December: 10.2 hours of daylight 10.2 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Jacksonville, 1991-2020
MonthHighLowPrecip.Wet daysMuggy daysDaylight
January 66°F43°F 3.3 in8 1 10.4 h
February 69°F46°F 2.9 in8 1 11.1 h
March 74°F51°F 3.3 in8 2 12.0 h
April 80°F56°F 2.9 in6 5 12.9 h
May 86°F64°F 3.4 in7 15 13.7 h
June 90°F71°F 7.6 in14 27 14.1 h
July 92°F73°F 6.8 in14 31 13.9 h
August 91°F73°F 6.9 in15 31 13.2 h
September 87°F71°F 7.6 in12 27 12.3 h
October 81°F62°F 4.0 in8 15 11.4 h
November 73°F51°F 2.0 in7 5 10.6 h
December 68°F46°F 2.8 in8 2 10.2 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Jacksonville

By our comfort score, the best months are February, March and November.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 611350
Feb 661450
Mar 671560
Apr 651141
May 51358
Jun 3901016
Jul 3401024
Aug 3401020
Sep 41089
Oct 55751
Nov 651540
Dec 611340

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Jacksonville

The last spring frost typically comes around Feb 1, and the first fall frost around Jan 5, leaving 330 frost-free days in a typical year.

Frost and freeze dates for Jacksonville
Typical date1 year in 10
Last spring frost (32°F)Feb 1after Mar 3
First fall frost (32°F)Jan 5before Dec 3
Hard freeze (28°F)in about 43% of years; no typical date
Frost-free season330 daysunder 299 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Jacksonville NAS (USW00093837), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Florida.

Hottest and coldest readings, 1991-2020

The highest reading was 103°F (June 19, 1998); the lowest was 19°F (January 24, 2003).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Jacksonville

Similar climates elsewhere

Where the numbers come from

  • Temperature and rain: Jacksonville (USW00013889), 11 mi NNW of the city center, 33 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Jacksonville Beach (USC00084366), 16 mi E of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
  • Frost dates and humidity and wind by hour: Jacksonville NAS (USW00093837), 6.9 mi S of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Jacksonville NAS (722065-93837), 6.9 mi S of the city center, 20 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error