Climateby Month

Jacksonville, FL weather in January

NOAA 1991-2020 normals and daily records · Jacksonville all year

In January, Jacksonville sees highs around 66°F and lows around 43°F: mild, with some rain. There are about 8 days with rain. It is one of the coolest months in Jacksonville. Good for outdoor plans.

Normal high
66°F
Normal low
43°F
Wet days
8
3.3 in total
Muggy days
1
dew point 65°F+

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high66°F66°F
Normal low43°F44°F
Chance of a wet day25%26%
Sunrise / sunset7:23 am / 5:37 pm7:17 am / 6:02 pm
Daylight10.2 h10.7 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical January day

  1. 6 am50°Fdew point 44°F
  2. 9 am52°Fdew point 45°F
  3. Noon61°Fdew point 45°F
  4. 3 pm64°Fdew point 45°F
  5. 6 pm61°Fdew point 45°F
  6. 9 pm56°Fdew point 46°F

NOAA hourly normals (local standard time) from Jacksonville NAS (7 mi away); average wind 8 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F13 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more1 of 31
  • Wet daysat least 0.01 in of rain or melted snow8 of 31
  • Notable rainat least 0.10 in5 of 31
  • Freezing nightslow 32°F or below6 of 31

Average days per January, counted from daily records for each year 1991-2020.

Rain in January

Normal precipitation is 3.3 in; a dry January brings about 1.9 in and a wet one about 4.3 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.

How January varies from year to year

  • Warmest January, 1991-20202017: average high 72°F
  • Coolest January2010: average high 60°F
  • Wettest January1991: 10.2 in
  • Driest January2003: 0.07 in
  • Highest reading85°F (January 3, 2020)
  • Lowest reading19°F (January 24, 2003)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

January compared with December and February

DecemberJanuaryFebruary
Normal high68°F66°F69°F
Normal low46°F43°F46°F
Wet days888
Comfortable days131314
Daylight10.2 h10.4 h11.1 h

Highs change by -2°F from December and +3°F into February.

Nearby alternatives in January

How Jacksonville ranks in January

  • Normal high65th warmest of 378 cities; 19th of 23 in Florida
  • Wet days133rd driest of 378
  • Comfortable days54th most of 339

Frost in January

The first fall frost typically comes around Jan 5; in 1 year in 10 it comes before Dec 3. All frost dates for Jacksonville.

Heating and cooling

January has 350 heating degree days and 15 cooling degree days (base 65°F), 9% of the year's total heating and cooling demand.

Questions

How cold is Jacksonville in January?

The normal high is 66°F and the normal low is 43°F. From 1991 to 2020 the coldest January reading was 19°F (January 24, 2003).

Does it rain a lot in Jacksonville in January?

About 8 days in January have at least 0.01 in of precipitation, and the normal total is 3.3 in. The wettest January in 1991-2020 was in 1991 (10.2 in); the driest was in 2003 (0.07 in).

Is January a good time to visit Jacksonville?

January ranks 5th of 12 months on our comfort score for Jacksonville (61 out of 100). It has about 13 comfortable days. The best months are February, March and November.

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).