Climateby Month

Jackson, MS weather in January

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

Expect cool weather with some rain in Jackson in January, with highs near 57°F and lows near 37°F. Rain falls on about 10 days. It is one of the coolest months in Jackson.

Normal high
57°F
Normal low
37°F
Wet days
10
5.4 in total
Muggy days
0
dew point 65°F+

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high57°F59°F
Normal low37°F37°F
Chance of a wet day33%32%
Sunrise / sunset7:02 am / 5:06 pm6:55 am / 5:32 pm
Daylight10.1 h10.6 h

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

A typical January day

  1. 6 am41°Fdew point 36°F
  2. 9 am45°Fdew point 38°F
  3. Noon53°Fdew point 38°F
  4. 3 pm55°Fdew point 37°F
  5. 6 pm49°Fdew point 38°F
  6. 9 pm45°Fdew point 38°F

NOAA hourly normals (local standard time) from Jackson Intl Airport (6 mi away); average wind 7 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F7 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below12 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

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

Rain and snow in January

Normal precipitation is 5.4 in; a dry January brings about 3.8 in and a wet one about 6.8 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more. Normal snowfall is 0.2 in.

How January varies from year to year

  • Warmest January, 1991-20202017: average high 66°F
  • Coolest January1994: average high 51°F
  • Wettest January2020: 13.8 in
  • Driest January2003: 1.3 in
  • Highest reading83°F (January 31, 2002)
  • Lowest reading10°F (January 17, 2018)

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 high60°F57°F62°F
Normal low39°F37°F40°F
Wet days101010
Comfortable days9711
Daylight10.1 h10.3 h11.1 h

Highs change by -3°F from December and +5°F into February.

Nearby alternatives in January

How Jackson ranks in January

  • Normal high135th warmest of 378 cities; 2nd of 2 in Mississippi
  • Wet days199th driest of 378
  • Comfortable days107th most of 339

What to pack for Jackson in January

  • A warm jacket – lows near 37°F, highs near 57°F
  • A rain jacket or umbrella – rain on about 10 days

Heating and cooling

January has 562 heating degree days and 5 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.

Questions

How cold is Jackson in January?

The normal high is 57°F and the normal low is 37°F. From 1991 to 2020 the coldest January reading was 10°F (January 17, 2018).

Does it rain a lot in Jackson in January?

About 10 days in January have at least 0.01 in of precipitation, and the normal total is 5.4 in. The wettest January in 1991-2020 was in 2020 (13.8 in); the driest was in 2003 (1.3 in).

Does it snow in Jackson in January?

Yes. Normal snowfall in January is 0.2 in.

Is January a good time to visit Jackson?

January ranks 8th of 12 months on our comfort score for Jackson (50 out of 100). It has about 7 comfortable days. The best months are March and April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Jackson Intl Airport (USW00003940), 6.4 mi ENE of the city center, 296 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Jackson International Airport (722350-03940), 6.4 mi ENE of the city center, 296 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).