Jackson weather in January: Jackson, Mississippi: normal highs, lows, rain and records for January
Jackson in January has a normal high of 57°F and a normal low of 37°F, a daily mean of 47°F, rising from 57°F on the 1st to 59°F by the 31st. Measurable precipitation falls on 10 days in a normal January, 5.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 3°C, 138 mm of precipitation and 1 cm of snow in January.
- NOAA stationJackson International Airport
- Station IDUSW00003940
- Location32.32°N 90.08°W
- Elevation330 ft (101 m)
- From the center8 miles
- Population141,449
- Jan 57° 37°
- Feb 62° 40°
- Mar 69° 46°
- Apr 77° 53°
- May 84° 62°
- Jun 90° 69°
- Jul 92° 72°
- Aug 92° 72°
- Sep 88° 66°
- Oct 78° 54°
- Nov 67° 44°
- Dec 60° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jackson in January?
The normal high is 57°F and the normal low 37°F, for a daily mean of 47.0°F. January is 2.1°F cooler than December and 3.9°F cooler than February. January is the 12th warmest month of the year in Jackson and the 3rd wettest. Across the month the normal high rises 2°F, from 57°F on January 1 to 59°F on January 31. From one year to the next January's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 43°F and 51°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 57°F | 37°F | 33% | 24% |
| January 8 | 57°F | 37°F | 33% | 24% |
| January 15 | 57°F | 36°F | 32% | 24% |
| January 22 | 58°F | 36°F | 32% | 23% |
| January 31 | 59°F | 37°F | 32% | 23% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 14)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 57°F | 37°F | 33% | 24% | 10 h |
| January 2 | 57°F | 37°F | 33% | 24% | 10 h |
| January 3 | 57°F | 37°F | 33% | 24% | 10 h |
| January 4 | 57°F | 37°F | 33% | 24% | 10 h 10 min |
| January 5 | 57°F | 37°F | 33% | 24% | 10 h 10 min |
| January 6 | 57°F | 37°F | 33% | 24% | 10 h 10 min |
| January 7 | 57°F | 37°F | 33% | 24% | 10 h 10 min |
| January 8 | 57°F | 37°F | 33% | 24% | 10 h 10 min |
| January 9 | 57°F | 37°F | 33% | 24% | 10 h 10 min |
| January 10 | 57°F | 37°F | 32% | 24% | 10 h 10 min |
| January 11 | 57°F | 36°F | 32% | 24% | 10 h 10 min |
| January 12 | 57°F | 36°F | 32% | 24% | 10 h 10 min |
| January 13 | 57°F | 36°F | 32% | 24% | 10 h 10 min |
| January 14 | 57°F | 36°F | 32% | 24% | 10 h 10 min |
| January 15 | 57°F | 36°F | 32% | 24% | 10 h 10 min |
| January 16 | 57°F | 36°F | 32% | 24% | 10 h 20 min |
| January 17 | 57°F | 36°F | 32% | 24% | 10 h 20 min |
| January 18 | 57°F | 36°F | 32% | 24% | 10 h 20 min |
| January 19 | 57°F | 36°F | 32% | 23% | 10 h 20 min |
| January 20 | 57°F | 36°F | 32% | 23% | 10 h 20 min |
| January 21 | 57°F | 36°F | 32% | 23% | 10 h 20 min |
| January 22 | 58°F | 36°F | 32% | 23% | 10 h 20 min |
| January 23 | 58°F | 37°F | 32% | 23% | 10 h 20 min |
| January 24 | 58°F | 37°F | 32% | 23% | 10 h 30 min |
| January 25 | 58°F | 37°F | 32% | 23% | 10 h 30 min |
| January 26 | 58°F | 37°F | 32% | 23% | 10 h 30 min |
| January 27 | 58°F | 37°F | 32% | 23% | 10 h 30 min |
| January 28 | 58°F | 37°F | 32% | 23% | 10 h 30 min |
| January 29 | 59°F | 37°F | 32% | 23% | 10 h 30 min |
| January 30 | 59°F | 37°F | 32% | 23% | 10 h 30 min |
| January 31 | 59°F | 37°F | 32% | 23% | 10 h 40 min |
- Normal high
- 57°FJanuary average
- Normal low
- 37°FJanuary average
- Precipitation
- 5.42 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 0.2 inmonth total
- Nights at 32°F or colder
- 12
- Daylight
- 10 h to 10 h 40 minJanuary 1 to January 31
- Days at 70°F or more
- 5
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003940; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Jackson in January?
On a given January day the chance of 0.01 inch or more is 32% on average, highest around January 1 (33%). In all, 5.42 in falls on 10 days of a normal January, 2 of them with an inch or more.
In a normal January in Jackson, 12 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 0.2 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003940.
How humid and windy is Jackson in January?
At 3 p.m. the normal temperature is 57°F with 48% relative humidity and a dew point of 37°F; at 6 a.m. it is 41°F with 84% humidity. The wind averages 6.7 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 41°F | 36°F | 84% | 5.3 mph | 44% |
| 9 a.m. | 46°F | 38°F | 73% | 7.7 mph | 42% |
| noon | 54°F | 38°F | 54% | 8.8 mph | 47% |
| 3 p.m. | 57°F | 37°F | 48% | 9.0 mph | 42% |
| 6 p.m. | 51°F | 39°F | 63% | 6.1 mph | 49% |
| 9 p.m. | 46°F | 38°F | 74% | 6.0 mph | 55% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003940. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Jackson?
The warmest January temperature on Jackson's official record (since 1896) is 85°F, on January 10, 1949; the coldest is −5°F, on January 27, 1940. The wettest January brought 14.10 in (1979); the snowiest, 11.7 inches (1904).
The January mean against the 1991-2020 normal of 47.0°F: 2021 48.0°F (+1.0), 2022 45.4°F (−1.6), 2023 53.8°F (+6.8), 2024 44.5°F (−2.5), 2025 43.5°F (−3.5), 2026 48.6°F (+1.6). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.0°F | +1.0°F | 3.24 in |
| 2022 | 45.4°F | −1.6°F | 3.59 in |
| 2023 | 53.8°F | +6.8°F | 6.97 in |
| 2024 | 44.5°F | −2.5°F | 9.48 in |
| 2025 | 43.5°F | −3.5°F | 6.21 in |
| 2026 | 48.6°F | +1.6°F | 3.84 in |
Source: records: ACIS, NWS threaded record JANthr; recent months: ACIS, station USW00003940. Records and recent months use complete months only.
How does January in Jackson compare across Mississippi?
Across the 81 places PlainClimate covers in Mississippi, January normal highs run from 49°F in Ripley to 63°F in Pascagoula; Jackson's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.