Atlantic City weather in January: Atlantic City, New Jersey: normal highs, lows, rain and records for January

Atlantic City in January has a normal high of 43°F and a normal low of 25°F, a daily mean of 34°F, holding near 43°F all month. Measurable precipitation falls on 11 days in a normal January, 3.38 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 6°C and low of −4°C, 86 mm of precipitation and 14 cm of snow in January.

  • NOAA stationAtlantic City International Airport
  • Station IDUSW00093730
  • Location39.45°N 74.57°W
  • Elevation60 ft (18 m)
  • From the center8 miles
  • Population38,959
  1. Jan 43° 25°
  2. Feb 46° 26°
  3. Mar 53° 33°
  4. Apr 63° 42°
  5. May 73° 51°
  6. Jun 82° 61°
  7. Jul 87° 67°
  8. Aug 85° 65°
  9. Sep 79° 58°
  10. Oct 68° 46°
  11. Nov 57° 37°
  12. Dec 48° 29°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Atlantic City in January?

The normal high is 43°F and the normal low 25°F, for a daily mean of 34.1°F. January is 4.6°F cooler than December and 1.9°F cooler than February. January is the 12th warmest month of the year in Atlantic City and the 8th wettest. Across the month the normal high falls 2°F, from 45°F on January 1 to 43°F on January 31. From one year to the next January's mean temperature typically moves about 4.0°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 30°F and 38°F.

Atlantic City in January, day by day: normal high and low

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 35%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 145°F27°F34%22%
January 844°F26°F35%21%
January 1543°F25°F35%21%
January 2243°F25°F35%20%
January 3143°F25°F35%20%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 23)
Atlantic City: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 145°F27°F34%22%9 h 30 min
January 244°F26°F34%22%9 h 30 min
January 344°F26°F34%22%9 h 30 min
January 444°F26°F34%22%9 h 30 min
January 544°F26°F34%22%9 h 30 min
January 644°F26°F34%22%9 h 30 min
January 744°F26°F35%21%9 h 30 min
January 844°F26°F35%21%9 h 30 min
January 943°F26°F35%21%9 h 30 min
January 1043°F25°F35%21%9 h 30 min
January 1143°F25°F35%21%9 h 40 min
January 1243°F25°F35%21%9 h 40 min
January 1343°F25°F35%21%9 h 40 min
January 1443°F25°F35%21%9 h 40 min
January 1543°F25°F35%21%9 h 40 min
January 1643°F25°F35%21%9 h 40 min
January 1743°F25°F35%21%9 h 40 min
January 1843°F25°F35%21%9 h 40 min
January 1943°F25°F35%21%9 h 50 min
January 2043°F25°F35%21%9 h 50 min
January 2143°F25°F35%20%9 h 50 min
January 2243°F25°F35%20%9 h 50 min
January 2343°F25°F35%20%9 h 50 min
January 2443°F25°F35%20%9 h 50 min
January 2543°F25°F35%20%10 h
January 2643°F25°F35%20%10 h
January 2743°F25°F35%20%10 h
January 2843°F25°F35%20%10 h
January 2943°F25°F35%20%10 h
January 3043°F25°F35%20%10 h 10 min
January 3143°F25°F35%20%10 h 10 min
Normal high
43°FJanuary average
Normal low
25°FJanuary average
Precipitation
3.38 inmonth total
Days with precipitation
110.01 inch or more
Snowfall
5.7 inmonth total
Nights at 32°F or colder
24
Daylight
9 h 30 min to 10 h 10 minJanuary 1 to January 31
Sunshine
68%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093730; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Atlantic City in January?

On a given January day the chance of 0.01 inch or more is 35% on average, highest around January 29 (35%). In all, 3.38 in falls on 11 days of a normal January, 1 of them with an inch or more.

In a normal January in Atlantic City, 24 nights fall to freezing, 5 days stay below freezing all day and snowfall averages 5.7 inches.

Snow falls on 3 days in a normal January, and an inch or more covers the ground on 4 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093730.

How humid and windy is Atlantic City in January?

At 3 p.m. the normal temperature is 41°F with 51% relative humidity and a dew point of 24°F; at 6 a.m. it is 29°F with 75% humidity. The wind averages 9.5 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal January day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.29°F22°F75%7.7 mph61%
9 a.m.33°F24°F68%10.2 mph60%
noon40°F24°F53%12.6 mph59%
3 p.m.41°F24°F51%12.7 mph56%
6 p.m.36°F24°F61%8.6 mph64%
9 p.m.33°F23°F68%7.9 mph63%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093730. 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 Atlantic City?

The warmest January temperature on Atlantic City's official record (since 1943) is 78°F, on January 24, 1967; the coldest is −10°F, on January 17, 1977. The wettest January brought 7.71 in (1948); the snowiest, 33.2 inches (2022).

The January mean against the 1991-2020 normal of 34.1°F: 2021 35.2°F (+1.1), 2022 30.1°F (−4.0), 2023 42.5°F (+8.4), 2024 36.4°F (+2.3), 2025 30.6°F (−3.5), 2026 30.8°F (−3.3). 3 of 6 ran warmer than normal.

Atlantic City: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202135.2°F+1.1°F2.57 in
202230.1°F−4.0°F5.23 in
202342.5°F+8.4°F3.74 in
202436.4°F+2.3°F6.64 in
202530.6°F−3.5°F1.07 in
202630.8°F−3.3°F3.78 in

Source: records: ACIS, NWS threaded record ACYthr; recent months: ACIS, station USW00093730. Records and recent months use complete months only.

How does January in Atlantic City compare across New Jersey?

Across the 33 places PlainClimate covers in New Jersey, January normal highs run from 36°F in Andover to 46°F in Belleplain; Atlantic City's is 43°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places