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

Newark in January has a normal high of 40°F and a normal low of 26°F, a daily mean of 33°F, holding near 40°F all month. Measurable precipitation falls on 11 days in a normal January, 3.42 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 4°C and low of −4°C, 87 mm of precipitation and 23 cm of snow in January.

  • NOAA stationNewark Liberty International Airport
  • Station IDUSW00014734
  • Location40.68°N 74.17°W
  • Elevation7 ft (2 m)
  • From the center3 miles
  • Population317,303
  1. Jan 40° 26°
  2. Feb 43° 27°
  3. Mar 51° 34°
  4. Apr 63° 44°
  5. May 73° 54°
  6. Jun 82° 64°
  7. Jul 87° 69°
  8. Aug 85° 68°
  9. Sep 78° 61°
  10. Oct 66° 49°
  11. Nov 55° 39°
  12. Dec 45° 31°

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

How warm is Newark in January?

The normal high is 40°F and the normal low 26°F, for a daily mean of 32.8°F. January is 5.2°F cooler than December and 2.3°F cooler than February. January is the 12th warmest month of the year in Newark and the 10th wettest. Across the month the normal high falls 1°F, from 41°F on January 1 to 40°F on January 31. From one year to the next January's mean temperature typically moves about 4.5°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 28°F and 37°F.

Newark 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 141°F28°F35%22%
January 840°F26°F35%21%
January 1540°F25°F35%20%
January 2240°F25°F34%20%
January 3140°F25°F34%19%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 22)
Newark: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 141°F28°F35%22%9 h 20 min
January 241°F27°F35%22%9 h 20 min
January 341°F27°F35%21%9 h 20 min
January 441°F27°F35%21%9 h 20 min
January 541°F27°F35%21%9 h 20 min
January 640°F27°F35%21%9 h 20 min
January 740°F26°F35%21%9 h 20 min
January 840°F26°F35%21%9 h 20 min
January 940°F26°F35%21%9 h 30 min
January 1040°F26°F35%21%9 h 30 min
January 1140°F26°F35%21%9 h 30 min
January 1240°F26°F35%21%9 h 30 min
January 1340°F25°F35%20%9 h 30 min
January 1440°F25°F35%20%9 h 30 min
January 1540°F25°F35%20%9 h 30 min
January 1640°F25°F35%20%9 h 40 min
January 1740°F25°F34%20%9 h 40 min
January 1840°F25°F34%20%9 h 40 min
January 1940°F25°F34%20%9 h 40 min
January 2040°F25°F34%20%9 h 40 min
January 2140°F25°F34%20%9 h 40 min
January 2240°F25°F34%20%9 h 50 min
January 2340°F25°F34%20%9 h 50 min
January 2440°F25°F34%20%9 h 50 min
January 2540°F25°F34%19%9 h 50 min
January 2640°F25°F34%19%9 h 50 min
January 2740°F25°F34%19%9 h 50 min
January 2840°F25°F34%19%10 h
January 2940°F25°F34%19%10 h
January 3040°F25°F34%19%10 h
January 3140°F25°F34%19%10 h
Normal high
40°FJanuary average
Normal low
26°FJanuary average
Precipitation
3.42 inmonth total
Days with precipitation
110.01 inch or more
Snowfall
9.1 inmonth total
Nights at 32°F or colder
23
Daylight
9 h 20 min to 10 hJanuary 1 to January 31
Sunshine
68%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014734; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Newark in January?

On a given January day the chance of 0.01 inch or more is 34% on average, highest around January 1 (35%). In all, 3.42 in falls on 11 days of a normal January, 1 of them with an inch or more.

In a normal January in Newark, 23 nights fall to freezing, 7 days stay below freezing all day and snowfall averages 9.1 inches.

Snow falls on 5 days in a normal January, and an inch or more covers the ground on 8 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014734.

How humid and windy is Newark in January?

At 3 p.m. the normal temperature is 39°F with 46% relative humidity and a dew point of 20°F; at 6 a.m. it is 29°F with 66% humidity. The wind averages 10.5 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°F19°F66%9.1 mph36%
9 a.m.31°F20°F62%10.6 mph27%
noon37°F20°F50%12.1 mph27%
3 p.m.39°F20°F46%12.6 mph23%
6 p.m.36°F20°F51%10.8 mph32%
9 p.m.34°F20°F56%10.2 mph36%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014734. 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 Newark?

The warmest January temperature on Newark's official record (since 1843) is 74°F, on January 26, 1950; the coldest is −13°F, on January 11, 1859. The wettest January brought 10.10 in (1979); the snowiest, 37.4 inches (2011).

The January mean against the 1991-2020 normal of 32.8°F: 2021 34.5°F (+1.7), 2022 28.6°F (−4.2), 2023 44.0°F (+11.2), 2024 37.3°F (+4.5), 2025 31.4°F (−1.4), 2026 30.1°F (−2.7). 3 of 6 ran warmer than normal.

Newark: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202134.5°F+1.7°F2.50 in
202228.6°F−4.2°F4.06 in
202344.0°F+11.2°F4.31 in
202437.3°F+4.5°F5.52 in
202531.4°F−1.4°F0.47 in
202630.1°F−2.7°F2.28 in

Source: records: ACIS, NWS threaded record EWRthr; recent months: ACIS, station USW00014734. Records and recent months use complete months only.

How does January in Newark 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; Newark's is 40°F.

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

Other months and places