Climateby Month

Newark, NJ weather in January

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

January in Newark: cold, with frequent rain and some snow. Highs 40°F, lows 26°F, about 11 days with rain or snow and about 9.1 in of snow. This is the depth of winter in Newark.

Normal high
40°F
Normal low
26°F
Wet days
11
3.4 in total
Snowfall
9.1 in
snow on the ground 8 days

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high41°F40°F
Normal low28°F25°F
Chance of a wet day35%34%
Sunrise / sunset7:20 am / 4:39 pm7:07 am / 5:12 pm
Daylight9.3 h10.1 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 am30°Fdew point 20°F
  2. 9 am32°Fdew point 21°F
  3. Noon36°Fdew point 21°F
  4. 3 pm38°Fdew point 21°F
  5. 6 pm36°Fdew point 21°F
  6. 9 pm34°Fdew point 21°F

NOAA hourly normals (local standard time) from Newark Intl Airport (4 mi away); average wind 11 mph; clear or few clouds in 53% of daytime hours, mostly cloudy or overcast in 42%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 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 snow11 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below23 of 31
  • Snow on the groundsnow depth 1 in or more8 of 31

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

Rain and snow in January

Normal precipitation is 3.4 in; a dry January brings about 2.5 in and a wet one about 4.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 9.1 in, with about 2 days of an inch or more.

How January varies from year to year

  • Warmest January, 1991-20202006: average high 48°F
  • Coolest January2004: average high 31°F
  • Wettest January1999: 6.9 in
  • Driest January1992: 1.3 in
  • Highest reading72°F (January 6, 2007)
  • Lowest reading-2°F (January 27, 1994)

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 high45°F40°F43°F
Normal low31°F26°F27°F
Wet days111110
Comfortable days111
Daylight9.3 h9.6 h10.7 h

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

Nearby alternatives in January

How Newark ranks in January

  • Normal high255th warmest of 378 cities; 2nd of 3 in New Jersey
  • Wet days248th driest of 378
  • Comfortable days214th most of 339

What to pack for Newark in January

  • A warm jacket – lows near 26°F, highs near 40°F
  • A rain jacket or umbrella – rain or snow on about 11 days
  • Waterproof boots – about 9.1 in of snow in a typical year
  • A hat and gloves – about 23 freezing nights

Heating and cooling

January has 1000 heating degree days and 0 cooling degree days (base 65°F), 17% of the year's total heating and cooling demand.

Questions

How cold is Newark in January?

The normal high is 40°F and the normal low is 26°F. From 1991 to 2020 the coldest January reading was -2°F (most recently on January 27, 1994).

Does it rain a lot in Newark in January?

About 11 days in January have at least 0.01 in of precipitation, and the normal total is 3.4 in. The wettest January in 1991-2020 was in 1999 (6.9 in); the driest was in 1992 (1.3 in).

Does it snow in Newark in January?

Yes. Normal snowfall in January is 9.1 in, and snow covers the ground on about 8 days.

Is January a good time to visit Newark?

January ranks 12th of 12 months on our comfort score for Newark (32 out of 100). It has about 1 comfortable day. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Newark Intl Airport (USW00014734), 3.7 mi S of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
  • Cloud cover: Teterboro Airport (USW00094741), 9.8 mi NE of the city center, 9 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Newark Liberty International Airport (725020-14734), 3.6 mi S of the city center, 7 ft . Hourly observations, 1991-2020.