Philadelphia weather in January

January in Philadelphia averages 41°F by day and 26°F at night, with 3.1 inches of precipitation and 7.1 inches of snow. It is the 12th-warmest and 10th-wettest month of the year here.

PhiladelphiaPennsylvaniaPop. 1,574,281
Average high
41°F-5° vs December
Average low
26°F23 nights below freezing
Precipitation
3.1 in6 days with 0.1 in. or more
Snow
7.1 in0 days at 90°F+

Is January a good time to visit Philadelphia?

January is cold, with highs around 41°F. The most comfortable months overall are April to June and August to October.

On January 15 the sun rises at 7:20 am and sets at 4:59 pm, giving 9h 39m of daylight. Daylight all year.

What to pack for Philadelphia in January

  • A winter coat, hat, gloves and warm layers
  • Expect nights below freezing
  • Waterproof boots for snow

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

January nearby

CityDistanceHighLowPrecip.
Philadelphia41°F26°F3.1 in
Wilmington, DE28 mi41°F26°F3.2 in
Trenton, NJ30 mi40°F24°F3.3 in
Allentown, PA45 mi38°F22°F3.3 in
Bethlehem, PA47 mi38°F22°F3.3 in
Reading, PA48 mi39°F23°F3.0 in
Elizabeth, NJ68 mi40°F26°F3.4 in

Warmer places in January

Big cities with comfortable January highs between 68°F and 86°F:

Frequently asked questions

What is the weather like in Philadelphia in January?

In January, Philadelphia averages a high of 41°F and a low of 26°F, with 3.1 inches of precipitation and 7.1 inches of snow (NOAA 1991-2020 normals).

Is January a good time to visit Philadelphia?

January is cool to cold in Philadelphia, with average highs of 41°F. Pack warm layers.

Does it snow in Philadelphia in January?

Yes. January averages 7.1 inches of snow.

Before and after: Philadelphia in December and Philadelphia in February. All twelve months: Philadelphia weather by month.

NOAA NCEI 1991-2020 climate normals, station Philadelphia Intl. Airport, PA, 10.3 miles from the city center.