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Mid-winter · Weather & things to do

Philadelphia in January

This is the coldest month in Philadelphia: highs average 38°F (4°C) and lows 23°F (-5°C), with about 3.1 in (78 mm) of rain or snow.

With a comfort score of 45/100 (12th of 12), it's one of the toughest months, held back mainly by cool days.

Philadelphia, Pennsylvania, United States
Avg high
38°F (4°C)
Avg low
23°F (-5°C)
Rain or snow
3.1 in (78 mm)
Humidity
84%
Cloud cover
62%
Daylight
~9 h 28 min
Comfort score
45/100 · Fair

What January feels like

Highs only reach about 38°F (4°C), so plan short stints outside between indoor stops.

Nights drop below freezing, with an average low of 23°F (-5°C), so expect frost and ice.

About 3.1 in (78 mm) of rain or snow falls in the month, and with temperatures averaging below freezing, much of it may come as snow.

Only about 9 h 28 min of daylight means early sunsets.

Philadelphia: January compared with the months either side
DecemberJanuaryFebruary
Avg high44°F7°C38°F4°C41°F5°C
Avg low28°F-2°C23°F-5°C24°F-4°C
Rain/snow4.4 in111 mm3.1 in78 mm3.1 in78 mm
Daylight9 h 11 min9 h 28 min10 h 29 min
Comfort464547

Plan around January

January is one of the lower-scoring months here; the best are April & May and September & October.

What to pack for January

What to do in Philadelphia in January

With highs near 38°F, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.

Nearby in January

These averages also cover Broad Street & South Philly and Center City & Penn's Landing.

NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.

Philadelphia in January: quick answers

Is January a good time to visit Philadelphia?

It's one of the tougher months here, scoring 45/100, held back mainly by cool days. The best months are April & May and September & October. Expect highs of 38°F (4°C) and 3.1 in (78 mm) of rain or snow. Our Capital Cities Corridor route recommends Mar – Jun, so January is outside its suggested window.

How cold is Philadelphia in January?

Average highs are 38°F (4°C) and average lows 23°F (-5°C), making it the coldest month by daytime highs, with nights below freezing on average.

Does it snow a lot in Philadelphia in January?

Some: about 3.1 in (78 mm) of rain or snow falls across January on average, the 2nd-driest month of the year. With temperatures this low, much of it may fall as snow. The annual total is about 48.3 in (1228 mm).

What should I pack for Philadelphia in January?

Bring hat, gloves and thermal base layers (lows around 23°F), insulated, waterproof boots (snow is likely on some days), waterproof outer layer (about 3.1 in of rain or snow) and comfortable walking shoes (most places below are best reached on foot or with short walks).

Planning Philadelphia in January?

Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.

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