ClimateAverages

Philadelphia Weather in January

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
23°C
Light rain · feels like 26°C
Humidity
87%
Wind
9 kph SSW
UV
0.4
Rain
0%
Updated Jul 9, 07:45 AMWeather data by WeatherAPI.com
January daytime high
4.5°C
January overnight low
-5.1°C
January average
-0.4°C

In January, Philadelphia typically sees daytime highs of 4.5°C and overnight lows around -5.1°C. Compared to the annual average high of 17.9°C, January runs -13.4°C.

vs. annual avg high
-13.4°C
Rank among 12 months
#12 warmest
Hottest year overall
2011

Where January ranks in Philadelphia

Jan4°FebMarAprMayJunJulAugSepOctNovDec

FAQ

What is the average temperature in Philadelphia in January?

January in Philadelphia averages a daytime high of 4.5°C and an overnight low of -5.1°C.

Is January warm or cold in Philadelphia?

January runs -13.4°C compared to Philadelphia's annual average high of 17.9°C, ranking #12 of 12 months by warmth.

What should I pack for Philadelphia in January?

Plan for daytime highs near 4.5°C and cooler evenings around -5.1°C.

Other months for Philadelphia

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

January in nearby cities

PittsburghAllentownErieReadingScrantonBethlehemLancasterLevittown