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Atlantic City, NJ vs Philadelphia, PA weather comparison

Atlantic City

NJ

Philadelphia endures about 29 more days above 90 °F each year.

The year at a glance

Averages from 30 years of climate history, 1991-2020

Annual weather statistics for Atlantic City, NJ and Philadelphia, PA
Atlantic CityMetricPhiladelphia
207 daysSunny daysclear or partly cloudy skies203 days
42 inPrecipitationper year43 in
113 daysWet daysrain or snow per year120 days
17 inSnowfallper year18 in
8 daysHot daysabove 90 °F36 days
55 daysFreezing nightsat or below 32 °F76 days
72%Humidityaverage relative68%
56 °FAverage temperatureyear round57 °F

Monthly temperatures

Average daily high and low for each month, in °F. The gap between the two lines is what an ordinary day feels like across the year.

Atlantic CityPhiladelphia

Daily highs

406080JanMarMayJulSepNovAtlantic City, Jan: 42 °FAtlantic City, Feb: 43 °FAtlantic City, Mar: 49 °FAtlantic City, Apr: 58 °FAtlantic City, May: 66 °FAtlantic City, Jun: 76 °FAtlantic City, Jul: 81 °FAtlantic City, Aug: 80 °FAtlantic City, Sep: 75 °FAtlantic City, Oct: 65 °FAtlantic City, Nov: 55 °FAtlantic City, Dec: 47 °FPhiladelphia, Jan: 41 °FPhiladelphia, Feb: 44 °FPhiladelphia, Mar: 53 °FPhiladelphia, Apr: 65 °FPhiladelphia, May: 75 °FPhiladelphia, Jun: 84 °FPhiladelphia, Jul: 89 °FPhiladelphia, Aug: 86 °FPhiladelphia, Sep: 80 °FPhiladelphia, Oct: 67 °FPhiladelphia, Nov: 56 °FPhiladelphia, Dec: 46 °F

Daily lows

4060JanMarMayJulSepNovAtlantic City, Jan: 30 °FAtlantic City, Feb: 31 °FAtlantic City, Mar: 37 °FAtlantic City, Apr: 46 °FAtlantic City, May: 55 °FAtlantic City, Jun: 65 °FAtlantic City, Jul: 71 °FAtlantic City, Aug: 70 °FAtlantic City, Sep: 64 °FAtlantic City, Oct: 53 °FAtlantic City, Nov: 43 °FAtlantic City, Dec: 35 °FPhiladelphia, Jan: 27 °FPhiladelphia, Feb: 29 °FPhiladelphia, Mar: 35 °FPhiladelphia, Apr: 45 °FPhiladelphia, May: 55 °FPhiladelphia, Jun: 65 °FPhiladelphia, Jul: 70 °FPhiladelphia, Aug: 68 °FPhiladelphia, Sep: 61 °FPhiladelphia, Oct: 50 °FPhiladelphia, Nov: 40 °FPhiladelphia, Dec: 32 °F
View monthly temperatures as a table
Monthly temperatures (°F)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Atlantic City high424349586676818075655547
Philadelphia high414453657584898680675646
Atlantic City low303137465565717064534335
Philadelphia low272935455565706861504032

Monthly precipitation

Total rain plus melted snow for each month, in inches. Taller bars mean wetter months.

Atlantic CityPhiladelphia
0.02.04.0JanMarMayJulSepNovAtlantic City, Jan: 3.2 inAtlantic City, Feb: 3.2 inAtlantic City, Mar: 4.1 inAtlantic City, Apr: 3.3 inAtlantic City, May: 3.1 inAtlantic City, Jun: 3.3 inAtlantic City, Jul: 3.3 inAtlantic City, Aug: 4.3 inAtlantic City, Sep: 3.7 inAtlantic City, Oct: 3.9 inAtlantic City, Nov: 3.0 inAtlantic City, Dec: 3.9 inPhiladelphia, Jan: 3.2 inPhiladelphia, Feb: 3.0 inPhiladelphia, Mar: 4.1 inPhiladelphia, Apr: 3.6 inPhiladelphia, May: 3.5 inPhiladelphia, Jun: 3.8 inPhiladelphia, Jul: 3.9 inPhiladelphia, Aug: 3.7 inPhiladelphia, Sep: 4.1 inPhiladelphia, Oct: 3.6 inPhiladelphia, Nov: 2.9 inPhiladelphia, Dec: 4.0 in
View monthly precipitation as a table
Monthly precipitation (inches)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Atlantic City3.23.24.13.33.13.33.34.33.73.93.03.9
Philadelphia3.23.04.13.63.53.83.93.74.13.62.94.0

Monthly sunny days

Days each month with clear or partly cloudy skies, so compare the same month between cities.

Atlantic CityPhiladelphia
01020JanMarMayJulSepNovAtlantic City, Jan: 17 daysAtlantic City, Feb: 16 daysAtlantic City, Mar: 16 daysAtlantic City, Apr: 16 daysAtlantic City, May: 16 daysAtlantic City, Jun: 17 daysAtlantic City, Jul: 18 daysAtlantic City, Aug: 20 daysAtlantic City, Sep: 18 daysAtlantic City, Oct: 19 daysAtlantic City, Nov: 18 daysAtlantic City, Dec: 17 daysPhiladelphia, Jan: 16 daysPhiladelphia, Feb: 16 daysPhiladelphia, Mar: 16 daysPhiladelphia, Apr: 15 daysPhiladelphia, May: 16 daysPhiladelphia, Jun: 16 daysPhiladelphia, Jul: 18 daysPhiladelphia, Aug: 19 daysPhiladelphia, Sep: 18 daysPhiladelphia, Oct: 19 daysPhiladelphia, Nov: 17 daysPhiladelphia, Dec: 16 days
View monthly sunny days as a table
Monthly sunny days (days)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Atlantic City171616161617182018191817
Philadelphia161616151616181918191716

Keep comparing

Nearby cities and popular picks for each side of this matchup. Any two cities can be compared from the home page.

About this data

Every figure on this page is a 30 year average computed from daily climate history for 1991-2020, using each city's own coordinates. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.

Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).