Best year time to visit Philadelphia

General weather information about Philadelphia

Average annual temperature is 9.1 °C

Absolute maximum temperature: 32.4 °C

Absolute minimum temperature: -33.5 °C

Number of sunny days: 108 days

Number of rainy days: 221 days

Number of snow days: 36 days

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* Weather data for Philadelphia United States is based on climate observations for 2026 year

Philadelphia air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.516.013.629.030.131.432.427.430.629.816.011.4
Average daytime temperature (°C)1.33.04.615.418.824.126.623.723.016.27.05.1
Average temperature (°C)-2.2-3.2-0.18.912.618.221.719.117.512.12.71.6
Average night temperature (°C)-5.6-8.4-4.33.66.813.317.515.313.29.0-0.7-1.2
Absolute minimum temperature (°C)-17.5-33.5-14.7-7.31.17.713.310.86.6-1.3-6.6-10.2

Philadelphia monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.514.815.415.114.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.45.05.68.511.29.811.19.89.54.74.82.6
Precipitation (mm)125929383811361471556712672136
Sunny days5410131785318898
Rainy days151512171422262812231720
Snow days1199000000043

Philadelphia - weather forecast by months

Philadelphia weather in januaryPhiladelphia weather in februaryPhiladelphia weather in marchPhiladelphia weather in aprilPhiladelphia weather in mayPhiladelphia weather in junePhiladelphia weather in julyPhiladelphia weather in augustPhiladelphia weather in septemberPhiladelphia weather in octoberPhiladelphia weather in novemberPhiladelphia weather in december

Best time to visit Philadelphia:

The best time to visit Philadelphia during the most sunny months:

  • May — 11.2(h)
  • June — 9.8(h)
  • July — 11.1(h)
  • August — 9.8(h)
  • September — 9.5(h)

Months with the longest average daylight duration in Philadelphia:

  • June — 15.4(h)

The largest precipitation sum in Philadelphia is at

  • July — 147(mm)
  • August — 155(mm)

    • Weather forecast in the closest to Philadelphia admin centers

    Weather forecast in the closest towns to Philadelphia

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    Frequently asked questions

    When is the best time to visit Philadelphia?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Philadelphia.
    What is the weather like in Philadelphia?
    See average temperature, rainfall and daylight hours for Philadelphia by month in the table above.
    How many sunny days does Philadelphia have?
    The monthly weather statistics above show sunshine and rainfall patterns for Philadelphia throughout the year.