Weather Guide

Philadelphia, Pennsylvania, United States Average Monthly Weather

Weather score49Mixed annual avg

Best months: August, July, June

Across the year, average daytime temperatures are around 18°C, sunshine averages 6.7h per day, and rainfall totals about 1096mm.

Philadelphia, Pennsylvania, United States, United States travel weather guide
Photo by ActionVance on Unsplash

Annual weather

Annual averages

Temp

18°C

Rain

1096mm

Annual total

Sun

6.7h

Weather score

49

Mixed avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 29°C, giving warm days by monthly-average standards.

Showers

Rainfall averages 102mm, so some wet days are possible.

Bright

Sunshine averages 8.3h per day, so bright days are a strong part of the month.

Map

Weather map

Compare Philadelphia, Pennsylvania, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

View on map

August29°C average high

August is one of Philadelphia's warmest months, with daytime heat above the yearly average.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

August102mm average rain

August is wetter than Philadelphia's yearly average, so flexible plans matter more.

Driest monthsJanuary to June and August to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

August8.3 hours average sun

August is brighter than Philadelphia's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsJune to August

This stretch has the strongest sunshine in the monthly averages.

Weather score

View on map

August79 weather score

August is one of Philadelphia's best weather-score months, combining the strongest overall balance in the yearly averages.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.

Hotels in Philadelphia, Pennsylvania, United States