Tuesday, January 1, 2013

Philadelphia Climate





Records and Averages from the National Weather Service

PhiladelphiaAllentownAtlantic CityMount Pocono
ReadingTrentonWilmingtonWashington, DC
BaltimoreNew York City

Philadelphia's Daily Temperature, Precipitation, and Snowfall By Year


187418751876187718781879
188018811882188318841885
188618871888188918901891
189218931894189518961897
189818991900190119021903
190419051906190719081909
191019111912191319141915
191619171918191919201921
192219231924192519261927
192819291930193119321933
193419351936193719381939
194019411942194319441945
194619471948194919501951
195219531954195519561957
195819591960196119621963
196419651966196719681969
197019711972197319741975
197619771978197919801981
198219831984198519861987
198819891990199119921993
199419951996199719981999
200020012002200320042005
200620072008200920102011
20122013

Data also available by sortable spreadsheet (this will be updated every few months).


Philadelphia Monthly Climate Data By Year (Modern Era)

Philadelphia Pre-Modern Monthly Climate Data

Temperature (1825-1869) | Precipitation (1829-1869)


Climate Firsts, Lasts, and Dates of Note

100 Degree
Highs
Below Zero
Lows
Greatest
One-Day Snow
Greatest
One-Day Rain
Largest One-Day
Temp. Swing
90 Degree Days
By Year
Ten Earliest
90 Degree Days

Latest
90 Degree Days
October SnowfallApril SnowfallWinter NAO
Temp-Snow Stats
Christmas Weather

Winter Data:





Sundry Miscellaneous Data:


Resources used for climate section.

  • Climate Information from NWS Philadelphia--daily temperature, precip, and snowfall data from 1997 to present.
  • Weather Underground provides hourly weather information for Philadelphia International going back into the 1950's. Click on the link, scroll down to 'detailed history and climate', select your date, and hit 'go.' For other locations, click on the link and then select your zip code at the top before scrolling down.
  • The Franklin Institute has weather data from 1872 to 2001, including weather by day, annual snowfall, and temperature information.
  • Additional thanks to the staff of the National Weather Service in Mount Holly for providing the historical monthly data and to Andy Rice for his efforts in databasing the daily data.