National Weather Service United States Department of Commerce

Heat Continues for the East and South-Central U.S.; Strong to Severe Storms Across the Mid-Atlantic and Northeast

The extremely dangerous heat wave continues across the East Coast and much of the South-Central U.S. today. Record high temperatures are expected for some areas especially across the Mid-Atlantic where extreme heat risk conditions reside. There is a Slight Risk (level 2 of 5) of severe thunderstorms today for the northern Mid-Atlantic into portions of southern New England. Read More >

National Weather Service Philadelphia/Mount Holly Climate Dashboard

Climate data on this page are preliminary (unofficial). Certified (official) climate data are available from the National Center for Environmental Information (NCEI).

 

Climate Graphs Climate Normals Climate Records Top 10 (Day) Top 10 (Month) Top 10 (Year) Top 10 (Holidays) First/Last Dates

 

KTTN - January Normals

Daily Climate Normals for KTTN for the month of January
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
141260.11
240260.1
340260.11
440250.12
540250.11
640250.11
740250.11
840250.11
940250.1
1040250.1
1140240.11
1239240.11
1339240.11
1439240.1
1539240.11
1639240.1
1739240.11
1839240.09
1939240.11
2039240.1
2139240.1
2239240.11
2340240.1
2440240.11
2540240.11
2640240.1
2740240.1
2840240.11
2940240.1
3040240.11
3140240.11
Month39.724.33.29

KTTN - February Normals

Daily Climate Normals for KTTN for the month of February
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
140240.1
241240.1
341240.1
441240.1
541240.09
641250.1
741250.09
841250.09
942250.09
1042250.09
1142250.09
1242250.1
1342260.09
1443260.09
1543260.09
1643260.1
1743260.1
1843260.09
1944270.1
2044270.09
2144270.1
2244270.09
2345270.09
2445280.1
2545280.09
2645280.1
2746280.09
2846290.1
2946290.1
Month42.825.92.65

KTTN - March Normals

Daily Climate Normals for KTTN for the month of March
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
146290.11
246290.12
347290.12
447290.12
547300.12
647300.12
748300.13
848300.13
948310.13
1049310.13
1149310.12
1249320.12
1350320.12
1450320.13
1550320.13
1651330.14
1751330.14
1851330.13
1952340.14
2052340.14
2152340.13
2253340.13
2353350.13
2454350.13
2554350.14
2654360.13
2755360.14
2855360.13
2956370.13
3056370.14
3156370.13
Month50.832.74

KTTN - April Normals

Daily Climate Normals for KTTN for the month of April
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
157370.12
257380.13
358380.12
458380.12
559390.12
659390.11
760390.11
860400.12
960400.13
1061400.12
1161410.12
1262410.13
1362410.12
1463420.12
1563420.11
1663420.12
1764430.12
1864430.12
1965430.12
2065440.13
2165440.12
2266440.13
2366450.12
2466450.12
2567450.12
2667460.13
2767460.12
2868460.12
2968460.12
3068470.12
Month62.942.13.63

KTTN - May Normals

Daily Climate Normals for KTTN for the month of May
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
169470.11
269470.11
369480.12
469480.12
570480.12
670490.12
770490.12
870490.12
971500.12
1071500.12
1171500.12
1271500.12
1372510.13
1472510.12
1572510.12
1672520.12
1773520.12
1873520.13
1973530.13
2073530.14
2174530.13
2274530.15
2374540.14
2474540.15
2575540.14
2675550.14
2775550.14
2875550.14
2976560.14
3076560.15
3176560.14
Month72.451.63.99

KTTN - June Normals

Daily Climate Normals for KTTN for the month of June
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
177570.16
277570.15
377570.15
478570.16
578580.16
678580.16
778580.16
879590.15
979590.15
1079590.15
1180600.15
1280600.15
1380600.15
1481610.16
1581610.15
1681610.15
1782620.15
1882620.14
1982620.13
2083620.14
2183630.13
2283630.13
2383630.13
2484630.13
2584640.14
2684640.13
2784640.13
2885640.13
2985650.14
3085650.14
Month8160.94.35

KTTN - July Normals

Daily Climate Normals for KTTN for the month of July
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
185650.14
285650.13
385650.14
486660.13
586660.12
686660.13
786660.13
886660.13
986660.15
1086670.15
1186670.14
1286670.15
1386670.14
1486670.14
1586670.14
1686670.14
1786670.15
1886670.14
1986670.15
2086670.15
2186670.15
2286670.15
2386670.15
2486670.15
2586670.15
2686670.14
2786670.15
2886670.14
2986670.14
3086670.15
3186670.16
Month8666.64.42

KTTN - August Normals

Daily Climate Normals for KTTN for the month of August
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
186670.16
286670.15
385670.15
485660.16
585660.15
685660.15
785660.14
885660.15
985660.14
1085660.14
1185660.13
1285660.13
1385650.14
1484650.14
1584650.14
1684650.14
1784650.13
1884650.13
1984650.13
2084640.14
2184640.13
2283640.13
2383640.13
2483640.13
2583640.14
2683630.13
2783630.13
2882630.12
2982630.11
3082630.11
3182620.12
Month8464.84.22

KTTN - September Normals

Daily Climate Normals for KTTN for the month of September
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
182620.13
281620.14
381620.13
481610.14
581610.14
680610.12
780610.13
880600.13
980600.13
1079600.13
1179590.13
1279590.12
1378590.13
1478590.13
1578580.14
1677580.15
1777580.14
1877570.14
1976570.14
2076560.14
2175560.14
2275560.13
2375550.13
2474550.14
2574550.13
2673540.14
2773540.14
2873530.14
2972530.14
3072520.14
Month77.157.74.05

KTTN - October Normals

Daily Climate Normals for KTTN for the month of October
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
171520.12
271520.13
371510.13
470510.12
570500.12
669500.13
769500.12
869490.13
968490.12
1068480.12
1167480.13
1267470.12
1367470.11
1466470.13
1566460.13
1665460.13
1765450.12
1865450.13
1964450.13
2064440.12
2164440.13
2263430.13
2363430.13
2463430.12
2562420.12
2662420.11
2761420.11
2861410.12
2961410.11
3060410.11
3160400.11
Month65.545.93.79

KTTN - November Normals

Daily Climate Normals for KTTN for the month of November
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
160400.1
259400.11
359390.1
459390.11
558390.11
658390.1
758380.11
857380.11
957380.11
1057380.11
1156370.1
1256370.1
1355370.1
1455370.09
1555360.1
1654360.1
1754360.1
1854360.11
1953350.1
2053350.1
2153350.1
2252350.11
2352350.11
2452340.1
2551340.12
2651340.11
2750340.12
2850330.12
2950330.12
3049330.12
Month54.536.33.2

KTTN - December Normals

Daily Climate Normals for KTTN for the month of December
DateNormal High (F)Normal Low (F)Normal Precipitation (in.)
149330.13
249330.13
348320.14
448320.14
548320.13
647320.14
747310.13
847310.14
946310.13
1046310.15
1146300.13
1245300.14
1345300.14
1445300.13
1544300.13
1644290.13
1744290.13
1844290.13
1943290.13
2043280.14
2143280.13
2243280.13
2342280.13
2442280.13
2542270.12
2642270.12
2742270.12
2841270.12
2941260.12
3041260.12
3141260.11
Month44.429.34.04