Climate in Pennsylvania
(United States)
Average daytime and nighttime temperatures
All climatic diagrams on this site result from the collected data from 11 measuring stations in Pennsylvania.
All data correspond to the average monthly values of the last 20 years.
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Pennsylvania is one of the coldest regions in the United States with an average daily high temperature of only 17 degrees centigrade. The climate is very changeable and offers varied seasons with deep winters and warm summers.
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› Duration of daylight and sunshine in the United States
› Overview: Climate in the United States
› Duration of daylight and sunshine in the United States
hours of sunshine per day
rainy days per month
Precipitation in mm/day
Relative humidity in %
Absolute humidity in g/m³ (approx.)
Climate charts for other states in the United States
Most important cities in the state »Pennsylvania«
The state has a west-east extension of about 480 km and over 270 km from north to south.| City | Population | Geo-Position | |
|---|---|---|---|
| Philadelphia | 1,576,596 | 39°57'8"N | 75°9'50"W |
| Pittsburgh | 301,048 | 40°26'26"N | 79°59'45"W |
| Allentown | 120,443 | 40°36'30"N | 75°29'25"W |
| Erie | 101,047 | 42°7'45"N | 80°5'6"W |
| Reading | 88,082 | 40°20'8"N | 75°55'37"W |
| Scranton | 76,089 | 41°24'33"N | 75°39'54"W |
| Bethlehem | 74,982 | 40°37'33"N | 75°22'14"W |
| Lancaster | 59,322 | 40°2'16"N | 76°18'20"W |
| Levittown | 52,983 | 40°9'18"N | 74°49'44"W |
| Harrisburg | 49,528 | 40°16'25"N | 76°53'4"W |
| Altoona | 46,320 | 40°31'7"N | 78°23'41"W |
| York | 43,718 | 39°57'45"N | 76°43'40"W |
| State College | 42,034 | 40°47'36"N | 77°51'36"W |
| Wilkes-Barre | 41,498 | 41°14'45"N | 75°52'53"W |
| Norristown | 34,324 | 40°7'17"N | 75°20'24"W |
| Chester | 33,972 | 39°50'59"N | 75°21'25"W |
| Mount Lebanon | 32,730 | 40°21'19"N | 80°2'58"W |
| Bethel Park | 32,313 | 40°19'39"N | 80°2'22"W |
| Wayne | 30,892 | 40°2'38"N | 75°23'16"W |
| Radnor | 30,878 | 40°2'46"N | 75°21'36"W |
| Williamsport | 29,381 | 41°14'28"N | 77°0'4"W |
| Monroeville | 28,386 | 40°25'16"N | 79°47'17"W |
| Cranberry Township | 28,098 | 40°41'6"N | 80°6'26"W |
| Drexel Hill | 28,043 | 39°56'49"N | 75°17'32"W |
| Plum | 27,126 | 40°30'1"N | 79°44'58"W |
| Back Mountain | 26,973 | 41°20'9"N | 75°59'47"W |
| Easton | 26,800 | 40°41'18"N | 75°13'15"W |
| Lebanon | 25,477 | 40°20'27"N | 76°24'41"W |
| Hazleton | 25,340 | 40°57'30"N | 75°58'29"W |
| Whitehall Township | 24,896 | 40°40'0"N | 75°29'60"W |
Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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