Record Hottest and Coldest Weather Temperatures Ever Recorded in Allentown, Pennsylvania

Weather temperatures have been officially kept in Allentown, Pennsylvania since 1922. These are the all-time record hottest and coldest temperatures ever recorded in Allentown since 1922.

Located in the Lehigh Valley in eastern Pennsylvania, the city of Allentown has a milder climate than the extremes found in the Keystone State. This is born out by the differences between the all-time hottest and coldest temperatures ever recorded in Allentown, compared to the all-time hottest and coldest temperatures recorded in Pennsylvania.

The difference between the all-time hottest and coldest temperatures ever recorded in Allentown is 120 degrees. The difference between the all-time hottest and coldest temperatures ever recorded in the state of Pennsylvania is 153 degrees; a difference of 33 degrees.

Record Hottest and Coldest Temperatures Ever Recorded in Allentown, Pennsylvania

All-time Record Hottest Temperature Ever Recorded in Allentown is 105 Degrees

The hottest weather temperature ever officially recorded in the city of Allentown is 105 degrees, which occurred July 3, 1966.

Days when the temperature reaches or exceeds 100 degrees are pretty rare in Allentown, as the city has only cracked the century mark around 20 times since 1922. Allentown only averages 16 days a year when the temperature climbs to 90 degrees or above.

I live in New Jersey, a little east of Allentown and the Lehigh Valley, which has a metro area population of well over 800,000 people. Allentown and the Lehigh Valley have seen rapid population growth over the last decade or so, as many people have moved across the border into Pennsylvania to get away from the highest property taxes in the nation in New Jersey.

There's also plenty to do and see in Allentown and the Lehigh Valley, including many bargain shopping outlets, two great colleges in Lehigh and Lafayette, and great visitor attractions like the Crayola Factory and Delaware River cruises in Easton. The city of Bethlehem really lights itself up at Christmas time.

Allentown itself was made famous by the Billy Joel song of the same name, which was spoofed by Ed Helms in "The Hangover Part II" movie.

As a bit of weather trivia some might find hard to believe, the record hottest temperature in Allentown of 105 degrees is five degrees hotter than the all-time hottest temperature ever recorded in Miami, Florida. Allentown is over 1,200 miles north of Miami.

• Hottest Temperature Ever Recorded in Pennsylvania is 111 Degrees 

The all-time record hottest weather temperature ever recorded in the state of Pennsylvania is 111 degrees, which occurred on July 10, 1936, in Phoenixville, which is located about 50 miles south of Allentown.

The difference between the all-time hottest temperature ever recorded in Allentown (105) and the all-time hottest temperature ever recorded in the state of Massachusetts (111) is six degrees. A decent sized statistical difference.

All-time Record Coldest Temperature Ever Recorded in Allentown is -15 Degrees

The coldest temperature ever officially recorded in Allentown is -15 degrees, which occurred on January 21, 1994.

Allentown can get pretty cold in the winter, as the city has had nine days since 1922 when the temperature dropped to -10 degrees or below. Allentown averages 123 days a year when the temperature drops below the freezing mark.

• Coldest Temperature Ever Recorded in Pennsylvania is -42 Degrees 

The coldest weather temperature ever officially recorded in the state of Pennsylvania is -42 degrees, which occurred on January 5, 1904, in Smethport, which is located about 200 miles northwest of Allentown.

The difference between the all-time coldest temperature ever recorded in Allentown (-15) and the all-time coldest temperature ever recorded in the state of Pennsylvania (-42) is 27 degrees. A big statistical difference.

Overall, the city of Allentown has a milder climate than the extremes found in the state of Pennsylvania.