Earliest and Latest Days of 100° F in Selinsgrove

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Selinsgrove, Pennsylvania history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 100 degree day in Selinsgrove?

The earliest in the year that Selinsgrove, Pennsylvania had a high temperature of at least 100 °F is June 26 which happened in 1952.

Latest 100 degree day in Selinsgrove?

The latest in the year that Selinsgrove, Pennsylvania had a high temperature of at least 100 °F is September 3 which happened in 1953.

Earliest Days ≥ 100 °F

Date	Year	Temperature
June 26	1952	102 °F
June 29	1934	100 °F
July 1	1931	101 °F
July 1	1901	100 °F
July 2	1911	100 °F
July 3	1911	102 °F
July 3	1898	100 °F
July 4	1911	105 °F
July 5	1919	100 °F
July 6	1911	102 °F
July 7	2010	100 °F
July 8	2012	101 °F
July 9	1988	100 °F
July 9	1936	102 °F
July 10	1936	102 °F
July 10	1911	100 °F
July 11	1988	100 °F
July 14	1936	101 °F
July 16	1900	101 °F
July 17	1988	105 °F
July 17	1900	101 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 3	1953	102 °F
September 2	1953	102 °F
September 1	1932	100 °F
August 31	1953	100 °F
August 30	1953	100 °F
August 22	1916	100 °F
August 18	1913	102 °F
August 10	2001	100 °F
August 10	1900	100 °F
August 8	1930	100 °F
August 7	1918	102 °F
August 6	1918	102 °F
August 5	1955	100 °F
August 5	1930	101 °F
August 4	1930	105 °F
August 3	2002	100 °F
August 3	1930	102 °F
July 24	1991	100 °F
July 23	2011	103 °F
July 22	1926	100 °F