Earliest and Latest Days of 100° F in Oroville

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

Also see:

Earliest 100 degree day in Oroville?

The earliest in the year that Oroville, California had a high temperature of at least 100 °F is May 7 which happened in 1987.

Latest 100 degree day in Oroville?

The latest in the year that Oroville, California had a high temperature of at least 100 °F is October 19 which happened in 2023.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 7	1987	100 °F
May 10	1934	100 °F
May 12	1987	101 °F
May 13	1927	100 °F
May 14	1927	103 °F
May 15	1927	103 °F
May 16	2008	103 °F
May 17	2008	101 °F
May 17	1970	100 °F
May 18	2008	101 °F
May 18	1997	100 °F
May 19	2009	100 °F
May 19	1947	100 °F
May 20	1947	102 °F
May 20	1897	100 °F
May 21	2001	100 °F
May 21	1947	105 °F
May 22	2001	102 °F
May 22	2000	100 °F
May 22	1947	104 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
October 19	2023	100 °F
October 7	1956	100 °F
October 7	1917	103 °F
October 6	1933	101 °F
October 6	1917	100 °F
October 5	1947	100 °F
October 5	1933	104 °F
October 4	1952	100 °F
October 4	1933	101 °F
October 4	1917	101 °F
October 3	2001	102 °F
October 3	1952	100 °F
October 3	1933	105 °F
October 3	1917	101 °F
October 2	2001	102 °F
October 2	1963	100 °F
October 2	1952	100 °F
October 2	1917	102 °F
October 1	2001	100 °F
October 1	1958	100 °F
October 1	1933	100 °F