All-time weather records — Ione, OR

Record high
109.9°F
August 10, 1898
Record low
-50.1°F
July 9, 1960
Wettest day
2.75 in
October 15, 1905

Climate change signal in Ione

7.7%

of Ione's all-time daily heat records were set in the last decade (28 of 366 records since 2015).

3%

of all-time daily cold records were set in the last decade (11 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1890s
17
21
1900s
27
39
1910s
29
41
1920s
26
28
1930s
41
36
1940s
18
22
1950s
25
38
1960s
29
42
1970s
40
29
1980s
31
30
1990s
28
16
2000s
24
9
2010s
12
9
2020s
19
6

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1894, the latest in 2025. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 7, 1937 -18.9°F — Jan 10, 1909 1.50 in — Jan 27, 2024
February 75.0°F — Feb 21, 1995 -18.0°F — Feb 2, 1950 0.91 in — Feb 9, 1942
March 81.0°F — Mar 27, 2025 3.0°F — Mar 13, 1906 1.03 in — Mar 4, 1983
April 91.9°F — Apr 25, 1910 15.1°F — Apr 19, 1987 1.91 in — Apr 22, 1988
May 100.0°F — May 30, 1903 25.0°F — May 1, 1954 2.01 in — May 15, 2011
June 109.0°F — Jun 30, 2021 30.9°F — Jun 8, 2002 1.69 in — Jun 4, 1997
July 108.0°F — Jul 25, 1928 -50.1°F — Jul 9, 1960 1.90 in — Jul 9, 1918
August 109.9°F — Aug 10, 1898 35.1°F — Aug 24, 1910 1.34 in — Aug 19, 1918
September 99.0°F — Sep 6, 1955 15.1°F — Sep 22, 1894 1.39 in — Sep 4, 1899
October 91.9°F — Oct 5, 1980 10.0°F — Oct 30, 1935 2.75 in — Oct 15, 1905
November 84.0°F — Nov 12, 1989 -9.0°F — Nov 23, 1985 1.70 in — Nov 19, 1996
December 75.0°F — Dec 5, 1939 -18.0°F — Dec 12, 1919 1.20 in — Dec 19, 1895

Click a month to see every daily record for that month in Ione.