All-time weather records — Cottage Grove, OR

Record high
105.1°F
June 28, 2021
Record low
-5.1°F
December 8, 1972
Wettest day
4.80 in
November 22, 1961

Climate change signal in Cottage Grove

11.7%

of Cottage Grove's all-time daily heat records were set in the last decade (43 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 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 #
1910s
6
34
1920s
42
56
1930s
36
29
1940s
36
12
1950s
28
42
1960s
27
34
1970s
23
58
1980s
41
71
1990s
41
11
2000s
34
6
2010s
27
8
2020s
25
5

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 1917, the latest in 2025. Period of observation: 1916-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 71.1°F — Jan 18, 2018 -2.0°F — Jan 26, 1957 4.22 in — Jan 2, 1933
February 75.9°F — Feb 26, 1932 0.0°F — Feb 3, 1950 4.57 in — Feb 10, 1961
March 87.1°F — Mar 23, 1926 14.0°F — Mar 6, 1956 2.15 in — Mar 18, 1932
April 87.1°F — Apr 16, 1999 21.0°F — Apr 13, 1968 2.33 in — Apr 13, 1937
May 98.1°F — May 18, 2008 23.0°F — May 1, 1954 2.20 in — May 1, 1949
June 105.1°F — Jun 28, 2021 28.9°F — Jun 13, 1976 1.55 in — Jun 25, 1942
July 105.1°F — Jul 10, 1926 34.0°F — Jul 2, 1979 1.84 in — Jul 18, 1987
August 105.1°F — Aug 8, 1978 32.0°F — Aug 20, 1988 1.44 in — Aug 24, 1977
September 105.1°F — Sep 5, 1944 24.1°F — Sep 25, 1926 1.86 in — Sep 29, 2013
October 96.1°F — Oct 1, 1987 17.1°F — Oct 31, 2002 3.00 in — Oct 25, 1956
November 77.0°F — Nov 5, 2016 9.0°F — Nov 30, 1985 4.80 in — Nov 22, 1961
December 73.0°F — Dec 17, 1926 -5.1°F — Dec 8, 1972 4.19 in — Dec 28, 1945

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