All-time weather records — Merrill, OR

Record high
102.9°F
June 28, 2021
Record low
-27.9°F
January 22, 1962
Wettest day
2.02 in
October 10, 1962

Climate change signal in Merrill

25.1%

of Merrill's all-time daily heat records were set in the last decade (92 of 366 records since 2015).

7.7%

of all-time daily cold records were set in the last decade (28 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 #
1930s
72
90
1940s
12
8
1950s
25
75
1960s
42
43
1970s
25
41
1980s
39
25
1990s
16
27
2000s
29
13
2010s
59
29
2020s
47
15

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 1932, the latest in 2026. Period of observation: 1932-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 29, 2024 -27.9°F — Jan 22, 1962 1.20 in — Jan 11, 2000
February 70.0°F — Feb 18, 1935 -24.0°F — Feb 6, 1989 1.58 in — Feb 4, 2025
March 79.0°F — Mar 17, 2026 -2.0°F — Mar 8, 1974 1.50 in — Mar 23, 1948
April 84.0°F — Apr 30, 1981 6.1°F — Apr 10, 1971 1.03 in — Apr 28, 2005
May 95.0°F — May 30, 1986 16.0°F — May 1, 2008 1.30 in — May 26, 2018
June 102.9°F — Jun 28, 2021 23.0°F — Jun 4, 1962 1.59 in — Jun 2, 1948
July 102.0°F — Jul 29, 2022 28.9°F — Jul 3, 1966 1.05 in — Jul 17, 1987
August 102.0°F — Aug 7, 1972 24.1°F — Aug 29, 1954 1.37 in — Aug 15, 1993
September 102.0°F — Sep 5, 2017 17.1°F — Sep 14, 1970 1.31 in — Sep 17, 1948
October 90.0°F — Oct 3, 1933 7.0°F — Oct 21, 1933 2.02 in — Oct 10, 1962
November 75.0°F — Nov 18, 1936 -9.9°F — Nov 15, 1955 1.40 in — Nov 20, 1955
December 68.0°F — Dec 15, 1958 -27.0°F — Dec 11, 1932 1.65 in — Dec 10, 1992

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