All-time weather records — Donnelly, MN

Record high
109.0°F
July 18, 1940
Record low
-41.1°F
February 16, 1936
Wettest day
6.90 in
April 26, 1954

Climate change signal in Donnelly

9%

of Donnelly's all-time daily heat records were set in the last decade (33 of 366 records since 2015).

0.8%

of all-time daily cold records were set in the last decade (3 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 #
1880s
2
31
1890s
19
46
1900s
19
22
1910s
15
35
1920s
33
49
1930s
85
38
1940s
36
25
1950s
23
21
1960s
18
21
1970s
10
35
1980s
28
15
1990s
20
12
2000s
17
11
2010s
17
5
2020s
24
·

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 1887, the latest in 2025. Period of observation: 1886-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 60.1°F — Jan 25, 1981 -40.0°F — Jan 21, 1888 1.21 in — Jan 31, 1926
February 63.0°F — Feb 27, 2024 -41.1°F — Feb 16, 1936 1.15 in — Feb 14, 1926
March 82.9°F — Mar 23, 1910 -29.9°F — Mar 11, 1948 1.93 in — Mar 28, 1940
April 98.1°F — Apr 22, 1980 -2.0°F — Apr 7, 1936 6.90 in — Apr 26, 1954
May 106.0°F — May 31, 1934 18.0°F — May 2, 1911 3.64 in — May 31, 1959
June 104.0°F — Jun 25, 1988 27.0°F — Jun 1, 1929 5.60 in — Jun 21, 2013
July 109.0°F — Jul 18, 1940 37.0°F — Jul 12, 1927 4.84 in — Jul 8, 1929
August 104.0°F — Aug 10, 1947 3.0°F — Aug 31, 1914 4.34 in — Aug 18, 1935
September 106.0°F — Sep 10, 1931 19.9°F — Sep 22, 1974 3.09 in — Sep 20, 2007
October 93.0°F — Oct 2, 2023 1.0°F — Oct 29, 1895 3.60 in — Oct 15, 1984
November 80.1°F — Nov 5, 2020 -27.0°F — Nov 28, 1891 1.92 in — Nov 20, 1930
December 69.1°F — Dec 6, 1939 -35.0°F — Dec 22, 2000 1.08 in — Dec 26, 2023

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