All-time weather records — O'Neill, NE

Record high
111.9°F
July 16, 1936
Record low
-34.1°F
February 2, 1905
Wettest day
5.84 in
September 16, 1986

Climate change signal in O'Neill

6.8%

of O'Neill's all-time daily heat records were set in the last decade (25 of 366 records since 2015).

4.4%

of all-time daily cold records were set in the last decade (16 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
5
23
1900s
17
32
1910s
7
19
1920s
34
32
1930s
104
28
1940s
23
17
1950s
25
25
1960s
22
51
1970s
4
31
1980s
31
37
1990s
29
31
2000s
24
14
2010s
23
16
2020s
18
10

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 1897, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 26, 2002 -29.9°F — Jan 10, 1918 1.45 in — Jan 18, 1988
February 77.0°F — Feb 21, 1995 -34.1°F — Feb 2, 1905 1.25 in — Feb 19, 1984
March 91.0°F — Mar 22, 2026 -20.9°F — Mar 4, 1960 2.60 in — Mar 31, 1949
April 96.1°F — Apr 22, 1989 -5.1°F — Apr 3, 1936 3.20 in — Apr 30, 2022
May 107.1°F — May 29, 1934 15.1°F — May 2, 1967 4.13 in — May 23, 1971
June 108.0°F — Jun 21, 1988 30.0°F — Jun 5, 1902 4.03 in — Jun 21, 2024
July 111.9°F — Jul 16, 1936 33.1°F — Jul 18, 1902 4.84 in — Jul 29, 1937
August 109.9°F — Aug 2, 1930 37.0°F — Aug 22, 1923 4.91 in — Aug 22, 1990
September 107.1°F — Sep 6, 1931 19.0°F — Sep 28, 1899 5.84 in — Sep 16, 1986
October 96.1°F — Oct 21, 1947 1.9°F — Oct 28, 1925 2.37 in — Oct 2, 2017
November 82.0°F — Nov 2, 2005 -18.9°F — Nov 14, 1959 2.00 in — Nov 21, 2015
December 75.9°F — Dec 6, 1939 -32.1°F — Dec 21, 1989 1.78 in — Dec 1, 1981

Click a month to see every daily record for that month in O'Neill.