All-time weather records — Niantic, IL

Record high
113.0°F
July 14, 1954
Record low
-31.0°F
January 3, 1999
Wettest day
5.84 in
September 14, 2008

Climate change signal in Niantic

2.5%

of Niantic's all-time daily heat records were set in the last decade (9 of 366 records since 2015).

2.2%

of all-time daily cold records were set in the last decade (8 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
33
36
1900s
19
43
1910s
36
38
1920s
41
42
1930s
82
19
1940s
24
17
1950s
39
17
1960s
10
25
1970s
15
33
1980s
31
63
1990s
11
19
2000s
14
3
2010s
6
9
2020s
5
2

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

Records by month

Month Hottest day Coldest day Wettest day
January 73.0°F — Jan 24, 1909 -31.0°F — Jan 3, 1999 2.25 in — Jan 3, 1950
February 75.9°F — Mar 1, 1972 -25.1°F — Feb 13, 1905 2.70 in — Feb 5, 2008
March 89.1°F — Mar 24, 1929 -9.9°F — Mar 5, 1978 4.28 in — Mar 27, 1898
April 93.9°F — Apr 29, 1894 15.1°F — Apr 5, 1920 3.58 in — Apr 12, 1979
May 100.9°F — May 31, 1934 25.0°F — May 14, 1895 4.22 in — May 19, 1974
June 105.1°F — Jun 20, 1953 12.9°F — Jun 15, 1943 4.76 in — Jun 2, 1965
July 113.0°F — Jul 14, 1954 45.0°F — Jul 2, 1904 5.11 in — Jul 26, 1992
August 106.0°F — Aug 9, 1934 35.1°F — Aug 29, 1986 4.71 in — Aug 2, 1978
September 104.0°F — Sep 5, 1954 1.0°F — Sep 25, 1986 5.84 in — Sep 14, 2008
October 96.1°F — Oct 2, 1953 12.0°F — Oct 30, 1925 4.09 in — Oct 22, 1983
November 82.9°F — Nov 1, 1933 -2.9°F — Nov 30, 1929 3.70 in — Nov 2, 1936
December 72.0°F — Dec 1, 1970 -22.0°F — Dec 24, 1983 2.85 in — Dec 18, 1895

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