All-time weather records — Northwood, IA

Record high
107.1°F
July 14, 1936
Record low
-36.9°F
January 12, 1912
Wettest day
6.65 in
August 19, 1990

Climate change signal in Northwood

6.6%

of Northwood's all-time daily heat records were set in the last decade (24 of 366 records since 2015).

7.4%

of all-time daily cold records were set in the last decade (27 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
11
38
1900s
16
30
1910s
8
38
1920s
16
38
1930s
82
21
1940s
24
31
1950s
26
24
1960s
23
32
1970s
22
18
1980s
47
24
1990s
19
23
2000s
31
15
2010s
21
21
2020s
20
13

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 1896, the latest in 2026. Period of observation: 1896-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 25, 1944 -36.9°F — Jan 12, 1912 1.80 in — Jan 4, 1971
February 105.1°F — Feb 3, 2005 -34.1°F — Feb 8, 1899 2.00 in — Feb 22, 1922
March 82.9°F — Mar 29, 1986 -27.0°F — Mar 1, 1962 2.06 in — Mar 23, 1966
April 93.0°F — Apr 21, 1980 3.9°F — Apr 4, 2018 2.80 in — Apr 20, 1993
May 105.1°F — May 31, 1934 19.9°F — May 4, 1907 4.43 in — May 22, 2004
June 102.9°F — Jun 27, 1934 32.0°F — Jun 1, 1897 5.06 in — Jun 15, 1978
July 107.1°F — Jul 14, 1936 37.9°F — Jul 22, 1947 4.90 in — Jul 24, 2025
August 102.9°F — Aug 3, 1930 30.9°F — Aug 14, 1917 6.65 in — Aug 19, 1990
September 98.1°F — Sep 6, 1922 19.9°F — Sep 30, 1899 6.53 in — Sep 6, 1927
October 93.0°F — Oct 5, 1963 -2.0°F — Oct 30, 1925 3.98 in — Oct 5, 2013
November 79.0°F — Nov 1, 1933 -16.1°F — Nov 30, 1897 2.50 in — Nov 13, 1909
December 66.0°F — Dec 2, 1998 -27.0°F — Dec 19, 1983 1.50 in — Dec 2, 2007

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