All-time weather records — Oelwein, IA

Record high
109.0°F
July 13, 1936
Record low
-32.1°F
January 8, 1942
Wettest day
7.19 in
September 7, 1989

Climate change signal in Oelwein

0%

of Oelwein's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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 #
1920s
26
43
1930s
125
44
1940s
53
43
1950s
29
54
1960s
23
56
1970s
15
59
1980s
40
34
1990s
30
25
2000s
25
8

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 1923, the latest in 2005. Period of observation: 1923-2005.

Records by month

Month Hottest day Coldest day Wettest day
January 61.0°F — Jan 27, 2002 -32.1°F — Jan 8, 1942 1.60 in — Jan 5, 1946
February 68.0°F — Feb 21, 1930 -32.1°F — Feb 3, 1996 1.46 in — Feb 18, 1962
March 84.9°F — Mar 29, 1986 -27.0°F — Mar 1, 1962 2.16 in — Mar 4, 1924
April 96.1°F — Apr 22, 1980 3.0°F — Apr 8, 1972 2.38 in — Apr 12, 1991
May 106.0°F — May 31, 1934 21.9°F — May 3, 2005 4.38 in — May 16, 1999
June 106.0°F — Jun 27, 1934 15.1°F — Jun 28, 1926 6.50 in — Jun 15, 1925
July 109.0°F — Jul 13, 1936 39.9°F — Jul 13, 1975 4.63 in — Jul 19, 1963
August 109.0°F — Aug 18, 1936 37.0°F — Aug 13, 1964 6.38 in — Aug 31, 1981
September 102.9°F — Sep 7, 1939 19.9°F — Sep 5, 1942 7.19 in — Sep 7, 1989
October 93.9°F — Oct 3, 1997 1.9°F — Oct 30, 1925 2.40 in — Oct 2, 1927
November 78.1°F — Nov 1, 1933 -18.0°F — Nov 26, 1977 2.50 in — Nov 3, 2003
December 66.0°F — Dec 4, 1998 -29.0°F — Dec 25, 2000 1.50 in — Dec 2, 1991

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