All-time weather records — Evanston, WY

Record high
99.0°F
June 14, 1985
Record low
-38.0°F
February 12, 1905
Wettest day
6.00 in
October 31, 2003

Climate change signal in Evanston

20.8%

of Evanston's all-time daily heat records were set in the last decade (76 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 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
8
6
1900s
12
35
1910s
19
34
1920s
14
36
1930s
29
36
1940s
16
28
1950s
22
85
1960s
30
41
1970s
17
27
1980s
57
11
1990s
23
15
2000s
29
2
2010s
39
7
2020s
51
3

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 1890, the latest in 2026. Period of observation: 1890-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 23, 1981 -35.0°F — Jan 12, 1963 1.28 in — Jan 12, 2005
February 70.0°F — Feb 25, 1986 -38.0°F — Feb 12, 1905 2.00 in — Feb 19, 2007
March 75.0°F — Mar 25, 1985 -29.9°F — Mar 2, 1917 2.00 in — Mar 23, 1899
April 93.0°F — Apr 15, 1985 -7.1°F — Apr 1, 1920 1.50 in — Apr 2, 1986
May 88.0°F — May 18, 1948 9.0°F — May 6, 1965 2.63 in — May 30, 1924
June 99.0°F — Jun 14, 1985 19.0°F — Jun 21, 1960 1.56 in — Jun 9, 1941
July 99.0°F — Jul 7, 1985 24.1°F — Jul 3, 1921 1.90 in — Jul 10, 2006
August 93.9°F — Aug 3, 2024 23.0°F — Aug 31, 1962 1.54 in — Aug 3, 1926
September 93.0°F — Sep 6, 2022 3.0°F — Sep 24, 2009 2.10 in — Sep 28, 2014
October 82.0°F — Oct 4, 2024 -8.0°F — Oct 26, 2020 6.00 in — Oct 31, 2003
November 69.1°F — Nov 1, 1965 -22.0°F — Nov 15, 1955 1.26 in — Nov 15, 1958
December 64.0°F — Dec 5, 1939 -34.1°F — Dec 9, 1951 1.80 in — Dec 22, 2015

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