All-time weather records — Lead, SD

Record high
100.9°F
July 7, 1936
Record low
-40.0°F
February 8, 1936
Wettest day
5.73 in
May 31, 1909

Climate change signal in Lead

18.6%

of Lead's all-time daily heat records were set in the last decade (68 of 366 records since 2015).

6.3%

of all-time daily cold records were set in the last decade (23 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 #
1900s
2
2
1910s
29
66
1920s
18
43
1930s
44
38
1940s
30
21
1950s
27
38
1960s
24
34
1970s
22
17
1980s
30
33
1990s
30
22
2000s
25
18
2010s
55
17
2020s
30
17

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 1909, the latest in 2026. Period of observation: 1909-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 23, 1981 -36.9°F — Jan 13, 2024 1.68 in — Jan 27, 1944
February 69.1°F — Feb 16, 2017 -40.0°F — Feb 8, 1936 1.37 in — Feb 9, 2002
March 79.0°F — Mar 15, 2015 -20.0°F — Mar 6, 1920 5.65 in — Mar 14, 1973
April 84.0°F — Apr 21, 1980 -5.1°F — Apr 3, 2002 3.75 in — Apr 19, 2006
May 89.1°F — May 22, 1925 8.1°F — May 1, 1909 5.73 in — May 31, 1909
June 98.1°F — Jun 16, 2021 24.1°F — Jun 2, 1951 5.58 in — Jun 14, 1976
July 100.9°F — Jul 7, 1936 30.9°F — Jul 3, 1921 2.97 in — Jul 2, 1958
August 98.1°F — Aug 7, 1949 30.0°F — Aug 25, 1910 4.04 in — Aug 21, 1964
September 96.1°F — Sep 6, 1978 12.0°F — Sep 24, 1926 3.39 in — Sep 5, 1971
October 87.1°F — Oct 5, 1947 -11.9°F — Oct 28, 1925 5.14 in — Oct 6, 1994
November 77.0°F — Nov 15, 1942 -18.9°F — Nov 11, 1911 3.30 in — Nov 1, 2000
December 66.9°F — Dec 4, 1911 -33.0°F — Dec 24, 1983 1.13 in — Dec 23, 2014

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