All-time weather records — Walkerville, MT

Record high
100.0°F
July 22, 1931
Record low
-52.1°F
February 9, 1933
Wettest day
3.00 in
June 8, 1913

Climate change signal in Walkerville

10.9%

of Walkerville's all-time daily heat records were set in the last decade (40 of 366 records since 2015).

5.5%

of all-time daily cold records were set in the last decade (20 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
6
8
1900s
14
9
1910s
43
21
1920s
30
8
1930s
41
37
1940s
9
46
1950s
14
52
1960s
25
42
1970s
20
36
1980s
37
34
1990s
42
28
2000s
37
22
2010s
18
12
2020s
30
11

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 1894, the latest in 2026. Period of observation: 1894-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.9°F — Jan 29, 1931 -47.9°F — Jan 7, 1937 1.00 in — Jan 28, 1899
February 61.0°F — Feb 24, 1921 -52.1°F — Feb 9, 1933 0.90 in — Feb 12, 1904
March 70.0°F — Mar 20, 2026 -36.0°F — Mar 10, 1948 1.20 in — Mar 4, 1918
April 82.9°F — Apr 25, 1910 -16.1°F — Apr 8, 1982 1.10 in — Apr 22, 1899
May 90.0°F — May 28, 1919 9.0°F — May 1, 1975 2.50 in — May 28, 1927
June 97.0°F — Jun 11, 1988 21.9°F — Jun 6, 1916 3.00 in — Jun 8, 1913
July 100.0°F — Jul 22, 1931 28.0°F — Jul 7, 1971 1.34 in — Jul 31, 1937
August 99.0°F — Aug 3, 2000 23.0°F — Aug 25, 1992 2.02 in — Aug 2, 1943
September 96.1°F — Sep 3, 2022 3.0°F — Sep 24, 1926 1.45 in — Sep 17, 1908
October 84.9°F — Oct 3, 2010 -23.1°F — Oct 30, 1991 2.30 in — Oct 10, 1911
November 70.0°F — Nov 12, 1999 -42.0°F — Nov 13, 1959 1.20 in — Nov 20, 1921
December 66.0°F — Dec 27, 1917 -52.1°F — Dec 23, 1983 1.28 in — Dec 11, 1919

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