All-time weather records — Alturas, CA

Record high
108.0°F
July 8, 2007
Record low
-34.1°F
December 9, 1972
Wettest day
10.00 in
February 6, 1937

Climate change signal in Alturas

3.3%

of Alturas's all-time daily heat records were set in the last decade (12 of 366 records since 2015).

0.3%

of all-time daily cold records were set in the last decade (1 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
13
28
1910s
52
85
1930s
40
32
1940s
13
19
1950s
51
15
1960s
93
27
1970s
8
47
1980s
25
40
1990s
24
38
2000s
32
31
2010s
11
4
2020s
4
·

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 1905, the latest in 2022. Period of observation: 1905-2023.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 1, 1918 -32.1°F — Jan 15, 1917 2.14 in — Jan 15, 1936
February 75.0°F — Feb 12, 1934 -33.0°F — Feb 5, 1989 10.00 in — Feb 6, 1937
March 82.0°F — Mar 18, 1934 -25.1°F — Mar 1, 1917 1.99 in — Mar 8, 1986
April 87.1°F — Apr 24, 1910 7.0°F — Apr 5, 1997 1.60 in — Apr 29, 1995
May 98.1°F — May 30, 1910 10.9°F — May 3, 2008 1.56 in — May 17, 1945
June 102.0°F — Jun 17, 1961 21.0°F — Jun 4, 2001 1.38 in — Jun 6, 1934
July 108.0°F — Jul 8, 2007 28.0°F — Jul 1, 1976 2.00 in — Jul 23, 1913
August 108.0°F — Aug 1, 2022 24.1°F — Aug 31, 1908 1.05 in — Aug 2, 1965
September 106.0°F — Sep 4, 1955 15.1°F — Sep 25, 1908 1.00 in — Sep 26, 1998
October 93.0°F — Oct 8, 1917 1.0°F — Oct 31, 2002 1.75 in — Oct 13, 1962
November 82.9°F — Nov 21, 2005 -17.0°F — Nov 12, 1985 1.33 in — Nov 19, 1946
December 72.0°F — Dec 8, 2007 -34.1°F — Dec 9, 1972 3.51 in — Dec 11, 1937

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