All-time weather records — Livermore, CA

Record high
963.0°F
September 22, 1914
Record low
18.0°F
January 5, 1961
Wettest day
3.97 in
September 12, 1918

Climate change signal in Livermore

13.4%

of Livermore's all-time daily heat records were set in the last decade (49 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 #
1900s
29
35
1910s
85
74
1920s
4
24
1930s
31
28
1940s
19
40
1950s
42
26
1960s
18
59
1970s
27
64
1980s
22
6
1990s
10
3
2000s
24
·
2010s
10
1
2020s
45
6

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 1903, the latest in 2026. Period of observation: 1903-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 81.0°F — Jan 29, 2024 18.0°F — Jan 5, 1961 3.88 in — Jan 2, 2023
February 82.0°F — Feb 28, 2022 21.0°F — Feb 23, 1942 2.93 in — Feb 1, 1963
March 91.0°F — Mar 20, 2026 21.9°F — Mar 2, 1971 2.00 in — Mar 21, 1937
April 97.0°F — Apr 7, 2022 28.9°F — Apr 1, 1976 1.80 in — Apr 3, 1958
May 108.0°F — May 30, 1910 32.0°F — May 4, 1952 0.90 in — May 7, 1905
June 113.0°F — Jun 16, 1961 37.0°F — Jun 13, 1984 0.60 in — Jun 16, 1995
July 113.0°F — Jul 7, 1905 36.0°F — Jul 8, 1974 0.67 in — Jul 2, 1980
August 111.9°F — Aug 1, 1946 39.9°F — Aug 7, 1977 0.50 in — Aug 19, 1983
September 963.0°F — Sep 22, 1914 35.1°F — Sep 30, 1950 3.97 in — Sep 12, 1918
October 109.9°F — Oct 2, 2024 28.9°F — Oct 30, 1971 3.05 in — Oct 25, 2021
November 93.0°F — Nov 2, 1918 21.9°F — Nov 5, 1942 3.05 in — Nov 19, 1950
December 79.0°F — Dec 12, 1958 18.0°F — Dec 9, 1972 3.26 in — Dec 23, 1955

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