32.734°N, 117.183°W · station SANthr · 1874–2026 · 153 years of record
The Almanac Ribbon
Every day of the year at San Diego: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
Record highRecord lowNormal high–low band (1991–2020)hottest ever 111°F · coldest ever 25°F
Records by Month
Month
Record high
Record low
Jan
88°Jan 10, 1953
25°Jan 7, 1913
Feb
91°Feb 12, 2022
34°Feb 10, 1891
Mar
99°Mar 29, 1879
36°Mar 5, 1894
Apr
98°Apr 6, 1989
39°Apr 7, 1875
May
98°May 25, 1896
45°May 2, 1883
Jun
101°Jun 10, 1979
50°Jun 14, 1884
Jul
100°Jul 30, 1930
54°Jul 4, 1880
Aug
98°Aug 31, 1955
54°Aug 29, 1879
Sep
111°Sep 26, 1963
50°Sep 29, 1880
Oct
107°Oct 14, 1961
43°Oct 30, 1971
Nov
100°Nov 4, 2010
36°Nov 28, 1919
Dec
88°Dec 29, 1963
32°Dec 25, 1879
All-time
111°Sep 26, 1963
25°Jan 7, 1913
Longest-Standing Records
The daily records that have held the longest — set in the earliest years and never beaten since. Highs power San Diego on hottestsince.com; lows on coldestsince.com.
Oldest-standing record highs
Date
Record
Set
Standing
Jun 8
93°
1877
149yrs
Jul 20
86°
1877
149yrs
Sep 11
97°
1878
148yrs
Sep 12
92°
1878
148yrs
Mar 27
95°
1879
147yrs
Mar 28
99°
1879
147yrs
May 29
88°
1879
147yrs
May 30
94°
1879
147yrs
May 31
89°
1879
147yrs
Jun 1
93°
1879
147yrs
Sep 13
92°
1879
147yrs
Oct 25
92°
1879
147yrs
Oldest-standing record lows
Date
Record
Set
Standing
Oct 25
46°
1874
152yrs
Oct 27
47°
1874
152yrs
Nov 6
46°
1874
152yrs
Mar 18
40°
1875
151yrs
Mar 29
39°
1875
151yrs
Apr 5
41°
1875
151yrs
Apr 6
39°
1875
151yrs
Apr 7
41°
1875
151yrs
Apr 8
43°
1875
151yrs
Feb 27
39°
1876
150yrs
Apr 12
43°
1876
150yrs
Sep 7
55°
1876
150yrs
All-Time Extremes
Hottest ever
111°F
1963-09-26
Coldest ever
25°F
1913-01-07
Longest heat streak
6 days
≥ 90°F · ended 1939-09-22
The Warming Trend
San Diego's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
Days Above / Below the Mark
0 days ≥90°F in 2026 · normal 2 · record 13 in 2014
0 days ≤32°F in 2026 · normal 0 · record 2 in 1913
The Full Record
Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.