San Diego weather records
Record high and low temperatures for San Diego, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 96°F on 1988-09-04; its coldest fell to 39°F on 1990-12-23.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 77°F2003-01-31
52°F1989-01-07
|
62°F2021-01-20
42°F1987-01-17
|
| February | 80°F2016-02-16
51°F1987-02-25
|
65°F1987-02-07
41°F1990-02-15
|
| March | 83°F1988-03-26
53°F1998-03-29
|
66°F2015-03-15
46°F1985-03-04
|
| April | 89°F1989-04-06
54°F1999-04-12
|
66°F2014-04-30
44°F1999-04-02
|
| May | 88°F2026-05-11
58°F1999-05-04
|
68°F2013-05-13
51°F2003-05-10
|
| June | 90°F2026-06-12
60°F1999-06-04
|
70°F2008-06-21
52°F2026-06-02
|
| July | 92°F2026-07-15
64°F2010-07-08
|
74°F2006-07-28
56°F2026-07-02
|
| August | 87°F1991-08-12
66°F2011-08-11
|
75°F2018-08-10
60°F2010-08-09
|
| September | 96°F1988-09-04
64°F1986-09-23
|
78°F2022-09-04
56°F1999-09-19
|
| October | 93°F1987-10-03
62°F1996-10-31
|
75°F2015-10-13
55°F1996-10-27
|
| November | 89°F2016-11-09
55°F1985-11-12
|
67°F2010-11-04
46°F2010-11-30
|
| December | 77°F1980-12-30
49°F1990-12-22
|
63°F2014-12-02
39°F1990-12-23
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 80°F2016-02-16
49°F1990-12-22
|
65°F1987-02-07
39°F1990-12-23
|
| Spring (Mar–May) | 89°F1989-04-06
53°F1998-03-29
|
68°F2013-05-13
44°F1999-04-02
|
| Summer (Jun–Aug) | 92°F2026-07-15
60°F1999-06-04
|
75°F2018-08-10
52°F2026-06-02
|
| Autumn (Sep–Nov) | 96°F1988-09-04
55°F1985-11-12
|
78°F2022-09-04
46°F2010-11-30
|
All-time records
The most extreme value San Diego has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.