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 104°F on 2016-06-20; its coldest fell to 27°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 | 86°F2003-01-31
48°F2002-01-29
|
59°F2021-01-20
30°F2007-01-14
|
| February | 88°F2016-02-16
47°F1987-02-24
|
64°F1987-02-07
29°F1990-02-15
|
| March | 94°F1988-03-26
49°F1998-03-29
|
62°F2026-03-31
34°F1985-03-04
|
| April | 98°F1989-04-06
53°F1999-04-12
|
64°F2009-04-21
35°F1999-04-02
|
| May | 99°F2014-05-15
56°F1995-05-06
|
68°F2004-05-03
42°F2003-05-10
|
| June | 104°F2016-06-20
57°F1999-06-03
|
71°F1990-06-27
47°F1988-06-07
|
| July | 104°F2018-07-06
69°F2010-07-08
|
76°F2018-07-08
54°F1987-07-22
|
| August | 99°F1985-08-25
70°F2000-08-30
|
75°F2018-08-10
56°F2010-08-09
|
| September | 104°F2020-09-05
63°F1986-09-24
|
82°F2022-09-04
49°F2019-09-30
|
| October | 103°F1991-10-10
59°F2000-10-27
|
75°F2026-10-04
42°F1996-10-27
|
| November | 94°F2010-11-04
51°F1985-11-12
|
64°F2010-11-04
34°F1994-11-20
|
| December | 83°F1980-12-16
46°F1990-12-22
|
60°F2014-12-04
27°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) | 88°F2016-02-16
46°F1990-12-22
|
64°F1987-02-07
27°F1990-12-23
|
| Spring (Mar–May) | 99°F2014-05-15
49°F1998-03-29
|
68°F2004-05-03
34°F1985-03-04
|
| Summer (Jun–Aug) | 104°F2016-06-20
57°F1999-06-03
|
76°F2018-07-08
47°F1988-06-07
|
| Autumn (Sep–Nov) | 104°F2020-09-05
51°F1985-11-12
|
82°F2022-09-04
34°F1994-11-20
|
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.