San Jose weather records
Record high and low temperatures for San Jose, 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 105°F on 2017-09-03; its coldest fell to 22°F on 1990-12-22.
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 | 76°F2014-01-16
45°F1982-01-03
|
58°F1997-01-01
27°F2009-01-04
|
| February | 80°F1987-02-08
41°F1989-02-05
|
59°F2015-02-07
27°F1989-02-06
|
| March | 88°F2026-03-20
48°F1982-03-17
|
63°F2026-03-30
34°F2009-03-10
|
| April | 90°F1996-04-30
47°F1982-04-01
|
61°F1989-04-09
35°F2009-04-04
|
| May | 94°F2001-05-30
52°F1998-05-12
|
68°F2001-05-31
39°F1985-05-12
|
| June | 103°F2000-06-14
57°F1999-06-02
|
73°F1993-06-25
42°F1999-06-07
|
| July | 102°F2006-07-22
64°F2011-07-14
|
76°F2006-07-23
45°F1999-07-04
|
| August | 102°F2020-08-15
65°F1980-08-14
|
74°F1998-08-04
48°F2002-08-06
|
| September | 105°F2017-09-03
63°F1986-09-24
|
77°F2020-09-06
44°F2013-09-27
|
| October | 101°F2024-10-02
54°F1996-10-30
|
78°F2024-10-03
39°F1991-10-31
|
| November | 86°F1997-11-02
46°F1985-11-11
|
59°F2006-11-03
30°F2010-11-29
|
| December | 75°F2021-12-01
37°F1990-12-22
|
58°F2005-12-22
22°F1990-12-22
|
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°F1987-02-08
37°F1990-12-22
|
59°F2015-02-07
22°F1990-12-22
|
| Spring (Mar–May) | 94°F2001-05-30
47°F1982-04-01
|
68°F2001-05-31
34°F2009-03-10
|
| Summer (Jun–Aug) | 103°F2000-06-14
57°F1999-06-02
|
76°F2006-07-23
42°F1999-06-07
|
| Autumn (Sep–Nov) | 105°F2017-09-03
46°F1985-11-11
|
78°F2024-10-03
30°F2010-11-29
|
All-time records
The most extreme value San Jose 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.