Oceanside, California, United States weather records
Record high and low temperatures for Oceanside, California, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 96°F on 1988-09-03; its coldest fell to 41°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 | 78°F2018-01-29
51°F2002-01-29
|
64°F2003-01-31
43°F1987-01-16
|
| February | 79°F2002-02-22
49°F1989-02-05
|
66°F2016-02-15
42°F1989-02-06
|
| March | 82°F2015-03-14
52°F2012-03-18
|
67°F2015-03-15
47°F1989-03-04
|
| April | 89°F1989-04-05
53°F1999-04-01
|
70°F1989-04-06
47°F2011-04-09
|
| May | 86°F2014-05-15
57°F1995-05-06
|
70°F2014-05-15
50°F1999-05-05
|
| June | 88°F1981-06-15
59°F1999-06-03
|
72°F1981-06-16
54°F2011-06-02
|
| July | 91°F2006-07-22
64°F2010-07-07
|
75°F2006-07-23
56°F2010-07-04
|
| August | 90°F1985-08-25
65°F2010-08-08
|
76°F2018-08-09
57°F2010-08-12
|
| September | 96°F1988-09-03
65°F1999-09-18
|
79°F1988-09-04
57°F1999-09-19
|
| October | 94°F2017-10-24
60°F1996-10-31
|
77°F2017-10-24
55°F1996-10-31
|
| November | 86°F1997-11-02
56°F1994-11-18
|
71°F2016-11-09
45°F1994-11-19
|
| December | 77°F2017-12-29
50°F1990-12-22
|
65°F2025-12-09
41°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) | 79°F2002-02-22
49°F1989-02-05
|
66°F2016-02-15
41°F1990-12-23
|
| Spring (Mar–May) | 89°F1989-04-05
52°F2012-03-18
|
70°F2014-05-15
47°F1989-03-04
|
| Summer (Jun–Aug) | 91°F2006-07-22
59°F1999-06-03
|
76°F2018-08-09
54°F2011-06-02
|
| Autumn (Sep–Nov) | 96°F1988-09-03
56°F1994-11-18
|
79°F1988-09-04
45°F1994-11-19
|
All-time records
The most extreme value Oceanside has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.