Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Chula Vista, California, United States weather records

Record high and low temperatures for Chula Vista, 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 106°F on 2018-07-06; its coldest fell to 30°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.

MonthDaytime highOvernight low
January
82°F2003-01-31
47°F2005-01-04
60°F2000-01-17
31°F2007-01-14
February
87°F2026-02-27
46°F1990-02-14
63°F2026-02-27
32°F1989-02-06
March
90°F2026-03-17
48°F1991-03-15
67°F2026-03-18
37°F1989-03-04
April
94°F1989-04-06
50°F1995-04-16
67°F1989-04-07
39°F1999-04-05
May
98°F1984-05-29
54°F2017-05-07
71°F2004-05-03
44°F1999-05-05
June
102°F2016-06-20
60°F1999-06-03
74°F1990-06-26
47°F2011-06-01
July
106°F2018-07-06
67°F1999-07-03
78°F2018-07-07
52°F2010-07-04
August
104°F1985-08-25
68°F2010-08-29
77°F1998-08-31
51°F2010-08-29
September
102°F2020-09-05
66°F1986-09-23
80°F2024-09-08
51°F1986-09-23
October
98°F2012-10-01
59°F2000-10-27
74°F2012-10-01
45°F2009-10-29
November
90°F1997-11-01
53°F2019-11-29
66°F2020-11-05
35°F1994-11-19
December
82°F2025-12-18
43°F1990-12-23
60°F2025-12-11
30°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).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
87°F2026-02-27
43°F1990-12-23
63°F2026-02-27
30°F1990-12-23
Spring (Mar–May)
98°F1984-05-29
48°F1991-03-15
71°F2004-05-03
37°F1989-03-04
Summer (Jun–Aug)
106°F2018-07-06
60°F1999-06-03
78°F2018-07-07
47°F2011-06-01
Autumn (Sep–Nov)
102°F2020-09-05
53°F2019-11-29
80°F2024-09-08
35°F1994-11-19

All-time records

The most extreme value Chula Vista has recorded for each metric across its entire history.

High

Highest 106°F 2018-07-06
Lowest 43°F 1990-12-23

Low

Highest 80°F 2024-09-08
Lowest 30°F 1990-12-23

Feels-like

Highest 121°F 2022-09-05
Lowest 16°F 1990-12-23

Humidity

Highest 19.1 g/m³ 2006-07-28
Lowest 1.9 g/m³ 1990-12-23

Wind

Highest 40 mph 2010-01-21
Lowest 3 mph 2016-04-05

Precip

Wettest 4.05 in 2020-06-12
Driest 132-day dry spell 2020-06-15

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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