PlainClimate
NOAA 1991–2020 normals 63°F annual avg Public-domain federal data

Chula Vista, CA Climate

Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score

63°F
Avg annual temp
72/100
Comfort score
9.2"
Annual precip

30-year climate normals from 1 weather station (1991-2020).

The climate verdict for Chula Vista

Chula Vista, California averages 63°F a year and scores 72/100 on the comfort index - good, milder than 66% of U.S. cities.

63°F
average temperature, NOAA 1991-2020 normal
72/100
comfort score, milder than 66% of U.S. cities
9.2"
annual precipitation

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

63°F (17°C)

Avg High

71°F

Avg Low

56°F

Annual Precip

9.2"

Annual Snow

0.0"

Comfort Score

72/100

Good

Climate Comfort Score

72/100

Good

Avg Annual Temperature

63°F

30-year mean (NOAA NCEI)

Annual Precipitation

9.2"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Chula Vista) 72.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Chula Vista area.

How Chula Vista compares to every U.S. city

Chula Vista's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

72 Top 34% higher than 66% of 6,915 US cities

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). Below this entry. 50–60: 1,433 US cities (21%). Below this entry. 60–70: 1,357 US cities (20%). Below this entry. 70–80: 1,102 US cities (16%). This entry sits in this band. 80–90: 778 US cities (11%). Above this entry. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020

Warming context for Chula Vista

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Chula Vista's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • United States land mean (NOAA NCEI) +0.11 °C/decade
  • Global anomaly (NASA GISTEMP) +0.11 °C/decade
  • Paris Agreement thresholds 1.5°C / 2.0°C
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 68°F (20°C) 47°F (8°C) 57°F (14°C)
February 67°F (19°C) 48°F (9°C) 58°F (14°C)
March 67°F (19°C) 51°F (11°C) 59°F (15°C)
April 68°F (20°C) 54°F (12°C) 61°F (16°C)
May 69°F (21°C) 58°F (14°C) 63°F (17°C)
June 71°F (22°C) 61°F (16°C) 66°F (19°C)
July 75°F (24°C) 65°F (18°C) 70°F (21°C)
August 77°F (25°C) 66°F (19°C) 71°F (22°C)
September 77°F (25°C) 64°F (18°C) 71°F (21°C)
October 75°F (24°C) 59°F (15°C) 67°F (19°C)
November 71°F (22°C) 51°F (11°C) 61°F (16°C)
December 67°F (19°C) 46°F (8°C) 56°F (13°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 1.8"

5.0 days with precipitation

February 2.3"

6.8 days with precipitation

March 1.4"

5.0 days with precipitation

April 0.7"

3.3 days with precipitation

May 0.3"

1.4 days with precipitation

June 0.1"

0.4 days with precipitation

July 0.1"

0.3 days with precipitation

August 0.0"

0.3 days with precipitation

September 0.1"

0.5 days with precipitation

October 0.4"

1.3 days with precipitation

November 0.6"

2.8 days with precipitation

December 1.6"

5.4 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

N/A

50% probability date

Last Spring Freeze

N/A

50% probability date

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

1,305

Higher = more heating needed

Cooling Degree Days

701

Higher = more cooling needed

Warmest Month

August

Coldest Month

December

What Chula Vista's climate means for you

Chula Vista runs 63°F a year - peaking in August, coldest in December.

  • Energy bills track 1,305 heating and 701 cooling degree days a year, higher means the furnace or AC runs more.
  • Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings

These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.

Climate Guides

Climate Insight: Chula Vista, CA

Based on station USC00041758 feeding NOAA's 1991–2020 climate normals, Chula Vista, California averages 63°F a year, ranging from a mean daily high of 71°F to a mean daily low of 56°F. August is typically the warmest month of the year, while December is the coldest. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.

Beyond temperature, Chula Vista averages 9.2 inches of precipitation annually, with negligible snowfall - a real factor for anyone planning to live, garden, or travel here. Growing-season length varies with elevation and microclimate. Turning to energy use, 1,305 heating degree days and 701 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Chula Vista scores 72/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings August-driven heat, and winter brings December-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.

Frequently Asked Questions

What is the average temperature in Chula Vista, CA?
The average annual temperature in Chula Vista, California is 63°F. The warmest month averages 77°F (25°C) and the coldest averages 46°F (8°C).
How much rain does Chula Vista get?
Chula Vista receives 9.2 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Chula Vista?
Chula Vista has a climate comfort score of 72/100 (Good), milder than 66% of U.S. cities in the PlainClimate database.
When is the growing season in Chula Vista?
Growing season data is not available for Chula Vista.
How much energy does heating and cooling require in Chula Vista?
Chula Vista has 1,305 heating degree days and 701 cooling degree days annually, a fairly balanced heating/cooling split. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Chula Vista climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00041758 near Chula Vista.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00041758. For informational purposes only.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial

Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.