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

Vista, CA Climate

Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →

63°F
Avg annual temp
74/100
Comfort score
13.4"
Annual precip
-23d
Growing season

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

The climate verdict for Vista

Vista, California averages 63°F a year and scores 74/100 on the comfort index - good, milder than 71% of U.S. cities.

63°F
average temperature, NOAA 1991-2020 normal
74/100
comfort score, milder than 71% of U.S. cities
13.4"
annual precipitation
-23 days
frost-free growing season

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

72°F

Avg Low

53°F

Annual Precip

13.4"

Comfort Score

74/100

Good

Climate Comfort Score

74/100

Good

Avg Annual Temperature

63°F

30-year mean (NOAA NCEI)

Annual Precipitation

13.4"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Vista) 74.0%
National median (63)

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

How Vista compares to every U.S. city

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

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

74 Top 29% higher than 71% 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 Vista

Methodology

Zooming out from Vista's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.

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 66°F (19°C) 46°F (8°C) 56°F (13°C)
February 65°F (19°C) 46°F (8°C) 56°F (13°C)
March 67°F (19°C) 48°F (9°C) 58°F (14°C)
April 69°F (21°C) 50°F (10°C) 60°F (16°C)
May 71°F (22°C) 55°F (13°C) 63°F (17°C)
June 75°F (24°C) 59°F (15°C) 67°F (19°C)
July 79°F (26°C) 62°F (17°C) 71°F (21°C)
August 81°F (27°C) 63°F (17°C) 72°F (22°C)
September 81°F (27°C) 61°F (16°C) 71°F (22°C)
October 76°F (24°C) 56°F (13°C) 66°F (19°C)
November 71°F (22°C) 50°F (10°C) 60°F (16°C)
December 65°F (18°C) 45°F (7°C) 55°F (13°C)

Monthly Precipitation

Average monthly rainfall

January 2.9"

7.0 days with precipitation

February 3.1"

7.9 days with precipitation

March 2.1"

6.0 days with precipitation

April 1.0"

4.1 days with precipitation

May 0.3"

3.1 days with precipitation

June 0.1"

1.0 days with precipitation

July 0.1"

0.8 days with precipitation

August 0.0"

0.4 days with precipitation

September 0.2"

0.7 days with precipitation

October 0.6"

2.1 days with precipitation

November 1.1"

4.3 days with precipitation

December 1.9"

6.2 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

January 7

50% probability date

Last Spring Freeze

January 30

50% probability date

Growing Season

-23 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

1,593

Higher = more heating needed

Cooling Degree Days

786

Higher = more cooling needed

Warmest Month

August

Coldest Month

December

What Vista's climate means for you

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

  • Gardeners get about -23 frost-free days, with the last spring freeze near January 30 - plan the planting calendar around it, not the regional average.
  • Energy bills track 1,593 heating and 786 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: Vista, CA

Based on station USC00049378 feeding NOAA's 1991–2020 climate normals, Vista, California averages 63°F a year, ranging from a mean daily high of 72°F to a mean daily low of 53°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.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Vista sees about 13.4 inches of precipitation a year, predominantly as rainfall. The frost-free season averages -23 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 30 and the first fall freeze near January 7. On the energy side, 1,593 heating degree days and 786 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Vista scores 74/100 (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 Vista, CA?
The average annual temperature in Vista, California is 63°F. The warmest month averages 81°F (27°C) and the coldest averages 45°F (7°C).
How much rain does Vista get?
Vista receives 13.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Vista?
Vista has a climate comfort score of 74/100 (Good), milder than 71% of U.S. cities in the PlainClimate database.
When is the growing season in Vista?
Vista has approximately -23 frost-free days per year, with the last spring freeze around January 30 and the first fall freeze around January 7.
How much energy does heating and cooling require in Vista?
Vista has 1,593 heating degree days and 786 cooling degree days annually, a heating-dominated climate. 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 Vista climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00049378 near Vista.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00049378. 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.