PlainClimate
2026 data Public-data reference. official source

Vista, CA Climate

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

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

Vista, California has an average annual temperature of 63°F and a climate comfort score of 77/100 (Good). Annual precipitation totals 13.4". Based on NOAA 30-year normals (1991–2020).

Avg Temperature

63°F (17°C)

Avg High

72°F

Avg Low

53°F

Annual Precip

13.4"

Comfort Score

77/100

Good

Climate Comfort Score

77/100

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) 77.0%
National median (≈55)

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

Warming context for Vista

Methodology

How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Vista captures average conditions across the spread shown — the most recent decade is 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 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

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

Related Data

Climate Guides

Climate Insight: Vista, CA

The NOAA 1991–2020 climate normals describe Vista, California as a location with an annual average temperature of 63°F, 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. These thirty-year averages, computed from station USC00049378, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Vista receives roughly 13.4 inches of precipitation each year, predominantly as rainfall. Growing-season length varies with elevation and microclimate, with the last spring freeze near January 30 and the first fall freeze near January 7. For energy use, 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 77/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows — shoulder seasons for mild highs and lows, peak summer for August-driven heat, or deep winter for December-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.

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 77/100 (Good). This score considers temperature mildness, humidity, precipitation, and extreme weather frequency.
When is the growing season in Vista?
Growing season data is not available for Vista.
How much energy does heating and cooling require in Vista?
Vista has 1,593 heating degree days and 786 cooling degree days annually. Higher heating degree days indicate greater winter energy demand, while higher cooling degree days indicate greater summer cooling needs.
Where does this Vista climate data come from?
All climate data comes from NOAA U.S. Climate Normals v1.0.1, covering the 30-year period from 1991 to 2020. Data is collected from weather station USC00049378. These 30-year averages are the standard reference for typical weather conditions.

Data Sources

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

Related

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