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Watsonville Wtr Wks, CA Climate

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

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

Watsonville Wtr Wks, California has an average annual temperature of 58°F and a climate comfort score of 82/100 (Excellent). Annual precipitation totals 22.7". Based on NOAA 30-year normals (1991–2020).

Avg Temperature

58°F (14°C)

Avg High

68°F

Avg Low

47°F

Annual Precip

22.7"

Annual Snow

0.0"

Comfort Score

82/100

Excellent

Climate Comfort Score

82/100

Excellent

Avg Annual Temperature

58°F

30-year mean (NOAA NCEI)

Annual Precipitation

22.7"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Watsonville Wtr Wks) 82.0%
National median (≈55)

PlainClimate composite — temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Watsonville Wtr Wks area.

Warming context for Watsonville Wtr Wks

Methodology

How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Watsonville Wtr Wks 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 62°F (17°C) 40°F (4°C) 51°F (11°C)
February 63°F (17°C) 42°F (5°C) 52°F (11°C)
March 65°F (18°C) 43°F (6°C) 54°F (12°C)
April 68°F (20°C) 45°F (7°C) 56°F (14°C)
May 69°F (21°C) 49°F (9°C) 59°F (15°C)
June 71°F (22°C) 52°F (11°C) 61°F (16°C)
July 71°F (22°C) 54°F (12°C) 63°F (17°C)
August 72°F (22°C) 55°F (13°C) 63°F (17°C)
September 74°F (23°C) 53°F (12°C) 64°F (18°C)
October 74°F (23°C) 49°F (9°C) 61°F (16°C)
November 68°F (20°C) 43°F (6°C) 56°F (13°C)
December 62°F (17°C) 39°F (4°C) 51°F (10°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 4.4"

10.5 days with precipitation

February 4.5"

10.7 days with precipitation

March 3.6"

9.9 days with precipitation

April 1.6"

6.2 days with precipitation

May 0.6"

3.4 days with precipitation

June 0.1"

1.2 days with precipitation

July 0.0"

0.6 days with precipitation

August 0.0"

0.8 days with precipitation

September 0.1"

0.7 days with precipitation

October 1.0"

3.3 days with precipitation

November 2.3"

6.5 days with precipitation

December 4.5"

10.3 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

December 13

50% probability date

Last Spring Freeze

January 28

50% probability date

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,830

Higher = more heating needed

Cooling Degree Days

138

Higher = more cooling needed

Warmest Month

September

Coldest Month

December

Related Data

Climate Guides

Climate Insight: Watsonville Wtr Wks, CA

The NOAA 1991–2020 climate normals describe Watsonville Wtr Wks, California as a location with an annual average temperature of 58°F, ranging from a mean daily high of 68°F to a mean daily low of 47°F. September is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USC00049473, 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. Watsonville Wtr Wks receives roughly 22.7 inches of precipitation each year, with seasonal snowfall possible. Growing-season length varies with elevation and microclimate, with the last spring freeze near January 28 and the first fall freeze near December 13. For energy use, 2,830 heating degree days and 138 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Watsonville Wtr Wks scores 82/100 (Excellent), 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 September-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 Watsonville Wtr Wks, CA?
The average annual temperature in Watsonville Wtr Wks, California is 58°F. The warmest month averages 74°F (23°C) and the coldest averages 39°F (4°C).
How much rain does Watsonville Wtr Wks get?
Watsonville Wtr Wks receives 22.7 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Watsonville Wtr Wks?
Watsonville Wtr Wks has a climate comfort score of 82/100 (Excellent). This score considers temperature mildness, humidity, precipitation, and extreme weather frequency.
When is the growing season in Watsonville Wtr Wks?
Growing season data is not available for Watsonville Wtr Wks.
How much energy does heating and cooling require in Watsonville Wtr Wks?
Watsonville Wtr Wks has 2,830 heating degree days and 138 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 Watsonville Wtr Wks 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 USC00049473. 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: USC00049473. For informational purposes only.

Related

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