PlainClimate
NOAA 1991–2020 normals 57°F annual avg Public-domain federal data

Watsonville Muni, CA Climate

Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →

57°F
Avg annual temp
85/100
Comfort score
22.4"
Annual precip
312d
Growing season

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

The climate verdict for Watsonville Muni

Watsonville Muni, California averages 57°F a year and scores 85/100 on the comfort index - excellent, milder than 89% of U.S. cities.

57°F
annual average temperature (NOAA normal)
85/100
comfort score, milder than 89% of U.S. cities
22.4"
annual precipitation
312 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

57°F (14°C)

Avg High

68°F

Avg Low

46°F

Annual Precip

22.4"

Comfort Score

85/100

Excellent

Climate Comfort Score

85/100

Excellent

Avg Annual Temperature

57°F

30-year mean (NOAA NCEI)

Annual Precipitation

22.4"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Watsonville Muni) 85.0%
National median (63)

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

How Watsonville Muni compares to every U.S. city

Watsonville Muni's comfort score vs. all U.S. cities

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

85 Top 11% higher than 89% 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%). Below this entry. 80–90: 778 US cities (11%). This entry sits in this band. 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 Watsonville Muni

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Watsonville Muni'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 61°F (16°C) 40°F (5°C) 51°F (10°C)
February 62°F (17°C) 42°F (5°C) 52°F (11°C)
March 64°F (18°C) 43°F (6°C) 54°F (12°C)
April 66°F (19°C) 45°F (7°C) 56°F (13°C)
May 69°F (21°C) 48°F (9°C) 58°F (15°C)
June 72°F (22°C) 50°F (10°C) 61°F (16°C)
July 72°F (22°C) 53°F (11°C) 63°F (17°C)
August 73°F (23°C) 53°F (12°C) 63°F (17°C)
September 75°F (24°C) 52°F (11°C) 64°F (18°C)
October 74°F (23°C) 48°F (9°C) 61°F (16°C)
November 67°F (19°C) 43°F (6°C) 55°F (13°C)
December 61°F (16°C) 39°F (4°C) 50°F (10°C)

Monthly Precipitation

Average monthly rainfall

January 4.6"

8.8 days with precipitation

February 4.0"

9.9 days with precipitation

March 4.3"

10.4 days with precipitation

April 1.3"

6.8 days with precipitation

May 0.9"

3.3 days with precipitation

June 0.2"

1.5 days with precipitation

July 0.0"

2.0 days with precipitation

August 0.0"

1.7 days with precipitation

September 0.1"

2.1 days with precipitation

October 0.8"

4.2 days with precipitation

November 2.1"

7.7 days with precipitation

December 4.0"

9.7 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

December 9

50% probability date

Last Spring Freeze

January 31

50% probability date

Growing Season

312 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,962

Higher = more heating needed

Cooling Degree Days

126

Higher = more cooling needed

Warmest Month

September

Coldest Month

December

What Watsonville Muni's climate means for you

Watsonville Muni runs 57°F a year - peaking in September, coldest in December.

  • Gardeners get about 312 frost-free days, with the last spring freeze near January 31 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,962 heating and 126 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: Watsonville Muni, CA

Watsonville Muni, California runs an annual average of 57°F, ranging from a mean daily high of 68°F to a mean daily low of 46°F, per NOAA's 1991–2020 climate normals. September is typically the warmest month of the year, while December is the coldest. Drawn from station USW00023277, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Anyone planning to live, garden, or travel in Watsonville Muni should weigh precipitation alongside temperature: the annual average runs 22.4 inches, predominantly as rainfall. The frost-free season averages 312 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 31 and the first fall freeze near December 9. And on the energy front, 2,962 heating degree days and 126 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 Muni scores 85/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, September-driven heat peaks in summer, and December-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.

Frequently Asked Questions

What is the average temperature in Watsonville Muni, CA?
The average annual temperature in Watsonville Muni, California is 57°F. The warmest month averages 75°F (24°C) and the coldest averages 39°F (4°C).
How much rain does Watsonville Muni get?
Watsonville Muni receives 22.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Watsonville Muni?
Watsonville Muni has a climate comfort score of 85/100 (Excellent), milder than 89% of U.S. cities in the PlainClimate database.
When is the growing season in Watsonville Muni?
Watsonville Muni has approximately 312 frost-free days per year, with the last spring freeze around January 31 and the first fall freeze around December 9.
How much energy does heating and cooling require in Watsonville Muni?
Watsonville Muni has 2,962 heating degree days and 126 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 Watsonville Muni climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00023277 near Watsonville Muni.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00023277. 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.