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

Santa Monica Muni, CA Climate

Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →

63°F
Avg annual temp
77/100
Comfort score
13.4"
Annual precip

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

The climate verdict for Santa Monica Muni

Santa Monica Muni, California averages 63°F a year and scores 77/100 on the comfort index - good, milder than 72% of U.S. cities.

63°F
yearly average temperature, NOAA normal
77/100
comfort score, milder than 72% of U.S. cities
13.4"
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

70°F

Avg Low

55°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 (Santa Monica Muni) 77.0%
National median (63)

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

How Santa Monica Muni compares to every U.S. city

Santa Monica Muni's comfort score vs. all U.S. cities

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

77 Top 28% higher than 72% 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 Santa Monica Muni

Methodology

Santa Monica Muni's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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) 49°F (9°C) 57°F (14°C)
February 66°F (19°C) 49°F (9°C) 57°F (14°C)
March 66°F (19°C) 51°F (11°C) 59°F (15°C)
April 68°F (20°C) 53°F (12°C) 60°F (16°C)
May 69°F (21°C) 57°F (14°C) 63°F (17°C)
June 71°F (22°C) 60°F (15°C) 66°F (19°C)
July 75°F (24°C) 63°F (17°C) 69°F (21°C)
August 77°F (25°C) 63°F (17°C) 70°F (21°C)
September 76°F (24°C) 62°F (17°C) 69°F (21°C)
October 74°F (23°C) 58°F (15°C) 66°F (19°C)
November 70°F (21°C) 52°F (11°C) 61°F (16°C)
December 66°F (19°C) 48°F (9°C) 57°F (14°C)

Monthly Precipitation

Average monthly rainfall

January 3.3"

5.4 days with precipitation

February 3.3"

6.3 days with precipitation

March 2.1"

5.0 days with precipitation

April 0.6"

2.7 days with precipitation

May 0.3"

1.8 days with precipitation

June 0.1"

0.3 days with precipitation

July 0.0"

0.5 days with precipitation

August 0.0"

0.4 days with precipitation

September 0.1"

1.0 days with precipitation

October 0.6"

3.7 days with precipitation

November 0.8"

4.0 days with precipitation

December 2.3"

6.5 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

1,388

Higher = more heating needed

Cooling Degree Days

613

Higher = more cooling needed

Warmest Month

August

Coldest Month

December

What Santa Monica Muni's climate means for you

Santa Monica Muni runs 63°F a year - peaking in August, coldest in December.

  • Energy bills track 1,388 heating and 613 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: Santa Monica Muni, CA

Santa Monica Muni, California runs an annual average of 63°F, ranging from a mean daily high of 70°F to a mean daily low of 55°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while December is the coldest. Drawn from station USW00093197, 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 Santa Monica Muni should weigh precipitation alongside temperature: the annual average runs 13.4 inches, predominantly as rainfall. Growing-season length varies with elevation and microclimate. And on the energy front, 1,388 heating degree days and 613 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Santa Monica Muni 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 Santa Monica Muni, CA?
The average annual temperature in Santa Monica Muni, California is 63°F. The warmest month averages 77°F (25°C) and the coldest averages 48°F (9°C).
How much rain does Santa Monica Muni get?
Santa Monica Muni receives 13.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Santa Monica Muni?
Santa Monica Muni has a climate comfort score of 77/100 (Good), milder than 72% of U.S. cities in the PlainClimate database.
When is the growing season in Santa Monica Muni?
Growing season data is not available for Santa Monica Muni.
How much energy does heating and cooling require in Santa Monica Muni?
Santa Monica Muni has 1,388 heating degree days and 613 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 Santa Monica Muni climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00093197 near Santa Monica Muni.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00093197. 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.