PlainClimate
NOAA 1991–2020 normals 60°F annual avg Public-domain federal data

Morro Bay Fire Dept, CA Climate

Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →

60°F
Avg annual temp
69/100
Comfort score
17.0"
Annual precip
-5d
Growing season

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

The climate verdict for Morro Bay Fire Dept

Morro Bay Fire Dept, California averages 60°F a year and scores 69/100 on the comfort index - good, milder than 66% of U.S. cities.

60°F
annual average temperature (NOAA normal)
69/100
comfort score, milder than 66% of U.S. cities
17.0"
annual precipitation
-5 days
growing season, frost-free days

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

60°F (15°C)

Avg High

68°F

Avg Low

51°F

Annual Precip

17.0"

Annual Snow

0.1"

Comfort Score

69/100

Good

Climate Comfort Score

69/100

Good

Avg Annual Temperature

60°F

30-year mean (NOAA NCEI)

Annual Precipitation

17.0"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Morro Bay Fire Dept) 69.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Morro Bay Fire Dept area.

How Morro Bay Fire Dept compares to every U.S. city

Morro Bay Fire Dept's comfort score vs. all U.S. cities

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

69 Top 34% higher than 66% 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%). This entry sits in this band. 70–80: 1,102 US cities (16%). Above this entry. 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 Morro Bay Fire Dept

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Morro Bay Fire Dept'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 65°F (18°C) 46°F (8°C) 56°F (13°C)
February 65°F (19°C) 48°F (9°C) 57°F (14°C)
March 66°F (19°C) 49°F (9°C) 57°F (14°C)
April 67°F (20°C) 49°F (10°C) 58°F (15°C)
May 67°F (19°C) 52°F (11°C) 59°F (15°C)
June 66°F (19°C) 54°F (12°C) 60°F (16°C)
July 67°F (20°C) 57°F (14°C) 62°F (17°C)
August 70°F (21°C) 57°F (14°C) 63°F (17°C)
September 72°F (22°C) 56°F (13°C) 64°F (18°C)
October 73°F (23°C) 54°F (12°C) 64°F (18°C)
November 69°F (21°C) 50°F (10°C) 60°F (15°C)
December 65°F (18°C) 46°F (8°C) 55°F (13°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 3.6"

Snow: 0.1"

7.0 days with precipitation

February 3.6"

8.3 days with precipitation

March 3.2"

7.0 days with precipitation

April 1.0"

4.1 days with precipitation

May 0.4"

1.8 days with precipitation

June 0.2"

0.4 days with precipitation

July 0.1"

0.4 days with precipitation

August 0.0"

0.3 days with precipitation

September 0.1"

0.7 days with precipitation

October 0.7"

2.1 days with precipitation

November 1.3"

3.4 days with precipitation

December 2.8"

6.6 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

January 14

50% probability date

Last Spring Freeze

January 19

50% probability date

Growing Season

-5 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,194

Higher = more heating needed

Cooling Degree Days

208

Higher = more cooling needed

Warmest Month

September

Coldest Month

December

What Morro Bay Fire Dept's climate means for you

Morro Bay Fire Dept runs 60°F a year - peaking in September, coldest in December.

  • Gardeners get about -5 frost-free days, with the last spring freeze near January 19 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,194 heating and 208 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: Morro Bay Fire Dept, CA

Based on station USC00045866 feeding NOAA's 1991–2020 climate normals, Morro Bay Fire Dept, California averages 60°F a year, ranging from a mean daily high of 68°F to a mean daily low of 51°F. September 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.

Anyone planning to live, garden, or travel in Morro Bay Fire Dept should weigh precipitation alongside temperature: the annual average runs 17.0 inches, with negligible snowfall. The frost-free season averages -5 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 19 and the first fall freeze near January 14. And on the energy front, 2,194 heating degree days and 208 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Morro Bay Fire Dept scores 69/100 (Good), 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 Morro Bay Fire Dept, CA?
The average annual temperature in Morro Bay Fire Dept, California is 60°F. The warmest month averages 73°F (23°C) and the coldest averages 46°F (8°C).
How much rain does Morro Bay Fire Dept get?
Morro Bay Fire Dept receives 17.0 inches of precipitation annually, including 0.1 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Morro Bay Fire Dept?
Morro Bay Fire Dept has a climate comfort score of 69/100 (Good), milder than 66% of U.S. cities in the PlainClimate database.
When is the growing season in Morro Bay Fire Dept?
Morro Bay Fire Dept has approximately -5 frost-free days per year, with the last spring freeze around January 19 and the first fall freeze around January 14.
How much energy does heating and cooling require in Morro Bay Fire Dept?
Morro Bay Fire Dept has 2,194 heating degree days and 208 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 Morro Bay Fire Dept climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00045866 near Morro Bay Fire Dept.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00045866. 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.