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

Palomar Mtn Obsy, CA Climate

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

57°F
Avg annual temp
73/100
Comfort score
30.4"
Annual precip
203d
Growing season

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

The climate verdict for Palomar Mtn Obsy

Palomar Mtn Obsy, California averages 57°F a year and scores 73/100 on the comfort index - good, milder than 68% of U.S. cities.

57°F
annual average temperature (NOAA normal)
73/100
comfort score, milder than 68% of U.S. cities
30.4"
annual precipitation · 26" snow
203 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

66°F

Avg Low

48°F

Annual Precip

30.4"

Annual Snow

26.2"

Comfort Score

73/100

Good

Climate Comfort Score

73/100

Good

Avg Annual Temperature

57°F

30-year mean (NOAA NCEI)

Annual Precipitation

30.4"

Plus 26.2" of snow

Comfort score vs national 100-point ceiling (Palomar Mtn Obsy) 73.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Palomar Mtn Obsy area.

How Palomar Mtn Obsy compares to every U.S. city

Palomar Mtn Obsy's comfort score vs. all U.S. cities

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

73 Top 32% higher than 68% 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 Palomar Mtn Obsy

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Palomar Mtn Obsy'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 51°F (11°C) 37°F (3°C) 44°F (7°C)
February 51°F (11°C) 36°F (2°C) 44°F (6°C)
March 56°F (13°C) 39°F (4°C) 47°F (8°C)
April 61°F (16°C) 42°F (5°C) 52°F (11°C)
May 69°F (21°C) 48°F (9°C) 59°F (15°C)
June 79°F (26°C) 57°F (14°C) 68°F (20°C)
July 84°F (29°C) 64°F (18°C) 74°F (23°C)
August 84°F (29°C) 65°F (18°C) 75°F (24°C)
September 79°F (26°C) 60°F (15°C) 69°F (21°C)
October 69°F (21°C) 51°F (10°C) 60°F (16°C)
November 58°F (15°C) 43°F (6°C) 50°F (10°C)
December 51°F (10°C) 37°F (3°C) 44°F (7°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 5.9"

Snow: 6.2"

6.8 days with precipitation

February 7.3"

Snow: 10.6"

7.5 days with precipitation

March 4.6"

Snow: 3.1"

6.1 days with precipitation

April 2.0"

Snow: 3.5"

3.8 days with precipitation

May 0.9"

2.1 days with precipitation

June 0.2"

0.4 days with precipitation

July 0.3"

1.1 days with precipitation

August 0.7"

1.3 days with precipitation

September 0.5"

1.3 days with precipitation

October 1.2"

2.2 days with precipitation

November 2.3"

Snow: 0.4"

3.4 days with precipitation

December 4.6"

Snow: 2.4"

6.0 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 18

50% probability date

Last Spring Freeze

April 29

50% probability date

Growing Season

203 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

3,835

Higher = more heating needed

Cooling Degree Days

981

Higher = more cooling needed

Warmest Month

August

Coldest Month

February

What Palomar Mtn Obsy's climate means for you

Palomar Mtn Obsy runs 57°F a year - peaking in August, coldest in February.

  • Gardeners get about 203 frost-free days, with the last spring freeze near April 29 - plan the planting calendar around it, not the regional average.
  • Energy bills track 3,835 heating and 981 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: Palomar Mtn Obsy, CA

Palomar Mtn Obsy, California runs an annual average of 57°F, ranging from a mean daily high of 66°F to a mean daily low of 48°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while February is the coldest. Drawn from station USC00046657, 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 Palomar Mtn Obsy should weigh precipitation alongside temperature: the annual average runs 30.4 inches, with 26.2 inches typically falling as snow. The frost-free season averages 203 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 29 and the first fall freeze near November 18. And on the energy front, 3,835 heating degree days and 981 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Palomar Mtn Obsy scores 73/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings August-driven heat, and deep winter brings February-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in Palomar Mtn Obsy, CA?
The average annual temperature in Palomar Mtn Obsy, California is 57°F. The warmest month averages 84°F (29°C) and the coldest averages 36°F (2°C).
How much rain does Palomar Mtn Obsy get?
Palomar Mtn Obsy receives 30.4 inches of precipitation annually, including 26.2 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Palomar Mtn Obsy?
Palomar Mtn Obsy has a climate comfort score of 73/100 (Good), milder than 68% of U.S. cities in the PlainClimate database.
When is the growing season in Palomar Mtn Obsy?
Palomar Mtn Obsy has approximately 203 frost-free days per year, with the last spring freeze around April 29 and the first fall freeze around November 18.
How much energy does heating and cooling require in Palomar Mtn Obsy?
Palomar Mtn Obsy has 3,835 heating degree days and 981 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 Palomar Mtn Obsy climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00046657 near Palomar Mtn Obsy.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00046657. 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.