PlainClimate
NOAA 1991–2020 normals 55°F annual avg Public-domain federal data

Tehachapi, CA Climate

Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score

55°F
Avg annual temp
58/100
Comfort score
12.7"
Annual precip
181d
Growing season

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

The climate verdict for Tehachapi

Tehachapi, California averages 55°F a year and scores 58/100 on the comfort index - moderate, milder than 38% of U.S. cities.

55°F
average temperature, NOAA 1991-2020 normal
58/100
comfort score, milder than 38% of U.S. cities
12.7"
precipitation, annual total
181 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

55°F (13°C)

Avg High

67°F

Avg Low

42°F

Annual Precip

12.7"

Comfort Score

58/100

Moderate

Climate Comfort Score

58/100

Moderate

Avg Annual Temperature

55°F

30-year mean (NOAA NCEI)

Annual Precipitation

12.7"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Tehachapi) 58.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Tehachapi area.

How Tehachapi compares to every U.S. city

Tehachapi's comfort score vs. all U.S. cities

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

58 Top 62% higher than 38% 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%). This entry sits in this band. 60–70: 1,357 US cities (20%). Above this entry. 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 Tehachapi

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Tehachapi'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 52°F (11°C) 32°F (0°C) 42°F (5°C)
February 53°F (11°C) 31°F (0°C) 42°F (6°C)
March 57°F (14°C) 34°F (1°C) 45°F (7°C)
April 61°F (16°C) 37°F (3°C) 49°F (9°C)
May 69°F (21°C) 44°F (7°C) 57°F (14°C)
June 79°F (26°C) 52°F (11°C) 66°F (19°C)
July 86°F (30°C) 58°F (14°C) 72°F (22°C)
August 86°F (30°C) 57°F (14°C) 71°F (22°C)
September 81°F (27°C) 51°F (10°C) 66°F (19°C)
October 71°F (21°C) 43°F (6°C) 57°F (14°C)
November 59°F (15°C) 37°F (3°C) 48°F (9°C)
December 51°F (10°C) 31°F (-1°C) 41°F (5°C)

Monthly Precipitation

Average monthly rainfall

January 2.4"
February 3.0"
March 2.0"
April 0.8"
May 0.4"
June 0.1"
July 0.3"
August 0.1"
September 0.1"
October 0.5"
November 0.9"
December 2.1"

Frost Dates & Growing Season

First Fall Freeze

October 26

50% probability date

Last Spring Freeze

April 28

50% probability date

Growing Season

181 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

4,443

Higher = more heating needed

Cooling Degree Days

631

Higher = more cooling needed

Warmest Month

July

Coldest Month

December

What Tehachapi's climate means for you

Tehachapi runs 55°F a year - peaking in July, coldest in December.

  • Gardeners get about 181 frost-free days, with the last spring freeze near April 28 - plan the planting calendar around it, not the regional average.
  • Energy bills track 4,443 heating and 631 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: Tehachapi, CA

An annual average temperature of 55°F, ranging from a mean daily high of 67°F to a mean daily low of 42°F is what the NOAA 1991–2020 climate normals report for Tehachapi, California. July is typically the warmest month of the year, while December is the coldest. That baseline comes from station USC00048829 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Tehachapi averages 12.7 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 181 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 28 and the first fall freeze near October 26. As for energy demand, 4,443 heating degree days and 631 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Tehachapi scores 58/100 (Moderate), 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 July-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 Tehachapi, CA?
The average annual temperature in Tehachapi, California is 55°F. The warmest month averages 86°F (30°C) and the coldest averages 31°F (-1°C).
How much rain does Tehachapi get?
Tehachapi receives 12.7 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Tehachapi?
Tehachapi has a climate comfort score of 58/100 (Moderate), milder than 38% of U.S. cities in the PlainClimate database.
When is the growing season in Tehachapi?
Tehachapi has approximately 181 frost-free days per year, with the last spring freeze around April 28 and the first fall freeze around October 26.
How much energy does heating and cooling require in Tehachapi?
Tehachapi has 4,443 heating degree days and 631 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 Tehachapi climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00048829 near Tehachapi.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00048829. 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.