PlainClimate
NOAA 1991–2020 normals 64°F annual avg Public-domain federal data

Hesperia, CA Climate

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

64°F
Avg annual temp
72/100
Comfort score
7.8"
Annual precip
276d
Growing season

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

The climate verdict for Hesperia

Hesperia, California averages 64°F a year and scores 72/100 on the comfort index - good, milder than 66% of U.S. cities.

64°F
average temperature, NOAA 1991-2020 normal
72/100
comfort score, milder than 66% of U.S. cities
7.8"
precipitation, annual total
276 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

64°F (18°C)

Avg High

78°F

Avg Low

50°F

Annual Precip

7.8"

Comfort Score

72/100

Good

Climate Comfort Score

72/100

Good

Avg Annual Temperature

64°F

30-year mean (NOAA NCEI)

Annual Precipitation

7.8"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Hesperia) 72.0%
National median (63)

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

How Hesperia compares to every U.S. city

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

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

72 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%). 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 Hesperia

Methodology

Zooming out from Hesperia's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.

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 60°F (16°C) 37°F (3°C) 48°F (9°C)
February 62°F (17°C) 39°F (4°C) 50°F (10°C)
March 69°F (21°C) 42°F (5°C) 55°F (13°C)
April 75°F (24°C) 46°F (8°C) 60°F (16°C)
May 82°F (28°C) 53°F (11°C) 67°F (20°C)
June 92°F (33°C) 59°F (15°C) 76°F (24°C)
July 97°F (36°C) 65°F (18°C) 81°F (27°C)
August 97°F (36°C) 65°F (18°C) 81°F (27°C)
September 91°F (33°C) 61°F (16°C) 76°F (25°C)
October 81°F (27°C) 51°F (11°C) 66°F (19°C)
November 67°F (20°C) 42°F (5°C) 55°F (13°C)
December 59°F (15°C) 35°F (2°C) 47°F (8°C)

Monthly Precipitation

Average monthly rainfall

January 1.5"
February 1.6"
March 1.3"
April 0.5"
May 0.1"
June 0.1"
July 0.2"
August 0.1"
September 0.2"
October 0.6"
November 0.5"
December 1.2"

Frost Dates & Growing Season

First Fall Freeze

December 1

50% probability date

Last Spring Freeze

February 28

50% probability date

Growing Season

276 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,414

Higher = more heating needed

Cooling Degree Days

1,924

Higher = more cooling needed

Warmest Month

August

Coldest Month

December

What Hesperia's climate means for you

Hesperia runs 64°F a year - peaking in August, coldest in December.

  • Gardeners get about 276 frost-free days, with the last spring freeze near February 28 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,414 heating and 1,924 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: Hesperia, CA

The NOAA 1991–2020 climate normals describe Hesperia, California as a location with an annual average temperature of 64°F, ranging from a mean daily high of 78°F to a mean daily low of 50°F. August is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USC00043937, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Beyond temperature, Hesperia averages 7.8 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 276 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near February 28 and the first fall freeze near December 1. Turning to energy use, 2,414 heating degree days and 1,924 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Hesperia scores 72/100 (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 December-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 Hesperia, CA?
The average annual temperature in Hesperia, California is 64°F. The warmest month averages 97°F (36°C) and the coldest averages 35°F (2°C).
How much rain does Hesperia get?
Hesperia receives 7.8 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Hesperia?
Hesperia has a climate comfort score of 72/100 (Good), milder than 66% of U.S. cities in the PlainClimate database.
When is the growing season in Hesperia?
Hesperia has approximately 276 frost-free days per year, with the last spring freeze around February 28 and the first fall freeze around December 1.
How much energy does heating and cooling require in Hesperia?
Hesperia has 2,414 heating degree days and 1,924 cooling degree days annually, a fairly balanced heating/cooling split. 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 Hesperia climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00043937 near Hesperia.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00043937. 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.