PlainClimate
NOAA 1991–2020 normals 67°F annual avg Public-domain federal data

Riverside Fire Stn, CA Climate

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

67°F
Avg annual temp
90/100
Comfort score
10.0"
Annual precip
350d
Growing season

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

The climate verdict for Riverside Fire Stn

Riverside Fire Stn, California averages 67°F a year and scores 90/100 on the comfort index - excellent, milder than 94% of U.S. cities.

67°F
yearly average temperature, NOAA normal
90/100
comfort score, milder than 94% of U.S. cities
10.0"
yearly precipitation total
350 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

67°F (19°C)

Avg High

81°F

Avg Low

53°F

Annual Precip

10.0"

Annual Snow

0.0"

Comfort Score

90/100

Excellent

Climate Comfort Score

90/100

Excellent

Avg Annual Temperature

67°F

30-year mean (NOAA NCEI)

Annual Precipitation

10.0"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Riverside Fire Stn) 90.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Riverside Fire Stn area.

How Riverside Fire Stn compares to every U.S. city

Riverside Fire Stn's comfort score vs. all U.S. cities

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

90 Top 6% higher than 94% 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%). Below this entry. 80–90: 778 US cities (11%). Below this entry. 90–100: 420 US cities (6%). This entry sits in this band. 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 Riverside Fire Stn

Methodology

Riverside Fire Stn'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 70°F (21°C) 43°F (6°C) 56°F (14°C)
February 70°F (21°C) 44°F (7°C) 57°F (14°C)
March 73°F (23°C) 46°F (8°C) 60°F (15°C)
April 78°F (26°C) 50°F (10°C) 64°F (18°C)
May 81°F (27°C) 55°F (13°C) 68°F (20°C)
June 89°F (32°C) 59°F (15°C) 74°F (23°C)
July 95°F (35°C) 64°F (18°C) 80°F (26°C)
August 97°F (36°C) 65°F (18°C) 81°F (27°C)
September 93°F (34°C) 62°F (17°C) 77°F (25°C)
October 84°F (29°C) 55°F (13°C) 69°F (21°C)
November 76°F (25°C) 47°F (8°C) 61°F (16°C)
December 69°F (21°C) 42°F (6°C) 56°F (13°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 2.2"

5.3 days with precipitation

February 2.5"

5.8 days with precipitation

March 1.6"

4.5 days with precipitation

April 0.6"

2.3 days with precipitation

May 0.2"

1.5 days with precipitation

June 0.1"

0.3 days with precipitation

July 0.1"

0.7 days with precipitation

August 0.1"

0.3 days with precipitation

September 0.1"

0.3 days with precipitation

October 0.4"

1.3 days with precipitation

November 0.7"

2.2 days with precipitation

December 1.4"

3.9 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

December 25

50% probability date

Last Spring Freeze

January 9

50% probability date

Growing Season

350 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

1,258

Higher = more heating needed

Cooling Degree Days

1,977

Higher = more cooling needed

Warmest Month

August

Coldest Month

December

What Riverside Fire Stn's climate means for you

Riverside Fire Stn runs 67°F a year - peaking in August, coldest in December.

  • Gardeners get about 350 frost-free days, with the last spring freeze near January 9 - plan the planting calendar around it, not the regional average.
  • Energy bills track 1,258 heating and 1,977 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: Riverside Fire Stn, CA

In Riverside Fire Stn, California, the NOAA 1991–2020 climate normals put the annual average temperature at 67°F, ranging from a mean daily high of 81°F to a mean daily low of 53°F. August is typically the warmest month of the year, while December is the coldest. As thirty-year averages computed from station USC00047470, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Anyone planning to live, garden, or travel in Riverside Fire Stn should weigh precipitation alongside temperature: the annual average runs 10.0 inches, with negligible snowfall. The frost-free season averages 350 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 9 and the first fall freeze near December 25. And on the energy front, 1,258 heating degree days and 1,977 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Riverside Fire Stn scores 90/100 (Excellent), 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 Riverside Fire Stn, CA?
The average annual temperature in Riverside Fire Stn, California is 67°F. The warmest month averages 97°F (36°C) and the coldest averages 42°F (6°C).
How much rain does Riverside Fire Stn get?
Riverside Fire Stn receives 10.0 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Riverside Fire Stn?
Riverside Fire Stn has a climate comfort score of 90/100 (Excellent), milder than 94% of U.S. cities in the PlainClimate database.
When is the growing season in Riverside Fire Stn?
Riverside Fire Stn has approximately 350 frost-free days per year, with the last spring freeze around January 9 and the first fall freeze around December 25.
How much energy does heating and cooling require in Riverside Fire Stn?
Riverside Fire Stn has 1,258 heating degree days and 1,977 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 Riverside Fire Stn climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00047470 near Riverside Fire Stn.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00047470. 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.