PlainClimate
NOAA 1991–2020 normals 53°F annual avg Public-domain federal data

Peoria Gtr Peoria, IL Climate

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

53°F
Avg annual temp
63/100
Comfort score
37.5"
Annual precip
190d
Growing season

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

The climate verdict for Peoria Gtr Peoria

Peoria Gtr Peoria, Illinois averages 53°F a year and scores 63/100 on the comfort index - good, milder than 47% of U.S. cities.

53°F
yearly average temperature, NOAA normal
63/100
comfort score, milder than 47% of U.S. cities
37.5"
annual precipitation · 26" snow
190 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

53°F (12°C)

Avg High

62°F

Avg Low

43°F

Annual Precip

37.5"

Annual Snow

26.2"

Comfort Score

63/100

Good

Climate Comfort Score

63/100

Good

Avg Annual Temperature

53°F

30-year mean (NOAA NCEI)

Annual Precipitation

37.5"

Plus 26.2" of snow

Comfort score vs national 100-point ceiling (Peoria Gtr Peoria) 63.0%
National median (63)

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

How Peoria Gtr Peoria compares to every U.S. city

Peoria Gtr Peoria's comfort score vs. all U.S. cities

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

63 Top 53% higher than 47% 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 Peoria Gtr Peoria

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Peoria Gtr Peoria'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 34°F (1°C) 18°F (-8°C) 26°F (-4°C)
February 39°F (4°C) 21°F (-6°C) 30°F (-1°C)
March 51°F (11°C) 32°F (0°C) 41°F (5°C)
April 64°F (18°C) 42°F (6°C) 53°F (12°C)
May 74°F (23°C) 53°F (12°C) 64°F (18°C)
June 83°F (28°C) 62°F (17°C) 73°F (23°C)
July 86°F (30°C) 66°F (19°C) 76°F (25°C)
August 85°F (29°C) 64°F (18°C) 75°F (24°C)
September 78°F (26°C) 56°F (13°C) 67°F (20°C)
October 65°F (19°C) 44°F (7°C) 55°F (13°C)
November 51°F (10°C) 33°F (1°C) 42°F (5°C)
December 39°F (4°C) 23°F (-5°C) 31°F (-1°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 2.1"

Snow: 7.7"

9.9 days with precipitation

February 2.0"

Snow: 6.9"

9.2 days with precipitation

March 2.7"

Snow: 3.3"

10.5 days with precipitation

April 4.0"

Snow: 0.5"

11.6 days with precipitation

May 4.7"

12.5 days with precipitation

June 3.7"

10.5 days with precipitation

July 3.5"

8.7 days with precipitation

August 3.3"

8.4 days with precipitation

September 3.5"

7.6 days with precipitation

October 3.2"

Snow: 0.1"

9.5 days with precipitation

November 2.7"

Snow: 1.5"

9.1 days with precipitation

December 2.2"

Snow: 6.2"

9.7 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

October 23

50% probability date

Last Spring Freeze

April 16

50% probability date

Growing Season

190 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

5,614

Higher = more heating needed

Cooling Degree Days

1,157

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

Humidity & Wind

Monthly averages from hourly observations

Month Humidity Wind (mph)
January 74% 8.7
February 70% 9.3
March 62% 10.0
April 63% 9.1
May 67% 7.6
June 69% 6.8
July 72% 5.8
August 72% 6.1
September 68% 7.0
October 69% 8.5
November 74% 8.8
December 76% 8.7

What Peoria Gtr Peoria's climate means for you

Peoria Gtr Peoria runs 53°F a year - peaking in July, coldest in January.

  • Gardeners get about 190 frost-free days, with the last spring freeze near April 16 - plan the planting calendar around it, not the regional average.
  • Energy bills track 5,614 heating and 1,157 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: Peoria Gtr Peoria, IL

Based on station USW00014842 feeding NOAA's 1991–2020 climate normals, Peoria Gtr Peoria, Illinois averages 53°F a year, ranging from a mean daily high of 62°F to a mean daily low of 43°F. July is typically the warmest month of the year, while January 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.

Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Peoria Gtr Peoria sees about 37.5 inches of precipitation a year, with 26.2 inches typically falling as snow. The frost-free season averages 190 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 16 and the first fall freeze near October 23. On the energy side, 5,614 heating degree days and 1,157 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Peoria Gtr Peoria scores 63/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.

Frequently Asked Questions

What is the average temperature in Peoria Gtr Peoria, IL?
The average annual temperature in Peoria Gtr Peoria, Illinois is 53°F. The warmest month averages 86°F (30°C) and the coldest averages 18°F (-8°C).
How much rain does Peoria Gtr Peoria get?
Peoria Gtr Peoria receives 37.5 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 Peoria Gtr Peoria?
Peoria Gtr Peoria has a climate comfort score of 63/100 (Good), milder than 47% of U.S. cities in the PlainClimate database.
When is the growing season in Peoria Gtr Peoria?
Peoria Gtr Peoria has approximately 190 frost-free days per year, with the last spring freeze around April 16 and the first fall freeze around October 23.
How much energy does heating and cooling require in Peoria Gtr Peoria?
Peoria Gtr Peoria has 5,614 heating degree days and 1,157 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 Peoria Gtr Peoria climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00014842 near Peoria Gtr Peoria.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00014842. 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.