PlainClimate
NOAA 1991–2020 normals 52°F annual avg Public-domain federal data

Rushville, IL Climate

Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →

52°F
Avg annual temp
68/100
Comfort score
40.9"
Annual precip
190d
Growing season

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

The climate verdict for Rushville

Rushville, Illinois averages 52°F a year and scores 68/100 on the comfort index - good, milder than 58% of U.S. cities.

52°F
average temperature, NOAA 1991-2020 normal
68/100
comfort score, milder than 58% of U.S. cities
40.9"
annual precipitation
190 days
frost-free days per growing season

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

52°F (11°C)

Avg High

61°F

Avg Low

42°F

Annual Precip

40.9"

Comfort Score

68/100

Good

Climate Comfort Score

68/100

Good

Avg Annual Temperature

52°F

30-year mean (NOAA NCEI)

Annual Precipitation

40.9"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Rushville) 68.0%
National median (63)

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

How Rushville compares to every U.S. city

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

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

68 Top 42% higher than 58% 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 Rushville

Methodology

Rushville'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 33°F (0°C) 17°F (-8°C) 25°F (-4°C)
February 38°F (3°C) 21°F (-6°C) 30°F (-1°C)
March 50°F (10°C) 31°F (-1°C) 40°F (5°C)
April 62°F (17°C) 42°F (5°C) 52°F (11°C)
May 72°F (22°C) 52°F (11°C) 62°F (17°C)
June 81°F (27°C) 62°F (16°C) 71°F (22°C)
July 85°F (29°C) 65°F (18°C) 75°F (24°C)
August 83°F (28°C) 63°F (17°C) 73°F (23°C)
September 77°F (25°C) 55°F (13°C) 66°F (19°C)
October 65°F (18°C) 44°F (6°C) 54°F (12°C)
November 50°F (10°C) 33°F (0°C) 41°F (5°C)
December 39°F (4°C) 23°F (-5°C) 31°F (-1°C)

Monthly Precipitation

Average monthly rainfall

January 1.8"

6.0 days with precipitation

February 2.1"

6.3 days with precipitation

March 2.6"

7.0 days with precipitation

April 3.9"

9.0 days with precipitation

May 5.3"

9.5 days with precipitation

June 5.0"

8.9 days with precipitation

July 4.0"

6.7 days with precipitation

August 3.8"

6.6 days with precipitation

September 3.9"

6.5 days with precipitation

October 3.4"

7.3 days with precipitation

November 2.7"

6.4 days with precipitation

December 2.4"

6.0 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

5,791

Higher = more heating needed

Cooling Degree Days

987

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Rushville's climate means for you

Rushville runs 52°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 5,791 heating and 987 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: Rushville, IL

In Rushville, Illinois, the NOAA 1991–2020 climate normals put the annual average temperature at 52°F, ranging from a mean daily high of 61°F to a mean daily low of 42°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00117551, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Beyond temperature, Rushville averages 40.9 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. 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. Turning to energy use, 5,791 heating degree days and 987 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Rushville scores 68/100 (Good), 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 January-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 Rushville, IL?
The average annual temperature in Rushville, Illinois is 52°F. The warmest month averages 85°F (29°C) and the coldest averages 17°F (-8°C).
How much rain does Rushville get?
Rushville receives 40.9 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Rushville?
Rushville has a climate comfort score of 68/100 (Good), milder than 58% of U.S. cities in the PlainClimate database.
When is the growing season in Rushville?
Rushville 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 Rushville?
Rushville has 5,791 heating degree days and 987 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 Rushville climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00117551 near Rushville.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00117551. 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.