Climate Comfort Score
78/100
Good
NOAA 1991–2020 normals 56°F annual avg Public-domain federal data
Carbondale Sewage Plt, IL Climate
Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →
- 56°F
- Avg annual temp
- 78/100
- Comfort score
- 49.0"
- Annual precip
- 196d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Carbondale Sewage Plt
Carbondale Sewage Plt, Illinois averages 56°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.
- 56°F
- yearly average temperature, NOAA normal
- 78/100
- comfort score, milder than 74% of U.S. cities
- 49.0"
- annual precipitation · 11" snow
- 196 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
56°F (13°C)
Avg High
67°F
Avg Low
45°F
Annual Precip
49.0"
Annual Snow
11.4"
Comfort Score
78/100
Good
Avg Annual Temperature
56°F
30-year mean (NOAA NCEI)
Annual Precipitation
49.0"
Plus 11.4" of snow
Comfort score vs national 100-point ceiling (Carbondale Sewage Plt) 78.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Carbondale Sewage Plt area.
How Carbondale Sewage Plt compares to every U.S. city
Carbondale Sewage Plt's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
78 Top 26% higher than 74% of 6,915 US cities
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 Carbondale Sewage Plt
MethodologyZooming out from Carbondale Sewage Plt'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.
- 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
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 41°F (5°C) | 23°F (-5°C) | 32°F (0°C) | 3.4" | 3.2" | 24.9 | 0.0 |
| February | 46°F (8°C) | 26°F (-3°C) | 36°F (2°C) | 3.1" | 4.0" | 20.6 | 0.0 |
| March | 56°F (13°C) | 35°F (1°C) | 45°F (7°C) | 4.5" | 1.3" | 14.0 | 0.0 |
| April | 68°F (20°C) | 44°F (7°C) | 56°F (13°C) | 5.5" | 0.0" | 3.5 | 0.0 |
| May | 77°F (25°C) | 55°F (13°C) | 66°F (19°C) | 5.2" | 0.0" | 0.0 | 0.9 |
| June | 85°F (29°C) | 64°F (18°C) | 74°F (24°C) | 4.6" | 0.0" | 0.0 | 7.5 |
| July | 88°F (31°C) | 68°F (20°C) | 78°F (26°C) | 4.1" | 0.0" | 0.0 | 13.4 |
| August | 87°F (31°C) | 65°F (18°C) | 76°F (24°C) | 3.2" | 0.0" | 0.0 | 11.5 |
| September | 81°F (27°C) | 56°F (13°C) | 69°F (20°C) | 3.4" | 0.0" | 0.1 | 4.8 |
| October | 70°F (21°C) | 44°F (7°C) | 57°F (14°C) | 3.7" | 0.2" | 3.8 | 0.3 |
| November | 56°F (13°C) | 35°F (2°C) | 46°F (8°C) | 4.5" | 0.0" | 14.2 | 0.0 |
| December | 45°F (7°C) | 27°F (-3°C) | 36°F (2°C) | 3.7" | 2.7" | 21.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 3.4"
Snow: 3.2"
10.3 days with precipitation
February 3.1"
Snow: 4.0"
9.3 days with precipitation
March 4.5"
Snow: 1.3"
12.2 days with precipitation
April 5.5"
11.7 days with precipitation
May 5.2"
12.9 days with precipitation
June 4.6"
9.9 days with precipitation
July 4.1"
9.1 days with precipitation
August 3.2"
8.6 days with precipitation
September 3.4"
7.9 days with precipitation
October 3.7"
Snow: 0.2"
8.8 days with precipitation
November 4.5"
9.6 days with precipitation
December 3.7"
Snow: 2.7"
10.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 22
50% probability date
Last Spring Freeze
April 9
50% probability date
Growing Season
196 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,624
Higher = more heating needed
Cooling Degree Days
1,362
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Carbondale Sewage Plt's climate means for you
Carbondale Sewage Plt runs 56°F a year - peaking in July, coldest in January.
- Gardeners get about 196 frost-free days, with the last spring freeze near April 9 - plan the planting calendar around it, not the regional average.
- Energy bills track 4,624 heating and 1,362 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: Carbondale Sewage Plt, IL
An annual average temperature of 56°F, ranging from a mean daily high of 67°F to a mean daily low of 45°F is what the NOAA 1991–2020 climate normals report for Carbondale Sewage Plt, Illinois. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00111265 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Carbondale Sewage Plt sees about 49.0 inches of precipitation a year, with 11.4 inches typically falling as snow. The frost-free season averages 196 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 9 and the first fall freeze near October 22. On the energy side, 4,624 heating degree days and 1,362 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Carbondale Sewage Plt scores 78/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in Carbondale Sewage Plt, IL? ▼
The average annual temperature in Carbondale Sewage Plt, Illinois is 56°F. The warmest month averages 88°F (31°C) and the coldest averages 23°F (-5°C).
How much rain does Carbondale Sewage Plt get? ▼
Carbondale Sewage Plt receives 49.0 inches of precipitation annually, including 11.4 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Carbondale Sewage Plt? ▼
Carbondale Sewage Plt has a climate comfort score of 78/100 (Good), milder than 74% of U.S. cities in the PlainClimate database.
When is the growing season in Carbondale Sewage Plt? ▼
Carbondale Sewage Plt has approximately 196 frost-free days per year, with the last spring freeze around April 9 and the first fall freeze around October 22.
How much energy does heating and cooling require in Carbondale Sewage Plt? ▼
Carbondale Sewage Plt has 4,624 heating degree days and 1,362 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 Carbondale Sewage Plt climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00111265 near Carbondale Sewage Plt.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00111265. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
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.