Climate Comfort Score
59/100
Moderate
NOAA 1991–2020 normals 50°F annual avg Public-domain federal data
Kewanee, IL Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 50°F
- Avg annual temp
- 59/100
- Comfort score
- 39.6"
- Annual precip
- 176d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Kewanee
Kewanee, Illinois averages 50°F a year and scores 59/100 on the comfort index - moderate, milder than 39% of U.S. cities.
- 50°F
- yearly average temperature, NOAA normal
- 59/100
- comfort score, milder than 39% of U.S. cities
- 39.6"
- annual precipitation · 31" snow
- 176 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
50°F (10°C)
Avg High
60°F
Avg Low
39°F
Annual Precip
39.6"
Annual Snow
30.8"
Comfort Score
59/100
Moderate
Avg Annual Temperature
50°F
30-year mean (NOAA NCEI)
Annual Precipitation
39.6"
Plus 30.8" of snow
Comfort score vs national 100-point ceiling (Kewanee) 59.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Kewanee area.
How Kewanee compares to every U.S. city
Kewanee's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
59 Top 61% higher than 39% 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 Kewanee
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Kewanee's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs warmer than the 30-year mean.
- 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 | 30°F (-1°C) | 14°F (-10°C) | 22°F (-5°C) | 1.9" | 8.7" | 29.4 | 0.0 |
| February | 35°F (2°C) | 17°F (-8°C) | 26°F (-3°C) | 2.1" | 8.5" | 26.0 | 0.0 |
| March | 48°F (9°C) | 27°F (-3°C) | 38°F (3°C) | 2.6" | 3.2" | 23.1 | 0.0 |
| April | 61°F (16°C) | 38°F (3°C) | 49°F (10°C) | 4.0" | 1.2" | 8.9 | 0.0 |
| May | 72°F (22°C) | 50°F (10°C) | 61°F (16°C) | 5.1" | 0.0" | 0.4 | 0.4 |
| June | 81°F (27°C) | 60°F (16°C) | 71°F (21°C) | 5.0" | 0.0" | 0.0 | 2.6 |
| July | 84°F (29°C) | 63°F (17°C) | 74°F (23°C) | 3.7" | 0.0" | 0.0 | 4.5 |
| August | 82°F (28°C) | 61°F (16°C) | 71°F (22°C) | 3.9" | 0.0" | 0.0 | 2.5 |
| September | 77°F (25°C) | 52°F (11°C) | 64°F (18°C) | 3.7" | 0.0" | 0.2 | 1.2 |
| October | 64°F (18°C) | 41°F (5°C) | 52°F (11°C) | 2.9" | 0.3" | 6.3 | 0.1 |
| November | 49°F (9°C) | 30°F (-1°C) | 39°F (4°C) | 2.6" | 1.4" | 19.6 | 0.0 |
| December | 36°F (2°C) | 20°F (-7°C) | 28°F (-2°C) | 2.2" | 7.5" | 27.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 1.9"
Snow: 8.7"
9.3 days with precipitation
February 2.1"
Snow: 8.5"
8.6 days with precipitation
March 2.6"
Snow: 3.2"
10.2 days with precipitation
April 4.0"
Snow: 1.2"
12.3 days with precipitation
May 5.1"
14.0 days with precipitation
June 5.0"
12.3 days with precipitation
July 3.7"
9.6 days with precipitation
August 3.9"
9.5 days with precipitation
September 3.7"
8.0 days with precipitation
October 2.9"
Snow: 0.3"
10.8 days with precipitation
November 2.6"
Snow: 1.4"
9.5 days with precipitation
December 2.2"
Snow: 7.5"
9.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 17
50% probability date
Last Spring Freeze
April 24
50% probability date
Growing Season
176 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,407
Higher = more heating needed
Cooling Degree Days
829
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Kewanee's climate means for you
Kewanee runs 50°F a year - peaking in July, coldest in January.
- Gardeners get about 176 frost-free days, with the last spring freeze near April 24 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,407 heating and 829 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: Kewanee, IL
An annual average temperature of 50°F, ranging from a mean daily high of 60°F to a mean daily low of 39°F is what the NOAA 1991–2020 climate normals report for Kewanee, Illinois. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00114710 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Beyond temperature, Kewanee averages 39.6 inches of precipitation annually, with 30.8 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 176 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 24 and the first fall freeze near October 17. Turning to energy use, 6,407 heating degree days and 829 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Kewanee scores 59/100 (Moderate), 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 Kewanee, IL? ▼
The average annual temperature in Kewanee, Illinois is 50°F. The warmest month averages 84°F (29°C) and the coldest averages 14°F (-10°C).
How much rain does Kewanee get? ▼
Kewanee receives 39.6 inches of precipitation annually, including 30.8 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Kewanee? ▼
Kewanee has a climate comfort score of 59/100 (Moderate), milder than 39% of U.S. cities in the PlainClimate database.
When is the growing season in Kewanee? ▼
Kewanee has approximately 176 frost-free days per year, with the last spring freeze around April 24 and the first fall freeze around October 17.
How much energy does heating and cooling require in Kewanee? ▼
Kewanee has 6,407 heating degree days and 829 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 Kewanee climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00114710 near Kewanee.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00114710. 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.