Climate Comfort Score
59/100
Moderate
NOAA 1991–2020 normals 51°F annual avg Public-domain federal data
Princeville, IL Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 51°F
- Avg annual temp
- 59/100
- Comfort score
- 38.8"
- Annual precip
- 175d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Princeville
Princeville, Illinois averages 51°F a year and scores 59/100 on the comfort index - moderate, milder than 39% of U.S. cities.
- 51°F
- average temperature, NOAA 1991-2020 normal
- 59/100
- comfort score, milder than 39% of U.S. cities
- 38.8"
- annual precipitation · 20" snow
- 175 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
51°F (10°C)
Avg High
62°F
Avg Low
40°F
Annual Precip
38.8"
Annual Snow
20.3"
Comfort Score
59/100
Moderate
Avg Annual Temperature
51°F
30-year mean (NOAA NCEI)
Annual Precipitation
38.8"
Plus 20.3" of snow
Comfort score vs national 100-point ceiling (Princeville) 59.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Princeville area.
How Princeville compares to every U.S. city
Princeville'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 Princeville
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Princeville'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 | 33°F (0°C) | 15°F (-10°C) | 24°F (-5°C) | 2.2" | 5.4" | 29.4 | 0.0 |
| February | 37°F (3°C) | 18°F (-8°C) | 28°F (-2°C) | 1.9" | 5.5" | 25.6 | 0.0 |
| March | 50°F (10°C) | 28°F (-2°C) | 39°F (4°C) | 2.4" | 2.0" | 22.5 | 0.0 |
| April | 64°F (18°C) | 39°F (4°C) | 51°F (11°C) | 3.7" | 0.1" | 9.1 | 0.1 |
| May | 75°F (24°C) | 51°F (10°C) | 63°F (17°C) | 5.0" | 0.0" | 0.7 | 1.4 |
| June | 83°F (28°C) | 61°F (16°C) | 72°F (22°C) | 4.0" | 0.0" | 0.0 | 5.3 |
| July | 86°F (30°C) | 63°F (17°C) | 74°F (24°C) | 4.5" | 0.0" | 0.0 | 8.0 |
| August | 84°F (29°C) | 61°F (16°C) | 72°F (22°C) | 3.7" | 0.0" | 0.0 | 5.6 |
| September | 78°F (26°C) | 52°F (11°C) | 65°F (18°C) | 3.9" | 0.0" | 0.8 | 2.2 |
| October | 65°F (19°C) | 41°F (5°C) | 53°F (12°C) | 3.1" | 0.0" | 7.5 | 0.1 |
| November | 51°F (10°C) | 30°F (-1°C) | 40°F (5°C) | 2.4" | 0.9" | 18.6 | 0.0 |
| December | 37°F (3°C) | 20°F (-7°C) | 29°F (-2°C) | 2.0" | 6.4" | 28.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 2.2"
Snow: 5.4"
7.6 days with precipitation
February 1.9"
Snow: 5.5"
6.5 days with precipitation
March 2.4"
Snow: 2.0"
9.1 days with precipitation
April 3.7"
Snow: 0.1"
10.8 days with precipitation
May 5.0"
11.8 days with precipitation
June 4.0"
10.6 days with precipitation
July 4.5"
8.9 days with precipitation
August 3.7"
9.4 days with precipitation
September 3.9"
8.3 days with precipitation
October 3.1"
8.6 days with precipitation
November 2.4"
Snow: 0.9"
8.2 days with precipitation
December 2.0"
Snow: 6.4"
7.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 14
50% probability date
Last Spring Freeze
April 22
50% probability date
Growing Season
175 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,102
Higher = more heating needed
Cooling Degree Days
964
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Princeville's climate means for you
Princeville runs 51°F a year - peaking in July, coldest in January.
- Gardeners get about 175 frost-free days, with the last spring freeze near April 22 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,102 heating and 964 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: Princeville, IL
Princeville, Illinois runs an annual average of 51°F, ranging from a mean daily high of 62°F to a mean daily low of 40°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00117004, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Princeville receives roughly 38.8 inches of precipitation each year, with 20.3 inches typically falling as snow. The frost-free season averages 175 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 22 and the first fall freeze near October 14. For energy use, 6,102 heating degree days and 964 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Princeville scores 59/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Princeville, IL? ▼
The average annual temperature in Princeville, Illinois is 51°F. The warmest month averages 86°F (30°C) and the coldest averages 15°F (-10°C).
How much rain does Princeville get? ▼
Princeville receives 38.8 inches of precipitation annually, including 20.3 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Princeville? ▼
Princeville 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 Princeville? ▼
Princeville has approximately 175 frost-free days per year, with the last spring freeze around April 22 and the first fall freeze around October 14.
How much energy does heating and cooling require in Princeville? ▼
Princeville has 6,102 heating degree days and 964 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 Princeville climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00117004 near Princeville.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00117004. 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.