Dixon Springs Agricultural Center, Illinois climate: Climate normals at a NOAA weather station
Dixon Springs Agricultural Center's normal year runs from 26°F January nights to 88°F July afternoons, with 50.5 inches of precipitation and 7 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 14.0°C, January lows of −4°C, July highs of 31°C, 1,283 mm of precipitation a year.
- NOAA stationDixon Springs Agricultural Center
- Station IDUSC00112353
- Location37.44°N 88.67°W
- Elevation527 ft (161 m)
On October 23, the normal high in Dixon Springs Agricultural Center is 68°F and the normal low 44°F, and the chance of measurable rain or snow is 25%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Dixon Springs Agricultural Center.
- Jan 43° 26°
- Feb 49° 29°
- Mar 59° 37°
- Apr 70° 46°
- May 77° 56°
- Jun 85° 63°
- Jul 88° 67°
- Aug 87° 65°
- Sep 82° 58°
- Oct 71° 46°
- Nov 57° 37°
- Dec 46° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Dixon Springs Agricultural Center each month?
July is the warmest month, with normal highs of 88°F; January the coldest, with normal lows of 26°F. The most precipitation falls in May (5.19 in), the least in February (3.64 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 43°F | 26°F | 34.4°F | 3.84 | 1.7 | 8 | <1 | 21 | 9 h 50 min |
| February | 49°F | 29°F | 38.8°F | 3.64 | 3.2 | 8 | <1 | 16 | 10 h 50 min |
| March | 59°F | 37°F | 47.7°F | 4.66 | 0.6 | 9 | <1 | 10 | 11 h 50 min |
| April | 70°F | 46°F | 57.9°F | 4.96 | 0.0 | 10 | <1 | 2 | 13 h 10 min |
| May | 77°F | 56°F | 66.4°F | 5.19 | 0.0 | 10 | 2 | <1 | 14 h 10 min |
| June | 85°F | 63°F | 74.0°F | 4.08 | 0.0 | 8 | 10 | <1 | 14 h 40 min |
| July | 88°F | 67°F | 77.4°F | 4.39 | 0.0 | 8 | 16 | <1 | 14 h 30 min |
| August | 87°F | 65°F | 76.1°F | 3.65 | 0.0 | 6 | 13 | <1 | 13 h 40 min |
| September | 82°F | 58°F | 69.7°F | 3.79 | 0.0 | 6 | 7 | <1 | 12 h 30 min |
| October | 71°F | 46°F | 58.7°F | 3.84 | 0.3 | 7 | <1 | 2 | 11 h 20 min |
| November | 57°F | 37°F | 47.1°F | 4.30 | 0.0 | 8 | <1 | 10 | 10 h 10 min |
| December | 46°F | 29°F | 37.8°F | 4.16 | 1.4 | 9 | <1 | 18 | 9 h 40 min |
| Year (annual) | 68°F | 47°F | 57.2°F | 50.50 | 7.2 | 98 | 47 | 80 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 6°C | −4°C | 1.3°C | 98 mm | 4 cm |
| February | 9°C | −2°C | 3.8°C | 92 mm | 8 cm |
| March | 15°C | 3°C | 8.7°C | 118 mm | 2 cm |
| April | 21°C | 8°C | 14.4°C | 126 mm | 0 cm |
| May | 25°C | 13°C | 19.1°C | 132 mm | 0 cm |
| June | 30°C | 17°C | 23.3°C | 104 mm | 0 cm |
| July | 31°C | 19°C | 25.2°C | 112 mm | 0 cm |
| August | 31°C | 18°C | 24.5°C | 93 mm | 0 cm |
| September | 28°C | 14°C | 20.9°C | 96 mm | 0 cm |
| October | 22°C | 8°C | 14.8°C | 98 mm | 1 cm |
| November | 14°C | 3°C | 8.4°C | 109 mm | 0 cm |
| December | 8°C | −2°C | 3.2°C | 106 mm | 4 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00112353; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Dixon Springs Agricultural Center?
Normal highs sit between 65°F and 85°F in April, May, September and October. Of those, September has the fewest days with rain (6).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00112353.
When is the last frost at Dixon Springs Agricultural Center?
In Dixon Springs Agricultural Center, the last spring frost (32°F) comes after April 14 in half of years and after April 30 in one year in ten; the first autumn frost comes before October 21 in half of years and before October 6 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- April 141 year in 10 after April 30; 9 in 10 after March 28
- First autumn frost, half of years before
- October 211 year in 10 before October 6; 9 in 10 before November 2
NOAA puts the median frost-free season at 189 days, and the season without a hard freeze (28°F) at 211 days.
A hard freeze (28°F) comes after April 2 in half of springs and before October 31 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Dixon Springs Agricultural Center in zone 7a in ZIP code 62985, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, the station is in zone 7a: the coldest night of a typical year reaches 1°F (19 complete years).
Frost dates for every NOAA station in Illinois · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00112353; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Dixon Springs Agricultural Center?
In a normal year in Dixon Springs Agricultural Center, 47 days a year reach 90°F (2 of them 100°F or more), 80 nights fall to 32°F or colder and 98 days bring measurable precipitation.
- Days at 90°F or more
- 47a normal year
- Days at 100°F or more
- 2a normal year
- Nights at 32°F or colder
- 80a normal year
- Days that stay below freezing
- 10high of 32°F or less
- Days with 0.01 inch of precipitation
- 98a normal year
- Days with 1 inch of snow or more
- 2a normal year
The highest temperature in this station's record (since 1941) is 103°F, on August 16, 2007; the lowest is −20°F, on January 17, 1977.
The wettest calendar year on that record is 2006, with 61.91 in; the snowiest season is 1977–78, with 31.6 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00112353; records: ACIS (NOAA Regional Climate Centers), station USC00112353. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Dixon Springs Agricultural Center?
Over a year 75% of the sunlight that would reach the ground under clear skies gets through the clouds at Dixon Springs Agricultural Center, 4.2 kWh per square metre a day. August is the sunniest month (83%) and December the cloudiest (64%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 64% | 2.1 |
| February | 64% | 2.8 |
| March | 67% | 3.8 |
| April | 73% | 5.1 |
| May | 74% | 5.7 |
| June | 82% | 6.5 |
| July | 83% | 6.3 |
| August | 83% | 5.7 |
| September | 81% | 4.8 |
| October | 76% | 3.5 |
| November | 72% | 2.5 |
| December | 64% | 1.8 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Dixon Springs Agricultural Center record?
A normal year at Dixon Springs Agricultural Center brings 4,206 heating degree days, 22% fewer than the median U.S. place (5,373), and 1,389 cooling degree days, 53% more than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 4,288 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 949 | 0 |
| February | 733 | 0 |
| March | 540 | 5 |
| April | 242 | 30 |
| May | 79 | 122 |
| June | 7 | 279 |
| July | 0 | 385 |
| August | 2 | 346 |
| September | 38 | 180 |
| October | 233 | 39 |
| November | 540 | 3 |
| December | 845 | 0 |
| Year (annual) | 4,206 | 1,389 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00112353. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Have recent years at Dixon Springs Agricultural Center been warmer than normal?
Over 37 complete years from 1968 to 2020, the station's annual mean temperature rose at a fitted 6.1°F per century (+0.34°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Dixon Springs Agricultural Center's climate compare?
Dixon Springs Agricultural Center is warmer than 139 of the 144 places with their own NOAA record in Illinois, and wetter than 135. Across the 7,247 U.S. stations with normals, its annual mean of 57.2°F is warmer than 67%.
In the Köppen classification computed from these normals, Dixon Springs Agricultural Center is Cfa: temperate, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Dixon Springs Agricultural Center share this climate record?
6 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Vienna, IL1,350 people · 12 mi W
- Creal Springs, IL498 people · 16 mi NW
- Stonefort, IL219 people · 13 mi N
- New Burnside, IL152 people · 11 mi NW
- Eddyville, IL97 people · 6 mi NE
- Simpson, IL44 people · 5 mi W
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Dixon Springs Agricultural Center's climate
What is the coldest month at Dixon Springs Agricultural Center?
January, with a normal high of 43°F and a normal low of 26°F. The warmest is July (88°F by day, 67°F at night).
Does it snow at Dixon Springs Agricultural Center?
Yes: 7 inches in a normal year, falling on 3 days with 0.1 inch or more, the most in February (3.2 inches).
What is the rainiest month at Dixon Springs Agricultural Center?
May, with 5.19 in of precipitation in a normal year; the driest is February with 3.64 in.
What plant hardiness zone is Dixon Springs Agricultural Center in?
The USDA's 2023 map puts Dixon Springs Agricultural Center in zone 7a in ZIP code 62985, the nearest ZIP area. By the same method at the station, the coldest night of a typical year reaches 1°F (19 years, 1991-2020): zone 7a.
How late can frost come at Dixon Springs Agricultural Center?
In half of years the last 32°F night comes after April 14; in one year in ten it comes after April 30. Waiting until April 30 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Illinois climateThe statewide normals and every place in the state
- Rosiclare, IL14 miles from this station, 54.8°F a year
- Brookport, IL22 miles from this station, 57.3°F a year
- Harrisburg, IL22 miles from this station, 57.3°F a year
- Smithland Lock and Dam, IL23 miles from this station, 57.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made