Eagle Creek has chilly winters and warm summers, with plenty of rain
A typical July afternoon reaches 88°, a January night drops to 26°, and about 3 inches of snow falls in a normal winter.
A year in Eagle Creek at a glance
Each month’s typical high and low, and what it brings.
What stands out about Eagle Creek’s climate
Read from where Eagle Creek sits among Illinois’s towns. The page puts what stands out first.
What a year in Eagle Creek feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
3 inches of snow, 48 of rain and melt
April is the wettest month and August the driest. Rain or snow falls on about 110 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 202 frost-free days a year
In half of years the last 32° night comes by April 7 and the first by October 26.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Eagle Creek’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
202 frost-free days. The last frost comes by Apr 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 26.
About 3" in a normal winter.
Months averaging under 55° run from November through March. Heating is 74% of the year’s heating-and-cooling load.
About 43 days a year reach 90°, and July afternoons average 88°.
The nicest months are April, May, September and October. 54 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Eagle Creek averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.9°).
A smaller shift than in 89% of U.S. towns.
Change by month
Eagle Creek and its neighbors
Equality has the coldest January nights next door (25°) and Bowlesville the hottest July afternoons (89°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
How Eagle Creek compares
Against every U.S. town on TownTapestry, each counted once, with its place in Illinois.
Eagle Creek weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 42° | 26° | 3.6" | 0.9" | 10 | 4 | 27° – 43° |
| February | 47° | 29° | 3.3" | 1.4" | 9 | 4 | 26° – 46° |
| March | 57° | 37° | 4.6" | 0.2" | 12 | 1 | 39° – 60° |
| April | 69° | 46° | 5.1" | 0 | 11 | 0 | 50° – 62° |
| May | 77° | 56° | 4.9" | 0 | 11 | 0 | 61° – 73° |
| June | 85° | 64° | 4.4" | 0 | 9 | 0 | 69° – 79° |
| July | 88° | 68° | 4.1" | 0 | 9 | 0 | 73° – 85° |
| August | 87° | 66° | 3.2" | 0 | 7 | 0 | 72° – 83° |
| September | 82° | 58° | 3.3" | 0 | 7 | 0 | 66° – 76° |
| October | 70° | 47° | 3.6" | 0.2" | 8 | 0 | 54° – 64° |
| November | 56° | 36° | 4.1" | 0 | 9 | 0 | 39° – 53° |
| December | 46° | 29° | 3.9" | 0.6" | 10 | 1 | 25° – 47° |
| Year | 67° | 47° | 48.1" | 3.3" | 110 | 9 |
Heating and cooling a home in Eagle Creek
74% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 25° to 47°. June is the most reliable, staying within 10°.
Common questions about Eagle Creek’s climate
What is the coldest month in Eagle Creek?
January, with a typical high of 42° and a low of 26°.
What is the hottest month in Eagle Creek?
July, with a typical high of 88° and a low of 68°. About 43 days a year reach 90°.
How much snow does Eagle Creek get?
About 3 inches in a normal winter, most of it in February.
When is the first frost in Eagle Creek?
In half of years the first 32° night comes by October 26, and the last spring frost by April 7.
What is the rainiest month in Eagle Creek?
April, with 5.1 inches of rain and melted snow. The year totals 48 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Eagle Creek.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Eagle Creek itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Rosiclare 5nw, IL (13 mi, snow) and Harrisburg, IL (13 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.