Sugar Creek, IL climate
Sugar Creek has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 10 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Sugar Creek feels like
Winter
Spring
Summer
Fall
Sugar 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 | 39° | 23° | 2.8" | 4.0" | 7 | 5 | 25° – 42° |
| February | 45° | 27° | 2.3" | 3.2" | 7 | 3 | 26° – 46° |
| March | 55° | 35° | 3.4" | 0.8" | 8 | 1 | 38° – 58° |
| April | 67° | 45° | 4.8" | 0 | 10 | 0 | 49° – 61° |
| May | 77° | 55° | 4.9" | 0 | 11 | 0 | 61° – 74° |
| June | 85° | 64° | 4.3" | 0 | 9 | 0 | 70° – 79° |
| July | 88° | 68° | 3.9" | 0 | 8 | 0 | 73° – 85° |
| August | 87° | 65° | 3.3" | 0 | 6 | 0 | 71° – 82° |
| September | 81° | 57° | 3.3" | 0 | 6 | 0 | 65° – 75° |
| October | 69° | 46° | 3.1" | 0 | 7 | 0 | 52° – 63° |
| November | 55° | 36° | 3.5" | 0.3" | 8 | 0 | 38° – 52° |
| December | 44° | 27° | 2.7" | 1.8" | 8 | 3 | 21° – 44° |
| Year | 66° | 46° | 42.3" | 10.1" | 94 | 12 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Sugar Creek
Sugar Creek gets 42 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 94 days a year. Snow covers the ground about 12 days of the year.
About 204 frost-free days a year
In half of years the last 32° night comes by April 6 and the first one by October 29. That leaves about 204 frost-free days for gardens, longer than 75% of U.S. towns.
Heating and cooling a home in Sugar Creek
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Sugar Creek, 77% of that work is heating and 23% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Sugar Creek and its neighbors
Sugar Creek borders 4 towns with climate data. January nights across them vary by 0.4°. Helvetia has the coldest January nights (23°) and Lebanon the hottest July afternoons (89°). Sugar Creek’s January low is 23° and its July high 88°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Sugar Creek compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Sugar Creek averaged 1.1° warmer than the 1900s. The biggest change is in February (+2.1°). The shift is smaller than in 61% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Sugar Creek’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 21° to 44°. June is the most reliable, staying within 9°.
Common questions about Sugar Creek’s climate
What is the coldest month in Sugar Creek?
January, with a typical high of 39° and a low of 23°.
What is the hottest month in Sugar Creek?
July, with a typical high of 88° and a low of 68°. About 32 days a year reach 90°.
How much snow does Sugar Creek get?
About 10 inches in a normal winter, most of it in January.
When is the first frost in Sugar Creek?
In half of years the first 32° night comes by October 29, and the last spring frost by April 6.
What is the rainiest month in Sugar Creek?
May, with 4.9 inches of rain and melted snow. The year totals 42 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Sugar Creek itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Albers 1 W, IL (5 mi, snow) and Carlyle Rsvr, IL (16 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.