Lynn Center, IL climate
Lynn Center has cold winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 15°, and about 27 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Lynn Center feels like
Winter
Spring
Summer
Fall
Lynn Center 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 30° | 15° | 1.6" | 7.9" | 7 | 14° – 35° |
| February | 35° | 19° | 1.8" | 6.7" | 7 | 14° – 38° |
| March | 48° | 29° | 2.5" | 4.1" | 9 | 31° – 53° |
| April | 62° | 39° | 3.8" | 0.3" | 10 | 42° – 58° |
| May | 72° | 51° | 4.7" | 0 | 11 | 56° – 69° |
| June | 81° | 61° | 5.0" | 0 | 10 | 68° – 75° |
| July | 84° | 64° | 4.0" | 0 | 9 | 69° – 80° |
| August | 82° | 62° | 3.9" | 0 | 8 | 67° – 78° |
| September | 76° | 54° | 3.6" | 0 | 7 | 60° – 70° |
| October | 64° | 42° | 2.9" | 0 | 7 | 48° – 58° |
| November | 48° | 31° | 2.4" | 0.7" | 8 | 32° – 49° |
| December | 36° | 20° | 2.0" | 7.1" | 8 | 13° – 38° |
| Year | 60° | 40° | 38.2" | 26.8" | 100 |
“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 Lynn Center
Lynn Center gets 38 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 100 days a year.
About 180 frost-free days a year
In half of years the last 32° night comes by April 20 and the first one by October 20. That leaves about 180 frost-free days for gardens, longer than 53% of U.S. towns.
Heating and cooling a home in Lynn Center
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lynn Center, 86% of that work is heating and 14% is cooling, so the furnace matters far more than the air conditioner.
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.
How Lynn Center 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 Lynn Center averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.1°). The shift is smaller than in 70% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Lynn Center’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 13° to 38°. June is the most reliable, staying within 7°.
Common questions about Lynn Center’s climate
What is the coldest month in Lynn Center?
January, with a typical high of 30° and a low of 15°.
What is the hottest month in Lynn Center?
July, with a typical high of 84° and a low of 64°. About 22 days a year reach 90°.
How much snow does Lynn Center get?
About 27 inches in a normal winter, most of it in January.
When is the first frost in Lynn Center?
In half of years the first 32° night comes by October 20, and the last spring frost by April 20.
What is the rainiest month in Lynn Center?
June, with 5.0 inches of rain and melted snow. The year totals 38 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Lynn Center itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Woodhull, IL (8 mi, snow) and Geneseo, IL (15 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.