New Douglas, IL climate
New Douglas has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 22°, and about 14 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in New Douglas feels like
Winter
Spring
Summer
Fall
New Douglas 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 | 38° | 22° | 2.6" | 5.7" | 6 | 24° – 41° |
| February | 43° | 25° | 2.2" | 2.8" | 6 | 23° – 44° |
| March | 54° | 34° | 3.3" | 1.6" | 8 | 37° – 58° |
| April | 66° | 44° | 4.8" | 0.1" | 9 | 47° – 61° |
| May | 75° | 55° | 5.0" | 0 | 10 | 60° – 72° |
| June | 84° | 64° | 4.4" | 0 | 8 | 68° – 77° |
| July | 87° | 67° | 4.1" | 0 | 7 | 71° – 84° |
| August | 86° | 65° | 3.4" | 0 | 6 | 70° – 81° |
| September | 80° | 57° | 3.3" | 0 | 5 | 64° – 74° |
| October | 68° | 46° | 3.2" | 0.1" | 6 | 52° – 63° |
| November | 54° | 35° | 3.5" | 0.7" | 7 | 37° – 52° |
| December | 42° | 26° | 2.6" | 2.9" | 6 | 21° – 43° |
| Year | 65° | 45° | 42.4" | 13.9" | 83 |
“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 New Douglas
New Douglas 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 83 days a year.
About 192 frost-free days a year
In half of years the last 32° night comes by April 13 and the first one by October 24. That leaves about 192 frost-free days for gardens, longer than 66% of U.S. towns.
Heating and cooling a home in New Douglas
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In New Douglas, 78% of that work is heating and 22% 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.
New Douglas and its neighbors
New Douglas borders 4 towns with climate data. January nights across them vary by 0.9°. Walshville has the coldest January nights (21°) and Leef the hottest July afternoons (88°). New Douglas’s January low is 22° and its July high 87°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How New Douglas 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 New Douglas averaged 0.8° warmer than the 1900s. The biggest change is in December (+1.8°). The shift is smaller than in 81% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at New Douglas’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 43°. June is the most reliable, staying within 9°.
Common questions about New Douglas’s climate
What is the coldest month in New Douglas?
January, with a typical high of 38° and a low of 22°.
What is the hottest month in New Douglas?
July, with a typical high of 87° and a low of 67°. About 42 days a year reach 90°.
How much snow does New Douglas get?
About 14 inches in a normal winter, most of it in January.
When is the first frost in New Douglas?
In half of years the first 32° night comes by October 24, and the last spring frost by April 13.
What is the rainiest month in New Douglas?
May, with 5.0 inches of rain and melted snow. The year totals 42 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for New Douglas itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mt Olive 1 E, IL (8 mi, snow) and Hillsboro, IL (17 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.