North Fork, IL climate
North Fork has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 25°, and about 8 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in North Fork feels like
Winter
Spring
Summer
Fall
North Fork 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 | 42° | 25° | 3.5" | 2.1" | 9 | 27° – 43° |
| February | 47° | 28° | 3.1" | 1.7" | 9 | 26° – 46° |
| March | 57° | 36° | 4.5" | 0.7" | 11 | 39° – 60° |
| April | 68° | 46° | 5.1" | 0 | 10 | 50° – 62° |
| May | 77° | 56° | 4.8" | 0 | 11 | 61° – 73° |
| June | 85° | 64° | 4.4" | 0 | 9 | 69° – 79° |
| July | 88° | 68° | 4.0" | 0 | 8 | 73° – 85° |
| August | 87° | 66° | 3.3" | 0 | 6 | 72° – 82° |
| September | 82° | 58° | 3.4" | 0 | 6 | 65° – 75° |
| October | 70° | 46° | 3.5" | 0 | 7 | 54° – 64° |
| November | 56° | 36° | 4.0" | 0 | 9 | 39° – 53° |
| December | 46° | 29° | 3.7" | 3.0" | 10 | 24° – 46° |
| Year | 67° | 46° | 47.3" | 7.5" | 107 |
“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 North Fork
North Fork gets 47 inches of rain and melted snow a year. April is the wettest month and February the driest. Rain or snow falls on about 107 days a year.
About 202 frost-free days a year
In half of years the last 32° night comes by April 7 and the first one by October 26. That leaves about 202 frost-free days for gardens, longer than 73% of U.S. towns.
Heating and cooling a home in North Fork
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In North Fork, 74% of that work is heating and 26% 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.
North Fork and its neighbors
North Fork borders 5 towns with climate data. January nights across them vary by 0.6°. Omaha has the coldest January nights (25°) and Equality the hottest July afternoons (89°). North Fork’s January low is 25° and its July high 88°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How North Fork 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 North Fork averaged 0.7° warmer than the 1900s. The biggest change is in February (+2.0°). The shift is smaller than in 89% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at North Fork’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 24° to 46°. June is the most reliable, staying within 10°.
Common questions about North Fork’s climate
What is the coldest month in North Fork?
January, with a typical high of 42° and a low of 25°.
What is the hottest month in North Fork?
July, with a typical high of 88° and a low of 68°. About 43 days a year reach 90°.
How much snow does North Fork get?
About 8 inches in a normal winter, most of it in December.
When is the first frost in North Fork?
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 North Fork?
April, with 5.1 inches of rain and melted snow. The year totals 47 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for North Fork itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Jt Myers Locks & Dam, IN (18 mi, snow) and Harrisburg, IL (12 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.