Climate · Energy

Energy, IL climate

Energy has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 88°, a January night drops to 25°, and about 11 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
88°
266th hottest of 2,886 Illinois towns
January low
25°
77th mildest of 2,886 Illinois towns
Rain + melted snow
48 in
70th wettest of 2,886 Illinois towns
Snow a winter
11 in
422nd least snowy of 2,880 Illinois towns
A normal year

What a year in Energy feels like

Winter

44° / 27°
Typical high / low · 4 days with an inch or more of snow

Spring

67° / 46°
Typical high / low · Last frost around Apr 9

Summer

87° / 65°
Typical high / low · 38 days reach 90° in a normal year

Fall

69° / 46°
Typical high / low · First frost around Oct 22
Best months to be outsideAprMaySepOctHighs of 62–84° and lows of 40° or more
Month by month

Energy weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January41°25°3.3" 3.2"10 27° – 42°
February46°28°3.1" 4.0"9 25° – 46°
March56°36°4.4" 1.3"12 39° – 60°
April68°45°5.5" 012 50° – 62°
May77°55°5.1" 013 61° – 72°
June85°64°4.5" 010 69° – 79°
July88°67°4.0" 09 72° – 84°
August87°65°3.2" 09 71° – 82°
September81°57°3.3" 08 65° – 76°
October70°46°3.6" 0.2"9 54° – 63°
November56°36°4.2" 010 38° – 51°
December45°28°3.5" 2.7"11 23° – 46°
Year67°46°47.8"11.4"121

“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 & snow

Rain and snow in Energy

Energy gets 48 inches of rain and melted snow a year. April is the wettest month and February the driest. Rain or snow falls on about 121 days a year.

48 in
Rain + melted snow a year
More rain than 80% of U.S. towns
11 in
Snow in a normal winter
Less snow than 71% of U.S. towns
121 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
5.5"

Snowfall by month

Inches of snow
4.0"
Frost & the growing season

About 195 frost-free days a year

In half of years the last 32° night comes by April 9 and the first one by October 22. That leaves about 195 frost-free days for gardens, longer than 69% of U.S. towns.

103
nights at or below 32° in a normal year
2
nights below 0° in a normal year
38
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Energy

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Energy, 77% of that work is heating and 23% is cooling.

77%heating
4,624 heating degree daysLess heating than 72% of U.S. towns
1,362 cooling degree daysMore cooling than 75% of U.S. towns

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.

Around Energy

Energy and its neighbors

Energy borders 1 town with climate data. January nights across them vary by 0.1°. Herrin has both the coldest January nights (25°) and the hottest July afternoons (88°). Energy’s January low is 25° and its July high 88°.

Crainville: January low 25°, July high 88°Carterville: January low 25°, July high 88°Herrin: January low 25°, July high 88°Energy: January low 25°, July high 88° EnergyHerrin
ColderMilder25° to 25°
Herrin24.5° −0.1°
Energy24.6°

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Energy compares

Summer heat88° July high
Hotter than 70% of U.S. towns266th hottest of 2,886 Illinois towns
Winter cold25° January low
Milder than 72% of U.S. towns77th mildest of 2,886 Illinois towns
Precipitation48" a year
Wetter than 80% of U.S. towns70th wettest of 2,886 Illinois towns
Snow11" a winter
Less snow than 71% of U.S. towns422nd least snowy of 2,880 Illinois towns
Growing season195 frost-free days
Longer than 69% of U.S. towns500th longest of 2,886 Illinois towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+1.0°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Energy averaged 1.0° warmer than the 1900s. The biggest change is in February (+1.9°). The shift is smaller than in 74% of U.S. towns.

❄️ Winter+1.7° now 36°, was 34°
🌷 Spring+1.2° now 56°, was 55°
☀️ Summer+0.5° now 76°, was 76°
🍂 Fall+0.4° now 57°, was 57°

Change by month1991–2020 average minus 1901–2000 average, at Energy’s spot on NOAA’s grid

Year to year

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 23° to 46°. October is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Energy’s climate

What is the coldest month in Energy?

January, with a typical high of 41° and a low of 25°.

What is the hottest month in Energy?

July, with a typical high of 88° and a low of 67°. About 38 days a year reach 90°.

How much snow does Energy get?

About 11 inches in a normal winter, most of it in February.

When is the first frost in Energy?

In half of years the first 32° night comes by October 22, and the last spring frost by April 9.

What is the rainiest month in Energy?

April, with 5.5 inches of rain and melted snow. The year totals 48 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Energy itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Carbondale Sewage Plt, IL (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

We left the porch light on

Where to, neighbor?

You’re in Energy, ILView boundary

Nearby

All towns & citiesExplore the map
Loading boundary…

Energy is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

Neighborhoods narrow the feed further, while townwide announcements, events, and issues remain visible.

Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01