Climate · Lomax

Lomax, IL climate

Lomax has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 16°, and about 22 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
86°
1137th hottest of 2,886 Illinois towns
January low
16°
896th coldest of 2,886 Illinois towns
Rain + melted snow
38 in
814th driest of 2,886 Illinois towns
Snow a winter
22 in
1211th snowiest of 2,880 Illinois towns
A normal year

What a year in Lomax feels like

Winter

36° / 19°
Typical high / low · 9 days with an inch or more of snow

Spring

63° / 41°
Typical high / low · Last frost around Apr 15

Summer

84° / 64°
Typical high / low · 23 days reach 90° in a normal year

Fall

64° / 43°
Typical high / low · First frost around Oct 20
Best months to be outsideAprMayJunSepOctHighs of 62–84° and lows of 40° or more
Month by month

Lomax weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January33°16°1.6" 6.3"913 17° – 36°
February38°20°1.8" 5.8"99 16° – 40°
March51°31°2.5" 2.1"103 33° – 54°
April63°41°3.8" 0.9"110 43° – 59°
May74°52°5.1" 0130 58° – 71°
June83°62°4.8" 0110 69° – 76°
July86°66°3.9" 0100 70° – 82°
August84°63°3.7" 090 68° – 79°
September78°55°3.6" 070 61° – 71°
October65°43°3.1" 0.1"90 49° – 60°
November50°32°2.5" 1.3"91 33° – 50°
December38°22°1.9" 5.3"87 15° – 39°
Year62°42°38.2"21.8"11434

“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 Lomax

Lomax gets 38 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 114 days a year. Snow covers the ground about 34 days of the year.

38 in
Rain + melted snow a year
Less rain than 55% of U.S. towns
22 in
Snow in a normal winter
Less snow than 54% of U.S. towns
34 days
With 1"+ of snow on the ground
More than 55% of U.S. towns

Rain + melted snow by month

Inches of water
5.1"

Snowfall by month

Inches of snow
6.3"
Frost & the growing season

About 187 frost-free days a year

In half of years the last 32° night comes by April 15 and the first one by October 20. That leaves about 187 frost-free days for gardens, longer than 60% of U.S. towns.

119
nights at or below 32° in a normal year
8
nights below 0° in a normal year
23
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 Lomax

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Lomax, 84% of that work is heating and 16% is cooling, so the furnace matters far more than the air conditioner.

84%heating
5,820 heating degree daysMore heating than 51% of U.S. towns
1,083 cooling degree daysMore cooling than 64% 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 Lomax

Lomax and its neighbors

Lomax borders 4 towns with climate data. January nights across them vary by 0.7°. Carman has both the coldest January nights (16°) and the hottest July afternoons (86°). Lomax’s January low is 16° and its July high 86°.

Pilot Grove: January low 17°, July high 86°La Harpe: January low 16°, July high 85°Raritan: January low 16°, July high 85°Stronghurst: January low 16°, July high 86°Burlington: January low 16°, July high 86°Gladstone: January low 15°, July high 86°Gulfport: January low 16°, July high 86°Pontoosuc: January low 17°, July high 86°Dallas City: January low 16°, July high 86°Durham: January low 16°, July high 86°Terre Haute: January low 16°, July high 85°Carman: January low 16°, July high 86°Dallas City: January low 17°, July high 86°Lomax: January low 16°, July high 86° LomaxDurhamTerre HauteCarmanDallas City
ColderMilder15° to 17°
Carman15.8° −0.3°
Terre Haute15.9° −0.2°
Lomax16.1°
Durham16.4° +0.3°
Dallas City16.5° +0.4°

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

Compared with other towns

How Lomax compares

Summer heat86° July high
Hotter than 57% of U.S. towns1137th hottest of 2,886 Illinois towns
Winter cold16° January low
Colder than 66% of U.S. towns896th coldest of 2,886 Illinois towns
Precipitation38" a year
Drier than 55% of U.S. towns814th driest of 2,886 Illinois towns
Snow22" a winter
Less snow than 54% of U.S. towns1211th snowiest of 2,880 Illinois towns
Growing season187 frost-free days
Longer than 60% of U.S. towns1333rd 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

+0.7°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Lomax averaged 0.7° warmer than the 1900s. The biggest change is in December (+2.0°). The shift is smaller than in 91% of U.S. towns.

❄️ Winter+1.5° now 28°, was 26°
🌷 Spring+0.9° now 52°, was 51°
☀️ Summer−0.1° now 74°, was 74°
🍂 Fall+0.3° now 54°, was 54°

Change by month1991–2020 average minus 1901–2000 average, at Lomax’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 15° to 39°. June is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Lomax’s climate

What is the coldest month in Lomax?

January, with a typical high of 33° and a low of 16°.

What is the hottest month in Lomax?

July, with a typical high of 86° and a low of 66°. About 23 days a year reach 90°.

How much snow does Lomax get?

About 22 inches in a normal winter, most of it in January.

When is the first frost in Lomax?

In half of years the first 32° night comes by October 20, and the last spring frost by April 15.

What is the rainiest month in Lomax?

May, with 5.1 inches of rain and melted snow. The year totals 38 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Lomax itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Burlington 2s, IA (7 mi, snow) and Burlington Municipal Airport, IA (8 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.

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