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Mountain Home Commercial Historic DistrictMountain Home Commercial Historic District · Photo: JenBaker1951 · CC BY-SA 3.0
Climate in Mountain Home · NOAA 1991–2020 normals

Afternoon heat in Mountain Home beats that of 76% of U.S. towns

The coldest hours of a January night bottom out at 26° on average. Only 64° separates winter nights from summer afternoons. By precipitation alone, it ranks wetter than 73% of U.S. towns. If you like long walks, April, May, September and October offer highs of 70–82°.

Less snow than 67% of U.S. towns#112Least snow  of 124 in AR
Milder January nights than 66% of U.S. towns#115Mildest winters  of 126 in AR
All AR rankings →

A year in Mountain Home at a glance

Each month’s typical high and low, and what it brings.

Jan47°26°
Feb52°29°
Mar60°37° Last frost ~Mar 31
Apr70°46°
May77°55° 1 day 90°+Wettest
Jun85°63° 6 days 90°+
Jul90°67° 17 days 90°+
Aug89°65° 15 days 90°+
Sep82°58° 5 days 90°+
Oct71°46°
Nov now59°37° First frost ~Nov 1
Dec49°29°

What stands out about Mountain Home’s climate

Compared with towns across the U.S., with Mountain Home’s place in Arkansas beside it.

A normal year

What a year in Mountain Home feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
49° / 28°
3 days with 1"+ of snow
Spring
69° / 46°
Last frost around Mar 31
Summer
88° / 65°
44 days reach 90°
Fall
71° / 47°
First frost around Nov 1
Best months to be outsideAprMaySepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 214 frost-free days a year

In half of years the last 32° night comes by March 31 and the first by November 1. Frost and day counts come from NOAA’s station at Mtn Home 1 Nnw, AR, 0.9 miles from the town’s center, at about the same height.

85
nights at or below 32° in a normal year
109th fewest of 126 in Arkansas
Fewer freezing nights than 67% of U.S. towns
<1
nights at or below 0°
100th fewest of 126 in Arkansas
Fewer nights at or below 0° than 64% of U.S. towns
44
days that reach 90°
111th most of 126 in Arkansas
More 90° days than 72% of U.S. towns
3
days that reach 100°
85th most of 126 in Arkansas
More 100° days than 83% of U.S. towns
7bUSDA zone
Plant hardiness zone 7b

The 2023 USDA map puts Mountain Home’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 5°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

23
JFMAMJJASOND

90° days by month

Average days at 90° or more

17
JFMAMJJASOND
Rain & snow

About 8 inches of snow a winter

Snow, measured at Mtn Home 1 Nnw, AR, falls mostly in February. Precipitation (rain plus melted snow) adds up to 48 inches a year; May is the wettest month and January the driest. Rain or snow falls on about 110 days a year.

48"
Rain + melted snow a year
108th wettest of 126 in Arkansas
Wetter than 73% of U.S. towns
7.8"
Snow in a normal winter
112th least snowy of 124 in Arkansas
Less snow than 67% of U.S. towns
1 days
With 1"+ of snow on the ground
44th fewest of 120 in Arkansas
Fewer days with snow on the ground than 71% of U.S. towns

Rain + melted snow by month

Inches of water

5.4"
JFMAMJJASOND

Snowfall by month

Inches of snow

3"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Mountain Home

72% of the work is heating. Months averaging under 55° run from November through March.

3,989 heating degree daysLess heating than 71% of U.S. towns
1,550 cooling degree daysMore cooling than 75% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Mtn Home 1 Nnw, AR.

Living here

Living with Mountain Home’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

214 frost-free days in zone 7b. The last frost comes by Mar 31 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 1.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, September and October. 17 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Mountain Home from natural hazards, river flooding is the largest share (24%); heat waves, cold waves, winter storms and ice storms together are 28%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door & far away

Mountain Home and similar climates

TownRatings has no climate map of the towns around Mountain Home yet.

Climates most like Mountain Home’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Mountain Home, AR26°90°48"7.8"
Cape Girardeau, MO26°89°48"7.5"
Mechanicsville, VA28°89°46"8.8"
Metropolis, IL27°89°50"8.9"
Salisbury, MD27°89°46"8.0"

Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.

Then and now

Warmer than it used to be

The last 30 years in Mountain Home averaged 1.0° warmer than the 1900s. The biggest change is in February (+1.8°).

+1.0°1991–2020 vs. 1901–2000

A smaller shift than in 77% of U.S. towns.

Winter+1.7°now 38°, was 37°
Spring+0.9°now 57°, was 57°
Summer+0.7°now 77°, was 76°
Fall+0.7°now 59°, was 58°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Mountain Home compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mountain Home’s place among Arkansas’.

Summer heat90° July high
Hotter July afternoons than 76% of U.S. towns103rd hottest of 126 in Arkansas
Winter cold26° January low
Milder January nights than 66% of U.S. towns115th mildest of 126 in Arkansas
Precipitation48" a year
Wetter than 73% of U.S. towns108th wettest of 126 in Arkansas
Snow7.8" a winter
Less snow than 67% of U.S. towns112th least snowy of 124 in Arkansas
Hot days44 days at 90°+
More 90° days than 72% of U.S. towns111th most of 126 in Arkansas
Freezing nights85 a year
Fewer freezing nights than 67% of U.S. towns109th fewest of 126 in Arkansas
Growing season214 frost-free days
A longer frost-free season than 76% of U.S. towns88th longest of 126 in Arkansas
Month by month

Mountain Home weather by month

Highs, lows and precipitation from NOAA’s grid at Mountain Home’s center; snow, wet days and snow on the ground from Mtn Home 1 Nnw, AR. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January47°26°2.9"1.9"8031° – 45°
February52°29°3.0"2.6"8131° – 49°
March60°37°4.6"2.0"11042° – 60°
April70°46°5.1"0.0"10051° – 64°
May77°55°5.4"0.0"12062° – 72°
June85°63°3.9"0.0"9069° – 79°
July90°67°3.8"0.0"9073° – 84°
August89°65°3.5"0.0"9070° – 83°
September82°58°3.6"0.0"8066° – 76°
October71°46°3.8"0.1"9053° – 64°
November59°37°4.3"0.0"9041° – 55°
December49°29°3.5"1.2"9026° – 46°
Year69°46°47.5"7.8"1101
Year to year

How much a month can swing

A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 26° to 46°. June is the most reliable, staying within 10°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Mountain Home’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Mountain Home’s center.
  • Snow: Mtn Home 1 Nnw, AR (NOAA station in town).
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Mtn Home 1 Nnw, AR, 0.9 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Mountain Home’s climate

What is the weather like in Mountain Home?

A typical July afternoon reaches 90°, a January night drops to 26°, and about 8 inches of snow falls in a normal winter. Milder January nights than 66% of U.S. towns; hotter July afternoons than 76% of U.S. towns.

How cold does it get in Mountain Home in winter?

January nights average 26°. About 85 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 31°.

How much snow does Mountain Home get?

About 7.8 inches in a normal winter at Mtn Home 1 Nnw, AR, most of it in February, with snow on the ground about 1 days a year.

How hot does it get in Mountain Home?

July, with a typical high of 90° and a low of 67°. About 44 days a year reach 90° and 3 reach 100° (Mtn Home 1 Nnw, AR).

When is the first and last frost in Mountain Home?

In half of years the last spring frost (32°) comes by March 31 and the first fall frost by November 1, about 214 frost-free days, at Mtn Home 1 Nnw, AR.

What growing zone is Mountain Home in?

Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 5°.

What is the best time of year to visit Mountain Home?

By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Mountain Home getting warmer?

Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 77% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Mountain Home.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.