Lake Catherine State Park-Bridge No. 2 · Photo: Valis55 · CC BY-SA 3.0Diamondhead reaches 100° on about 14 days a year, more than 93% of U.S. towns
A typical July afternoon reaches 93°, a January night drops to 31°, and about 1 inches of snow falls in a normal winter.
A year in Diamondhead at a glance
Each month’s typical high and low, and what it brings.
What stands out about Diamondhead’s climate
Compared with towns across the U.S., with Diamondhead’s place in Arkansas beside it.
What a year in Diamondhead feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 239 frost-free days a year
In half of years the last 32° night comes by March 19 and the first by November 13. Frost and day counts come from NOAA’s station at Hot Springs 1 Nne, AR, 7 miles from the town’s center, 250 ft higher.
The 2023 USDA map puts Diamondhead’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 13°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 1 inches of snow a winter
Snow, measured at Hot Springs 1 Nne, AR, falls mostly in January. Precipitation (rain plus melted snow) adds up to 55 inches a year; May is the wettest month and August the driest. Rain or snow falls on about 110 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Diamondhead
58% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Hot Springs 1 Nne, AR.
Living with Diamondhead’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
239 frost-free days in zone 8a. The last frost comes by Mar 19 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 13.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Diamondhead from natural hazards, river flooding is the largest share (59%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Diamondhead and similar climates
TownRatings has no climate map of the towns around Diamondhead yet.
Climates most like Diamondhead’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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Diamondhead, AR | 31° | 93° | 55" | 1.1" |
| Columbus, MS | 33° | 92° | 56" | 0.4" |
| Helena, AL | 33° | 91° | 56" | 1.2" |
| Bartlett, TN | 32° | 91° | 56" | 2.8" |
| Rome, GA | 32° | 90° | 52" | 0.4" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Diamondhead averaged 0.3° warmer than the 1900s. The biggest change is in February (+0.8°).
A smaller shift than in all but 76 U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Diamondhead compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Diamondhead’s place among Arkansas’.
Diamondhead weather by month
Highs, lows and precipitation from NOAA’s grid at Diamondhead’s center; snow, wet days and snow on the ground from Hot Springs 1 Nne, AR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 52° | 31° | 3.7" | 0.6" | 10 | 0 | 37° – 49° |
| February | 57° | 34° | 4.3" | 0.4" | 10 | 0 | 38° – 54° |
| March | 66° | 41° | 5.1" | 0.1" | 11 | 0 | 48° – 63° |
| April | 74° | 49° | 5.6" | 0.0" | 10 | 0 | 57° – 67° |
| May | 81° | 59° | 5.8" | 0.0" | 11 | 0 | 67° – 75° |
| June | 89° | 67° | 4.1" | 0.0" | 8 | 0 | 73° – 83° |
| July | 93° | 70° | 4.2" | 0.0" | 9 | 0 | 76° – 85° |
| August | 92° | 69° | 3.5" | 0.0" | 8 | 0 | 75° – 85° |
| September | 86° | 62° | 3.8" | 0.0" | 8 | 0 | 70° – 81° |
| October | 75° | 50° | 4.7" | 0.0" | 8 | 0 | 57° – 68° |
| November | 63° | 40° | 4.7" | 0.0" | 9 | 0 | 46° – 56° |
| December | 54° | 33° | 5.0" | 0.0" | 10 | 0 | 33° – 50° |
| Year | 73° | 51° | 54.5" | 1.1" | 110 | 1 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 33° to 50°. May is the most reliable, staying within 8°.
Where Diamondhead’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 Diamondhead’s center.
- Snow: Hot Springs 1 Nne, AR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hot Springs 1 Nne, AR, 7 miles from the town’s center, 250 ft higher; 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 Diamondhead’s climate
What is the weather like in Diamondhead?
A typical July afternoon reaches 93°, a January night drops to 31°, and about 1 inches of snow falls in a normal winter. Milder January nights than 74% of U.S. towns; hotter July afternoons than 90% of U.S. towns.
How cold does it get in Diamondhead in winter?
January nights average 31°. About 59 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 37°.
How much snow does Diamondhead get?
About 1.1 inches in a normal winter at Hot Springs 1 Nne, AR, most of it in January, with snow on the ground about 1 days a year.
How hot does it get in Diamondhead?
July, with a typical high of 93° and a low of 70°. About 77 days a year reach 90° and 14 reach 100° (Hot Springs 1 Nne, AR).
When is the first and last frost in Diamondhead?
In half of years the last spring frost (32°) comes by March 19 and the first fall frost by November 13, about 239 frost-free days, at Hot Springs 1 Nne, AR.
What growing zone is Diamondhead in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 13°.
What is the best time of year to visit Diamondhead?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Diamondhead getting warmer?
Yes: 1991–2020 averaged 0.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 76 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Diamondhead.
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.