Photo: Clinton Steeds · CC BY 2.0Afternoon heat in Dyer beats that of 91% of U.S. towns
January nights here settle around 28°. Its yearly precipitation tops that of 86% of U.S. towns. Compared with 1901–2000, the average now sits 0.7° higher. The frost-free window for a garden runs roughly April 9 to October 28.
A year in Dyer at a glance
Each month’s typical high and low, and what it brings.
What stands out about Dyer’s climate
Compared with towns across the U.S., with Dyer’s place in Arkansas beside it.
What a year in Dyer feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 201 frost-free days a year
In half of years the last 32° night comes by April 9 and the first by October 28. Frost and day counts come from NOAA’s station at Mountainburg 2 Ne, AR, 11 miles from the town’s center, 390 ft higher.
The 2023 USDA map puts Dyer’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 11°. 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 3 inches of snow a winter
Snow, measured at Mountainburg 2 Ne, AR, falls mostly in January. Precipitation (rain plus melted snow) adds up to 51 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 98 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Dyer
70% 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 Mountainburg 2 Ne, AR.
Living with Dyer’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
201 frost-free days in zone 8a. The last frost comes by Apr 9 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 28.
Months with highs of 62–84° and lows of 40° or more: April, May and October. 1.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Dyer from natural hazards, river flooding is the largest share (49%); heat waves, cold waves, winter storms and ice storms together are 23%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Dyer and similar climates
TownRatings has no climate map of the towns around Dyer yet.
Climates most like Dyer’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 |
|---|---|---|---|---|
| Dyer, AR | 28° | 93° | 51" | 3.1" |
| Kennett, MO | 29° | 90° | 51" | 2.9" |
| Mount Pleasant, TX | 35° | 94° | 48" | 1.9" |
| Clayton, NC | 31° | 90° | 49" | 3.2" |
| Millington, TN | 32° | 91° | 55" | 2.8" |
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 Dyer averaged 0.7° warmer than the 1900s. The biggest change is in December (+1.4°).
A smaller shift than in 94% of 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 Dyer compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Dyer’s place among Arkansas’.
Dyer weather by month
Highs, lows and precipitation from NOAA’s grid at Dyer’s center; snow, wet days and snow on the ground from Mountainburg 2 Ne, AR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 50° | 28° | 3.2" | 1.8" | 8 | 1 | 34° – 47° |
| February | 56° | 32° | 2.9" | 0.7" | 7 | 1 | 37° – 52° |
| March | 64° | 40° | 4.4" | 0.5" | 9 | 0 | 45° – 62° |
| April | 73° | 48° | 4.9" | 0.0" | 9 | 0 | 55° – 66° |
| May | 81° | 57° | 5.9" | 0.0" | 11 | 0 | 66° – 75° |
| June | 89° | 66° | 4.5" | 0.0" | 9 | 0 | 73° – 83° |
| July | 93° | 70° | 3.9" | 0.0" | 8 | 0 | 76° – 88° |
| August | 93° | 69° | 4.0" | 0.0" | 7 | 0 | 74° – 86° |
| September | 85° | 61° | 4.3" | 0.0" | 7 | 0 | 69° – 80° |
| October | 75° | 49° | 4.4" | 0.0" | 8 | 0 | 57° – 68° |
| November | 62° | 39° | 4.5" | 0.0" | 8 | 0 | 44° – 56° |
| December | 52° | 31° | 3.9" | 0.1" | 8 | 1 | 30° – 48° |
| Year | 73° | 49° | 50.9" | 3.1" | 98 | 3 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 30° to 48°. May is the most reliable, staying within 9°.
Where Dyer’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 Dyer’s center.
- Snow: Mountainburg 2 Ne, AR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Mountainburg 2 Ne, AR, 11 miles from the town’s center, 390 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 Dyer’s climate
What is the weather like in Dyer?
A typical July afternoon reaches 93°, a January night drops to 28°, and about 3 inches of snow falls in a normal winter. Milder January nights than 70% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Dyer in winter?
January nights average 28°. About 87 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 34°.
How much snow does Dyer get?
About 3.1 inches in a normal winter at Mountainburg 2 Ne, AR, most of it in January, with snow on the ground about 3 days a year.
How hot does it get in Dyer?
July, with a typical high of 93° and a low of 70°. About 65 days a year reach 90° and 7 reach 100° (Mountainburg 2 Ne, AR).
When is the first and last frost in Dyer?
In half of years the last spring frost (32°) comes by April 9 and the first fall frost by October 28, about 201 frost-free days, at Mountainburg 2 Ne, AR.
What growing zone is Dyer in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 11°.
What is the best time of year to visit Dyer?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Dyer getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 94% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Dyer.
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.