Robert Atlas Harper House · Photo: Valis55 · CC BY-SA 3.0Greenwood reaches 100° on about 11 days a year, more than 91% of U.S. towns
January nights here settle around 29°. Only 64° separates winter nights from summer afternoons. By precipitation alone, it ranks wetter than 86% of U.S. towns. Keep the boiler serviced for the months from December to February, which average under 50°.
A year in Greenwood at a glance
Each month’s typical high and low, and what it brings.
What stands out about Greenwood’s climate
Compared with towns across the U.S., with Greenwood’s place in Arkansas beside it.
What a year in Greenwood feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 224 frost-free days a year
In half of years the last 32° night comes by March 25 and the first by November 6. Frost and day counts come from NOAA’s station at Ft Smith Rgnl Airport, 11 miles from the town’s center, 110 ft lower.
The 2023 USDA map puts Greenwood’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 10°. 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 Ft Smith Rgnl Airport, 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 99 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Greenwood
59% 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 Ft Smith Rgnl Airport.
Living with Greenwood’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
224 frost-free days in zone 8a. The last frost comes by Mar 25 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 6.
Months with highs of 62–84° and lows of 40° or more: March, April, May and October. 1.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Greenwood from natural hazards, river flooding is the largest share (46%); heat waves, cold waves, winter storms and ice storms together are 28%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Greenwood and similar climates
TownRatings has no climate map of the towns around Greenwood yet.
Climates most like Greenwood’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 |
|---|---|---|---|---|
| Greenwood, AR | 29° | 93° | 51" | 2.9" |
| Kennett, MO | 29° | 90° | 51" | 2.9" |
| Clayton, NC | 31° | 90° | 49" | 3.2" |
| Millington, TN | 32° | 91° | 55" | 2.8" |
| Covington, GA | 33° | 91° | 50" | 1.3" |
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 Greenwood averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.4°).
A smaller shift than in 92% 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 Greenwood compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Greenwood’s place among Arkansas’.
Greenwood weather by month
Highs, lows and precipitation from NOAA’s grid at Greenwood’s center; snow, wet days and snow on the ground from Ft Smith Rgnl Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 51° | 29° | 3.2" | 1.4" | 8 | 1 | 36° – 47° |
| February | 56° | 33° | 3.0" | 0.6" | 8 | 0 | 37° – 53° |
| March | 64° | 40° | 4.4" | 0.3" | 10 | 0 | 45° – 62° |
| April | 73° | 49° | 5.0" | 0.0" | 9 | 0 | 55° – 67° |
| May | 81° | 58° | 6.0" | 0.0" | 11 | 0 | 66° – 75° |
| June | 88° | 66° | 4.6" | 0.0" | 9 | 0 | 73° – 83° |
| July | 93° | 70° | 3.7" | 0.0" | 7 | 0 | 76° – 88° |
| August | 92° | 69° | 4.1" | 0.0" | 7 | 0 | 74° – 86° |
| September | 85° | 62° | 4.5" | 0.0" | 7 | 0 | 70° – 81° |
| October | 75° | 50° | 4.2" | 0.0" | 8 | 0 | 57° – 68° |
| November | 62° | 39° | 4.4" | 0.0" | 7 | 0 | 45° – 57° |
| December | 53° | 32° | 3.8" | 0.6" | 8 | 0 | 31° – 49° |
| Year | 73° | 50° | 50.9" | 2.9" | 99 | 1 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 31° to 49°. May is the most reliable, staying within 9°.
Where Greenwood’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 Greenwood’s center.
- Snow: Ft Smith Rgnl Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ft Smith Rgnl Airport, 11 miles from the town’s center, 110 ft lower; 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 Greenwood’s climate
What is the weather like in Greenwood?
A typical July afternoon reaches 93°, a January night drops to 29°, and about 3 inches of snow falls in a normal winter. Milder January nights than 71% of U.S. towns; hotter July afternoons than 91% of U.S. towns.
How cold does it get in Greenwood in winter?
January nights average 29°. About 63 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 36°.
How much snow does Greenwood get?
About 2.9 inches in a normal winter at Ft Smith Rgnl Airport, most of it in January, with snow on the ground about 1 days a year.
How hot does it get in Greenwood?
July, with a typical high of 93° and a low of 70°. About 78 days a year reach 90° and 11 reach 100° (Ft Smith Rgnl Airport).
When is the first and last frost in Greenwood?
In half of years the last spring frost (32°) comes by March 25 and the first fall frost by November 6, about 224 frost-free days, at Ft Smith Rgnl Airport.
What growing zone is Greenwood in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 10°.
What is the best time of year to visit Greenwood?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Greenwood getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 92% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Greenwood.
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.