Mellwood gets more rain and snow than 87% of U.S. towns: 51 inches of precipitation a year
The coldest hours of a January night bottom out at 34° on average. Precipitation peaks in April and eases off in August. In July, afternoons here are warmer than in 82% of U.S. towns. Plan time outside from March to May and October to November, when highs sit at 63–82°.
A year in Mellwood at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mellwood’s climate
Compared with towns across the U.S., with Mellwood’s place in Arkansas beside it.
What a year in Mellwood feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 238 frost-free days a year
In half of years the last 32° night comes by March 17 and the first by November 10. Frost and day counts come from NOAA’s station at Saint Charles, AR, 15 miles from the town’s center, at about the same height.
The 2023 USDA map puts Mellwood’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 16°. 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 Saint Charles, AR, falls mostly in January. Precipitation (rain plus melted snow) adds up to 51 inches a year; April is the wettest month and August the driest. Rain or snow falls on about 72 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Mellwood
61% 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 Saint Charles, AR.
Living with Mellwood’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
238 frost-free days in zone 8b. The last frost comes by Mar 17 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 10.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November.
Parks & trails →Of the yearly building losses FEMA expects in Mellwood from natural hazards, river flooding is the largest share (33%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Mellwood and similar climates
TownRatings has no climate map of the towns around Mellwood yet.
Climates most like Mellwood’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 |
|---|---|---|---|---|
| Mellwood, AR | 34° | 91° | 51" | 1.2" |
| McDonough, GA | 34° | 90° | 51" | 0.8" |
| Goldsboro, NC | 33° | 90° | 51" | 2.0" |
| Centerville, SC | 33° | 90° | 49" | 0.9" |
| Lincoln, AL | 33° | 91° | 54" | 0.9" |
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 Mellwood averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.3°).
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 Mellwood compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mellwood’s place among Arkansas’.
Mellwood weather by month
Highs, lows and precipitation from NOAA’s grid at Mellwood’s center; snow, wet days and snow on the ground from Saint Charles, AR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 51° | 34° | 4.3" | 0.6" | 7 | 0 | 36° – 49° |
| February | 55° | 37° | 4.6" | 0.2" | 7 | 0 | 37° – 55° |
| March | 64° | 44° | 5.3" | 0.4" | 7 | 0 | 48° – 64° |
| April | 73° | 53° | 5.8" | 0.0" | 7 | 0 | 57° – 68° |
| May | 82° | 62° | 4.7" | 0.0" | 7 | 0 | 68° – 78° |
| June | 89° | 70° | 3.6" | 0.0" | 5 | 0 | 76° – 83° |
| July | 91° | 72° | 3.6" | 0.0" | 6 | 0 | 77° – 85° |
| August | 91° | 71° | 2.9" | 0.0" | 5 | 0 | 76° – 85° |
| September | 86° | 64° | 3.0" | 0.0" | 4 | 0 | 72° – 82° |
| October | 76° | 52° | 4.0" | 0.0" | 5 | 0 | 59° – 69° |
| November | 63° | 43° | 4.2" | 0.0" | 6 | 0 | 47° – 57° |
| December | 53° | 36° | 5.5" | 0.0" | 6 | 0 | 34° – 53° |
| Year | 73° | 53° | 51.4" | 1.2" | 72 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 34° to 53°. June is the most reliable, staying within 8°.
Where Mellwood’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 Mellwood’s center.
- Snow: Saint Charles, AR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Saint Charles, AR, 15 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 Mellwood’s climate
What is the weather like in Mellwood?
A typical July afternoon reaches 91°, a January night drops to 34°, and about 1 inches of snow falls in a normal winter. Milder January nights than 78% of U.S. towns; hotter July afternoons than 82% of U.S. towns.
How cold does it get in Mellwood in winter?
January nights average 34°. About 54 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 36°.
How much snow does Mellwood get?
About 1.2 inches in a normal winter at Saint Charles, AR, most of it in January, with snow on the ground about 0 days a year.
How hot does it get in Mellwood?
July, with a typical high of 91° and a low of 72°. About 68 days a year reach 90° and 2 reach 100° (Saint Charles, AR).
When is the first and last frost in Mellwood?
In half of years the last spring frost (32°) comes by March 17 and the first fall frost by November 10, about 238 frost-free days, at Saint Charles, AR.
What growing zone is Mellwood in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 16°.
What is the best time of year to visit Mellwood?
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 Mellwood 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 Mellwood.
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.