Stately Oaks · Photo: Maksim Sundukov · CC BY-SA 4.0Precipitation in Morrow tops that of 88% of U.S. towns: 52 inches a year
Sunny July days climb to about 90°. No month is much wetter than another: March, the wettest, gets little more than October, the driest. Winters are mild: January nights here are milder than in 78% of U.S. towns. Seedlings are safe outdoors from about March 25, with the first autumn frost due around November 12.
A year in Morrow at a glance
Each month’s typical high and low, and what it brings.
What stands out about Morrow’s climate
Compared with towns across the U.S., with Morrow’s place in Georgia beside it.
What a year in Morrow feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 235 frost-free days a year
In half of years the last 32° night comes by March 25 and the first by November 12. Frost and day counts come from NOAA’s station at Jonesboro, GA, 3 miles from the town’s center, at about the same height.
The 2023 USDA map puts Morrow’s center in zone 8a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 15°. 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 52 inches of rain a year
March is the wettest month and October the driest. Rain falls on about 113 days a year. Snow is rare: about 0.8" in a normal year at Jonesboro, GA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Morrow
62% 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 Jonesboro, GA.
Living with Morrow’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
235 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 12.
Months with highs of 62–84° and lows of 40° or more: March, April, May, September, October and November. 2.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Morrow from natural hazards, river flooding is the largest share (50%); heat waves, cold waves, winter storms and ice storms together are 15%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Morrow and its neighbors
Every town next door is within a degree of Morrow in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Morrow’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 |
|---|---|---|---|---|
| Morrow, GA | 34° | 90° | 52" | 0.8" |
| Kinston, NC | 33° | 90° | 53" | 0.7" |
| Little River, SC | 36° | 89° | 53" | 0.5" |
| Helena-West Helena, AR | 33° | 91° | 52" | 0.3" |
| Decatur, AL | 31° | 90° | 55" | 1.1" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Morrow averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.2°).
A smaller shift than in 82% 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 Morrow compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Morrow’s place among Georgia’s.
Morrow weather by month
Highs, lows and precipitation from NOAA’s grid at Morrow’s center; snow, wet days and snow on the ground from Jonesboro, GA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 53° | 34° | 4.7" | 0.5" | 11 | 0 | 36° – 50° |
| February | 58° | 37° | 4.8" | 0.0" | 11 | 0 | 39° – 57° |
| March | 66° | 43° | 4.9" | 0.1" | 10 | 0 | 48° – 63° |
| April | 74° | 49° | 4.0" | 0.0" | 9 | 0 | 57° – 66° |
| May | 81° | 58° | 3.5" | 0.0" | 8 | 0 | 65° – 75° |
| June | 87° | 66° | 4.6" | 0.0" | 11 | 0 | 71° – 81° |
| July | 90° | 70° | 4.9" | 0.0" | 11 | 0 | 76° – 83° |
| August | 89° | 69° | 4.3" | 0.0" | 10 | 0 | 75° – 83° |
| September | 83° | 63° | 3.8" | 0.0" | 8 | 0 | 70° – 80° |
| October | 74° | 52° | 3.4" | 0.0" | 7 | 0 | 60° – 67° |
| November | 64° | 41° | 4.0" | 0.0" | 8 | 0 | 47° – 58° |
| December | 56° | 36° | 4.8" | 0.2" | 10 | 0 | 37° – 56° |
| Year | 73° | 51° | 51.8" | 0.8" | 113 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 37° to 56°. July is the most reliable, staying within 6°.
Where Morrow’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 Morrow’s center.
- Snow: Jonesboro, GA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Jonesboro, GA, 3 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 Morrow’s climate
What is the weather like in Morrow?
A typical July afternoon reaches 90°, a January night drops to 34°, and snow is almost unheard of. Milder January nights than 78% of U.S. towns; hotter July afternoons than 75% of U.S. towns.
How cold does it get in Morrow in winter?
January nights average 34°. About 49 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 36°.
How much snow does Morrow get?
About 0.8 inches in a normal winter at Jonesboro, GA, so most winters see none.
How hot does it get in Morrow?
July, with a typical high of 90° and a low of 70°. About 59 days a year reach 90° and 1 reach 100° (Jonesboro, GA).
When is the first and last frost in Morrow?
In half of years the last spring frost (32°) comes by March 25 and the first fall frost by November 12, about 235 frost-free days, at Jonesboro, GA.
What growing zone is Morrow in?
Zone 8a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 15°.
What is the best time of year to visit Morrow?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, September, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Morrow getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Morrow.
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.