Photo: LittleT889 · CC BY-SA 4.0July in Jacksonboro runs hotter than in 87% of U.S. towns
On a normal January night the air cools to about 37°. In January, nights here are milder than in 84% of U.S. towns. December has warmed most since 1901–2000, part of a 1.3° rise. Central heating does most of its work from January, in months below 50° on average.
A year in Jacksonboro at a glance
Each month’s typical high and low, and what it brings.
What stands out about Jacksonboro’s climate
Compared with towns across the U.S., with Jacksonboro’s place in South Carolina beside it.
What a year in Jacksonboro 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 12. Frost and day counts come from NOAA’s station at Walterboro 1 Sw, SC, 14 miles from the town’s center, at about the same height.
The 2023 USDA map puts Jacksonboro’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 20°. 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 49 inches of rain a year
August is the wettest month and November the driest. Rain falls on about 99 days a year. Snow is rare: about 0.0" in a normal year at Walterboro 1 Sw, SC, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Jacksonboro
54% of the work is heating. Months averaging under 55° run from December through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Walterboro 1 Sw, SC.
Living with Jacksonboro’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
239 frost-free days in zone 8b. 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 12.
Months with highs of 62–84° and lows of 40° or more: March, April, October and November.
Parks & trails →Of the yearly building losses FEMA expects in Jacksonboro from natural hazards, hurricanes are the largest share (52%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Jacksonboro and similar climates
TownRatings has no climate map of the towns around Jacksonboro yet.
Climates most like Jacksonboro’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 |
|---|---|---|---|---|
| Jacksonboro, SC | 37° | 92° | 49" | 0.0" |
| Cordele, GA | 37° | 92° | 49" | 0.1" |
| Phenix City, AL | 36° | 92° | 51" | 0.0" |
| Rusk, TX | 38° | 93° | 49" | 0.1" |
| Shreveport, LA | 37° | 94° | 52" | 0.1" |
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 Jacksonboro averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.4°).
A smaller shift than in 54% 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 Jacksonboro compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Jacksonboro’s place among South Carolina’s.
Jacksonboro weather by month
Highs, lows and precipitation from NOAA’s grid at Jacksonboro’s center; snow, wet days and snow on the ground from Walterboro 1 Sw, SC. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 60° | 37° | 3.4" | 0.0" | 8 | 0 | 43° – 55° |
| February | 64° | 40° | 3.2" | 0.0" | 8 | 0 | 45° – 60° |
| March | 70° | 46° | 3.4" | 0.0" | 8 | 0 | 52° – 65° |
| April | 78° | 52° | 3.3" | 0.0" | 7 | 0 | 60° – 70° |
| May | 84° | 61° | 3.2" | 0.0" | 7 | 0 | 68° – 77° |
| June | 89° | 68° | 5.5" | 0.0" | 10 | 0 | 74° – 83° |
| July | 92° | 72° | 5.8" | 0.0" | 11 | 0 | 80° – 85° |
| August | 90° | 71° | 6.4" | 0.0" | 12 | 0 | 78° – 83° |
| September | 86° | 66° | 5.0" | 0.0" | 8 | 0 | 73° – 80° |
| October | 78° | 55° | 4.0" | 0.0" | 6 | 0 | 63° – 71° |
| November | 69° | 45° | 2.8" | 0.0" | 6 | 0 | 52° – 63° |
| December | 63° | 40° | 3.4" | 0.0" | 8 | 0 | 42° – 62° |
| Year | 77° | 54° | 49.3" | 0.0" | 99 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 42° to 62°. August is the most reliable, staying within 5°.
Where Jacksonboro’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 Jacksonboro’s center.
- Snow: Walterboro 1 Sw, SC.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Walterboro 1 Sw, SC, 14 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 Jacksonboro’s climate
What is the weather like in Jacksonboro?
A typical July afternoon reaches 92°, a January night drops to 37°, and snow is almost unheard of. Milder January nights than 84% of U.S. towns; hotter July afternoons than 87% of U.S. towns.
How cold does it get in Jacksonboro in winter?
January nights average 37°. About 44 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 43°.
How much snow does Jacksonboro get?
About 0.0 inches in a normal winter at Walterboro 1 Sw, SC, so most winters see none.
How hot does it get in Jacksonboro?
July, with a typical high of 92° and a low of 72°. About 67 days a year reach 90° and 2 reach 100° (Walterboro 1 Sw, SC).
When is the first and last frost in Jacksonboro?
In half of years the last spring frost (32°) comes by March 19 and the first fall frost by November 12, about 239 frost-free days, at Walterboro 1 Sw, SC.
What growing zone is Jacksonboro in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 20°.
What is the best time of year to visit Jacksonboro?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Jacksonboro getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 54% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Jacksonboro.
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.