Photo: Brian Stansberry · CC BY 3.0For weather, Jonesborough is about as ordinary as U.S. towns get
The coldest hours of a January night bottom out at 28° on average. Temperatures cover 58° across the year, low to high. Precipitation is plentiful here, more than falls on 70% of U.S. towns. Central heating does most of its work from November to March, in months below 50° on average.
A year in Jonesborough at a glance
Each month’s typical high and low, and what it brings.
What stands out about Jonesborough’s climate
Compared with towns across the U.S., with Jonesborough’s place in Tennessee beside it.
What a year in Jonesborough feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 183 frost-free days a year
In half of years the last 32° night comes by April 21 and the first by October 23. Frost and day counts come from NOAA’s station at Erwin 1 W, TN, 11 miles from the town’s center, at about the same height.
The 2023 USDA map puts Jonesborough’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 5°. 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 9 inches of snow a winter
Snow, measured at Bristol Tri City Airport, is heaviest from January through February, about 3 inches a month. Precipitation (rain plus melted snow) adds up to 47 inches a year; July is the wettest month and October the driest. Rain or snow falls on about 138 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Jonesborough
83% 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 Erwin 1 W, TN.
Living with Jonesborough’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
183 frost-free days in zone 7a. The last frost comes by Apr 21 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 23.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 0.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Jonesborough from natural hazards, river flooding is the largest share (56%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Jonesborough and similar climates
TownRatings has no climate map of the towns around Jonesborough yet.
Climates most like Jonesborough’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 |
|---|---|---|---|---|
| Jonesborough, TN | 28° | 86° | 47" | 9.2" |
| Forest, VA | 26° | 87° | 47" | 12" |
| Ocean Pines, MD | 30° | 86° | 46" | 10" |
| Millsboro, DE | 29° | 87° | 46" | 11" |
| Ocean Acres, NJ | 25° | 85° | 47" | 10" |
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 Jonesborough averaged 0.8° warmer than the 1900s. The biggest change is in December (+1.8°).
A smaller shift than in 89% 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 Jonesborough compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Jonesborough’s place among Tennessee’s.
Jonesborough weather by month
Highs, lows and precipitation from NOAA’s grid at Jonesborough’s center; snow, wet days and snow on the ground from Bristol Tri City Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 28° | 3.7" | 3.0" | 13 | 3 | 29° – 44° |
| February | 51° | 30° | 3.7" | 3.0" | 13 | 2 | 30° – 50° |
| March | 59° | 36° | 4.1" | 1.1" | 14 | 1 | 40° – 58° |
| April | 69° | 44° | 4.2" | 0.1" | 12 | 0 | 52° – 61° |
| May | 77° | 52° | 4.6" | 0.0" | 13 | 0 | 58° – 69° |
| June | 83° | 60° | 4.2" | 0.0" | 12 | 0 | 68° – 75° |
| July | 86° | 64° | 5.1" | 0.0" | 13 | 0 | 71° – 78° |
| August | 85° | 63° | 4.2" | 0.0" | 11 | 0 | 70° – 79° |
| September | 80° | 57° | 3.2" | 0.0" | 8 | 0 | 65° – 74° |
| October | 70° | 45° | 3.0" | 0.0" | 9 | 0 | 54° – 63° |
| November | 59° | 35° | 3.2" | 0.3" | 10 | 0 | 41° – 52° |
| December | 50° | 30° | 3.9" | 1.7" | 12 | 1 | 29° – 51° |
| Year | 68° | 45° | 47.0" | 9.2" | 138 | 7 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 29° to 51°. June is the most reliable, staying within 7°.
Where Jonesborough’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 Jonesborough’s center.
- Snow: Bristol Tri City Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Erwin 1 W, TN, 11 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 Jonesborough’s climate
What is the weather like in Jonesborough?
A typical July afternoon reaches 86°, a January night drops to 28°, and about 9 inches of snow falls in a normal winter. Milder January nights than 69% of U.S. towns; hotter July afternoons than 55% of U.S. towns.
How cold does it get in Jonesborough in winter?
January nights average 28°. About 98 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 29°.
How much snow does Jonesborough get?
About 9.2 inches in a normal winter at Bristol Tri City Airport, heaviest from January through February, about 3 inches a month, with snow on the ground about 7 days a year.
How hot does it get in Jonesborough?
July, with a typical high of 86° and a low of 64°. About 18 days a year reach 90° (Erwin 1 W, TN).
When is the first and last frost in Jonesborough?
In half of years the last spring frost (32°) comes by April 21 and the first fall frost by October 23, about 183 frost-free days, at Erwin 1 W, TN.
What growing zone is Jonesborough in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 5°.
What is the best time of year to visit Jonesborough?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Jonesborough getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 89% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Jonesborough.
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.