Community Building · Photo: Brian Stansberry · CC BY 3.0Precipitation in Clarksburg tops that of 94% of U.S. towns: 55 inches a year
January nights here settle around 29°. Winter and summer sit 61° apart. By July afternoons alone, it runs hotter than 74% of U.S. towns. For walks and days out, April, May, September and October bring highs of 72–83°.
A year in Clarksburg at a glance
Each month’s typical high and low, and what it brings.
What stands out about Clarksburg’s climate
Compared with towns across the U.S., with Clarksburg’s place in Tennessee beside it.
What a year in Clarksburg feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 211 frost-free days a year
In half of years the last 32° night comes by April 2 and the first by October 31. Frost and day counts come from NOAA’s station at Huntingdon Wtp, TN, 9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Clarksburg’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 7°. 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 Huntingdon Wtp, TN, falls mostly in January. Precipitation (rain plus melted snow) adds up to 55 inches a year; May is the wettest month and October the driest. Rain or snow falls on about 109 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Clarksburg
69% 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 Huntingdon Wtp, TN.
Living with Clarksburg’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
211 frost-free days in zone 7b. The last frost comes by Apr 2 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 31.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October.
Parks & trails →Cold waves are 26% of the yearly building losses FEMA expects in Clarksburg from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.
Natural hazards →Clarksburg and similar climates
TownRatings has no climate map of the towns around Clarksburg yet.
Climates most like Clarksburg’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 |
|---|---|---|---|---|
| Clarksburg, TN | 29° | 89° | 55" | 3.3" |
| Mena, AR | 29° | 90° | 58" | 4.0" |
| LaFayette, GA | 31° | 89° | 53" | 2.1" |
| Glasgow, KY | 26° | 89° | 53" | 5.7" |
| Scottsboro, AL | 31° | 90° | 57" | 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 Clarksburg averaged 0.8° warmer than the 1900s. The biggest change is in February (+1.6°).
A smaller shift than in 88% 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 Clarksburg compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Clarksburg’s place among Tennessee’s.
Clarksburg weather by month
Highs, lows and precipitation from NOAA’s grid at Clarksburg’s center; snow, wet days and snow on the ground from Huntingdon Wtp, TN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 48° | 29° | 4.3" | 1.6" | 10 | 1 | 31° – 46° |
| February | 53° | 32° | 4.7" | 1.0" | 9 | 1 | 31° – 51° |
| March | 62° | 39° | 5.6" | 0.2" | 11 | 0 | 43° – 61° |
| April | 72° | 47° | 5.3" | 0.0" | 10 | 0 | 53° – 64° |
| May | 79° | 57° | 5.7" | 0.0" | 11 | 0 | 63° – 74° |
| June | 86° | 65° | 4.7" | 0.0" | 9 | 0 | 71° – 80° |
| July | 89° | 69° | 4.3" | 0.0" | 9 | 0 | 73° – 82° |
| August | 89° | 67° | 4.0" | 0.0" | 7 | 0 | 72° – 85° |
| September | 83° | 59° | 3.6" | 0.0" | 6 | 0 | 67° – 78° |
| October | 73° | 47° | 3.4" | 0.0" | 8 | 0 | 56° – 66° |
| November | 61° | 38° | 4.6" | 0.1" | 9 | 0 | 43° – 54° |
| December | 51° | 32° | 5.0" | 0.4" | 10 | 0 | 30° – 51° |
| Year | 70° | 48° | 55.1" | 3.3" | 109 | 3 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 30° to 51°. July is the most reliable, staying within 9°.
Where Clarksburg’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 Clarksburg’s center.
- Snow: Huntingdon Wtp, TN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Huntingdon Wtp, TN, 9 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 Clarksburg’s climate
What is the weather like in Clarksburg?
A typical July afternoon reaches 89°, 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 74% of U.S. towns.
How cold does it get in Clarksburg in winter?
January nights average 29°. About 84 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 31°.
How much snow does Clarksburg get?
About 3.3 inches in a normal winter at Huntingdon Wtp, TN, most of it in January, with snow on the ground about 3 days a year.
How hot does it get in Clarksburg?
July, with a typical high of 89° and a low of 69°. About 47 days a year reach 90° and 1 reach 100° (Huntingdon Wtp, TN).
When is the first and last frost in Clarksburg?
In half of years the last spring frost (32°) comes by April 2 and the first fall frost by October 31, about 211 frost-free days, at Huntingdon Wtp, TN.
What growing zone is Clarksburg in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 7°.
What is the best time of year to visit Clarksburg?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Clarksburg getting warmer?
Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 88% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Clarksburg.
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.