Center & Abernathy Store Building · Photo: Jon Roanhaus · CC BY-SA 4.0Copperhill sits near the top of U.S. towns for precipitation, with 58 inches a year
January nights here settle around 28°. Only 59° separates winter nights from summer afternoons. Winters are mild: January nights here are milder than in 69% of U.S. towns. Warm coats and heating bills mark the months from November to March, when means dip under 50°.
A year in Copperhill at a glance
Each month’s typical high and low, and what it brings.
What stands out about Copperhill’s climate
Compared with towns across the U.S., with Copperhill’s place in Tennessee beside it.
What a year in Copperhill feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 180 frost-free days a year
In half of years the last 32° night comes by April 22 and the first by October 20. Frost and day counts come from NOAA’s station at Murphy 4ese, NC, 24 miles from the town’s center, at about the same height.
The 2023 USDA map puts Copperhill’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 4 inches of snow a winter
Snow, measured at Murphy 4ese, NC, falls mostly in December. Precipitation (rain plus melted snow) adds up to 58 inches a year; December is the wettest month and October the driest. Rain or snow falls on about 132 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Copperhill
80% 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 Murphy 4ese, NC.
Living with Copperhill’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
180 frost-free days in zone 7b. The last frost comes by Apr 22 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 20.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 2.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Copperhill from natural hazards, river flooding is the largest share (51%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Copperhill and similar climates
TownRatings has no climate map of the towns around Copperhill yet.
Climates most like Copperhill’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 |
|---|---|---|---|---|
| Copperhill, TN | 28° | 86° | 58" | 4.4" |
| Lebanon, KY | 25° | 87° | 52" | 3.3" |
| Mount Airy, NC | 27° | 87° | 52" | 8.2" |
| Charlestown, IN | 24° | 87° | 50" | 4.3" |
| Mena, AR | 29° | 90° | 58" | 4.0" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
About as warm as it used to be
The last 30 years in Copperhill averaged 0.2° warmer than the 1900s. The biggest change is in December (+1.4°).
A smaller shift than in all but 27 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 Copperhill compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Copperhill’s place among Tennessee’s.
Copperhill weather by month
Highs, lows and precipitation from NOAA’s grid at Copperhill’s center; snow, wet days and snow on the ground from Murphy 4ese, NC. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 49° | 28° | 5.2" | 0.8" | 12 | 1 | 30° – 45° |
| February | 53° | 30° | 5.0" | 1.5" | 11 | 1 | 31° – 50° |
| March | 61° | 37° | 5.4" | 0.1" | 12 | 0 | 42° – 58° |
| April | 71° | 43° | 5.1" | 0.0" | 11 | 0 | 51° – 61° |
| May | 77° | 52° | 4.3" | 0.0" | 11 | 0 | 59° – 69° |
| June | 83° | 60° | 5.3" | 0.0" | 13 | 0 | 67° – 76° |
| July | 86° | 64° | 4.9" | 0.0" | 12 | 0 | 72° – 78° |
| August | 86° | 63° | 5.0" | 0.0" | 11 | 0 | 70° – 79° |
| September | 81° | 56° | 4.2" | 0.0" | 9 | 0 | 66° – 74° |
| October | 71° | 45° | 3.5" | 0.0" | 8 | 0 | 54° – 62° |
| November | 60° | 35° | 4.7" | 0.1" | 9 | 0 | 42° – 53° |
| December | 52° | 30° | 5.5" | 1.9" | 12 | 1 | 32° – 51° |
| Year | 69° | 45° | 58.1" | 4.4" | 132 | 3 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 32° to 51°. July is the most reliable, staying within 6°.
Where Copperhill’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 Copperhill’s center.
- Snow: Murphy 4ese, NC.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Murphy 4ese, NC, 24 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 Copperhill’s climate
What is the weather like in Copperhill?
A typical July afternoon reaches 86°, a January night drops to 28°, and about 4 inches of snow falls in a normal winter. Milder January nights than 69% of U.S. towns; hotter July afternoons than 58% of U.S. towns.
How cold does it get in Copperhill in winter?
January nights average 28°. About 103 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 30°.
How much snow does Copperhill get?
About 4.4 inches in a normal winter at Murphy 4ese, NC, most of it in December, with snow on the ground about 3 days a year.
How hot does it get in Copperhill?
July, with a typical high of 86° and a low of 64°. About 21 days a year reach 90° (Murphy 4ese, NC).
When is the first and last frost in Copperhill?
In half of years the last spring frost (32°) comes by April 22 and the first fall frost by October 20, about 180 frost-free days, at Murphy 4ese, NC.
What growing zone is Copperhill 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 Copperhill?
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 Copperhill getting warmer?
Yes: 1991–2020 averaged 0.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than all but 27 U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Copperhill.
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.