McEwen’s winters are milder and less snowy than most of the U.S.
A typical July afternoon reaches 88°, a January night drops to 28°, and about 3 inches of snow falls in a normal winter.
A year in McEwen at a glance
Each month’s typical high and low, and what it brings.
What stands out about McEwen’s climate
Compared with towns across the U.S., with McEwen’s place in Tennessee beside it.
What a year in McEwen feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 218 frost-free days a year
In half of years the last 32° night comes by April 2 and the first by November 4. Frost and day counts come from NOAA’s station at Waverly Airport, 6 miles from the town’s center, at about the same height.
The 2023 USDA map puts McEwen’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 6°. 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 Dickson, TN, falls mostly in January. Precipitation (rain plus melted snow) adds up to 55 inches a year; May is the wettest month and September the driest. Rain or snow falls on about 112 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in McEwen
71% 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 Waverly Airport.
Living with McEwen’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
218 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 Nov 4.
Months with highs of 62–84° and lows of 40° or more: April, May, September and October.
Parks & trails →Of the yearly building losses FEMA expects in McEwen from natural hazards, river flooding is the largest share (30%); heat waves, cold waves, winter storms and ice storms together are 17%. Normals are averages; the hazards page covers the extremes.
Natural hazards →McEwen and similar climates
TownRatings has no climate map of the towns around McEwen yet.
Climates most like McEwen’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 |
|---|---|---|---|---|
| McEwen, TN | 28° | 88° | 55" | 2.5" |
| Canton, GA | 31° | 88° | 54" | 1.3" |
| Lebanon, KY | 25° | 87° | 52" | 3.3" |
| Lenoir, NC | 28° | 88° | 50" | 4.1" |
| Berea, SC | 32° | 89° | 56" | 1.9" |
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 McEwen averaged 0.9° warmer than the 1900s. The biggest change is in February (+1.8°).
A smaller shift than in 84% 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 McEwen compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with McEwen’s place among Tennessee’s.
McEwen weather by month
Highs, lows and precipitation from NOAA’s grid at McEwen’s center; snow, wet days and snow on the ground from Dickson, TN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 28° | 4.3" | 0.8" | 10 | 0 | 30° – 45° |
| February | 52° | 31° | 4.8" | 0.6" | 10 | 0 | 31° – 49° |
| March | 61° | 38° | 5.0" | 0.5" | 10 | 0 | 43° – 60° |
| April | 71° | 46° | 5.1" | 0.0" | 10 | 0 | 53° – 63° |
| May | 78° | 55° | 5.3" | 0.0" | 10 | 0 | 61° – 72° |
| June | 84° | 64° | 5.0" | 0.0" | 10 | 0 | 70° – 78° |
| July | 88° | 67° | 4.5" | 0.0" | 9 | 0 | 73° – 81° |
| August | 88° | 65° | 3.9" | 0.0" | 8 | 0 | 71° – 84° |
| September | 82° | 58° | 3.7" | 0.0" | 7 | 0 | 66° – 77° |
| October | 71° | 46° | 3.9" | 0.0" | 8 | 0 | 56° – 64° |
| November | 59° | 36° | 4.1" | 0.0" | 9 | 0 | 42° – 53° |
| December | 50° | 31° | 5.0" | 0.6" | 11 | 0 | 29° – 50° |
| Year | 69° | 47° | 54.6" | 2.5" | 112 | 1 |
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 50°. July is the most reliable, staying within 8°.
Where McEwen’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 McEwen’s center.
- Snow: Dickson, TN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Waverly Airport, 6 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 McEwen’s climate
What is the weather like in McEwen?
A typical July afternoon reaches 88°, a January night drops to 28°, and about 3 inches of snow falls in a normal winter. Milder January nights than 69% of U.S. towns; hotter July afternoons than 67% of U.S. towns.
How cold does it get in McEwen in winter?
January nights average 28°. About 75 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 30°.
How much snow does McEwen get?
About 2.5 inches in a normal winter at Dickson, TN, most of it in January, with snow on the ground about 1 days a year.
How hot does it get in McEwen?
July, with a typical high of 88° and a low of 67°. About 36 days a year reach 90° and 2 reach 100° (Waverly Airport).
When is the first and last frost in McEwen?
In half of years the last spring frost (32°) comes by April 2 and the first fall frost by November 4, about 218 frost-free days, at Waverly Airport.
What growing zone is McEwen in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 6°.
What is the best time of year to visit McEwen?
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 McEwen getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 84% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in McEwen.
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.