Photo: Brian Stansberry · CC BY 4.0Wet weather: 54 inches of rain and melted snow a year in Gleason, more than in 92% of U.S. towns
The depth of winter brings overnight lows near 28°. In July, afternoons here are warmer than in 74% of U.S. towns. Since 1901–2000, the year has warmed by 0.7°, most of all in February. Tender plants can go out after about April 3; in half of years the first frost comes by November 1.
A year in Gleason at a glance
Each month’s typical high and low, and what it brings.
What stands out about Gleason’s climate
Compared with towns across the U.S., with Gleason’s place in Tennessee beside it.
What a year in Gleason feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 212 frost-free days a year
In half of years the last 32° night comes by April 3 and the first by November 1. Frost and day counts come from NOAA’s station at Dresden, TN, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Gleason’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 54 inches of rain a year
May is the wettest month and October the driest. Rain falls on about 111 days a year. Snow is rare: about 0.4" in a normal year at Dresden, TN, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Gleason
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 Dresden, TN.
Living with Gleason’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
212 frost-free days in zone 7b. The last frost comes by Apr 3 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 1.
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 Gleason from natural hazards, earthquakes are the largest share (40%); heat waves, cold waves, winter storms and ice storms together are 25%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Gleason and similar climates
TownRatings has no climate map of the towns around Gleason yet.
Climates most like Gleason’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 |
|---|---|---|---|---|
| Gleason, TN | 28° | 89° | 54" | 0.4" |
| Dalton, GA | 31° | 89° | 54" | 0.0" |
| Hartselle, AL | 31° | 90° | 55" | 1.1" |
| Williamston, NC | 32° | 89° | 51" | 0.5" |
| Easley, SC | 32° | 89° | 52" | 1.0" |
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 Gleason averaged 0.7° warmer than the 1900s. The biggest change is in February (+1.9°).
A smaller shift than in 94% 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 Gleason compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Gleason’s place among Tennessee’s.
Gleason weather by month
Highs, lows and precipitation from NOAA’s grid at Gleason’s center; snow, wet days and snow on the ground from Dresden, TN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 28° | 4.1" | 0.0" | 10 | 0 | 30° – 46° |
| February | 51° | 32° | 4.6" | 0.3" | 9 | 0 | 30° – 50° |
| March | 61° | 39° | 5.2" | 0.1" | 10 | 0 | 43° – 62° |
| April | 71° | 47° | 5.3" | 0.0" | 11 | 0 | 53° – 64° |
| May | 79° | 57° | 5.7" | 0.0" | 11 | 0 | 64° – 74° |
| June | 86° | 66° | 4.6" | 0.0" | 10 | 0 | 71° – 81° |
| July | 89° | 69° | 4.2" | 0.0" | 9 | 0 | 74° – 83° |
| August | 89° | 67° | 3.6" | 0.0" | 7 | 0 | 73° – 85° |
| September | 83° | 60° | 3.6" | 0.0" | 8 | 0 | 68° – 78° |
| October | 72° | 47° | 3.4" | 0.0" | 8 | 0 | 56° – 66° |
| November | 60° | 38° | 4.5" | 0.0" | 9 | 0 | 43° – 54° |
| December | 50° | 32° | 5.0" | 0.0" | 9 | 0 | 29° – 51° |
| Year | 70° | 49° | 53.8" | 0.4" | 111 | 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 51°. July is the most reliable, staying within 9°.
Where Gleason’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 Gleason’s center.
- Snow: Dresden, TN.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Dresden, TN, 7 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 Gleason’s climate
What is the weather like in Gleason?
A typical July afternoon reaches 89°, a January night drops to 28°, and snow is almost unheard of. Milder January nights than 70% of U.S. towns; hotter July afternoons than 74% of U.S. towns.
How cold does it get in Gleason in winter?
January nights average 28°. About 82 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 30°.
How much snow does Gleason get?
About 0.4 inches in a normal winter at Dresden, TN, so most winters see none.
How hot does it get in Gleason?
July, with a typical high of 89° and a low of 69°. About 38 days a year reach 90° and 1 reach 100° (Dresden, TN).
When is the first and last frost in Gleason?
In half of years the last spring frost (32°) comes by April 3 and the first fall frost by November 1, about 212 frost-free days, at Dresden, TN.
What growing zone is Gleason 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 Gleason?
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 Gleason getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 94% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Gleason.
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.