Green Hill has mild winters and warm summers, with plenty of rain
A typical July afternoon reaches 89°, a January night drops to 29°, and about 5 inches of snow falls in a normal winter.
A year in Green Hill at a glance
Each month’s typical high and low, and what it brings.
What stands out about Green Hill’s climate
Read from where Green Hill sits among Tennessee’s towns. The page puts what stands out first.
Living with Green Hill’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
216 frost-free days. The last frost comes by Apr 1 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.
About 5" in a normal winter.
Months averaging under 55° run from November through March. Heating is 71% of the year’s heating-and-cooling load.
About 42 days a year reach 90°, and July afternoons average 89°.
The nicest months are April, May, September and October.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Green Hill feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
5 inches of snow, 53 of rain and melt
May 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
About 216 frost-free days a year
In half of years the last 32° night comes by April 1 and the first by November 4.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Green Hill and its neighbors
Mount Juliet has the coldest January nights next door (29°) and Nashville-Davidson metropolitan government the hottest July afternoons (90°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Green Hill averaged 0.8° warmer than the 1900s. The biggest change is in February (+1.9°).
A smaller shift than in 82% of U.S. towns.
Change by month
How Green Hill compares
Against every U.S. town on TownTapestry, each counted once, with its place in Tennessee.
Green Hill weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 48° | 29° | 4.2" | 1.9" | 12 | 1 | 31° – 46° |
| February | 52° | 32° | 4.7" | 1.6" | 11 | 1 | 32° – 50° |
| March | 61° | 39° | 4.9" | 0.5" | 13 | 0 | 43° – 61° |
| April | 71° | 47° | 5.0" | 0 | 12 | 0 | 53° – 64° |
| May | 79° | 56° | 5.0" | 0 | 12 | 0 | 62° – 74° |
| June | 86° | 65° | 4.4" | 0 | 11 | 0 | 71° – 80° |
| July | 89° | 69° | 4.7" | 0 | 11 | 0 | 75° – 82° |
| August | 89° | 67° | 4.0" | 0 | 10 | 0 | 73° – 85° |
| September | 83° | 60° | 3.9" | 0 | 8 | 0 | 67° – 78° |
| October | 72° | 48° | 3.6" | 0 | 9 | 0 | 56° – 66° |
| November | 60° | 38° | 3.8" | 0.1" | 10 | 0 | 43° – 54° |
| December | 51° | 32° | 4.8" | 0.5" | 12 | 0 | 30° – 53° |
| Year | 70° | 48° | 53.0" | 4.6" | 132 | 3 |
Heating and cooling a home in Green Hill
71% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
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 53°. July is the most reliable, staying within 7°.
Common questions about Green Hill’s climate
What is the coldest month in Green Hill?
January, with a typical high of 48° and a low of 29°.
What is the hottest month in Green Hill?
July, with a typical high of 89° and a low of 69°. About 42 days a year reach 90°.
How much snow does Green Hill get?
About 5 inches in a normal winter, most of it in January.
When is the first frost in Green Hill?
In half of years the first 32° night comes by November 4, and the last spring frost by April 1.
What is the rainiest month in Green Hill?
May, with 5.0 inches of rain and melted snow. The year totals 53 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Green Hill.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Green Hill itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Old Hickory Wfo, TN (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.