Photo: AppalachianCentrist · CC BY-SA 4.0Wet weather: 48 inches of rain and melted snow a year in Morristown, more than in 76% of U.S. towns
Midsummer highs settle at about 87°. Precipitation peaks in March and eases off in October. In January, nights here are milder than in 70% of U.S. towns. The frost-free window for a garden runs roughly April 10 to October 28.
A year in Morristown at a glance
Each month’s typical high and low, and what it brings.
What stands out about Morristown’s climate
Compared with towns across the U.S., with Morristown’s place in Tennessee beside it.
What a year in Morristown feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 201 frost-free days a year
In half of years the last 32° night comes by April 10 and the first by October 28. Frost and day counts come from NOAA’s station at Morristown Radio Wcrk, TN, 1.8 miles from the town’s center, at about the same height.
The 2023 USDA map puts Morristown’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 9 inches of snow a winter
Snow, measured at Morristown Radio Wcrk, TN, falls mostly in February. Precipitation (rain plus melted snow) adds up to 48 inches a year; March is the wettest month and October the driest. Rain or snow falls on about 136 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Morristown
76% 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 Morristown Radio Wcrk, TN.
Living with Morristown’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
201 frost-free days in zone 7b. The last frost comes by Apr 10 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 28.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 11 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Morristown from natural hazards, river flooding is the largest share (48%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Morristown and its neighbors
Every town next door is within a degree of Morristown in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Morristown’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 |
|---|---|---|---|---|
| Morristown, TN | 28° | 87° | 48" | 8.8" |
| Millsboro, DE | 29° | 87° | 46" | 11" |
| Berlin, MD | 29° | 87° | 46" | 8.0" |
| King, NC | 28° | 87° | 47" | 6.2" |
| Forest, VA | 26° | 87° | 47" | 12" |
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 Morristown averaged 0.7° warmer than the 1900s. The biggest change is in December (+1.8°).
A smaller shift than in 93% 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 Morristown compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Morristown’s place among Tennessee’s.
Morristown weather by month
Highs, lows and precipitation from NOAA’s grid at Morristown’s center; snow, wet days and snow on the ground from Morristown Radio Wcrk, TN. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 47° | 28° | 4.1" | 2.1" | 12 | 29° – 45° |
| February | 51° | 31° | 4.4" | 2.9" | 13 | 31° – 48° |
| March | 60° | 37° | 4.7" | 2.0" | 13 | 41° – 58° |
| April | 70° | 45° | 4.3" | 0.0" | 11 | 53° – 62° |
| May | 77° | 54° | 3.8" | 0.0" | 12 | 60° – 71° |
| June | 84° | 62° | 4.6" | 0.0" | 12 | 69° – 77° |
| July | 87° | 66° | 4.5" | 0.0" | 13 | 73° – 80° |
| August | 86° | 65° | 3.3" | 0.0" | 10 | 72° – 80° |
| September | 81° | 59° | 3.3" | 0.0" | 9 | 66° – 77° |
| October | 71° | 47° | 2.9" | 0.0" | 9 | 55° – 64° |
| November | 59° | 36° | 3.6" | 0.2" | 9 | 42° – 53° |
| December | 50° | 31° | 4.6" | 1.6" | 12 | 30° – 51° |
| Year | 68° | 47° | 48.1" | 8.8" | 136 |
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 7°.
Where Morristown’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 Morristown’s center.
- Snow: Morristown Radio Wcrk, TN (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Morristown Radio Wcrk, TN, 1.8 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 Morristown’s climate
What is the weather like in Morristown?
A typical July afternoon reaches 87°, a January night drops to 28°, and about 9 inches of snow falls in a normal winter. Milder January nights than 70% of U.S. towns; hotter July afternoons than 59% of U.S. towns.
How cold does it get in Morristown in winter?
January nights average 28°. About 84 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 29°.
How much snow does Morristown get?
About 8.8 inches in a normal winter at Morristown Radio Wcrk, TN, most of it in February.
How hot does it get in Morristown?
July, with a typical high of 87° and a low of 66°. About 22 days a year reach 90° (Morristown Radio Wcrk, TN).
When is the first and last frost in Morristown?
In half of years the last spring frost (32°) comes by April 10 and the first fall frost by October 28, about 201 frost-free days, at Morristown Radio Wcrk, TN.
What growing zone is Morristown 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 Morristown?
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 Morristown getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 93% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Morristown.
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.