Climate Comfort Score
78/100
Good
NOAA 1991–2020 normals 58°F annual avg Public-domain federal data
Morristown, TN Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 58°F
- Avg annual temp
- 78/100
- Comfort score
- 47.4"
- Annual precip
- 218d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Morristown
Morristown, Tennessee averages 58°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.
- 58°F
- annual average temperature (NOAA normal)
- 78/100
- comfort score, milder than 74% of U.S. cities
- 47.4"
- annual precipitation · 10" snow
- 218 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
58°F (15°C)
Avg High
68°F
Avg Low
49°F
Annual Precip
47.4"
Annual Snow
10.2"
Comfort Score
78/100
Good
Avg Annual Temperature
58°F
30-year mean (NOAA NCEI)
Annual Precipitation
47.4"
Plus 10.2" of snow
Comfort score vs national 100-point ceiling (Morristown) 78.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Morristown area.
How Morristown compares to every U.S. city
Morristown's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
78 Top 26% higher than 74% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for Morristown
MethodologyZooming out from Morristown's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 46°F (8°C) | 29°F (-2°C) | 37°F (3°C) | 4.4" | 3.5" | 18.9 | 0.0 |
| February | 50°F (10°C) | 32°F (0°C) | 41°F (5°C) | 4.5" | 3.3" | 13.2 | 0.0 |
| March | 59°F (15°C) | 40°F (4°C) | 49°F (10°C) | 4.4" | 1.2" | 7.9 | 0.0 |
| April | 69°F (21°C) | 48°F (9°C) | 58°F (15°C) | 4.5" | 0.0" | 0.8 | 0.0 |
| May | 76°F (25°C) | 56°F (14°C) | 66°F (19°C) | 3.6" | 0.0" | 0.0 | 0.2 |
| June | 83°F (28°C) | 64°F (18°C) | 74°F (23°C) | 4.3" | 0.0" | 0.0 | 2.3 |
| July | 86°F (30°C) | 68°F (20°C) | 77°F (25°C) | 5.0" | 0.0" | 0.0 | 5.7 |
| August | 85°F (30°C) | 67°F (19°C) | 76°F (24°C) | 3.0" | 0.0" | 0.0 | 5.9 |
| September | 80°F (27°C) | 61°F (16°C) | 70°F (21°C) | 3.1" | 0.0" | 0.0 | 2.7 |
| October | 70°F (21°C) | 50°F (10°C) | 60°F (15°C) | 2.7" | 0.0" | 0.6 | 0.1 |
| November | 58°F (14°C) | 39°F (4°C) | 48°F (9°C) | 3.6" | 0.3" | 7.2 | 0.0 |
| December | 49°F (9°C) | 33°F (0°C) | 41°F (5°C) | 4.4" | 1.9" | 15.5 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 4.4"
Snow: 3.5"
12.6 days with precipitation
February 4.5"
Snow: 3.3"
13.0 days with precipitation
March 4.4"
Snow: 1.2"
13.2 days with precipitation
April 4.5"
11.7 days with precipitation
May 3.6"
12.3 days with precipitation
June 4.3"
12.2 days with precipitation
July 5.0"
12.3 days with precipitation
August 3.0"
9.5 days with precipitation
September 3.1"
8.3 days with precipitation
October 2.7"
8.6 days with precipitation
November 3.6"
Snow: 0.3"
10.0 days with precipitation
December 4.4"
Snow: 1.9"
11.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 4
50% probability date
Last Spring Freeze
March 31
50% probability date
Growing Season
218 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
3,773
Higher = more heating needed
Cooling Degree Days
1,314
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Morristown's climate means for you
Morristown runs 58°F a year - peaking in July, coldest in January.
- Gardeners get about 218 frost-free days, with the last spring freeze near March 31 - plan the planting calendar around it, not the regional average.
- Energy bills track 3,773 heating and 1,314 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Morristown, TN
In Morristown, Tennessee, the NOAA 1991–2020 climate normals put the annual average temperature at 58°F, ranging from a mean daily high of 68°F to a mean daily low of 49°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00406272, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Anyone planning to live, garden, or travel in Morristown should weigh precipitation alongside temperature: the annual average runs 47.4 inches, with 10.2 inches typically falling as snow. The frost-free season averages 218 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 31 and the first fall freeze near November 4. And on the energy front, 3,773 heating degree days and 1,314 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Morristown scores 78/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in Morristown, TN? ▼
The average annual temperature in Morristown, Tennessee is 58°F. The warmest month averages 86°F (30°C) and the coldest averages 29°F (-2°C).
How much rain does Morristown get? ▼
Morristown receives 47.4 inches of precipitation annually, including 10.2 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Morristown? ▼
Morristown has a climate comfort score of 78/100 (Good), milder than 74% of U.S. cities in the PlainClimate database.
When is the growing season in Morristown? ▼
Morristown has approximately 218 frost-free days per year, with the last spring freeze around March 31 and the first fall freeze around November 4.
How much energy does heating and cooling require in Morristown? ▼
Morristown has 3,773 heating degree days and 1,314 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Morristown climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00406272 near Morristown.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00406272. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.