Climate Comfort Score
79/100
Good
NOAA 1991–2020 normals 56°F annual avg Public-domain federal data
Jefferson City, TN Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 56°F
- Avg annual temp
- 79/100
- Comfort score
- 48.5"
- Annual precip
- 176d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Jefferson City
Jefferson City, Tennessee averages 56°F a year and scores 79/100 on the comfort index - good, milder than 82% of U.S. cities.
- 56°F
- average temperature, NOAA 1991-2020 normal
- 79/100
- comfort score, milder than 82% of U.S. cities
- 48.5"
- annual precipitation · 3" snow
- 176 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
56°F (13°C)
Avg High
69°F
Avg Low
43°F
Annual Precip
48.5"
Annual Snow
3.0"
Comfort Score
79/100
Good
Avg Annual Temperature
56°F
30-year mean (NOAA NCEI)
Annual Precipitation
48.5"
Plus 3.0" of snow
Comfort score vs national 100-point ceiling (Jefferson City) 79.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Jefferson City area.
How Jefferson City compares to every U.S. city
Jefferson City's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
79 Top 18% higher than 82% 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 Jefferson City
MethodologyZooming out from Jefferson City'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 | 47°F (9°C) | 25°F (-4°C) | 36°F (2°C) | 4.1" | 1.3" | 21.8 | 0.0 |
| February | 51°F (11°C) | 27°F (-3°C) | 39°F (4°C) | 4.5" | 1.5" | 18.8 | 0.0 |
| March | 61°F (16°C) | 32°F (0°C) | 46°F (8°C) | 4.6" | 0.0" | 13.9 | 0.0 |
| April | 70°F (21°C) | 41°F (5°C) | 55°F (13°C) | 4.6" | 0.0" | 5.2 | 0.0 |
| May | 78°F (26°C) | 50°F (10°C) | 64°F (18°C) | 4.1" | 0.0" | 0.7 | 0.4 |
| June | 84°F (29°C) | 59°F (15°C) | 72°F (22°C) | 3.8" | 0.0" | 0.0 | 3.9 |
| July | 87°F (31°C) | 63°F (17°C) | 75°F (24°C) | 5.0" | 0.0" | 0.0 | 8.1 |
| August | 87°F (30°C) | 62°F (17°C) | 74°F (23°C) | 3.8" | 0.0" | 0.0 | 8.8 |
| September | 82°F (28°C) | 55°F (13°C) | 68°F (20°C) | 3.3" | 0.0" | 0.1 | 3.1 |
| October | 71°F (22°C) | 42°F (5°C) | 57°F (14°C) | 2.7" | 0.0" | 5.6 | 0.0 |
| November | 60°F (16°C) | 32°F (0°C) | 46°F (8°C) | 3.4" | 0.1" | 15.0 | 0.0 |
| December | 50°F (10°C) | 27°F (-3°C) | 39°F (4°C) | 4.5" | 0.1" | 22.2 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 4.1"
Snow: 1.3"
9.8 days with precipitation
February 4.5"
Snow: 1.5"
9.7 days with precipitation
March 4.6"
11.1 days with precipitation
April 4.6"
9.8 days with precipitation
May 4.1"
10.3 days with precipitation
June 3.8"
10.5 days with precipitation
July 5.0"
10.7 days with precipitation
August 3.8"
8.4 days with precipitation
September 3.3"
7.2 days with precipitation
October 2.7"
6.9 days with precipitation
November 3.4"
Snow: 0.1"
8.4 days with precipitation
December 4.5"
Snow: 0.1"
10.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 17
50% probability date
Last Spring Freeze
April 24
50% probability date
Growing Season
176 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,338
Higher = more heating needed
Cooling Degree Days
1,042
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Jefferson City's climate means for you
Jefferson City runs 56°F a year - peaking in July, coldest in January.
- Gardeners get about 176 frost-free days, with the last spring freeze near April 24 - plan the planting calendar around it, not the regional average.
- Energy bills track 4,338 heating and 1,042 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: Jefferson City, TN
Based on station USC00404613 feeding NOAA's 1991–2020 climate normals, Jefferson City, Tennessee averages 56°F a year, ranging from a mean daily high of 69°F to a mean daily low of 43°F. July is typically the warmest month of the year, while January is the coldest. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.
Anyone planning to live, garden, or travel in Jefferson City should weigh precipitation alongside temperature: the annual average runs 48.5 inches, with 3.0 inches typically falling as snow. The frost-free season averages 176 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 24 and the first fall freeze near October 17. And on the energy front, 4,338 heating degree days and 1,042 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Jefferson City scores 79/100 (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 Jefferson City, TN? ▼
The average annual temperature in Jefferson City, Tennessee is 56°F. The warmest month averages 87°F (31°C) and the coldest averages 25°F (-4°C).
How much rain does Jefferson City get? ▼
Jefferson City receives 48.5 inches of precipitation annually, including 3.0 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Jefferson City? ▼
Jefferson City has a climate comfort score of 79/100 (Good), milder than 82% of U.S. cities in the PlainClimate database.
When is the growing season in Jefferson City? ▼
Jefferson City has approximately 176 frost-free days per year, with the last spring freeze around April 24 and the first fall freeze around October 17.
How much energy does heating and cooling require in Jefferson City? ▼
Jefferson City has 4,338 heating degree days and 1,042 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 Jefferson City climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00404613 near Jefferson City.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00404613. 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.