Climate Comfort Score
73/100
Good
NOAA 1991–2020 normals 60°F annual avg Public-domain federal data
Knoxville Mcghee Tyson, TN Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 60°F
- Avg annual temp
- 73/100
- Comfort score
- 51.9"
- Annual precip
- 215d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Knoxville Mcghee Tyson
Knoxville Mcghee Tyson, Tennessee averages 60°F a year and scores 73/100 on the comfort index - good, milder than 68% of U.S. cities.
- 60°F
- yearly average temperature, NOAA normal
- 73/100
- comfort score, milder than 68% of U.S. cities
- 51.9"
- annual precipitation · 5" snow
- 215 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
60°F (15°C)
Avg High
70°F
Avg Low
49°F
Annual Precip
51.9"
Annual Snow
4.6"
Comfort Score
73/100
Good
Avg Annual Temperature
60°F
30-year mean (NOAA NCEI)
Annual Precipitation
51.9"
Plus 4.6" of snow
Comfort score vs national 100-point ceiling (Knoxville Mcghee Tyson) 73.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Knoxville Mcghee Tyson area.
How Knoxville Mcghee Tyson compares to every U.S. city
Knoxville Mcghee Tyson's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
73 Top 32% higher than 68% 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 Knoxville Mcghee Tyson
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Knoxville Mcghee Tyson captures average conditions across the spread shown, the most recent decade is warmer than the 30-year mean.
- 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 | 48°F (9°C) | 30°F (-1°C) | 39°F (4°C) | 4.8" | 1.7" | 18.5 | 0.0 |
| February | 53°F (12°C) | 33°F (1°C) | 43°F (6°C) | 4.8" | 1.4" | 13.8 | 0.0 |
| March | 61°F (16°C) | 40°F (4°C) | 51°F (10°C) | 4.9" | 0.9" | 7.5 | 0.0 |
| April | 71°F (22°C) | 48°F (9°C) | 60°F (15°C) | 4.7" | 0.0" | 1.0 | 0.0 |
| May | 79°F (26°C) | 57°F (14°C) | 68°F (20°C) | 4.1" | 0.0" | 0.0 | 1.1 |
| June | 86°F (30°C) | 65°F (18°C) | 75°F (24°C) | 4.2" | 0.0" | 0.0 | 6.8 |
| July | 88°F (31°C) | 69°F (20°C) | 79°F (26°C) | 5.3" | 0.0" | 0.0 | 12.9 |
| August | 88°F (31°C) | 68°F (20°C) | 78°F (25°C) | 3.6" | 0.0" | 0.0 | 11.2 |
| September | 83°F (28°C) | 61°F (16°C) | 72°F (22°C) | 3.5" | 0.0" | 0.0 | 4.5 |
| October | 72°F (22°C) | 49°F (9°C) | 60°F (16°C) | 2.8" | 0.0" | 0.7 | 0.1 |
| November | 60°F (16°C) | 38°F (3°C) | 49°F (9°C) | 4.2" | 0.1" | 9.1 | 0.0 |
| December | 51°F (11°C) | 33°F (0°C) | 42°F (5°C) | 5.0" | 0.5" | 16.0 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 4.8"
Snow: 1.7"
11.5 days with precipitation
February 4.8"
Snow: 1.4"
11.7 days with precipitation
March 4.9"
Snow: 0.9"
12.7 days with precipitation
April 4.7"
11.1 days with precipitation
May 4.1"
11.1 days with precipitation
June 4.2"
12.0 days with precipitation
July 5.3"
11.6 days with precipitation
August 3.6"
9.8 days with precipitation
September 3.5"
7.8 days with precipitation
October 2.8"
8.0 days with precipitation
November 4.2"
Snow: 0.1"
9.4 days with precipitation
December 5.0"
Snow: 0.5"
12.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 2
50% probability date
Last Spring Freeze
April 1
50% probability date
Growing Season
215 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
3,528
Higher = more heating needed
Cooling Degree Days
1,574
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 66% | 6.8 | 27% | 40% |
| February | 64% | 7.3 | 28% | 39% |
| March | 61% | 7.3 | 30% | 32% |
| April | 66% | 6.6 | 26% | 27% |
| May | 71% | 5.7 | 21% | 22% |
| June | 71% | 5.6 | 26% | 18% |
| July | 74% | 4.9 | 24% | 16% |
| August | 72% | 4.5 | 28% | 15% |
| September | 73% | 4.8 | 36% | 19% |
| October | 70% | 4.8 | 37% | 28% |
| November | 71% | 5.8 | 32% | 36% |
| December | 73% | 6.2 | 25% | 44% |
What Knoxville Mcghee Tyson's climate means for you
Knoxville Mcghee Tyson runs 60°F a year - peaking in July, coldest in January.
- Gardeners get about 215 frost-free days, with the last spring freeze near April 1 - plan the planting calendar around it, not the regional average.
- Energy bills track 3,528 heating and 1,574 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: Knoxville Mcghee Tyson, TN
Based on station USW00013891 feeding NOAA's 1991–2020 climate normals, Knoxville Mcghee Tyson, Tennessee averages 60°F a year, ranging from a mean daily high of 70°F to a mean daily low of 49°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.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Knoxville Mcghee Tyson receives roughly 51.9 inches of precipitation each year, with 4.6 inches typically falling as snow. The frost-free season averages 215 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 1 and the first fall freeze near November 2. For energy use, 3,528 heating degree days and 1,574 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Knoxville Mcghee Tyson scores 73/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.
Frequently Asked Questions
What is the average temperature in Knoxville Mcghee Tyson, TN? ▼
The average annual temperature in Knoxville Mcghee Tyson, Tennessee is 60°F. The warmest month averages 88°F (31°C) and the coldest averages 30°F (-1°C).
How much rain does Knoxville Mcghee Tyson get? ▼
Knoxville Mcghee Tyson receives 51.9 inches of precipitation annually, including 4.6 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Knoxville Mcghee Tyson? ▼
Knoxville Mcghee Tyson has a climate comfort score of 73/100 (Good), milder than 68% of U.S. cities in the PlainClimate database.
When is the growing season in Knoxville Mcghee Tyson? ▼
Knoxville Mcghee Tyson has approximately 215 frost-free days per year, with the last spring freeze around April 1 and the first fall freeze around November 2.
How much energy does heating and cooling require in Knoxville Mcghee Tyson? ▼
Knoxville Mcghee Tyson has 3,528 heating degree days and 1,574 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 Knoxville Mcghee Tyson climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00013891 near Knoxville Mcghee Tyson.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00013891. 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.