Counties in Tennessee by average annual temperature

Shelby County had the highest average annual temperature of 95 counties in 2018, at 61.8 °F. Johnson County had the lowest, at 53.2 °F. The median was 59.3 °F and the figure for Tennessee was 59.1 °F. Source: NOAA National Centers for Environmental Information.

Highest61.8Shelby County

Lowest53.2Johnson County

Median59.395 counties

Tennessee59.1History

Map of counties, 2018

Under 58
58 to 59
59 to 60
60 and over

°F, 2018. Source: NOAA NCEI, NOAA Climate at a Glance, January to December average temperature, counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2018

°F. Source: NOAA NCEI, NOAA Climate at a Glance, January to December average temperature, counties. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2018 °F	Change on 2017
1	Shelby County	61.8	-2.5%
2	Fayette County	61.3	-2.2%
3	Tipton County	61	-2.1%
4	Hardeman County	60.9	-2.1%
4	Haywood County	60.9	-1.9%
6	Lauderdale County	60.7	-1.9%
7	Hardin County	60.4	-1.6%
7	Madison County	60.4	-2.3%
7	McNairy County	60.4	-1.9%
10	Bradley County	60.3	-1%
10	Chester County	60.3	-2.1%
10	Crockett County	60.3	-2.4%
10	Davidson County	60.3	-1.5%
10	Decatur County	60.3	-2%
15	Hamilton County	60.2	-1.1%
16	McMinn County	60.1	-1.2%
16	Meigs County	60.1	-1%
16	Wayne County	60.1	-1.2%
19	Cheatham County	60	-1.5%
19	Henderson County	60	-2.4%
19	Lincoln County	60	-1.3%
19	Rutherford County	60	-1.5%
23	Bedford County	59.9	-1.2%
23	Benton County	59.9	-1.8%
23	Dyer County	59.9	-2.3%
23	Perry County	59.9	-2.1%
27	Marshall County	59.8	-1.3%
27	Montgomery County	59.8	-1.3%
27	Williamson County	59.8	-1.5%
30	Carroll County	59.7	-2.3%
30	Lawrence County	59.7	-1.6%
30	Maury County	59.7	-1.6%
30	Moore County	59.7	-1%
34	Gibson County	59.6	-2.8%
34	Humphreys County	59.6	-1.5%
34	Loudon County	59.6	-1.3%
37	Giles County	59.5	-2.1%
37	Houston County	59.5	-1.5%
37	Stewart County	59.5	-1.5%
37	Wilson County	59.5	-1.7%
41	Dickson County	59.4	-1.3%
41	Franklin County	59.4	-1%
41	Henry County	59.4	-2%
41	Hickman County	59.4	-1.7%
41	Lake County	59.4	-2.3%
46	Knox County	59.3	-1.3%
46	Lewis County	59.3	-2%
46	Polk County	59.3	-0.5%
46	Roane County	59.3	-1%
50	DeKalb County	59.2	-1.3%
50	Jefferson County	59.2	-0.8%
50	Robertson County	59.2	-1.5%
50	Smith County	59.2	-1.3%
50	Trousdale County	59.2	-1.5%
55	Weakley County	59.1	-2.5%
56	Jackson County	59	-1.2%
56	Marion County	59	-1.2%
56	Rhea County	59	-1.2%
56	Sumner County	59	-1.7%
60	Cannon County	58.9	-2%
60	Monroe County	58.9	-0.7%
62	Blount County	58.8	-1.2%
62	Clay County	58.8	-1.2%
64	Coffee County	58.7	-1.5%
64	Obion County	58.7	-2.7%
64	Warren County	58.7	-1.7%
67	Hamblen County	58.5	-1%
68	Cocke County	58.4	-0.3%
68	Pickett County	58.4	-0.7%
70	Macon County	58.3	-1.5%
70	White County	58.3	-1.2%
72	Bledsoe County	58.1	-1.2%
72	Greene County	58.1	-0.9%
72	Putnam County	58.1	-1.2%
75	Anderson County	58	-1.4%
75	Overton County	58	-1.2%
75	Sequatchie County	58	-1.5%
78	Hawkins County	57.8	-1.4%
78	Van Buren County	57.8	-1.4%
80	Grainger County	57.6	-1.2%
81	Washington County	57.5	-0.9%
82	Union County	57.4	-1.2%
83	Sullivan County	57.3	-0.9%
84	Sevier County	57.2	-0.7%
85	Fentress County	57.1	-0.7%
85	Grundy County	57.1	-1.6%
85	Morgan County	57.1	-1%
88	Hancock County	56.5	-1.2%
89	Scott County	56.4	-0.9%
90	Campbell County	56.2	-1.1%
91	Cumberland County	56.1	-1.2%
92	Claiborne County	56	-0.7%
93	Carter County	54.5	-1.3%
94	Unicoi County	54.2	-0.7%
95	Johnson County	53.2	-1.1%

Other periods

About this ranking

Mean air temperature from January to December, in degrees Fahrenheit: the average of the 12 monthly mean temperatures. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.

Values are area averages, so a county with mountains and valleys has one value for very different local climates. NOAA revises the last two years every month.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December average temperature, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

NOAA National Centers for Environmental Information. (2026). NOAA Climate at a Glance, January to December average temperature, counties (Counties in Tennessee by average annual temperature, 2018) [Data set]. Retrieved October 12, 2026, from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping

MLA 9

NOAA Climate at a Glance, January to December average temperature, counties, Counties in Tennessee by average annual temperature, 2018. NOAA National Centers for Environmental Information, 6 Oct. 2026, https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Invokely, https://invokely.ai/rankings/average-annual-temperature/tennessee-counties?period=2018. Accessed 12 Oct. 2026.

Chicago (author-date)

NOAA National Centers for Environmental Information. 2026. NOAA Climate at a Glance, January to December average temperature, counties. Counties in Tennessee by average annual temperature, 2018. Dataset. Accessed October 12, 2026. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Also distributed by Invokely, https://invokely.ai/rankings/average-annual-temperature/tennessee-counties?period=2018.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December average temperature, counties, Counties in Tennessee by average annual temperature, 2018 [Dataset]. Available at: https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping, via Invokely: https://invokely.ai/rankings/average-annual-temperature/tennessee-counties?period=2018 (Accessed: 12 October 2026).

BibTeX

@misc{noaa_counties_in_tennessee_by_2018,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December average temperature, counties: Counties in Tennessee by average annual temperature, 2018}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/average-annual-temperature/tennessee-counties?period=2018. Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December average temperature, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - NOAA National Centers for Environmental Information
TI  - NOAA Climate at a Glance, January to December average temperature, counties: Counties in Tennessee by average annual temperature, 2018
PY  - 2026
DA  - 2026/10/06
PB  - NOAA National Centers for Environmental Information
DB  - Invokely
UR  - https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
L2  - https://invokely.ai/rankings/average-annual-temperature/tennessee-counties?period=2018
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/average-annual-temperature/tennessee-counties?period=2018.
N1  - Publisher attribution: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December average temperature, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
ER  -

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Questions

Which county has the highest average annual temperature?

Shelby County, with 61.8 °F in 2018, according to NOAA National Centers for Environmental Information.

Which county has the lowest average annual temperature?

Johnson County, with 53.2 °F in 2018.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December average temperature, counties. Retrieved 2026-10-12.