Counties in Utah by average annual temperature

Washington County had the highest average annual temperature of 29 counties in 2024, at 58.4 °F. Summit County had the lowest, at 40.3 °F. The median was 50.6 °F and the figure for Utah was 51.1 °F. Source: NOAA National Centers for Environmental Information.

Highest58.4Washington County

Lowest40.3Summit County

Median50.629 counties

Utah51.1History

Map of counties, 2024

Under 46
46 to 48
48 to 51
51 to 53
53 and over

°F, 2024. Source: NOAA NCEI, NOAA Climate at a Glance, January to December average temperature, counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

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

Full ranking

Rank	Counties	2024 °F	Change on 2023
1	Washington County	58.4	+5.4%
2	San Juan County	55.3	+4.3%
3	Kane County	55	+5.8%
4	Wayne County	53.8	+4.5%
5	Grand County	53.7	+4.5%
6	Millard County	53.3	+5.8%
7	Tooele County	52.6	+5%
8	Emery County	52.5	+4.4%
9	Juab County	52.3	+5.2%
10	Beaver County	51.7	+6.6%
11	Davis County	51.6	+4.2%
12	Iron County	51.4	+6%
12	Salt Lake County	51.4	+4%
14	Garfield County	51.2	+5.3%
15	Box Elder County	50.6	+5.6%
16	Utah County	48.9	+4.3%
17	Uintah County	48.8	+8.7%
18	Weber County	48.3	+4.5%
19	Carbon County	46.6	+5.2%
19	Sevier County	46.6	+4%
21	Piute County	46.4	+5.7%
22	Cache County	46	+6%
23	Sanpete County	45.9	+4.1%
24	Morgan County	45.7	+4.1%
25	Duchesne County	43.9	+6.8%
26	Daggett County	43.1	+6.7%
27	Wasatch County	42.9	+4.1%
28	Rich County	42.5	+7.6%
29	Summit County	40.3	+4.1%

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 Utah by average annual temperature, 2024) [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 Utah by average annual temperature, 2024. 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/utah-counties?period=2024. 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 Utah by average annual temperature, 2024. 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/utah-counties?period=2024.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December average temperature, counties, Counties in Utah by average annual temperature, 2024 [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/utah-counties?period=2024 (Accessed: 12 October 2026).

BibTeX

@misc{noaa_counties_in_utah_by_2024,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December average temperature, counties: Counties in Utah by average annual temperature, 2024}},
  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/utah-counties?period=2024. 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 Utah by average annual temperature, 2024
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/utah-counties?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/average-annual-temperature/utah-counties?period=2024.
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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Rank Counties in Utah by average annual temperature using official data, and cite the source.

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Questions

Which county has the highest average annual temperature?

Washington County, with 58.4 °F in 2024, according to NOAA National Centers for Environmental Information.

Which county has the lowest average annual temperature?

Summit County, with 40.3 °F in 2024.

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.