Counties in Colorado by average annual temperature

Prowers County had the highest average annual temperature of 64 counties in 2024, at 56.1 °F. San Juan County had the lowest, at 35.3 °F. The median was 46.8 °F and the figure for Colorado was 47.7 °F. Source: NOAA National Centers for Environmental Information.

Highest56.1Prowers County

Lowest35.3San Juan County

Median46.864 counties

Colorado47.7History

Map of counties, 2024

Under 39
39 to 44
44 to 47
47 to 52
52 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.

Top 40 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	Prowers County	56.1	+4.5%
2	Bent County	55.9	+4.1%
3	Baca County	55.7	+2.2%
4	Otero County	55.6	+3.7%
5	Kiowa County	54.9	+4.6%
6	Pueblo County	54.6	+3%
7	Crowley County	54.4	+3.6%
8	Cheyenne County	54.1	+4.8%
9	Kit Carson County	53.8	+5.3%
9	Yuma County	53.8	+5.1%
11	Denver County	53.3	+5.3%
12	Phillips County	53	+5.6%
13	Broomfield County	52.9	+4.8%
14	Sedgwick County	52.8	+6.5%
15	Lincoln County	52.7	+5.8%
16	Las Animas County	52.6	+2.7%
17	Adams County	52.4	+6.3%
17	Logan County	52.4	+6.1%
17	Washington County	52.4	+6.7%
20	Morgan County	52.3	+6.1%
21	Arapahoe County	52.1	+7%
22	Weld County	51.6	+6.2%
23	Elbert County	50.9	+6.7%
24	El Paso County	50.8	+4.5%
25	Montezuma County	50.7	+4.1%
26	Mesa County	49.9	+4.4%
27	Montrose County	49.5	+3.6%
28	Douglas County	49.4	+5.1%
29	Huerfano County	48.7	+3%
30	Delta County	48.4	+3.6%
31	Jefferson County	48.3	+5.2%
32	Fremont County	47.3	+3.3%
33	La Plata County	46.4	+4%
33	Rio Blanco County	46.4	+6.7%
35	San Miguel County	46.3	+3.8%
36	Boulder County	46.2	+5%
36	Moffat County	46.2	+7.4%
38	Archuleta County	45.2	+3.9%
38	Garfield County	45.2	+4.9%
40	Alamosa County	45.1	+2.5%
41	Dolores County	44.5	+4.2%
42	Larimer County	44.2	+5.5%
43	Ouray County	43.6	+4.6%
44	Custer County	43.2	+3.1%
45	Costilla County	42.9	+2.6%
46	Teller County	42.2	+4.7%
47	Rio Grande County	41.6	+2.2%
48	Conejos County	41.5	+1.7%
49	Routt County	40.9	+4.3%
50	Saguache County	40.8	+3%
51	Gilpin County	40.7	+5.4%
52	Eagle County	40.3	+3.9%
53	Park County	39.3	+3.7%
54	Gunnison County	39.2	+4%
55	Chaffee County	39	+3.2%
56	Clear Creek County	38.4	+4.6%
56	Pitkin County	38.4	+3.8%
58	Grand County	38.2	+4.7%
59	Jackson County	37.4	+4.8%
60	Mineral County	37.3	+3.3%
61	Hinsdale County	36.5	+4%
62	Summit County	36.2	+4%
63	Lake County	35.3	+4.1%
63	San Juan County	35.3	+3.2%

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 Colorado 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 Colorado 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/colorado-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 Colorado 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/colorado-counties?period=2024.

Harvard

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

BibTeX

@misc{noaa_counties_in_colorado_by_2024,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December average temperature, counties: Counties in Colorado 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/colorado-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 Colorado 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/colorado-counties?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/average-annual-temperature/colorado-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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Questions

Which county has the highest average annual temperature?

Prowers County, with 56.1 °F in 2024, according to NOAA National Centers for Environmental Information.

Which county has the lowest average annual temperature?

San Juan County, with 35.3 °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.