Counties in Colorado by average annual temperature

Bent County had the highest average annual temperature of 64 counties in 2017, at 55.5 °F. Lake County had the lowest, at 36.9 °F. The median was 47.8 °F and the figure for Colorado was 47.9 °F. Source: NOAA National Centers for Environmental Information.

Keep it in a collection in your library.
Highest55.5Bent County
Lowest36.9Lake County
Median47.864 counties
Colorado47.9History

Map of counties, 2017

Adams County: 51.6 °FAlamosa County: 45.5 °FArapahoe County: 51 °FArchuleta County: 46.3 °FBaca County: 54.8 °FBent County: 55.5 °FBoulder County: 46.8 °FBroomfield County: 52.7 °FChaffee County: 40.5 °FCheyenne County: 52.8 °FClear Creek County: 39.7 °FConejos County: 43 °FCostilla County: 44.7 °FCrowley County: 54.1 °FCuster County: 44 °FDelta County: 49.5 °FDenver County: 52.9 °FDolores County: 45.9 °FDouglas County: 48.9 °FEagle County: 41.9 °FElbert County: 49.5 °FEl Paso County: 50 °FFremont County: 47.9 °FGarfield County: 46 °FGilpin County: 41.6 °FGrand County: 39.8 °FGunnison County: 40.7 °FHinsdale County: 38.9 °FHuerfano County: 49 °FJackson County: 39 °FJefferson County: 48.2 °FKiowa County: 54 °FKit Carson County: 52.6 °FLake County: 36.9 °FLa Plata County: 47.6 °FLarimer County: 44.3 °FLas Animas County: 53.2 °FLincoln County: 51.6 °FLogan County: 51.5 °FMesa County: 50.3 °FMineral County: 39.5 °FMoffat County: 46.1 °FMontezuma County: 51.3 °FMontrose County: 50.4 °FMorgan County: 51.9 °FOtero County: 55.4 °FOuray County: 44.5 °FPark County: 40.7 °FPhillips County: 51.5 °FPitkin County: 40.5 °FProwers County: 54.9 °FPueblo County: 54.3 °FRio Blanco County: 47 °FRio Grande County: 42.8 °FRoutt County: 42.3 °FSaguache County: 41.6 °FSan Juan County: 38 °FSan Miguel County: 47.6 °FSedgwick County: 51.3 °FSummit County: 38.2 °FTeller County: 42.5 °FWashington County: 51.7 °FWeld County: 50.6 °FYuma County: 52.6 °F
  • Under 41
  • 41 to 45
  • 45 to 48
  • 48 to 51
  • 51 to 53
  • 53 and over
°F, 2017. 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, 2017

Bent County: 55.5 °FBent County55.5Otero County: 55.4 °FOtero County55.4Prowers County: 54.9 °FProwers County54.9Baca County: 54.8 °FBaca County54.8Pueblo County: 54.3 °FPueblo County54.3Crowley County: 54.1 °FCrowley County54.1Kiowa County: 54 °FKiowa County54Las Animas County: 53.2 °FLas Animas County53.2Denver County: 52.9 °FDenver County52.9Cheyenne County: 52.8 °FCheyenne County52.8Broomfield County: 52.7 °FBroomfield County52.7Kit Carson County: 52.6 °FKit Carson County52.6Yuma County: 52.6 °FYuma County52.6Morgan County: 51.9 °FMorgan County51.9Washington County: 51.7 °FWashington County51.7Adams County: 51.6 °FAdams County51.6Lincoln County: 51.6 °FLincoln County51.6Logan County: 51.5 °FLogan County51.5Phillips County: 51.5 °FPhillips County51.5Montezuma County: 51.3 °FMontezuma County51.3Sedgwick County: 51.3 °FSedgwick County51.3Arapahoe County: 51 °FArapahoe County51Weld County: 50.6 °FWeld County50.6Montrose County: 50.4 °FMontrose County50.4Mesa County: 50.3 °FMesa County50.3El Paso County: 50 °FEl Paso County50Delta County: 49.5 °FDelta County49.5Elbert County: 49.5 °FElbert County49.5Huerfano County: 49 °FHuerfano County49Douglas County: 48.9 °FDouglas County48.9Jefferson County: 48.2 °FJefferson County48.2Fremont County: 47.9 °FFremont County47.9La Plata County: 47.6 °FLa Plata County47.6San Miguel County: 47.6 °FSan Miguel County47.6Rio Blanco County: 47 °FRio Blanco County47Boulder County: 46.8 °FBoulder County46.8Archuleta County: 46.3 °FArchuleta County46.3Moffat County: 46.1 °FMoffat County46.1Garfield County: 46 °FGarfield County46Dolores County: 45.9 °FDolores County45.9Bent County: 55.5 °FBent County55.5Otero County: 55.4 °FOtero County55.4Prowers County: 54.9 °FProwers County54.9Baca County: 54.8 °FBaca County54.8Pueblo County: 54.3 °FPueblo County54.3Crowley County: 54.1 °FCrowley County54.1Kiowa County: 54 °FKiowa County54Las Animas County: 53.2 °FLas Animas County53.2Denver County: 52.9 °FDenver County52.9Cheyenne County: 52.8 °FCheyenne County52.8Broomfield County: 52.7 °FBroomfield County52.7Kit Carson County: 52.6 °FKit Carson County52.6Yuma County: 52.6 °FYuma County52.6Morgan County: 51.9 °FMorgan County51.9Washington County: 51.7 °FWashington County51.7Adams County: 51.6 °FAdams County51.6Lincoln County: 51.6 °FLincoln County51.6Logan County: 51.5 °FLogan County51.5Phillips County: 51.5 °FPhillips County51.5Montezuma County: 51.3 °FMontezuma County51.3Sedgwick County: 51.3 °FSedgwick County51.3Arapahoe County: 51 °FArapahoe County51Weld County: 50.6 °FWeld County50.6Montrose County: 50.4 °FMontrose County50.4Mesa County: 50.3 °FMesa County50.3El Paso County: 50 °FEl Paso County50Delta County: 49.5 °FDelta County49.5Elbert County: 49.5 °FElbert County49.5Huerfano County: 49 °FHuerfano County49Douglas County: 48.9 °FDouglas County48.9Jefferson County: 48.2 °FJefferson County48.2Fremont County: 47.9 °FFremont County47.9La Plata County: 47.6 °FLa Plata County47.6San Miguel County: 47.6 °FSan Miguel County47.6Rio Blanco County: 47 °FRio Blanco County47Boulder County: 46.8 °FBoulder County46.8Archuleta County: 46.3 °FArchuleta County46.3Moffat County: 46.1 °FMoffat County46.1Garfield County: 46 °FGarfield County46Dolores County: 45.9 °FDolores County45.9
°F. Source: NOAA NCEI, NOAA Climate at a Glance, January to December average temperature, counties. Retrieved 2026-10-12.

Full ranking

RankCounties2017
°F
Change on 2016
1Bent County55.5-0.5%
2Otero County55.4-0.4%
3Prowers County54.9-1.4%
4Baca County54.8-0.7%
5Pueblo County54.3-0.4%
6Crowley County54.1-0.2%
7Kiowa County54-0.6%
8Las Animas County53.2+0.6%
9Denver County52.9+1%
10Cheyenne County52.8-0.6%
11Broomfield County52.7+0.4%
12Kit Carson County52.6-0.8%
12Yuma County52.6-0.9%
14Morgan County51.9-0.2%
15Washington County51.70%
16Adams County51.6+1%
16Lincoln County51.6+0.8%
18Logan County51.5+0.2%
18Phillips County51.5-0.6%
20Montezuma County51.3+2.6%
20Sedgwick County51.3-0.8%
22Arapahoe County51+1.2%
23Weld County50.6+0.4%
24Montrose County50.4+3.1%
25Mesa County50.3+3.5%
26El Paso County50+0.6%
27Delta County49.5+2.9%
27Elbert County49.5+1%
29Huerfano County49+0.8%
30Douglas County48.9+0.8%
31Jefferson County48.2+0.8%
32Fremont County47.9+1.7%
33La Plata County47.6+2.6%
33San Miguel County47.6+3.3%
35Rio Blanco County47+3.3%
36Boulder County46.8+0.6%
37Archuleta County46.3+2.9%
38Moffat County46.1+2.2%
39Garfield County46+2.9%
40Dolores County45.9+3.1%
41Alamosa County45.5+3.4%
42Costilla County44.7+2.5%
43Ouray County44.5+3.7%
44Larimer County44.3+0.5%
45Custer County44+2.1%
46Conejos County43+3.1%
47Rio Grande County42.8+3.9%
48Teller County42.5+1.9%
49Routt County42.3+2.7%
50Eagle County41.9+2.4%
51Gilpin County41.6+1.5%
51Saguache County41.6+2.7%
53Gunnison County40.7+3.6%
53Park County40.7+2.3%
55Chaffee County40.5+2%
55Pitkin County40.5+3.3%
57Grand County39.8+2.6%
58Clear Creek County39.7+1.5%
59Mineral County39.5+4.2%
60Jackson County39+2.1%
61Hinsdale County38.9+3.7%
62Summit County38.2+2.4%
63San Juan County38+3.8%
64Lake County36.9+2.2%

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, 2017) [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, 2017. 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=2017. 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, 2017. 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=2017.

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, 2017 [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=2017 (Accessed: 12 October 2026).

BibTeX
@misc{noaa_counties_in_colorado_by_2017,
  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, 2017}},
  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=2017. 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, 2017
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=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/average-annual-temperature/colorado-counties?period=2017.
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 Colorado by average annual temperature using official data, and cite the source.
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Questions

Which county has the highest average annual temperature?

Bent County, with 55.5 °F in 2017, according to NOAA National Centers for Environmental Information.

Which county has the lowest average annual temperature?

Lake County, with 36.9 °F in 2017.

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.

Average annual temperature: other rankings

Counties in Colorado: more rankings