Counties in Oregon by average annual temperature

Curry County had the highest average annual temperature of 36 counties in 2017, at 53.2 °F. Wallowa County had the lowest, at 44.4 °F. The median was 49.7 °F and the figure for Oregon was 48 °F. Source: NOAA National Centers for Environmental Information.

Highest53.2Curry County

Lowest44.4Wallowa County

Median49.736 counties

Oregon48History

All counties, 2017

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

Full ranking

Rank	Counties	2017 °F	Change on 2016
1	Curry County	53.2	-1.3%
2	Coos County	53.1	-1.8%
3	Benton County	52.7	-2%
4	Polk County	52.2	-1.9%
5	Yamhill County	52.1	-2.3%
6	Josephine County	51.7	-1%
6	Lincoln County	51.7	-1.7%
8	Multnomah County	51.6	-2.6%
9	Douglas County	51.4	-1.5%
10	Washington County	51.2	-2.7%
11	Jackson County	51.1	-0.6%
12	Columbia County	50.7	-3.2%
13	Lane County	50.3	-1.6%
14	Marion County	50.2	-2%
15	Gilliam County	50.1	-3.7%
16	Clatsop County	50	-3.7%
17	Morrow County	49.8	-2.9%
18	Linn County	49.7	-1.8%
18	Sherman County	49.7	-4.1%
18	Tillamook County	49.7	-2.5%
21	Umatilla County	48.8	-3%
22	Clackamas County	48.7	-2.2%
23	Malheur County	48.4	-2%
24	Wasco County	48.3	-3%
25	Jefferson County	47.6	-2.1%
26	Wheeler County	47.5	-1.2%
27	Harney County	46.9	-0.8%
28	Crook County	46.2	-0.9%
29	Lake County	46.1	-0.4%
30	Baker County	45.9	-1.7%
31	Hood River County	45.7	-2.6%
32	Klamath County	45.3	0%
33	Union County	45.1	-1.3%
34	Grant County	45	-0.9%
35	Deschutes County	44.4	-1.6%
35	Wallowa County	44.4	-0.7%

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 Oregon 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 Oregon 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/oregon-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 Oregon 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/oregon-counties?period=2017.

Harvard

NOAA National Centers for Environmental Information (2026) NOAA Climate at a Glance, January to December average temperature, counties, Counties in Oregon 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/oregon-counties?period=2017 (Accessed: 12 October 2026).

BibTeX

@misc{noaa_counties_in_oregon_by_2017,
  author = {{NOAA National Centers for Environmental Information}},
  title = {{NOAA Climate at a Glance, January to December average temperature, counties: Counties in Oregon 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/oregon-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 Oregon 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/oregon-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/average-annual-temperature/oregon-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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Questions

Which county has the highest average annual temperature?

Curry County, with 53.2 °F in 2017, according to NOAA National Centers for Environmental Information.

Which county has the lowest average annual temperature?

Wallowa County, with 44.4 °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.