Average Temperatures in Oregon

Average annual temperatures for cities, towns, parks and lakes throughout Oregon are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Oregon Coast, Willamette Valley, Cascade Mountains, Central Oregon and Eastern Oregon.

The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1991 to 2020.

Place name links take you to more detailed temperature information for that location.

Oregon Coast

Average annual temperatures
High °F	Low °F	Place	High °C	Low °C
58	45	Astoria	15	7
60	48	Brookings	16	9
61	47	Gold Beach	16	8
58	44	Honeyman State Park	14	7
57	44	Newport	14	7
60	46	North Bend	15	8
60	47	Port Orford	16	8
59	45	Seaside	15	7
60	42	Tillamook	15	6

Average temperatures for the year
High °F	Low °F	Place	High °C	Low °C
64	42	Corvallis	18	6
64	42	Eugene	18	6
65	45	Lebanon	18	7
63	46	Portland	17	8
64	44	Salem	18	7

Average yearly temperatures
High °F	Low °F	Place	High °C	Low °C
48	28	Crater Lake Park	9	-2
60	45	Detroit Lake Dam	16	7
51	35	Government Camp	10	2
68	43	Grants Pass	20	6
55	33	Howard Prairie Lake Dam	13	0
62	32	Klamath Falls	17	0
60	34	Lakeview	16	1
62	39	McKenzie Bridge	17	4
68	44	Medford	20	6
68	45	Roseburg	20	7
59	41	Three Lynx	15	5
62	40	Toketee Falls	17	4
59	32	Wickiup Reservoir Dam	15	0

Annual average temperature
High °F	Low °F	Place	High °C	Low °C
61	34	Bend	16	1
61	41	Hood River	16	5
62	32	Madras	17	0
66	42	The Dalles	19	5

Average annual temperatures
High °F	Low °F	Place	High °C	Low °C
59	31	Hart Mountain Antelope Refuge	15	0
63	40	Heppner	17	4
61	38	La Grande	16	3
66	36	Lake Owyhee Dam	19	2
60	33	Malheur National Wildlife Refuge	16	0
64	39	Ontario	18	4
66	40	Pendleton	19	4
57	24	Seneca	14	-4
65	33	Summer Lake	18	1