Oregon December Weather

Oregon weather averages and all-time records in the month of December from 1991–2020 based on data made available by the NOAA.

State:

Month:

Statewide December Averages
High temperature	39.7 °F
Low temperature	25.2 °F
Precipitation	5.2 inches

Oregon Cities

December weather averages for various places in Oregon, from 1991–2020.

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation	Snow
Ashland	47.6	28.8	70	-4	3.3	0.2
Astoria	49.0	37.7	64	6	10.7	n/a
Baker City	35.4	18.2	60	-34	0.8	n/a
Bend	40.2	22.9	68	-25	1.8	5.8
Boardman	41.4	28.2	73	-15	1.3	2.2
Burns	35.3	14.5	62	-30	1.5	n/a
Corvallis	46.7	34.1	66	-8	7.7	0.7
Cottage Grove	47.1	34.1	73	-4	7.4	0.4
Crater Lake	33.6	19.1	64	-18	11.5	89.3
Estacada	47.1	34.9	68	-2	8.3	0.1
Eugene	46.4	34.6	68	-12	7.2	n/a
Forest Grove	45.4	33.3	64	-4	8.5	1.2
Government Camp	35.3	25.1	65	-12	14.2	49.0
John Day	41.1	22.6	66	-23	1.1	2.9
Klamath Falls	39.3	21.4	63	-20	2.0	n/a
Madras	41.5	21.6	68	-40	1.2	1.1
Medford	46.3	32.3	72	-6	3.5	0.8
Milton Freewater	42.6	29.4	71	-24	1.9	2.2
Newport	51.5	40.4	73	6	11.6	0.1
North Bend	52.9	40.1	70	13	10.6	0.2
Oakridge	43.0	32.0	66	-1	7.5	1.5
Pendleton	40.8	27.9	75	-28	1.5	5.2
Portland	46.3	36.1	67	3	5.8	1.2
Redmond	41.8	21.7	72	-28	1.0	n/a
Roseburg	48.1	36.7	70	5	5.9	n/a
Salem	46.9	34.9	72	-12	7.0	n/a
Seneca	35.8	12.2	59	-41	1.6	n/a
Stayton	46.4	34.3	66	-7	8.4	0.0
The Dalles	42.1	31.0	74	-5	2.7	n/a
Tillamook	50.9	36.8	69	4	14.8	0.0