Oregon May Weather

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

State:

Month:

Oregon Cities

May 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	71.6	41.3	101	23	1.6	0.0
Astoria	60.8	46.4	93	30	3.4	n/a
Baker City	67.4	37.3	94	15	1.5	n/a
Bend	65.6	36.9	93	11	0.9	0.0
Boardman	74.8	46.8	102	29	0.8	0.0
Burns	67.2	36.3	94	13	1.3	n/a
Corvallis	68.1	44.7	96	28	2.3	0.0
Cottage Grove	68.6	44.2	98	23	2.9	0.0
Crater Lake	49.9	29.4	80	5	3.6	14.8
Estacada	67.4	46.1	105	29	3.8	0.0
Eugene	67.7	44.2	95	28	2.5	n/a
Forest Grove	69.4	46.2	101	28	2.3	0.0
Government Camp	53.5	35.7	93	18	5.8	4.0
John Day	68.3	39.2	98	13	1.9	0.0
Klamath Falls	67.6	37.8	98	17	1.2	n/a
Madras	68.5	37.0	101	2	1.1	0.0
Medford	74.1	46.8	103	28	1.3	0.0
Milton Freewater	72.8	49.8	99	25	1.7	0.0
Newport	59.4	47.1	82	28	3.4	0.0
North Bend	60.5	47.6	94	26	3.0	0.0
Oakridge	66.5	43.0	106	21	3.2	0.0
Pendleton	70.9	45.5	103	22	1.5	0.0
Portland	68.8	49.4	100	29	2.5	0.0
Redmond	68.6	36.3	99	12	1.2	n/a
Roseburg	70.7	47.8	105	26	2.0	n/a
Salem	68.6	45.9	100	25	2.2	n/a
Seneca	61.8	32.4	89	6	1.7	n/a
Stayton	67.4	45.8	98	31	3.3	0.0
The Dalles	74.1	49.0	107	28	0.8	n/a
Tillamook	61.0	44.2	88	25	4.5	0.0