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Pendleton May Weather

Averages and records for weather in Pendleton, Oregon in the month of May.

Typical Pendleton May Weather 1991–2020
Average daily high	70.9 °F
Average daily low	45.5 °F
Average monthly precipitation	1.5 inches
Average monthly snow	none
Daily chance of precipitation	31.1%
Daily chance of snow	0%

Pendleton May Weather Records 1892–2024
Highest temperature	103 °F	May 29, 1897
Lowest temperature	22 °F	May 4, 1897
Highest daily low	69 °F	May 31, 1986
Lowest daily high	47 °F	May 1, 1959
Hottest average high temperature	83.0 °F	1931
Coldest average high temperature	63.4 °F	1962
Most daily precipitation	1.6 inches	May 29, 1906
Most monthly precipitation	3.4 inches	1906
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	66.8	41.7	88	24
May 2	67.1	42.0	91	27
May 3	67.4	42.3	94	25
May 4	67.7	42.6	92	22
May 5	67.8	42.8	96	29
May 6	68.0	43.0	93	31
May 7	68.1	43.2	88	26
May 8	68.4	43.4	91	30
May 9	68.7	43.7	91	28
May 10	69.1	43.9	93	29
May 11	69.3	44.2	98	28
May 12	69.5	44.4	102	29
May 13	69.8	44.6	96	30
May 14	70.2	44.9	97	31
May 15	70.5	45.2	94	32
May 16	70.8	45.6	94	32
May 17	71.1	45.8	97	33
May 18	71.5	46.1	94	28
May 19	71.7	46.4	92	31
May 20	72.1	46.6	93	33
May 21	72.4	46.9	95	30
May 22	72.6	47.1	94	32
May 23	72.8	47.4	95	23
May 24	73.0	47.6	93	34
May 25	73.2	47.8	98	30
May 26	73.3	48.0	99	29
May 27	73.4	48.1	99	33
May 28	73.6	48.3	100	31
May 29	73.7	48.4	103	34
May 30	73.8	48.6	102	36
May 31	74.0	48.7	100	34

Weather Station Details

Years	Station	Coordinates
1928–2024	Pendleton	location
1892–1927	Pendleton Downtown	location