Weather in Oregon

Calculated from weather data of Roberts Field (KRDM) between 2021 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021
January	45.0	43.0	46.0	49.0	47.0
February	48.0	50.0	49.0	54.0	46.0
March	53.0	55.0	47.0	59.0	56.0
April	61.0	61.0	61.0	57.0	66.0
May	72.0	70.0	74.0	67.0	71.0
June	80.0	81.0	82.0	79.0	86.0
July	91.0	94.0	92.0	93.0	94.0
August	89.0	87.0	90.0	93.0	88.0
September	79.0	83.0	77.0	82.0	80.0
October	66.0	68.0	67.0	73.0	64.0
November	52.0	51.0	52.0	48.0	56.0
December	44.0	46.0	50.0	37.0	45.0
Average	65.0	66.0	66.0	67.0	67.0

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021
January	27.0	26	26	28	28
February	25.0	30	24	23	26
March	28.0	29	26	33	27
April	33.0	31	33	30	30
May	40.0	38	44	38	39
June	46.0	46	46	48	51
July	51.0	52	51	53	53
August	51.0	50	54	54	50
September	43.0	46	44	45	43
October	35.0	36	36	36	37
November	30.0	32	30	26	36
December	26.0	30	33	17	28
Average	36.0	37.0	37.0	36.0	37.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021
86 °F or warmer	62	67	69	75
77 °F or warmer	114	128	118	121
68 °F or warmer	158	156	156	160
32 °F or colder	118	122	136	129

Precipitation (%)

Month	Average	2024	2023	2022	2021
January	8.8	18	4	6	7
February	10.1	15	12	6	5
March	6.0	3	15	6	1
April	5.9	6	6	5	1
May	4.7	4	5	7	4
June	2.6	0	1	9	4
July	0.6	0	0	1	3
August	0.6	2	1	0	0
September	2.7	2	6	2	4
October	4.4	5	13	0	3
November	6.2	7	5	11	5
December	6.9	10	8	13	11
Average	4.7	5.5	6.0	5.0	3.6

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021
January	7.4	8	8	7	8
February	8.2	6	9	8	10
March	8.0	9	9	8	8
April	8.6	7	9	10	9
May	7.8	9	6	9	8
June	7.5	8	7	8	7
July	6.2	6	6	6	6
August	6.3	6	6	6	7
September	6.4	6	7	6	6
October	7.0	7	6	6	9
November	7.6	9	7	7	8
December	6.6	6	7	5	9
Average	7.3	7.2	7.2	7.3	7.8

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021
January	SW	S	S	S
February	SW	W	W	W
March	SW	S	NW	SW
April	NW	W	W	NW
May	NW	NW	W	NW
June	NW	NW	NW	NW
July	N	N	NW	NW
August	NW	NW	NW	NW
September	NW	NW	NW	NW
October	W	NW	NW	SW
November	SW	SW	SW	SW
December	S	SW	S	SW

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Oregon weather Q&A

What is the warmest month in Oregon?

The warmest month is July with an average temperature of 91 °F over the past years.

What is the coldest month in Oregon?

The coldest month is December with an average daytime temperature of 44 °F in the past few years.

Which month is the wettest in Oregon?

Chance of precipitation is the highest in February with a probability of around 10.1 %.

Which month is the driest in Oregon?

The least rainfall and snow can be expected in July. The probability is about 0.6 %.