Best time to visit Monmouth, OR

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Monmouth runs from April through October — 7 months of pleasant temperatures and modest rainfall.

January Wet
High
46.6°F
Low
35.2°F
Precip
7.48 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 8h 58m

February Wet
High
50.6°F
Low
35.6°F
Precip
5.56 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 10h 11m

March Wet
High
55.8°F
Low
37.6°F
Precip
5.08 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 11h 41m

April Good
High
60.7°F
Low
40.2°F
Precip
3.71 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 13h 16m

May Good
High
68.3°F
Low
45.1°F
Precip
2.36 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 38m

June Good
High
73.2°F
Low
48.8°F
Precip
1.49 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 15h 21m

July Good
High
82.5°F
Low
52.1°F
Precip
0.31 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 15h 5m

August Good
High
83.1°F
Low
52.1°F
Precip
0.47 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 13h 53m

September Good
High
77.6°F
Low
49.1°F
Precip
1.60 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 12h 18m

October Good
High
64.5°F
Low
43.8°F
Precip
3.80 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 43m

November Wet
High
52.1°F
Low
38.4°F
Precip
7.18 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 9h 18m

December Wet
High
45.5°F
Low
34.8°F
Precip
8.74 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 8h 37m

Looking for similar climates? See Monmouth's climate twins. Or jump straight to the full climate profile.