Best time to visit Vernonia, OR

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

The most comfortable travel window in Vernonia runs from May through October — 6 months of pleasant temperatures and modest rainfall.

January Wet
High
45.7°F
Low
31.6°F
Precip
6.94 in

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

Daylight ≈ 8h 51m

February Wet
High
49.4°F
Low
30.9°F
Precip
5.34 in

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

Daylight ≈ 10h 7m

March Wet
High
53.6°F
Low
33.5°F
Precip
5.30 in

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

Daylight ≈ 11h 40m

April Cool
High
58.6°F
Low
35.6°F
Precip
3.74 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 13h 19m

May Good
High
65.5°F
Low
40.3°F
Precip
2.39 in

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

Daylight ≈ 14h 44m

June Good
High
69.9°F
Low
44.4°F
Precip
1.44 in

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

Daylight ≈ 15h 28m

July Good
High
77.3°F
Low
47.2°F
Precip
0.39 in

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

Daylight ≈ 15h 12m

August Good
High
78.2°F
Low
46.9°F
Precip
0.55 in

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

Daylight ≈ 13h 57m

September Good
High
73.1°F
Low
42.9°F
Precip
1.79 in

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

Daylight ≈ 12h 18m

October Good
High
61.4°F
Low
38.3°F
Precip
4.12 in

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

Daylight ≈ 10h 40m

November Wet
High
50.6°F
Low
34.2°F
Precip
7.70 in

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

Daylight ≈ 9h 12m

December Wet
High
44.3°F
Low
31.3°F
Precip
8.33 in

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

Daylight ≈ 8h 29m

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