Best time to visit Ilwaco, WA

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

The most comfortable travel window in Ilwaco runs from May through September — 5 months of pleasant temperatures and modest rainfall.

January Wet
High
48.8°F
Low
35.9°F
Precip
12.04 in

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

Daylight ≈ 8h 48m

February Wet
High
50.4°F
Low
35.4°F
Precip
7.76 in

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

Daylight ≈ 10h 5m

March Wet
High
52.4°F
Low
37.3°F
Precip
8.71 in

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

Daylight ≈ 11h 40m

April Wet
High
55.0°F
Low
40.2°F
Precip
6.79 in

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

Daylight ≈ 13h 20m

May Good
High
58.9°F
Low
45.1°F
Precip
3.55 in

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

Daylight ≈ 14h 47m

June Good
High
62.0°F
Low
48.9°F
Precip
2.58 in

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

Daylight ≈ 15h 32m

July Excellent
High
65.2°F
Low
51.8°F
Precip
1.01 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 15h 15m

August Excellent
High
66.5°F
Low
51.6°F
Precip
1.63 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 13h 59m

September Good
High
66.0°F
Low
47.9°F
Precip
2.66 in

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

Daylight ≈ 12h 19m

October Wet
High
59.7°F
Low
42.2°F
Precip
8.20 in

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

Daylight ≈ 10h 38m

November Wet
High
52.5°F
Low
38.2°F
Precip
11.43 in

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

Daylight ≈ 9h 9m

December Wet
High
48.2°F
Low
35.8°F
Precip
12.15 in

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

Daylight ≈ 8h 25m

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