Ilwaco Weather in May

Thinking of visiting Ilwaco in May? Expect moderate temperatures reaching 14°C (57°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Ilwaco in May

Typically, you can expect about 16 days of rain this month, with 99 mm (3.9 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Ilwaco in May

Temperatures in Ilwaco in May top out at 14°C (57°F) and drop to 8°C (46°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Ilwaco in May

Enjoy a sunny month with about 278 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.

For Ilwaco itself, July generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.