Olympic National Park Weather in May

With daytime temperatures of 11°C (52°F) and nighttime lows of 3°C (37°F), May in Olympic National Park brings low temperatures during the day. Some rainfall is to be expected during the month.

Rainfall in Olympic National Park in May

Past climate data indicates that roughly 15 days will see rain, totalling around 57 mm (2.2 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Olympic National Park in May

In May, Olympic National Park gets low temperatures, with highs of 11°C (52°F). Nights cool to around 3°C (37°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Olympic National Park in May

The month enjoys around 270 hours of sunshine, creating mostly sunny days despite the cool temperatures.

If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Olympic National Park.