Snoqualmie Pass Weather in May

May in Snoqualmie Pass brings moderate temperatures, with highs of 12°C (54°F) and nights dropping to 3°C (37°F). Rainfall is on the higher side this month, averaging around 128 mm (5 in), so keep a rain jacket handy.

Rainfall in Snoqualmie Pass in May

Records from the past 30 years suggest around 17 days of rain, with 128 mm (5 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Snoqualmie Pass in May

In May, Snoqualmie Pass gets moderate temperatures, with highs of 12°C (54°F). Nights cool to around 3°C (37°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Snoqualmie Pass in May

Expect a lot of sunshine this month, with about 254 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

May in Snoqualmie Pass has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.