Mount Rainier National Park Weather in March

March in Mount Rainier National Park brings very low temperatures around -4°C (25°F) during the day, dropping to -13°C (9°F) at night, with the most snowfall of the year.

Rainfall in Mount Rainier National Park in March

As part of the rainy season, Mount Rainier National Park sees around 27 days of rain in March, with an average of 539 mm (21 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Mount Rainier National Park in March

Mount Rainier National Park in March gets highs of -4°C (25°F) during the day and drops to -13°C (9°F) at night. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. With lows of -13°C (9°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

Sunshine in Mount Rainier National Park in March

The area experiences a moderate amount of sunshine, with approximately 189 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.

If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit Mount Rainier National Park. Our weather planner can help you explore destinations with more pleasant weather conditions.