Mount St. Helens Loo-wit
Mount St. Helens is a stratovolcano and mountain located in Washington, United States. It sits in the Cascade Range at an elevation of 2,549 meters and is listed on the National Register of Historic Places. It ranks as one of the sights of the country with a high number of English Wikipedia lookups.
Planning a visit
The warmest months are July and August, with daily highs reaching 17 °C to 18 °C and lows of 5 °C, along with lower rainfall of 46 to 58 mm across 2 to 4 rainy days. Winter months bring heavy rain and snow, with December receiving up to 684 mm of rain across 22 days and temperatures dropping to a high of -2 °C and a low of -7 °C.
The nearest airport is Portland International Airport in Portland, United States, located 75 km away. The site is 3,734 km from Washington, D.C.
Weather by month
The warmest month is August, with an average high of 18 °C. The wettest is December, with about 684 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | -1 | 0 | 1 | 4 | 8 | 12 | 17 | 18 | 14 | 8 | 1 | -2 |
| Average low, °C | -6 | -7 | -7 | -6 | -2 | 1 | 5 | 5 | 3 | -1 | -5 | -7 |
| Rainfall, mm | 592 | 444 | 468 | 300 | 205 | 154 | 46 | 58 | 143 | 367 | 660 | 684 |
| Rainy days | 21 | 19 | 18 | 17 | 11 | 9 | 2 | 4 | 8 | 14 | 19 | 22 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
