What is the weather like at Crater Lake National Park?

Crater Lake National Park has a high-elevation climate with long snowy winters and short mild summers. Weather conditions can change quickly due to the park’s altitude.

Why is Crater Lake so cold?

Crater Lake sits more than 6,000 feet above sea level in the Cascade Mountains, which keeps temperatures cooler throughout the year.

Does Crater Lake get extreme weather?

Yes. The park experiences heavy snowfall in winter, strong winds, and rapidly changing weather conditions.

How much snow does Crater Lake get each year?

Crater Lake averages more than 500 inches of snow annually, making it one of the snowiest places in the United States.

When does it start snowing at Crater Lake?

Snow can begin falling as early as October and may continue through late spring, sometimes lasting into June.

What is the snowiest month at Crater Lake?

January and February are usually the snowiest months with the highest snowfall totals.

Is Crater Lake open during winter?

Yes, the park is open year-round, but many roads and facilities close due to snow.

Can you visit Crater Lake in winter?

Visitors can enjoy winter activities such as snowshoeing, cross-country skiing, and ranger-guided snowshoe walks.

What is the best month to visit Crater Lake for good weather?

July and August typically offer the warmest temperatures and the most reliable weather.

Does it snow in summer at Crater Lake?

Snow rarely falls in midsummer, but snowbanks from winter can remain into June.

How warm does it get in summer at Crater Lake?

Summer daytime temperatures usually reach between 65°F and 70°F (18–21°C).

Is Crater Lake crowded in summer?

Yes, summer is the busiest season because of the warm weather and full access to park roads and trails.

When is the rainy season at Crater Lake?

Late fall through early spring brings the most precipitation, often in the form of snow.

Does it rain a lot at Crater Lake?

Yes, especially during the cooler months, although much of the precipitation falls as snow.

What is the driest month at Crater Lake?

July is typically the driest month with very little rainfall.

When is the best time to avoid crowds at Crater Lake?

Late spring and early fall, such as May, June, and September, usually have fewer visitors.

Are all roads open year-round at Crater Lake?

No, roads like Rim Drive often close during winter due to heavy snowfall.

Is the weather at Crater Lake unpredictable?

Yes, conditions can change quickly due to the park’s elevation and mountain weather patterns.

What should I pack for Crater Lake weather?

Visitors should bring layered clothing, waterproof gear, and warm jackets even in summer.

Is Crater Lake good for hiking year-round?

Hiking is best from July to September when trails are mostly snow-free.

Crater Lake National Park Weather by Month

Perched high in the Cascade Mountains of southern Oregon, Crater Lake National Park is known for its deep blue water, dramatic cliffs, and—importantly—its highly seasonal weather. Because the park sits at over 6,000 feet (1,800 meters) elevation, conditions can vary dramatically throughout the year. Here’s a detailed month-by-month breakdown to help you plan your visit.

You can click the image below to view the full-size weather chart for Crater Lake National Park.

Crater Lake National Park Weather by Month

January

January is the heart of winter. Expect heavy snowfall, freezing temperatures, and limited access.

Avg High: 30°F (-1°C)
Avg Low: 18°F (-8°C)
Highlights: Snowshoeing and cross-country skiing
Note: Most roads, including Rim Drive, are closed

February

Conditions remain deeply wintry, with snow continuing to accumulate.

Avg High: 32°F (0°C)
Avg Low: 19°F (-7°C)
Highlights: Quiet landscapes, ideal for winter solitude
Note: Snow depth can exceed several meters

March

Winter lingers, though daylight increases and storms may begin to ease.

Avg High: 36°F (2°C)
Avg Low: 22°F (-6°C)
Highlights: Late-season snow adventures
Note: Still very limited accessibility

April

A transitional month—but still very snowy.

Avg High: 42°F (6°C)
Avg Low: 26°F (-3°C)
Highlights: Fewer crowds, beautiful snowy vistas
Note: Snow often continues to fall

May

Spring arrives slowly due to elevation.

Avg High: 51°F (11°C)
Avg Low: 31°F (-1°C)
Highlights: Melting snow reveals early greenery
Note: Many trails and roads remain closed

June

Early summer begins, but snow can still linger.

Avg High: 60°F (16°C)
Avg Low: 37°F (3°C)
Highlights: Gradual reopening of park facilities
Note: Rim Drive may still be partially closed

July

One of the best months to visit.

Avg High: 69°F (21°C)
Avg Low: 43°F (6°C)
Highlights: Clear skies, full access to trails and roads
Note: Peak tourist season

August

Warm, dry, and ideal for outdoor activities.

Avg High: 69°F (21°C)
Avg Low: 44°F (7°C)
Highlights: Hiking, boat tours, and scenic drives
Note: Occasional wildfire smoke may affect visibility

September

Early fall brings cooler temperatures and fewer crowds.

Avg High: 63°F (17°C)
Avg Low: 38°F (3°C)
Highlights: Crisp air and stunning lake views
Note: Weather can change quickly

October

Fall colors appear, but winter begins creeping back.

Avg High: 53°F (12°C)
Avg Low: 32°F (0°C)
Highlights: Autumn scenery
Note: First snowfall often occurs

November

Winter returns in force.

Avg High: 40°F (4°C)
Avg Low: 25°F (-4°C)
Highlights: Snow-covered landscapes
Note: Road closures begin again

December

Snowy, quiet, and magical.

Avg High: 33°F (1°C)
Avg Low: 20°F (-7°C)
Highlights: Winter recreation and solitude
Note: Heavy snowfall is common