Mount McLoughlin

Mountain Prominent Cascade volcano in Oregon with alpine summit

On Oregon’s Cascade front, Mount McLoughlin is a volcanic cone popular with day-hikers and scramblers for clear summit views, spring wildflowers and snow routes in shoulder seasons.

Main image
Main image
Mount McLoughlin
Mount McLoughlin area, Cascade-Siskiyou National Monument, Oregon, USA
42.4445, -122.3160
Free (trail permits and rescue insurance recommended)

How to Get to Mount McLoughlin #

The most common access is from trailheads off Highway 140 near the town of Lake of the Woods and Aspen Lake Road. The area is managed by the U.S. Forest Service (Rogue River-Siskiyou National Forest); consult local ranger stations for route conditions.

Tips for Visiting Mount McLoughlin #

  • Start early-the south ridge ascent is popular and offers better weather windows in the morning.
  • Consider hiring a local guide if unfamiliar with route-finding; snowfields can persist into summer on higher sections.
  • Check with Oregon Parks and local ranger stations for wildfire closures and trail advisories.

Best Time to Visit Mount McLoughlin #

Best from June through September for safe and accessible routes; mountain weather remains changeable.

Summer
June-September · 5-22°C (41-72°F)
Best for hiking and climbing; most snow melted by mid-summer.
Late spring
May-June · 0-12°C (32-54°F)
Potential snow at higher elevations; wildflowers begin lower down.

Weather & Climate near Mount McLoughlin #

Climate

Mount McLoughlin's climate is classified as Subarctic (Dry Summer) - Subarctic (Dry Summer) climate with cool summers (peaking in August) and freezing winters (coldest in March). Temperatures range from -8°C to 18°C. Abundant rainfall (1793 mm/year), wettest in December with a pronounced dry season.

Temperature & Rainfall
Temperature Range
18°
Warmest Month
-8°
Coldest Month
Monthly Conditions

January

January is freezing with highs of 2°C and lows of -6°C. Heavy rain (262 mm).

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-6°

Weather

262 mm
Rainfall
4.4 m/s
Wind
Light Breeze

February

February is freezing with highs of 2°C and lows of -7°C. Heavy rain (217 mm).

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-7°

Weather

217 mm
Rainfall
4.2 m/s
Wind
Light Breeze

March

March is the coldest month with highs of 1°C and lows of -8°C. Heavy rain (211 mm).

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-8°

Weather

211 mm
Rainfall
4.0 m/s
Wind
Light Breeze

April

April is freezing with highs of 3°C and lows of -8°C. Significant rainfall (147 mm).

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-8°

Weather

147 mm
Rainfall
3.9 m/s
Wind
Light Breeze

May

May is cold with highs of 6°C and lows of -5°C. Regular rainfall (97 mm).

Comfort

Feels Like Cold
C
Temperature
-5°

Weather

97 mm
Rainfall
3.8 m/s
Wind
Light Breeze

June

June is cold with highs of 11°C and lows of -1°C. Moderate rainfall (61 mm).

Comfort

Feels Like Cold
C
Temperature
-1° 11°

Weather

61 mm
Rainfall
3.7 m/s
Wind
Light Breeze

July

July is cold with highs of 17°C and lows of 3°C. The driest month with just 26 mm.

Comfort

10°
Feels Like Cold
10°C
Temperature
17°

Weather

26 mm
Rainfall
3.5 m/s
Wind
Light Breeze

August

August is cool with highs of 18°C and lows of 3°C. Moderate rainfall (35 mm).

Comfort

11°
Feels Like Cool
11°C
Temperature
18°

Weather

35 mm
Rainfall
3.4 m/s
Wind
Light Breeze

September

September is cold with highs of 15°C and lows of 2°C. Moderate rainfall (59 mm).

Comfort

Feels Like Cold
C
Temperature
15°

Weather

59 mm
Rainfall
3.5 m/s
Wind
Light Breeze

October

October is cold with highs of 11°C and lows of -1°C. Significant rainfall (127 mm).

Comfort

Feels Like Cold
C
Temperature
-1° 11°

Weather

127 mm
Rainfall
3.8 m/s
Wind
Light Breeze

November

November is freezing with highs of 4°C and lows of -6°C. Heavy rain (269 mm).

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-6°

Weather

269 mm
Rainfall
4.2 m/s
Wind
Light Breeze

December

December is freezing with highs of 2°C and lows of -7°C. The wettest month with heavy rain (282 mm).

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-7°

Weather

282 mm
Rainfall
4.3 m/s
Wind
Light Breeze

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