Mount Fernow

Mountain Remote North Cascades peak in Washington state

A remote Cascade peak in Washington State, Mount Fernow appeals to experienced mountaineers and backcountry skiers for its long approaches and alpine climbing routes.

Main image
Mount Fernow
48.1621, -120.8082

How to Get to Mount Fernow #

Mount Fernow is accessed by Forest Service roads and trailheads in the central Washington Cascades region. The nearest larger towns vary depending on approach-check US Forest Service maps for precise trailhead locations and seasonal road closures.

Tips for Visiting Mount Fernow #

  • Trailheads can be accessed from Forest Service roads-check road conditions since high-country roads can be rough or gated seasonally.
  • Expect alpine conditions and variable weather even on summer days; pack navigation aids for cross-country travel.
  • Permit and wilderness regulations may apply-check with the Washington State Department of Natural Resources or USFS for current rules.

Best Time to Visit Mount Fernow #

Best visited in mid-summer for accessible routes and more reliable weather; off-season travel requires alpine skills.

Summer
July-September · 5-18°C
Most stable weather and snow-free routes-best for hiking and scrambling.
Late spring
May-June · -2-8°C
Snow remains in upper basins; avalanche risk possible early in the season.

Weather & Climate near Mount Fernow #

Climate

Mount Fernow's climate is classified as Tundra - Tundra climate with cold summers (peaking in August) and freezing winters (coldest in December). Temperatures range from -13°C to 16°C. Abundant rainfall (1588 mm/year), wettest in December.

Temperature & Rainfall
Temperature Range
16°
Warmest Month
-13°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -4°C and lows of -13°C. Heavy rain (224 mm).

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-13° -4°

Weather

224 mm
Rainfall
3.8 m/s
Wind
Light Breeze

February

February is freezing with highs of -2°C and lows of -11°C. Significant rainfall (167 mm).

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-11° -2°

Weather

167 mm
Rainfall
3.5 m/s
Wind
Light Breeze

March

March is freezing with highs of -3°C and lows of -10°C. Significant rainfall (144 mm).

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-10° -3°

Weather

144 mm
Rainfall
3.7 m/s
Wind
Light Breeze

April

April is freezing with highs of 0°C and lows of -8°C. Regular rainfall (95 mm).

Comfort

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

Weather

95 mm
Rainfall
3.8 m/s
Wind
Light Breeze

May

May is cold with highs of 5°C and lows of -4°C. Regular rainfall (97 mm).

Comfort

Feels Like Cold
C
Temperature
-4°

Weather

97 mm
Rainfall
3.8 m/s
Wind
Light Breeze

June

June is cold with highs of 9°C and lows of -1°C. Regular rainfall (92 mm).

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

92 mm
Rainfall
3.8 m/s
Wind
Light Breeze

July

July is cold with highs of 14°C and lows of 2°C. Moderate rainfall (54 mm).

Comfort

Feels Like Cold
C
Temperature
14°

Weather

54 mm
Rainfall
3.7 m/s
Wind
Light Breeze

August

August is cold with highs of 16°C and lows of 3°C. Moderate rainfall (63 mm).

Comfort

Feels Like Cold
C
Temperature
16°

Weather

63 mm
Rainfall
3.5 m/s
Wind
Light Breeze

September

September is cold with highs of 11°C and lows of 0°C. Moderate rainfall (75 mm).

Comfort

Feels Like Cold
C
Temperature
11°

Weather

75 mm
Rainfall
3.6 m/s
Wind
Light Breeze

October

October is cold with highs of 6°C and lows of -4°C. Significant rainfall (129 mm).

Comfort

Feels Like Cold
C
Temperature
-5°

Weather

129 mm
Rainfall
3.8 m/s
Wind
Light Breeze

November

November is freezing with highs of -2°C and lows of -10°C. Heavy rain (218 mm).

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-10° -2°

Weather

218 mm
Rainfall
3.8 m/s
Wind
Light Breeze

December

December is the coldest month with highs of -5°C and lows of -13°C. The wettest month with heavy rain (230 mm).

Comfort

-9°
Feels Like Freezing
-9°C
Temperature
-13° -5°

Weather

230 mm
Rainfall
3.6 m/s
Wind
Light Breeze

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