Little Bitterroot Lake, Montana Reservoir

Montana montane lake within Bitterroot National Forest

A backcountry lake in Montana's wilderness, reached by forest roads and trails. Anglers, canoeists and hikers use the area for fishing, camping and quiet outdoor days.

Address
Little Bitterroot Lake, Montana, USA
48.11432, -114.71559

Little Bitterroot Lake is a small freshwater lake in the state of Montana in the United States. It is located in a largely forested and mountainous part of northwestern Montana.

The lake is primarily of local interest for outdoor recreation such as fishing and access to surrounding trails rather than as a major tourist destination. Facilities and services, if present, are typical of remote lakes in Montana and tend to be limited.

As a natural lake it has been shaped by regional glacial and watershed processes; it is part of Montana’s broader inland lake and river system.

Geographically the lake sits in northwestern Montana; the coordinates place it in a rural, forested landscape characteristic of that region of the state.

Best Time to Visit Little Bitterroot Lake, Montana#

Best visited in summer (June-September) for warm weather, lake access and outdoor activities; winter brings heavy cold and limited access.

Summer
June-September · 10-25°C
Warmest and most accessible period-best for boating, fishing and hiking around the lake; nights can still be cool.
Autumn
September-October · 0-15°C
Crisp, shorter days with colorful foliage and fewer visitors; some services and access routes may begin to close later in the season.
Winter
November-March · below 0 to -20°C (commonly below freezing)
Cold, snowy conditions that can make roads and trails difficult or impassable-visit only if prepared for winter backcountry conditions.

Weather & Climate near Little Bitterroot Lake, Montana#

Climate

Little Bitterroot Lake, Montana's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -10°C to 27°C. Moderate rainfall (552 mm/year).

Temperature & Rainfall
Temperature Range
27°
Warmest Month
-10°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -2°C and lows of -10°C. The wettest month with 62 mm of rain.

Comfort

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

Weather

62 mm
Rainfall
3.0 m/s
Wind
Light Breeze

February

February is freezing with highs of 2°C and lows of -8°C. Moderate rainfall (45 mm).

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-9°

Weather

45 mm
Rainfall
3.0 m/s
Wind
Light Breeze

March

March is cold with highs of 6°C and lows of -6°C. Moderate rainfall (39 mm).

Comfort

Feels Like Cold
C
Temperature
-6°

Weather

39 mm
Rainfall
3.2 m/s
Wind
Light Breeze

April

April is cold with highs of 12°C and lows of -2°C. Moderate rainfall (38 mm).

Comfort

Feels Like Cold
C
Temperature
-2° 12°

Weather

38 mm
Rainfall
3.3 m/s
Wind
Light Breeze

May

May is cold with highs of 17°C and lows of 2°C. Moderate rainfall (53 mm).

Comfort

Feels Like Cold
C
Temperature
17°

Weather

53 mm
Rainfall
3.2 m/s
Wind
Light Breeze

June

June is cool with highs of 21°C and lows of 6°C. Moderate rainfall (60 mm).

Comfort

13°
Feels Like Cool
13°C
Temperature
21°

Weather

60 mm
Rainfall
3.1 m/s
Wind
Light Breeze

July

July is cool with highs of 26°C and lows of 8°C. Moderate rainfall (33 mm).

Comfort

17°
Feels Like Cool
17°C
Temperature
26°

Weather

33 mm
Rainfall
2.9 m/s
Wind
Calm

August

August is cool with highs of 27°C and lows of 7°C. Moderate rainfall (36 mm).

Comfort

17°
Feels Like Cool
17°C
Temperature
27°

Weather

36 mm
Rainfall
2.8 m/s
Wind
Calm

September

September is cool with highs of 20°C and lows of 3°C. Moderate rainfall (36 mm).

Comfort

12°
Feels Like Cool
12°C
Temperature
21°

Weather

36 mm
Rainfall
2.8 m/s
Wind
Calm

October

October is cold with highs of 13°C and lows of -1°C. Moderate rainfall (32 mm).

Comfort

Feels Like Cold
C
Temperature
-1° 13°

Weather

32 mm
Rainfall
2.9 m/s
Wind
Calm

November

November is freezing with highs of 4°C and lows of -5°C. Moderate rainfall (56 mm).

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-5°

Weather

56 mm
Rainfall
3.1 m/s
Wind
Light Breeze

December

December is freezing with highs of -1°C and lows of -9°C. The wettest month with 62 mm of rain.

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-9° -1°

Weather

62 mm
Rainfall
2.9 m/s
Wind
Calm