Lac Winnipeg

Lake Large freshwater lake in central Manitoba

Spanning Manitoba, Lake Winnipeg offers decades-old cottage communities, sport fishing and sailing across its wide basins. Visitors head to sandy beaches, birding spots and small towns like Gimli for local festivals and freshwater boating.

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Lake Winnipeg is a large freshwater lake in the province of Manitoba, Canada, covering about 24,514 square kilometres and extending roughly 400 to 450 kilometres north to south. It is relatively shallow for its size, with an average depth around 12 metres and a maximum depth near 36 metres.

The lake supports significant commercial and recreational fisheries and is an important feature in regional transportation and culture. Extensive shoreline wetlands and river inflows contribute to its ecological complexity and to water-quality issues in the lake.

Indigenous peoples and later fur-trade enterprises used the lake and its river connections for travel and trade for many centuries. Modern management involves provincial and federal authorities addressing nutrient inputs and fisheries sustainability.

Lake Winnipeg occupies central southern Manitoba and stretches north from the Red River and the city of Winnipeg; the city of Winnipeg sits at the southern end of the lake’s watershed and gave the lake its name.

  • Algal blooms: Shallow average depths and long residence time make the lake susceptible to seasonal and recurring cyanobacterial (harmful algal) blooms in warm months.
  • Fisheries: A major freshwater resource in Manitoba that supports commercial and subsistence fisheries, notably for walleye and whitefish.

How to Get to Lac Winnipeg #

Most visitor access is from Winnipeg (about 170 km south of the lake’s southern shore). Popular entry points include Gimli (on the west shore) and Grand Rapids (northwest). Many lodges on the lake’s larger basins require floatplane or boat charters; plan logistics in advance and confirm seasonal schedules.

Tips for Visiting Lac Winnipeg #

  • If visiting from Winnipeg, arrange a floatplane or charter - there are no regular passenger ferries across the lake.
  • Fishing licenses and local regulations must be arranged in advance; guides are recommended for navigation and safety.
  • Bring insect repellent in summer - mosquitoes can be relentless near the shallows and in boggy inlets.

Best Time to Visit Lac Winnipeg #

Summer for boating and fishing; winter for frozen-lake adventures but expect extreme cold.

Summer
June-August · 10-23°C
Long daylight and prime fishing season; best time for boating and camping.
Autumn
September-October · -1-10°C
Spectacular northern lights potential and dropping insect activity; nights chill quickly.
Winter
November-March · -30--5°C
Lake freezes for months, enabling ice fishing and snowmobile access; extreme cold and short days.

Weather & Climate near Lac Winnipeg #

Climate

Lac Winnipeg's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -24°C to 23°C. Moderate rainfall (502 mm/year).

Temperature & Rainfall
Temperature Range
23°
Warmest Month
-24°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -14°C and lows of -24°C. Light rainfall.

Comfort

-19°
Feels Like Freezing
-19°C
Temperature
-24° -14°

Weather

21 mm
Rainfall
3.9 m/s
Wind
Light Breeze

February

February is freezing with highs of -11°C and lows of -22°C. The driest month with just 15 mm.

Comfort

-17°
Feels Like Freezing
-17°C
Temperature
-22° -11°

Weather

15 mm
Rainfall
3.8 m/s
Wind
Light Breeze

March

March is freezing with highs of -4°C and lows of -15°C. Light rainfall.

Comfort

-10°
Feels Like Freezing
-10°C
Temperature
-15° -4°

Weather

27 mm
Rainfall
3.9 m/s
Wind
Light Breeze

April

April is freezing with highs of 5°C and lows of -6°C. Light rainfall.

Comfort

Feels Like Freezing
C
Temperature
-6°

Weather

23 mm
Rainfall
4.1 m/s
Wind
Light Breeze

May

May is cold with highs of 12°C and lows of 1°C. Moderate rainfall (47 mm).

Comfort

Feels Like Cold
C
Temperature
12°

Weather

47 mm
Rainfall
4.1 m/s
Wind
Light Breeze

June

June is cool with highs of 19°C and lows of 9°C. Moderate rainfall (67 mm).

Comfort

14°
Feels Like Cool
14°C
Temperature
19°

Weather

67 mm
Rainfall
3.9 m/s
Wind
Light Breeze

July

July is the warmest month with highs of 23°C and lows of 13°C. Moderate rainfall (57 mm).

Comfort

18°
Feels Like Mild
18°C
Temperature
13° 23°

Weather

57 mm
Rainfall
3.7 m/s
Wind
Light Breeze

August

August is cool with highs of 22°C and lows of 13°C. The wettest month with 75 mm of rain.

Comfort

18°
Feels Like Cool
18°C
Temperature
13° 22°

Weather

75 mm
Rainfall
3.8 m/s
Wind
Light Breeze

September

September is cool with highs of 16°C and lows of 7°C. Moderate rainfall (64 mm).

Comfort

12°
Feels Like Cool
12°C
Temperature
16°

Weather

64 mm
Rainfall
4.2 m/s
Wind
Light Breeze

October

October is cold with highs of 8°C and lows of 1°C. Moderate rainfall (50 mm).

Comfort

Feels Like Cold
C
Temperature

Weather

50 mm
Rainfall
4.5 m/s
Wind
Light Breeze

November

November is freezing with highs of -2°C and lows of -8°C. Moderate rainfall (33 mm).

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-9° -2°

Weather

33 mm
Rainfall
4.4 m/s
Wind
Light Breeze

December

December is freezing with highs of -11°C and lows of -20°C. Light rainfall.

Comfort

-15°
Feels Like Freezing
-15°C
Temperature
-20° -11°

Weather

23 mm
Rainfall
4.0 m/s
Wind
Light Breeze

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