Lake St. Joseph (Ontario)

Lake Large Ontario lake, part of Hudson Bay drainage basin

Remote in northern Ontario, Lake St. Joseph serves fly‑in lodges, canoe routes and wilderness fishing; visitors arrive for extended lake camping and backcountry angling.

Lake St. Joseph is a large lake in northwestern Ontario, Canada, located in a remote forested region of the province. It is a significant freshwater body within the Albany River watershed and has been important in regional travel and resource use.

The lake is used for fishing, remote paddling and as part of canoe routes into the Albany River drainage; shoreline development is limited and much of the area is wilderness. Access is principally by logging roads, floatplane or long paddles from established entry points.

Historically the lake lay on routes used by Indigenous peoples and later by fur-trade voyageurs as part of inland transport toward James Bay. The lake’s role in navigation and resource use continues in contemporary recreational and local contexts.

Geographically it sits in northwestern Ontario, at the headwaters feeding the Albany River system, surrounded by boreal forest and remote, sparsely populated country.

  • Historic routes: Historically part of Indigenous and fur-trade canoe routes connecting interior Ontario to James Bay.
  • Access & use: Remote location with mainly wilderness access; used by paddlers and anglers visiting the Albany River watershed.
Lake St. Joseph (Ontario)
Lake St. Joseph, Northwestern Ontario, Canada
51.0537, -90.8271
Free (private lodges and some boat services charge)

How to Get to Lake St. Joseph (Ontario) #

Access is usually by car from Highway 17 and then along secondary logging roads toward lodges; some properties are serviced by floatplane from larger regional centres. Distances and conditions vary - confirm with individual lodges before travel.

Tips for Visiting Lake St. Joseph (Ontario) #

  • Plot a route that includes access from the lake's western arm - the bays there are often the calmest and least developed.
  • If fishing, obtain local regulations: parts of the lake are managed by outfitters and loyalties to local fishing seasons are real.
  • Combine a visit with a trip to nearby woodland trails; the region's long summer evenings are ideal for canoeing.

Best Time to Visit Lake St. Joseph (Ontario) #

Summer is the practical season for boating and lodge access; the lake is remote and conditions can be harsh outside June-September.

Summer
June-August · 10-25°C (50-77°F)
Warmest and best for boating and fishing.
Spring/Autumn
April-May, September-October · 0-12°C (32-54°F)
Fewer crowds; migrating waterfowl and dramatic light.
Winter
November-March · -25--5°C (-13-23°F)
Frozen lake and remote winter travel; for experienced winter outdoorspeople only.

Weather & Climate near Lake St. Joseph (Ontario) #

Climate

Lake St. Joseph (Ontario)'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 -26°C to 23°C. Moderate rainfall (726 mm/year).

Temperature & Rainfall
Temperature Range
23°
Warmest Month
-26°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -15°C and lows of -26°C. Moderate rainfall (34 mm).

Comfort

-20°
Feels Like Freezing
-20°C
Temperature
-26° -15°

Weather

34 mm
Rainfall
2.8 m/s
Wind
Calm

February

February is freezing with highs of -10°C and lows of -23°C. The driest month with just 26 mm.

Comfort

-17°
Feels Like Freezing
-17°C
Temperature
-23° -11°

Weather

26 mm
Rainfall
2.8 m/s
Wind
Calm

March

March is freezing with highs of -3°C and lows of -16°C. Moderate rainfall (37 mm).

Comfort

-9°
Feels Like Freezing
-9°C
Temperature
-16° -3°

Weather

37 mm
Rainfall
3.0 m/s
Wind
Light Breeze

April

April is freezing with highs of 6°C and lows of -7°C. Moderate rainfall (42 mm).

Comfort

Feels Like Freezing
C
Temperature
-7°

Weather

42 mm
Rainfall
3.1 m/s
Wind
Light Breeze

May

May is cold with highs of 14°C and lows of 1°C. Moderate rainfall (67 mm).

Comfort

Feels Like Cold
C
Temperature
14°

Weather

67 mm
Rainfall
3.1 m/s
Wind
Light Breeze

June

June is cool with highs of 19°C and lows of 8°C. Regular rainfall (92 mm).

Comfort

14°
Feels Like Cool
14°C
Temperature
19°

Weather

92 mm
Rainfall
3.0 m/s
Wind
Light Breeze

July

July is cool with highs of 23°C and lows of 12°C. The wettest month with 99 mm of rain.

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 23°

Weather

99 mm
Rainfall
2.8 m/s
Wind
Calm

August

August is cool with highs of 21°C and lows of 11°C. Regular rainfall (91 mm).

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 21°

Weather

91 mm
Rainfall
2.9 m/s
Wind
Calm

September

September is cool with highs of 14°C and lows of 6°C. Regular rainfall (89 mm).

Comfort

10°
Feels Like Cool
10°C
Temperature
15°

Weather

89 mm
Rainfall
3.1 m/s
Wind
Light Breeze

October

October is cold with highs of 7°C and lows of 0°C. Moderate rainfall (67 mm).

Comfort

Feels Like Cold
C
Temperature

Weather

67 mm
Rainfall
3.3 m/s
Wind
Light Breeze

November

November is freezing with highs of -3°C and lows of -9°C. Moderate rainfall (49 mm).

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-9° -3°

Weather

49 mm
Rainfall
3.2 m/s
Wind
Light Breeze

December

December is freezing with highs of -12°C and lows of -21°C. Moderate rainfall (33 mm).

Comfort

-16°
Feels Like Freezing
-16°C
Temperature
-21° -12°

Weather

33 mm
Rainfall
2.8 m/s
Wind
Calm

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