Lake Superior Water Temperature
Lake superior is a large freshwater lake situated in North America. Over two hundred rivers run into this lake, making it a meeting point of fresh waters from all across North America!
The lake superior area is warmest in summer. International visitors can reach the nearby Canadian regions such as Ontario by airport. Lake superior can then best be reached by car and subsequently explored on foot. Tourists can also use one of the many special guided tours operating in the area.
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The coldest month is March with an average water temperature of 32.4°F / 0.2°C.
May is the driest at 0.2in / 4.1mm and December the wettest month with 3.4in / 87mm.
With an average air temperature of 66.9°F / 19.4°C, August is the warmest month in a year. February is the coldest with 16.3°F / -8.7°C average air temperature.
The Climate is described as Warm-summer humid continental climate. Best time to Visit would be in June, July, August, September.
Lake Superior Summary
| Description | Value |
|---|---|
| Warmest Month Water Temperature: | August with 65.1°F / 18.4°C |
| Coldest Month Water Temperature: | March with 32.4°F / 0.2°C |
| Warmest Month Air Temperature: | August with 66.9°F / 19.4°C |
| Coldest Month Air Temperature: | February with 16.3°F / -8.7°C |
| Wettest Month: | December with 3.4in / 87mm |
| Driest Month: | May with 0.2in / 4.1mm |
| Highest Humidity | June with 85.5% |
| Lowest Humidity | October with 73.7% |
| Best Time to Visit: | June, July, August, September |
| Climate Classification | Warm-summer humid continental climate |
To get the warmest weather, the hottest month of July and the adjacent months of August and June are the best time to visit lake superior, but winter will provide you with spectacular snowy landscapes.
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Lake Superior water temperature by month
Great Lakes water temperature by month
| Max. Water
Temperature (°F) |
ø. Water
Temperature (°F) |
Min. Water
Temperature (°F) |
|
|---|---|---|---|
|
January |
36.1 | 34.5 | 33.4 |
|
February |
33.4 | 32.7 | 32.4 |
|
March |
32.9 | 32.4 | 32.2 |
|
April |
34.9 | 33.8 | 33.1 |
|
May |
40.5 | 37 | 34.7 |
|
June |
49.1 | 43.9 | 39.9 |
|
July |
62.8 | 55.2 | 47.7 |
|
August |
66.2 | 64.2 | 61.7 |
|
September |
66 | 62.1 | 57.6 |
|
October |
58.1 | 52.9 | 48.2 |
|
November |
47.8 | 44.6 | 42.1 |
|
December |
42.1 | 39.9 | 38.1 |
Great Lakes water temperature by month
| Max. Water
Temperature (°C) |
ø. Water
Temperature (°C) |
Min. Water
Temperature (°C) |
|
|---|---|---|---|
|
January |
2.3 | 1.4 | 0.8 |
|
February |
0.8 | 0.4 | 0.2 |
|
March |
0.5 | 0.2 | 0.1 |
|
April |
1.6 | 1 | 0.6 |
|
May |
4.7 | 2.8 | 1.5 |
|
June |
9.5 | 6.6 | 4.4 |
|
July |
17.1 | 12.9 | 8.7 |
|
August |
19 | 17.9 | 16.5 |
|
September |
18.9 | 16.7 | 14.2 |
|
October |
14.5 | 11.6 | 9 |
|
November |
8.8 | 7 | 5.6 |
|
December |
5.6 | 4.4 | 3.4 |
Throughout the year, the water temperature of lake superior averages at 40 degrees Farenheit. In winter it can dip below minus thirty degrees, making it too cold to swim in but beautiful to observe. In the summer, however, the temperature can reach eighty degrees, making it possible to swim in the lake for those who like a rather bracing swim in fresh water!
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Lake Superior weather today & 14-day weather forecast
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Mix snow/rain
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Snow
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Snow
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Broken clouds
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Lake Superior weather by month / climate table
Max. Temperature °F | ø. Temperature °F | Min. Temperature (°F) |
Precip. (in) |
Rainy Days (d) |
Rel. Humidity (%) |
|
|---|---|---|---|---|---|---|
|
January |
28.8 | 19.9 | 10.6 | 2.4 | 10 | 75.3% |
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February |
24.4 | 16.3 | 9 | 1.6 | 0 | 77.1% |
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March |
34.7 | 23.7 | 11.5 | 0.2 | 0 | 79.9% |
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April |
40.5 | 32.9 | 24.4 | 0.2 | 1 | 81.3% |
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May |
52.3 | 42.3 | 36.1 | 0.2 | 0 | 82.6% |
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June |
62.8 | 52.3 | 43.9 | 0.2 | 0 | 85.5% |
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July |
70.9 | 63.5 | 55.6 | 0.2 | 0 | 81.5% |
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August |
72 | 66.9 | 63 | 0.5 | 0 | 76.3% |
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September |
72.3 | 62.2 | 52.2 | 1.2 | 5 | 74.4% |
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October |
59.7 | 50 | 42.1 | 2.1 | 0 | 73.7% |
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November |
47.3 | 39.4 | 31.6 | 1.7 | 10 | 74.2% |
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December |
35.4 | 29.3 | 24.4 | 3.4 | 20 | 75.7% |
Max. Temperature °C | ø. Temperature °C | Min. Temperature (°C) |
Precip. (mm) |
Rainy Days (d) |
Rel. Humidity (%) |
|
|---|---|---|---|---|---|---|
|
January |
-1.8 | -6.7 | -11.9 | 60.6 | 10 | 75.3% |
|
February |
-4.2 | -8.7 | -12.8 | 39.4 | 0 | 77.1% |
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March |
1.5 | -4.6 | -11.4 | 5.8 | 0 | 79.9% |
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April |
4.7 | 0.5 | -4.2 | 6.1 | 1 | 81.3% |
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May |
11.3 | 5.7 | 2.3 | 4.1 | 0 | 82.6% |
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June |
17.1 | 11.3 | 6.6 | 4.9 | 0 | 85.5% |
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July |
21.6 | 17.5 | 13.1 | 6.2 | 0 | 81.5% |
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August |
22.2 | 19.4 | 17.2 | 11.6 | 0 | 76.3% |
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September |
22.4 | 16.8 | 11.2 | 31.6 | 5 | 74.4% |
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October |
15.4 | 10 | 5.6 | 53.6 | 0 | 73.7% |
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November |
8.5 | 4.1 | -0.2 | 44.1 | 10 | 74.2% |
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December |
1.9 | -1.5 | -4.2 | 87 | 20 | 75.7% |
If you would like to swim in the lake during the summer months but do not like the idea of getting overly cold, one great tip is to hire or purchase a dry suit. This will keep you warm and dry whilst allowing you to enjoy the water of this stunning lake.
Activities & POI in Lake Superior
| Type of Activity | List |
|---|---|
| Attraction | Half Built Bridge, Archery Course, SS Meteor |
Picture Copyright: Flickr CC 2.0 Lordcolus