Lake Superior Climate and Average Weather
Climate of Lake Superior: average temperatures, rainfall and seasons month by month.
Climate in Lake Superior month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 24° | 16° | 3,1 in | ★★☆☆☆ |
| February | 28° | 20° | 2,4 in | ★★☆☆☆ |
| March | 31° | 24° | 3,0 in | ★★☆☆☆ |
| April | 36° | 31° | 3,0 in | ★★☆☆☆ |
| May | 41° | 36° | 2,1 in | ★★★☆☆ |
| June | 45° | 39° | 2,6 in | ★★★☆☆ |
| July | 53° | 47° | 1,7 in | ★★★★☆ |
| August | 60° | 56° | 1,6 in | ★★★★☆ |
| September | 58° | 54° | 2,6 in | ★★★★☆ |
| October | 51° | 46° | 3,0 in | ★★★☆☆ |
| November | 39° | 34° | 3,1 in | ★★☆☆☆ |
| December | 31° | 24° | 3,3 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Lake Superior
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Lake Superior compares with nearby places
Annual averages, and the difference against Lake Superior.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Isle Royale National Park | 53 mi | 42°F | +36°F warmer | 30 in |
| Porcupine Mountains Wilderness State Park | 121 mi | 44°F | +38°F warmer | 35 in |
| Tettegouche State Park | 174 mi | 43°F | +37°F warmer | 32 in |
| Voyageurs National Park | 252 mi | 42°F | +36°F warmer | 27 in |
| Lake Michigan | 257 mi | 45°F | +39°F warmer | 33 in |
Best time to visit Lake Superior
Go in August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Lake Superior
Today is about average for August. The forecast high of 59°F is in line with the 60°F typical for this month.
A 36% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 70°F.
What to pack, what to skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Lake Superior is a lake in Minnesota. Lake Superior is a lake known as the largest freshwater lake by area.
Right now it is 58°F (14°C) in Lake Superior with clear. It feels like 57°F. Today runs from 57°F to 59°F. Chance of precipitation is 36%. Sightseeing conditions score 8.8/10 - excellent - go now.
The best time to visit Lake Superior is August and September. The climate is subarctic. January, February and December tend to be the least comfortable months. August is the warmest month with average highs near 60°F, while January is the coldest with lows near 16°F.
Nearby highlights include Isle Royale National Park, Porcupine Mountains Wilderness State Park and Tettegouche State Park.
In plain terms. Today is about average for August. The forecast high of 59°F is in line with the 60°F typical for this month. The best window to be outside is roughly 9 AM to 12 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Lake Superior today at 8.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Lake Superior
| Type | Lake |
|---|---|
| State | Minnesota |
| Country | United States |
| Continent | North America |
| Coordinates | 47°42′0″N 87°30′0″W (47.7, -87.5) |
| Maximum depth | 1.332 ft |
| Known for | the largest freshwater lake by area |
| Local time | 12:44 PM (UTC-04:00) |
| Best months | August and September |
| Climate | Subarctic |
Weather map for Lake Superior
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Lake Superior
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Lake Superior?
Lake Superior is a lake in Minnesota. Its coordinates are 47.7, -87.5. It lies in North America.
What is the weather like in Lake Superior right now?
It is currently 58°F (14°C) with clear. Humidity is 81% and wind is 3 mph.
When is the best time to visit Lake Superior?
August and September offer the most comfortable conditions in Lake Superior, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Lake Superior in?
Lake Superior observes America/Detroit (UTC-04:00). The local time is 12:44 PM.
What are the top things to do in Lake Superior?
Popular options include Isle Royale National Park, Porcupine Mountains Wilderness State Park and Tettegouche State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (lakes) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 12:44 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
