Rainbow Lake Wilderness
- Annual mean
- 5 °C
- Warmest month
- July
- Wettest month
- June
Atmospheric metrics for a representative coordinate from 1991 to 2020
Detailed monthly climate profiles for Lake Superior National Estuarine Research Reserve provide long term averages for temperature, precipitation, relative humidity, wind speed, and daylight hours. These data points reflect atmospheric normals at a single representative coordinate within the reserve, spanning the period from 1991 to 2020. Understanding these seasonal rhythms supports precise comparative analysis of local meteorological patterns across the calendar year.
Monthly temperature ranges and average daily precipitation derived from long term records
Comparative monthly climatology across temperature bounds, precipitation, wind, and daylight
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | -12 °C-27.7° to 1° | 0.8 mm/day | 94.6% | 4.7 m/s | 8.8 hours |
| February | -9.6 °C-25.8° to 3° | 0.9 mm/day | 91.7% | 4.9 m/s | 10.1 hours |
| March | -2.6 °C-19.3° to 12.9° | 1.3 mm/day | 83.1% | 4.5 m/s | 11.7 hours |
| April | 4.4 °C-7.4° to 21° | 2.4 mm/day | 74.9% | 4.5 m/s | 13.4 hours |
| May | 11.2 °C-1.3° to 25.4° | 3 mm/day | 75% | 4 m/s | 14.8 hours |
| June | 16.5 °C4.3° to 28.3° | 3.6 mm/day | 77.5% | 3.6 m/s | 15.6 hours |
| July | 19.8 °C9.2° to 29.9° | 3.4 mm/day | 75% | 3.4 m/s | 15.2 hours |
| August | 19.3 °C8.9° to 30.1° | 3.1 mm/day | 73% | 3.5 m/s | 13.9 hours |
| September | 14.7 °C2° to 28.1° | 2.9 mm/day | 73.7% | 4 m/s | 12.3 hours |
| October | 6.8 °C-3.9° to 22.3° | 2.5 mm/day | 77.8% | 4.3 m/s | 10.6 hours |
| November | -1.1 °C-13.3° to 11.6° | 1.5 mm/day | 83.8% | 4.4 m/s | 9.1 hours |
| December | -8.1 °C-23.3° to 3.3° | 1.2 mm/day | 91.8% | 4.4 m/s | 8.4 hours |
Calculated monthly averages for temperature, precipitation, wind, humidity, and daylight duration
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Explore monthly temperature, precipitation, and atmospheric patterns across diverse protected landscapes.


Continue exploring the protected freshwater landscapes and diverse ecological zones of this Wisconsin reserve. Analyze how the river, lake, and shoreline interact to create one of the most significant estuarine complexes in the Lake Superior Basin. Access regional map data and terrain details on MoriAtlas.