German Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in German Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in German Lake today is 21.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 3 | 16.8°C | 21.9°C | |
| JUN 4 | 16.7°C | 21.9°C | |
| JUN 5 | 16.7°C | 21.9°C | |
| JUN 6 | 17.3°C | 21.9°C | |
| JUN 7 | 21.0°C | 21.9°C | |
| JUN 8 | 21.4°C | 21.9°C | |
| JUN 10 | 21.8°C | 21.9°C | |
| JUN 11 | 21.9°C | 21.8°C | |
| JUN 12 | 21.9°C | 21.8°C | |
| JUN 13 | 21.9°C | 21.8°C | |
| JUN 14 | 21.9°C | 21.8°C | |
| JUN 15 | 21.9°C | 21.8°C | |
| JUN 16 | 21.9°C | 21.8°C | |
| JUN 17 | 21.9°C | 21.8°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 0°C | 4°C | 7°C |
| February | 0°C | 3°C | 7°C |
| March | 0°C | 4°C | 9°C |
| April | 3°C | 9°C | 16°C |
| May | 10°C | 16°C | 22°C |
| June | 16°C | 22°C | 27°C |
| July | 21°C | 24°C | 27°C |
| August | 21°C | 25°C | 28°C |
| September | 18°C | 21°C | 23°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 8°C | 13°C |
| December | 2°C | 6°C | 9°C |
German Lake: Water Temperature by Location
German Lake: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
German Lake in Minnesota follows the typical seasonal pattern for small inland lakes in the region. Surface temperatures in winter are at or just below freezing (32°F / 0°C) under ice cover. In spring the lake usually warms from roughly 35–55°F (2–13°C) as ice retreats and air temperatures rise. By early to mid-summer surface readings commonly reach about 65–75°F (18–24°C), with warmer, shallow areas occasionally warming into the high 70s or low 80s °F (25–28°C) during hot, calm spells. As autumn arrives the surface cools back through the 50s °F (10–15°C) range toward freezing. Actual readings at any time depend on depth, recent weather, wind and sunlight, so different parts of the lake can be noticeably warmer or cooler.
Swimming is generally possible and commonly done during the warmer months when surface temperatures are comfortable, but whether swimming is allowed depends on local access and posted advisories. If German Lake has public access, recreational swimming is typically permitted unless health or safety notices (such as harmful algal blooms, elevated bacteria, or ice conditions) are posted. There may be no lifeguards or facilities, so swimmers should watch for cold-water shock in shoulder seasons, avoid areas with dense vegetation or poor clarity, and respect private property or specific local regulations that could restrict swimming.