Lake Keitele — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Keitele, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Keitele today is 17.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| AUG 24 | 17.9°C | 20.0°C | |
| AUG 25 | 17.9°C | 20.0°C | |
| AUG 26 | 17.4°C | 20.0°C | |
| AUG 27 | 17.2°C | 20.0°C | |
| AUG 28 | 17.3°C | 20.0°C | |
| AUG 29 | 17.4°C | 20.0°C | |
| AUG 30 | 17.5°C | 20.0°C | |
| AUG 31 | 17.5°C | 20.0°C | |
| SEP 1 | 15.0°C | 17.4°C | |
| SEP 2 | 15.0°C | 17.3°C | |
| SEP 3 | 15.0°C | 17.1°C | |
| SEP 4 | 15.0°C | 17.0°C | |
| SEP 5 | 15.0°C | 16.9°C | |
| SEP 6 | 15.0°C | 16.8°C | |
| SEP 7 | 15.0°C | 16.6°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 | 2°C | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 3°C | 6°C |
| May | 5°C | 12°C | 18°C |
| June | 11°C | 17°C | 22°C |
| July | 14°C | 20°C | 25°C |
| August | 14°C | 20°C | 25°C |
| September | 10°C | 15°C | 21°C |
| October | 4°C | 8°C | 11°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 3°C | 6°C |
Lake Keitele: Water Temperature by Location
Lake Keitele: Weather Forecast
September 1
September 2
September 3
September 4
Location & Local Information
Lake Keitele, one of the largest lakes in Central Finland, is renowned for its excellent water quality, which ranges from good to excellent, making it a highly desirable location for swimming. Swimming is generally permitted under Finland's Everyman’s Rights, allowing public access to its extensive shoreline for recreation. Several municipalities bordering the lake, such as Äänekoski and Viitasaari, maintain official beaches where visitors can swim safely, and the clean, clear water enhances the experience throughout the summer.
The seasonal water temperature in Keitele dictates the swimming opportunities. During the winter, the lake is frozen from December to April, with water temperatures near 0∘C to 4∘C. The main swimming season is mid-summer. In July and early August, the surface water typically warms to between 17∘C and 22∘C. Exceptionally warm summers can see surface temperatures temporarily exceed 25∘C, although the large size of Keitele can sometimes lead to localized upwelling of colder deep water.