Lake Kemijärvi — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Kemijärvi, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Kemijärvi today is 1.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters. 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 |
|---|---|---|---|
| APR 11 | 0.8°C | 3.0°C | |
| APR 12 | 0.9°C | 3.0°C | |
| APR 13 | 0.9°C | 3.0°C | |
| APR 14 | 1.0°C | 3.0°C | |
| APR 15 | 1.1°C | 3.0°C | |
| APR 16 | 1.3°C | 3.0°C | |
| APR 17 | 1.6°C | 3.0°C | |
| APR 18 | 1.7°C | 3.0°C | |
| APR 19 | 3.0°C | 2.0°C | |
| APR 20 | 3.0°C | 2.0°C | |
| APR 21 | 3.0°C | 2.1°C | |
| APR 22 | 3.0°C | 2.1°C | |
| APR 23 | 3.0°C | 2.2°C | |
| APR 24 | 3.0°C | 2.2°C | |
| APR 25 | 3.0°C | 2.3°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 | 4°C |
| February | 0°C | 2°C | 4°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 3°C | 6°C |
| May | 2°C | 7°C | 12°C |
| June | 11°C | 17°C | 22°C |
| July | 14°C | 20°C | 25°C |
| August | 12°C | 18°C | 23°C |
| September | 8°C | 13°C | 19°C |
| October | 2°C | 6°C | 9°C |
| November | 0°C | 3°C | 6°C |
| December | 0°C | 2°C | 5°C |
Lake Kemijärvi: Water Temperature by Location
Lake Kemijärvi: Weather Forecast
April 19
April 20
April 21
April 22
April 23
April 24
Location & Local Information
Lake Kemijärvi, a large reservoir in Finnish Lapland, is a central hub for summer recreation, offering excellent swimming opportunities, particularly near the town of Kemijärvi. Swimming is widely permitted at designated public beaches and along accessible shores, secured by Finland's Everyman’s Rights. This legal right allows public access to water bodies for recreational use, provided the environment and private areas are respected. Local beaches, like the one at Hietaniemi, often boast water quality rated as excellent, providing a safe and enjoyable environment for bathers during the brief Arctic summer.
The water temperature in Kemijärvi is governed by the northern climate, resulting in cold conditions for most of the year. The lake is frozen for a long period, typically from October to May, with the water under the ice remaining between a chilly 0∘C and 4∘C. The optimal period for comfortable swimming is short, primarily in July. During this peak, the surface temperature in the sheltered, shallow areas of the lake can warm up to a maximum range of 17∘C to 22∘C. Outside of this brief window, the water is cool, mainly suitable for a quick, invigorating dip or for the established Finnish tradition of cold-water swimming.