Iso-Vietonen Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Iso-Vietonen Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Iso-Vietonen Lake today is 18.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| JUL 14 | 19.0°C | 20.0°C | |
| JUL 15 | 19.7°C | 20.0°C | |
| JUL 16 | 19.7°C | 20.0°C | |
| JUL 17 | 19.6°C | 20.0°C | |
| JUL 18 | 19.8°C | 20.0°C | |
| JUL 19 | 19.5°C | 20.0°C | |
| JUL 20 | 19.5°C | 20.0°C | |
| JUL 21 | 18.9°C | 20.0°C | |
| JUL 22 | 20.0°C | 19.0°C | |
| JUL 23 | 20.0°C | 19.0°C | |
| JUL 24 | 20.0°C | 19.1°C | |
| JUL 25 | 20.0°C | 19.1°C | |
| JUL 26 | 20.0°C | 19.2°C | |
| JUL 27 | 20.0°C | 19.2°C | |
| JUL 28 | 20.0°C | 19.3°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 | 0°C | 4°C |
| February | 0°C | 0°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 | 0°C | 4°C |
Iso-Vietonen Lake: Water Temperature by Location
Iso-Vietonen Lake: Weather Forecast
July 22
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Iso-Vietonen, situated in the Lapland region of Finland, is typical of the northern water bodies that provide ample opportunities for wilderness recreation. Swimming is permitted along all accessible non-private shoreline areas during the ice-free season, upheld by the national Everyman’s Rights. This traditional right allows public access to nature, including water bodies, for recreational use, provided the natural environment is respected and private residences are not disturbed. The lake’s waters are known for their high quality, offering a clean and safe, though predictably cold, swimming experience in the vast Lapland landscape.
The water temperature in Iso-Vietonen is defined by the Arctic climate, with a brief window of warmer water. The lake is generally ice-covered for much of the year, from around October to May, during which time the water beneath the thick ice mass maintains a frigid temperature between 0∘C and 4∘C. The short summer provides the only chance for casual swimming; in July, the surface temperature typically reaches a maximum range of 15∘C to 19∘C in shallower areas. Outside of this peak, the water remains too cool for comfortable recreational bathing, appealing mainly to dedicated ice or cold-water swimmers.