Ilmoilanselkä Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Ilmoilanselkä Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Ilmoilanselkä Lake today is 21°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 |
|---|---|---|---|
| JUL 14 | 20.5°C | 20.0°C | |
| JUL 15 | 22.1°C | 20.0°C | |
| JUL 16 | 22.1°C | 20.0°C | |
| JUL 17 | 22.4°C | 20.0°C | |
| JUL 18 | 22.8°C | 20.0°C | |
| JUL 19 | 22.2°C | 20.0°C | |
| JUL 20 | 22.1°C | 20.0°C | |
| JUL 21 | 21.4°C | 20.0°C | |
| JUL 22 | 20.0°C | 21.0°C | |
| JUL 23 | 20.0°C | 20.9°C | |
| JUL 24 | 20.0°C | 20.9°C | |
| JUL 25 | 20.0°C | 20.8°C | |
| JUL 26 | 20.0°C | 20.8°C | |
| JUL 27 | 20.0°C | 20.7°C | |
| JUL 28 | 20.0°C | 20.7°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 | 3°C | 6°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 4°C | 7°C |
| May | 5°C | 10°C | 15°C |
| June | 10°C | 15°C | 21°C |
| July | 14°C | 20°C | 25°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 5°C | 9°C | 12°C |
| November | 1°C | 5°C | 8°C |
| December | 0°C | 3°C | 6°C |
Ilmoilanselkä Lake: Water Temperature by Location
Ilmoilanselkä Lake: Weather Forecast
July 22
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Ilmoilanselkä, a distinct open water area within the Vanajavesi lake system in Kanta-Häme, is a regionally significant site for water activities. Swimming is widely permitted along the non-private shores throughout the open-water season, secured by the Finnish legal tradition of Everyman’s Rights. This grants the public the right to access and use waterways for recreation, provided the beautiful natural environment is preserved and a respectful distance from private dwellings is maintained. The lake offers safe and enjoyable swimming, supported by the generally good water quality found in this region.
The water temperature of Ilmoilanselkä is typical for lakes in Southern Finland, characterized by distinct seasonal variations. The lake generally freezes over from December to April, during which time the water temperature beneath the ice mass stabilizes between a cold 0∘C and 4∘C. The most comfortable swimming period is brief, occurring in July and early August. During this summer peak, the surface layer typically warms to a pleasant range of 18∘C to 22∘C. Outside of this narrow summer window, the water is cool, mainly suitable for those dedicated to cold-water dipping or quick, refreshing plunges.