Lake Lasva — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Lasva, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Lasva today is 15.6°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 |
|---|---|---|---|
| SEP 14 | 16.4°C | 15.0°C | |
| SEP 15 | 16.1°C | 15.0°C | |
| SEP 16 | 16.0°C | 15.0°C | |
| SEP 17 | 15.4°C | 15.0°C | |
| SEP 18 | 16.0°C | 15.0°C | |
| SEP 19 | 15.8°C | 15.0°C | |
| SEP 20 | 15.8°C | 15.0°C | |
| SEP 21 | 15.6°C | 15.0°C | |
| SEP 22 | 15.0°C | 15.6°C | |
| SEP 23 | 15.0°C | 15.5°C | |
| SEP 24 | 15.0°C | 15.5°C | |
| SEP 25 | 15.0°C | 15.5°C | |
| SEP 26 | 15.0°C | 15.5°C | |
| SEP 27 | 15.0°C | 15.4°C | |
| SEP 28 | 15.0°C | 15.4°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 | 4°C | 7°C |
| April | 4°C | 8°C | 11°C |
| May | 6°C | 13°C | 20°C |
| June | 13°C | 19°C | 24°C |
| July | 16°C | 21°C | 26°C |
| August | 14°C | 20°C | 25°C |
| September | 10°C | 15°C | 21°C |
| October | 6°C | 10°C | 13°C |
| November | 2°C | 6°C | 10°C |
| December | 1°C | 5°C | 8°C |
Lake Lasva: Water Temperature by Location
Lake Lasva: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Lasva järv (Lake Lasva) in southeastern Estonia follows the typical thermal pattern of small, shallow lakes in the region. In spring, as ice melts and air warms, surface temperatures commonly rise from around 2–10 °C (36–50 °F). Summer brings the warmest conditions, with surface water often between 15–24 °C (59–75 °F) during average years and occasionally reaching the mid‑20s °C (mid‑70s °F) in heatwaves. Autumn sees a steady cooling to roughly 5–15 °C (41–59 °F) before freeze‑up. In winter the lake usually approaches 0 °C (32 °F) under ice; open‑water temperatures near freezing occur until thaw.
Swimming in Lake Lasva is generally possible and commonly practiced during the warmer months because there are no universal legal bans on bathing in natural lakes in Estonia. Local access, shoreline ownership, water quality and safety conditions determine whether particular spots are suitable; cyanobacterial blooms or poor bacterial counts can lead to temporary advisories, and private docks may not permit public entry. Ice swimming is a cultural activity in Estonia but requires experienced supervision and safe ice thickness. Visitors should check local signage, recent water quality reports and weather conditions before swimming to ensure safety.