Niinivesi — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Niinivesi, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Niinivesi today is 13°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 | 14.0°C | 15.0°C | |
| SEP 15 | 13.7°C | 15.0°C | |
| SEP 16 | 14.0°C | 15.0°C | |
| SEP 17 | 13.6°C | 15.0°C | |
| SEP 18 | 13.6°C | 15.0°C | |
| SEP 19 | 13.3°C | 15.0°C | |
| SEP 20 | 13.1°C | 15.0°C | |
| SEP 21 | 13.0°C | 15.0°C | |
| SEP 22 | 15.0°C | 13.1°C | |
| SEP 23 | 15.0°C | 13.2°C | |
| SEP 24 | 15.0°C | 13.3°C | |
| SEP 25 | 15.0°C | 13.4°C | |
| SEP 26 | 15.0°C | 13.5°C | |
| SEP 27 | 15.0°C | 13.6°C | |
| SEP 28 | 15.0°C | 13.7°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 | 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 | 2°C | 5°C |
Niinivesi: Water Temperature by Location
Niinivesi: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Lake Niinivesi, located in North Savo, Finland, between the municipalities of Rautalampi and Suonenjoki, is a long, narrow freshwater lake that forms part of the Kymijoki river basin. Surrounded by forests and rocky shores, it is known for its clear and clean water. Because of its moderate depth and connection to other lakes, the water temperature changes steadily through the seasons. After the ice melts in late April or early May, the surface temperature is around 4–7 °C (39–45 °F). During early summer, it rises to 13–16 °C (55–61 °F), and in July, the warmest month, Niinivesi typically reaches 18–21 °C (64–70 °F). On particularly hot days, shallow areas can briefly warm to 22–23 °C (72–73 °F). By September, the water cools below 10 °C (50 °F), and the lake usually freezes again in November.
Swimming in Lake Niinivesi is allowed and popular during the summer months. The water is of good quality and suitable for bathing, with several beaches and piers around Rautalampi offering easy access. The lake’s clean and calm waters provide a refreshing swimming experience, especially during warm weather. Even though the water remains relatively cool, its clarity and peaceful surroundings make swimming both relaxing and invigorating.