Joensuu — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Joensuu, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Joensuu today is 17.8°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 |
|---|---|---|---|
| AUG 24 | 18.1°C | 19.0°C | |
| AUG 25 | 18.1°C | 19.0°C | |
| AUG 26 | 17.8°C | 19.0°C | |
| AUG 27 | 17.6°C | 19.0°C | |
| AUG 28 | 17.7°C | 19.0°C | |
| AUG 29 | 17.7°C | 19.0°C | |
| AUG 30 | 17.8°C | 19.0°C | |
| AUG 31 | 17.9°C | 19.0°C | |
| SEP 1 | 15.0°C | 17.7°C | |
| SEP 2 | 15.0°C | 17.5°C | |
| SEP 3 | 15.0°C | 17.4°C | |
| SEP 4 | 15.0°C | 17.2°C | |
| SEP 5 | 15.0°C | 17.1°C | |
| SEP 6 | 15.0°C | 17.0°C | |
| SEP 7 | 15.0°C | 16.8°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 | 11°C | 17°C |
| June | 11°C | 16°C | 21°C |
| July | 14°C | 19°C | 24°C |
| August | 14°C | 19°C | 24°C |
| September | 10°C | 15°C | 20°C |
| October | 4°C | 8°C | 11°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 2°C | 5°C |
Joensuu: Weather Forecast
September 1
September 2
September 3
September 4
Location & Local Information
Joensuu, located in the heart of North Karelia, offers abundant swimming opportunities in its surrounding freshwater bodies, including the Pielisjoki River and nearby parts of Lake Pyhäselkä. Swimming is universally permitted at public beaches and accessible shores, thanks to Finland's Everyman’s Rights, which grants public access to natural waters for recreation. Designated public beaches along the river and lake ensure safe entry and monitored water quality, making the water bodies a key part of the city's summer leisure activities.
The water temperature in Joensuu's lakes and rivers is highly seasonal. During the extended winter period, typically from November to May, the water bodies are frozen, with the temperature beneath the ice remaining a very cold 0∘C to 4∘C. The optimal period for comfortable swimming is short, peaking in July. In mid-summer, the surface water in shallower areas can reach a maximum temperature range of 18∘C to 22∘C. Outside of this brief warm spell, the water remains cool, suitable only for the invigorating tradition of cold-water swimming or a very quick dip.