Kouvola — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Kouvola, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Kouvola today is 18.5°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 21 | 20.2°C | 16.1°C | |
| JUL 22 | 19.7°C | 16.1°C | |
| JUL 23 | 18.4°C | 16.1°C | |
| JUL 24 | 18.1°C | 16.1°C | |
| JUL 25 | 18.4°C | 16.1°C | |
| JUL 26 | 18.4°C | 16.1°C | |
| JUL 27 | 18.5°C | 16.1°C | |
| JUL 28 | 18.4°C | 16.1°C | |
| JUL 29 | 16.1°C | 18.4°C | |
| JUL 30 | 16.1°C | 18.4°C | |
| JUL 31 | 16.1°C | 18.3°C | |
| AUG 1 | 17.0°C | 18.2°C | |
| AUG 2 | 17.0°C | 18.1°C | |
| AUG 3 | 17.0°C | 18.1°C | |
| AUG 4 | 17.0°C | 18.0°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 | 1°C | 4°C |
| February | 0°C | 1°C | 4°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 4°C | 7°C |
| May | 4°C | 9°C | 14°C |
| June | 10°C | 15°C | 19°C |
| July | 11°C | 16°C | 22°C |
| August | 12°C | 17°C | 21°C |
| September | 9°C | 14°C | 18°C |
| October | 4°C | 8°C | 10°C |
| November | 0°C | 4°C | 7°C |
| December | 0°C | 2°C | 5°C |
Kouvola: Weather Forecast
July 29
July 30
July 31
August 1
August 2
August 3
Location & Local Information
The Kymijoki River flows through the city of Kouvola in the Kymenlaakso region and is a major recreational waterbody. Swimming is generally allowed in accessible sections of the river, especially at designated public beaches, due to the Finnish Everyman’s Rights. Swimmers are advised to be cautious of the river’s currents, especially near power stations and rapids, but calmer areas are frequently used for bathing. Local authorities monitor the water quality, which is typically good, ensuring a safe experience during the warm season.
As a large river in Southern Finland, the Kymijoki’s water temperature fluctuates seasonally. During the winter, from approximately December to April, the river is either ice-covered or maintains a frigid temperature between 0∘C and 4∘C. The best period for comfortable swimming is during the peak summer months. In July and early August, the surface water in the slower sections generally warms up to a pleasant range of 18∘C to 22∘C, sometimes reaching higher. Outside of this warm window, the water is cool, mainly suitable for a quick, refreshing dip or for dedicated cold-water swimming.