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Kokemäenjoki River — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in the Kokemäenjoki River, trends, monthly ranges and the forecast for the coming days.

Kokemäenjoki River, Finland
Kokemäenjoki River, Finland © By kallerna, CC BY-SA 4.0

Current Water Temperature

12.6°C
Today
12.7°C
Yesterday
13.8°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in the Kokemäenjoki River today is 12.6°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

From August 21 to September 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1313.8°C14.0°C
SEP 1413.7°C14.0°C
SEP 1513.5°C14.0°C
SEP 1613.5°C14.0°C
SEP 1712.6°C14.0°C
SEP 1812.8°C14.0°C
SEP 1912.7°C14.0°C
SEP 2012.1°C14.0°C
SEP 2114.0°C12.7°C
SEP 2214.0°C12.7°C
SEP 2314.0°C12.8°C
SEP 2414.0°C12.9°C
SEP 2514.0°C13.0°C
SEP 2614.0°C13.0°C
SEP 2714.0°C13.1°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
January0°C2°C5°C
February0°C1°C4°C
March0°C1°C4°C
April0°C3°C6°C
May4°C9°C13°C
June9°C13°C18°C
July12°C17°C21°C
August12°C17°C21°C
September9°C14°C18°C
October4°C8°C10°C
November0°C4°C7°C
December0°C2°C5°C

Kokemäenjoki River: Water Temperature by Location

Kokemäenjoki River: Weather Forecast

September 21

° / °
moderate drizzle
rain: 47% | wind:

September 22

° / °
fog
rain: 2% | wind:

September 23

° / °
fog
rain: 4% | wind:

September 24

° / °
light drizzle
rain: 18% | wind:

September 25

° / °
light drizzle
rain: 16% | wind:

September 26

° / °
light drizzle
rain: 16% | wind:

Location & Local Information

The Kokemäenjoki River, one of Finland’s major waterways, flows through the Pirkanmaa region from Lake Pyhäjärvi in Tampere toward the Gulf of Bothnia. It passes through several towns and lakes, providing both natural beauty and practical importance for the region. The river’s water temperature varies depending on depth, flow, and proximity to lakes. In spring, after the ice melts in April, the surface temperature is around 4–7 °C (39–45 °F). During early summer, it warms to about 13–16 °C (55–61 °F), and in July, the warmest month, Kokemäenjoki typically reaches 18–21 °C (64–70 °F). Shallow and sheltered sections may briefly exceed 22 °C (72 °F). By late September, the water cools again below 10 °C (50 °F), and in winter, some slower parts may freeze.

Swimming in the Kokemäenjoki River is allowed and quite common during the summer months. The water quality is generally good and suitable for bathing, though it varies slightly between urban and rural sections. Many locals enjoy swimming near Tampere, Nokia, and other towns where the current is gentle. While the river remains cooler than nearby lakes, its clean water, scenic banks, and accessibility make it a popular choice for swimming, rowing, and relaxing outdoors.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Kokemäenjoki River?
Water Temperature in the Kokemäenjoki River today is 12.6°C.
What is the water temperature in the Kokemäenjoki River during the summer months?
The water temperature in the Kokemäenjoki River in summer fluctuates in the range of 9°C - 21°C.
Is it possible to swim in Kokemäenjoki (Finland) and what are the possibilities for this?
Yes — you can swim in stretches of the Kokemäenjoki, particularly at municipal or designated bathing spots and calmer bends near towns, but conditions vary with currents, boat traffic, water quality and seasonal algae so it’s wise to use official swimming areas and follow local advisories.