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Iso-Pyhäntä Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Iso-Pyhäntä Lake, trends, monthly ranges and the forecast for the coming days.

Nuasjärvi, Finland
Nuasjärvi, Finland © By Antti Leppänen, CC BY-SA 3.0

Current Water Temperature

2.1°C
Today
1.9°C
Yesterday
3.0°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 Iso-Pyhäntä Lake today is 2.1°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters. 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 September 30 to October 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 243.0°C8.0°C
OCT 252.9°C8.0°C
OCT 262.3°C8.0°C
OCT 272.2°C8.0°C
OCT 282.6°C8.0°C
OCT 292.7°C8.0°C
OCT 301.9°C8.0°C
OCT 312.1°C8.0°C
NOV 15.0°C2.2°C
NOV 25.0°C2.4°C
NOV 35.0°C2.5°C
NOV 45.0°C2.7°C
NOV 55.0°C2.8°C
NOV 65.0°C3.0°C
NOV 75.0°C3.1°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°C4°C
February0°C2°C4°C
March0°C3°C6°C
April0°C2°C5°C
May2°C7°C13°C
June9°C14°C20°C
July13°C19°C24°C
August12°C18°C23°C
September8°C13°C19°C
October4°C8°C11°C
November1°C5°C8°C
December0°C2°C5°C

Iso-Pyhäntä Lake: Water Temperature by Location

Iso-Pyhäntä Lake: Weather Forecast

November 1

° / °
dense intensity drizzle
rain: 99% | wind:

November 2

° / °
light drizzle
rain: 63% | wind:

November 3

° / °
slight snow shower
snow: 35% | wind:

November 4

° / °
slight snow fall
snow: 16% | wind:

November 5

° / °
mainly clear
snow: 2% | wind:

November 6

° / °
light drizzle
snow: 19% | wind:

Location & Local Information

Iso-Pyhäntä, a substantial lake in the Kainuu region, offers typical Finnish lake swimming in a pristine northern environment. Swimming is freely permitted along its shores throughout the open-water season, a right established by the Finnish Everyman’s Rights. This principle ensures public access to the water for recreation, provided private property is respected and the environment is protected. With a notable average depth of over 7 meters, the lake is known for having clean, refreshing water, making it a safe and invigorating spot for summer bathing.

The lake’s water temperature is strongly influenced by the long, cold winters in the north. Iso-Pyhäntä is typically frozen from around December to April, with the water under the ice remaining at a consistent, cold 0∘C to 4∘C. The season for comfortably warm swimming is very brief, concentrated in July and early August. During this summer peak, the surface temperature generally warms up to range between 16∘C and 21∘C. Outside of this narrow window, the water is cool, mainly appealing to dedicated cold-water enthusiasts or those who enjoy a quick, bracing dip after a sauna.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Iso-Pyhäntä Lake?
Water Temperature in Iso-Pyhäntä Lake today is 2.1°C.
What is the water temperature in Iso-Pyhäntä Lake during the summer months?
The water temperature in Iso-Pyhäntä Lake in summer fluctuates in the range of 9°C - 24°C.
Is it possible to swim in Iso-Pyhäntä (Finland) and what are the possibilities for this?
Yes — Iso‑Pyhäntä is suitable for swimming, with natural shorelines and small beach areas for shore swimming plus opportunities for open‑water swims from boats or piers during the warmer months, although the water can be cool and conditions vary so check local access and safety.