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Öjen Lake — Current Water Temperature, Annual Trends and Forecast

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

Siljan Lake, Sweden
Siljan Lake, Sweden © By Henrik Riomar, CC BY-SA 3.0

Current Water Temperature

11.8°C
Today
12.2°C
Yesterday
13.2°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 Öjen Lake today is 11.8°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. 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 1313.2°C15.0°C
SEP 1413.1°C15.0°C
SEP 1513.1°C15.0°C
SEP 1612.7°C15.0°C
SEP 1712.5°C15.0°C
SEP 1812.3°C15.0°C
SEP 1912.2°C15.0°C
SEP 2012.0°C15.0°C
SEP 2115.0°C12.0°C
SEP 2215.0°C12.1°C
SEP 2315.0°C12.3°C
SEP 2415.0°C12.4°C
SEP 2515.0°C12.6°C
SEP 2615.0°C12.8°C
SEP 2715.0°C12.9°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°C0°C4°C
February0°C0°C4°C
March0°C2°C5°C
April0°C4°C7°C
May5°C10°C15°C
June11°C17°C22°C
July12°C18°C23°C
August13°C19°C24°C
September10°C15°C21°C
October4°C8°C11°C
November0°C4°C7°C
December0°C2°C5°C

Öjen Lake: Water Temperature by Location

Öjen Lake: Weather Forecast

September 21

° / °
light drizzle
rain: 35% | wind:

September 22

° / °
overcast
rain: 2% | wind:

September 23

° / °
overcast
rain: 39% | wind:

September 24

° / °
overcast
rain: 51% | wind:

September 25

° / °
overcast
rain: 12% | wind:

September 26

° / °
overcast
rain: 10% | wind:

Location & Local Information

Öjen is a lake in Dalarna County, Sweden, known locally as Öjen. Surface water temperatures vary seasonally: in winter the lake is typically at or just above freezing (around 0–4 °C / 32–39 °F) and often ice-covered; spring brings a gradual rise to roughly 2–10 °C (36–50 °F) as thaw progresses; summer surface temperatures commonly range from about 12–22 °C (54–72 °F) depending on weather and depth, with the warmest weeks occasionally reaching the low twenties Celsius; autumn cooling returns temperatures to roughly 5–12 °C (41–54 °F). Deeper water remains colder year-round, so surface readings can overstate what swimmers feel once they dive below the top layer.

Swimming at Öjen is generally possible and practiced by locals and visitors. Under Sweden’s right of public access, shorelines are often open for bathing, but private-property restrictions and local safety rules may limit access to some spots. Water quality, wind, sudden depth changes and cold-water shock in shoulder seasons are the main considerations; during summer the lake is most comfortable for recreational swimming, while spring and autumn swims require caution and appropriate cold-water experience or protective gear.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Öjen Lake?
Water Temperature in Öjen Lake today is 11.8°C.
What is the water temperature in Öjen Lake during the summer months?
The water temperature in Öjen Lake in summer fluctuates in the range of 11°C - 24°C.
Is it possible to swim in Öjen (Sweden) and what are the possibilities for this?
Yes — you can swim in Öjen, mainly in summer, using small beaches, rocky shores or boat landings to access coastal and inland waters for lake and open‑water bathing, but conditions, water temperature and local safety vary with season and weather.