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Rokosjøen — Current Water Temperature, Annual Trends and Forecast

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

Mjøsa Lake, Norway
Mjøsa Lake, Norway © By Espen Skibbuvollen

Current Water Temperature

3.0°C
Today
3.9°C
Yesterday
4.2°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 Rokosjøen today is 3°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 244.5°C8.0°C
OCT 254.5°C8.0°C
OCT 264.3°C8.0°C
OCT 273.9°C8.0°C
OCT 283.7°C8.0°C
OCT 293.9°C8.0°C
OCT 303.7°C8.0°C
NOV 14.0°C3.1°C
NOV 24.0°C3.1°C
NOV 34.0°C3.2°C
NOV 44.0°C3.2°C
NOV 54.0°C3.3°C
NOV 64.0°C3.3°C
NOV 74.0°C3.4°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
June9°C16°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

Rokosjøen: Water Temperature by Location

Rokosjøen: Weather Forecast

October 31

° / °
overcast
rain: 2% | wind:

November 1

° / °
light drizzle
rain: 19% | wind:

November 2

° / °
overcast
rain: 2% | wind:

November 3

° / °
fog
rain: 2% | wind:

November 4

° / °
fog
rain: 0% | wind:

Location & Local Information

Rokosjøen (Norwegian: Rokosjøen) in Innlandet County typically follows the seasonal patterns of small inland Norwegian lakes. In winter the surface commonly freezes or stays close to 0 °C (32 °F), especially during prolonged cold spells. Spring thaw brings temperatures roughly between 1–8 °C (34–46 °F) as the ice breaks up. By early summer the surface can warm to about 8–15 °C (46–59 °F), while the warmest weeks in July and August often see surface temperatures in the 15–22 °C range (59–72 °F), depending on weather and sunlight. During autumn the water cools again to roughly 8–12 °C (46–54 °F) before refreezing in late autumn or early winter.

Swimming in Rokosjøen is generally permitted under Norway’s public access traditions, and many people swim there in summer when surface temperatures are most comfortable. There are no universal bans, but conditions vary: water depth, underwater topography and the absence of lifeguards mean swimmers should exercise caution. Cold-water shock is a real risk outside the warmest months, and ice swimming requires proper safety measures. For organized bathing it is safest to use maintained shore areas or jetties and to heed any local signage about water quality or hazards.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Rokosjøen?
Water Temperature in Rokosjøen today is 3°C.
What is the water temperature in Rokosjøen during the summer months?
The water temperature in Rokosjøen in summer fluctuates in the range of 9°C - 24°C.
Is it possible to swim in Rokosjøen (Norway) and what are the possibilities for this?
Yes — Rokosjøen is swimable in the warmer months, with accessible shorelines, small beaches and piers for bathing and informal swimming and opportunities to combine swimming with boating or canoeing, although facilities vary by spot so you should check local conditions and safety guidance.