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Strandavatnet — Current Water Temperature, Annual Trends and Forecast

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

Strandavatnet, Norway
Strandavatnet, Norway © By E-CO, CC BY-SA 3.0

Current Water Temperature

13.9°C
Today
15.4°C
Yesterday
14.1°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 Strandavatnet today is 13.9°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 June 21 to July 22

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1414.1°C14.0°C
JUL 1514.1°C14.0°C
JUL 1614.2°C14.0°C
JUL 1715.4°C14.0°C
JUL 1815.4°C14.0°C
JUL 1915.4°C14.0°C
JUL 2015.4°C14.0°C
JUL 2113.9°C14.0°C
JUL 2214.0°C13.9°C
JUL 2314.0°C13.9°C
JUL 2414.0°C13.9°C
JUL 2514.0°C13.9°C
JUL 2614.0°C13.9°C
JUL 2714.0°C13.9°C
JUL 2814.0°C13.9°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°C2°C3°C
February0°C2°C3°C
March0°C2°C2°C
April0°C2°C4°C
May0°C7°C12°C
June5°C12°C19°C
July9°C14°C20°C
August10°C15°C21°C
September7°C12°C18°C
October1°C5°C8°C
November0°C2°C4°C
December0°C2°C2°C

Strandavatnet: Water Temperature by Location

Strandavatnet: Weather Forecast

July 22

° / °
mainly clear
rain: 8% | wind:

July 23

° / °
overcast
rain: 8% | wind:

July 24

° / °
overcast
rain: 25% | wind:

July 25

° / °
light drizzle
rain: 64% | wind:

July 26

° / °
overcast
rain: 27% | wind:

July 27

° / °
light drizzle
rain: 51% | wind:

Location & Local Information

Strandavatnet is a mountain reservoir in the former Buskerud area of Norway, and its water temperature reflects its elevation and northern climate. In winter the surface is typically at or just above freezing, roughly 0–4 °C (32–39 °F) beneath or next to ice; during spring thaw temperatures commonly rise through 2–8 °C (36–46 °F). Summer brings the warmest conditions, but even then the lake often remains cool, with surface temperatures generally in the 8–16 °C range (46–61 °F) and only occasionally reaching higher on very warm, calm days. In autumn the water cools again, commonly falling to 4–10 °C (39–50 °F) as air temperatures drop and mixing increases.

Swimming in Strandavatnet is physically possible and frequently done in the warmer months, but several factors affect whether it is advisable. As a mountain reservoir there can be sudden changes in water level, cold thermal layers, and no lifeguards, so local rules or operational restrictions tied to hydropower use may apply in places; access can also be limited by steep or rocky shores. Because of the persistently low temperatures, swimmers should be cautious about cold-water shock and hypothermia—short dips or wetsuits are common precautions. Always check local signage and conditions before entering the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Strandavatnet?
Water Temperature in Strandavatnet today is 13.9°C.
What is the water temperature in Strandavatnet during the summer months?
The water temperature in Strandavatnet in summer fluctuates in the range of 5°C - 21°C.
Is it possible to swim in Strandavatnet (Norway) and what are the possibilities for this?
Yes — you can swim in Strandavatnet, generally from shore or small beaches in the warmer months, but the water is often cold, amenities and lifeguards are limited, and you should be mindful of weather, boat traffic and any local regulations or warnings.