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Waterfall Kozjak Lake — Current Water Temperature, Annual Trends and Forecast

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

Triglav Lakes, Slovenia
Triglav Lakes, Slovenia © By Matijap, CC BY-SA 3.0

Current Water Temperature

19.5°C
Today
19.2°C
Yesterday
18.7°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 Waterfall Kozjak Lake today is 19.5°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 May 30 to June 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2318.7°C20.8°C
JUN 2418.4°C20.8°C
JUN 2518.1°C20.8°C
JUN 2618.5°C20.8°C
JUN 2718.6°C20.8°C
JUN 2819.1°C20.8°C
JUN 2919.2°C20.8°C
JUN 3019.5°C20.8°C
JUL 123.0°C19.7°C
JUL 223.0°C19.9°C
JUL 323.0°C20.0°C
JUL 423.0°C20.2°C
JUL 523.0°C20.4°C
JUL 623.0°C20.6°C
JUL 723.0°C20.7°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
January3°C7°C10°C
February3°C7°C10°C
March5°C9°C12°C
April7°C12°C17°C
May10°C15°C21°C
June14°C21°C27°C
July18°C23°C28°C
August18°C23°C28°C
September14°C20°C25°C
October10°C14°C18°C
November6°C10°C13°C
December3°C7°C10°C

Waterfall Kozjak Lake: Water Temperature by Location

Waterfall Kozjak Lake: Weather Forecast

July 1

° / °
slight thunderstorm
rain: 73% | wind:

July 2

° / °
slight rain
rain: 78% | wind:

July 3

° / °
overcast
rain: 3% | wind:

July 4

° / °
overcast
rain: 8% | wind:

Location & Local Information

Kozjak Waterfall (Slap Kozjak) is a stunning natural waterfall near Kobarid, surrounded by forest and limestone cliffs. The water flows from mountain streams, keeping it very cold year-round. Even in the warmest summer months, the water temperature in the pool below the falls rarely rises above 10–12°C, and most of the year it stays closer to 5–8°C.

Swimming here is possible but not typical. The pool is relatively small and the water is icy, so only the bravest visitors take a quick dip. Most people come to admire the waterfall, enjoy the hiking paths around it, or explore the scenic canyon rather than to swim.

Because of the cold temperature, even short dips are refreshing and can be invigorating, but prolonged swimming is uncomfortable. Visitors should treat the waterfall more as a natural spectacle than a bathing spot.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Waterfall Kozjak Lake?
Water Temperature in Waterfall Kozjak Lake today is 19.5°C.
What is the water temperature in Waterfall Kozjak Lake during the summer months?
The water temperature in Waterfall Kozjak Lake in summer fluctuates in the range of 14°C - 28°C.
Is it possible to swim in Waterfall Kozjak (Slovenia) and what are the possibilities for this?
Swimming directly at Kozjak Waterfall is generally not possible or advisable because the falls sit in a narrow, protected gorge with limited access and hazardous currents, though nearby stretches of the Soča and other designated spots offer safer opportunities for wading and swimming in summer.