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Black Lake — Current Water Temperature, Annual Trends and Forecast

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

Black Lake, Slovenia
Black Lake, Slovenia © By Sl-Ziga, Public domain

Current Water Temperature

16.0°C
Today
15.5°C
Yesterday
16.4°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 Black Lake today is 16°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 1416.4°C14.0°C
SEP 1516.4°C14.0°C
SEP 1616.2°C14.0°C
SEP 1715.8°C14.0°C
SEP 1816.4°C14.0°C
SEP 1915.5°C14.0°C
SEP 2015.5°C14.0°C
SEP 2115.0°C14.0°C
SEP 2214.0°C15.9°C
SEP 2314.0°C15.8°C
SEP 2414.0°C15.7°C
SEP 2514.0°C15.6°C
SEP 2614.0°C15.5°C
SEP 2714.0°C15.4°C
SEP 2814.0°C15.3°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°C5°C
February0°C2°C5°C
March0°C4°C7°C
April2°C7°C11°C
May5°C10°C15°C
June8°C16°C22°C
July12°C18°C23°C
August12°C18°C23°C
September9°C14°C20°C
October5°C9°C12°C
November1°C5°C9°C
December0°C2°C5°C

Black Lake: Water Temperature by Location

Black Lake: Weather Forecast

September 22

° / °
partly cloudy
rain: 2% | wind:

September 23

° / °
overcast
rain: 3% | wind:

September 24

° / °
slight rain showers
rain: 43% | wind:

September 25

° / °
partly cloudy
rain: 9% | wind:

September 26

° / °
overcast
rain: 0% | wind:

Location & Local Information

Black Lake (Črno jezero) in Slovenia is a mountain lake lying at an altitude of over 1300 meters. Because of its height and location in a shaded forested area, the water here stays cold throughout most of the year. In summer, surface temperatures can briefly reach 15–18°C, but the water is usually cooler, especially below the top layer. Outside the warmest months, it often remains below 10°C.

Swimming in Black Lake is technically possible, but it is not a typical bathing spot. The lake is shallow, peat-colored, and surrounded by protected nature, so most visitors come for hiking and views rather than for swimming. Those who do take a dip should be ready for very refreshing water and only short stays in it.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Black Lake?
Water Temperature in Black Lake today is 16°C.
What is the water temperature in Black Lake during the summer months?
The water temperature in Black Lake in summer fluctuates in the range of 8°C - 23°C.
Is it possible to swim in Black Lake (Slovenia) and what are the possibilities for this?
You can swim in Black Lake in Slovenia during the warmer months, but the water is very cold, there are typically no lifeguards or facilities, and access is limited to informal shore-entry swims or small non-motorized craft where local or park regulations permit.