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Reka River — Current Water Temperature, Annual Trends and Forecast

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

Reka River, Slovenia
Reka River, Slovenia © By Petar Milošević, CC BY-SA 4.0

Current Water Temperature

17.1°C
Today
17.2°C
Yesterday
19.0°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 the Reka River today is 17.1°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 June 22 to July 23

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1619.0°C18.0°C
JUL 1719.0°C18.0°C
JUL 1818.2°C18.0°C
JUL 1918.1°C18.0°C
JUL 2017.9°C18.0°C
JUL 2117.3°C18.0°C
JUL 2217.2°C18.0°C
JUL 2317.1°C18.0°C
JUL 2418.0°C17.1°C
JUL 2518.0°C17.2°C
JUL 2618.0°C17.2°C
JUL 2718.0°C17.3°C
JUL 2818.0°C17.3°C
JUL 2918.0°C17.4°C
JUL 3018.0°C17.4°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
January3°C7°C10°C
February3°C7°C9°C
March6°C9°C12°C
April6°C10°C14°C
May8°C13°C18°C
June11°C16°C21°C
July14°C18°C23°C
August14°C18°C23°C
September11°C16°C20°C
October9°C13°C16°C
November5°C9°C12°C
December3°C7°C10°C

Reka River: Water Temperature by Location

Reka River: Weather Forecast

July 24

° / °
overcast
rain: 3% | wind:

July 25

° / °
overcast
rain: 14% | wind:

July 26

° / °
slight rain showers
rain: 88% | wind:

July 27

° / °
slight rain showers
rain: 75% | wind:

Location & Local Information

The Reka River is one of the most distinctive rivers in Slovenia, flowing through the karst region and disappearing underground into the famous Škocjan Caves. Its waters are influenced by rainfall and karst springs, which means the temperature can vary, but it generally stays on the cooler side, often between 12°C and 18°C during the warmer months. Because of this, swimming in the river is refreshing but rarely becomes a widespread activity.

There are a few calmer stretches where locals sometimes take a dip on hot days, but the Reka is better known for its dramatic underground course and natural beauty than for bathing. The flow can change quickly after rain, so swimming is not always safe. For most people, the river is a place to admire, hike along, and enjoy nature, rather than a typical swimming spot.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Reka River?
Water Temperature in the Reka River today is 17.1°C.
What is the water temperature in the Reka River during the summer months?
The water temperature in the Reka River in summer fluctuates in the range of 11°C - 23°C.
Is it possible to swim in Reka (Slovenia) and what are the possibilities for this?
Yes—you can swim in parts of the Reka in Slovenia, mainly in accessible upstream pools, small natural bathing spots or designated bathing areas, but many stretches (notably the karst section around Škocjan Caves) are protected or potentially hazardous, so swimming is seasonal, often cold, and should be done only where permitted and with local guidance.