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Ružiná Reservoir — Current Water Temperature, Annual Trends and Forecast

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

Štrbské Pleso, Slovakia
Štrbské Pleso, Slovakia © Andrej-airliner, CC BY 4.0

Current Water Temperature

19.6°C
Today
19.8°C
Yesterday
21.4°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 Ružiná Reservoir today is 19.6°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 July 31 to August 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 2421.4°C20.0°C
AUG 2519.6°C20.0°C
AUG 2619.7°C20.0°C
AUG 2719.7°C20.0°C
AUG 2820.2°C20.0°C
AUG 2919.6°C20.0°C
AUG 3019.8°C20.0°C
AUG 3119.8°C20.0°C
SEP 118.0°C19.5°C
SEP 218.0°C19.4°C
SEP 318.0°C19.4°C
SEP 418.0°C19.3°C
SEP 518.0°C19.2°C
SEP 618.0°C19.1°C
SEP 718.0°C19.0°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
January1°C5°C9°C
February1°C6°C9°C
March3°C8°C12°C
April6°C11°C15°C
May9°C15°C21°C
June14°C20°C25°C
July17°C23°C28°C
August14°C20°C25°C
September12°C18°C23°C
October8°C12°C15°C
November3°C8°C12°C
December1°C6°C10°C

Ružiná Reservoir: Water Temperature by Location

Ružiná Reservoir: Weather Forecast

September 1

° / °
overcast
rain: 29% | wind:

September 2

° / °
overcast
rain: 3% | wind:

September 3

° / °
overcast
rain: 6% | wind:

September 4

° / °
overcast
rain: 2% | wind:

September 5

° / °
mainly clear
rain: 14% | wind:

September 6

° / °
partly cloudy
rain: 8% | wind:

Location & Local Information

The Ružiná Reservoir in central Slovakia is known as one of the warmest water bodies in the country. Thanks to its relatively low altitude and wide surface, the water here warms up quickly in late spring, often reaching 20 °C or more by early summer. During July and August, the reservoir usually maintains pleasant swimming temperatures of around 22–25 °C, making it a favorite spot for summer recreation.

Swimming is very popular at Ružiná, with several designated beaches and areas suitable for families. The water is generally calm and suitable for longer stays in the lake compared to mountain reservoirs, which remain cold. In addition to swimming, visitors often enjoy boating, paddleboarding, and fishing, which makes Ružiná a versatile destination for warm-weather activities.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Ružiná Reservoir?
Water Temperature in Ružiná Reservoir today is 19.6°C.
What is the water temperature in Ružiná Reservoir during the summer months?
The water temperature in Ružiná Reservoir in summer fluctuates in the range of 14°C - 28°C.
Is it possible to swim in Ružiná Reservoir (Slovakia) and what are the possibilities for this?
Yes — swimming is possible in the Ružiná Reservoir; visitors commonly bathe from small beaches, grassy or rocky shorelines and at campsite or recreation-area spots, but water quality, water level and boat traffic can vary so it’s best to use designated bathing areas, heed local safety notices and avoid unsupervised locations.