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Košice — Current Water Temperature, Annual Trends and Forecast

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

Košice, Slovakia
Košice, Slovakia © By Sebastian Mierzwa, CC BY-SA 4.0

Current Water Temperature

22.2°C
Today
21.0°C
Yesterday
18.6°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 Košice today is 22.2°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 2318.6°C16.7°C
JUN 2419.2°C16.7°C
JUN 2519.3°C16.7°C
JUN 2619.5°C16.7°C
JUN 2719.8°C16.7°C
JUN 2820.6°C16.7°C
JUN 2921.0°C16.7°C
JUN 3021.3°C16.7°C
JUL 119.0°C22.0°C
JUL 219.0°C21.9°C
JUL 319.0°C21.7°C
JUL 419.0°C21.6°C
JUL 519.0°C21.4°C
JUL 619.0°C21.2°C
JUL 719.0°C21.1°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°C4°C8°C
February0°C5°C8°C
March2°C6°C10°C
April5°C10°C13°C
May8°C13°C18°C
June12°C17°C22°C
July15°C19°C24°C
August12°C17°C21°C
September10°C15°C19°C
October7°C10°C13°C
November3°C7°C10°C
December1°C5°C9°C

Košice: Weather Forecast

July 1

° / °
slight thunderstorm
rain: 51% | wind:

July 2

° / °
slight thunderstorm
rain: 51% | wind:

July 3

° / °
partly cloudy
rain: 21% | wind:

Location & Local Information

In Košice, the Hornád River flows directly through the city, giving it both a scenic and practical significance. The water temperature here is influenced by the river’s mountain origin and relatively fast current. In summer, during warm and dry periods, the Hornád in Košice can reach around 18–21 °C, but after rain or colder nights the temperature quickly drops, making the water feel fresh even in July or August. Compared to lowland lakes, it never warms up to very high levels, and its variability is part of its natural character.

As for swimming, the Hornád within Košice is not a designated bathing area. The current can be strong, and the urban environment makes it less suitable for regular swimming. Nevertheless, locals sometimes use calmer shallows or side arms of the river for short dips or to cool down in hot weather. More often, the river is enjoyed from its banks for relaxation, fishing, or water sports, while those looking for proper swimming typically head to nearby lakes or reservoirs.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Košice?
Water Temperature in Košice today is 22.2°C.
What is the water temperature in Košice during the summer months?
The water temperature in Košice in summer fluctuates in the range of 12°C - 24°C.
Is it possible to swim in Košice (Slovakia) in Hornád and what are the possibilities for this?
You can swim in sections of the Hornád in and around Košice, but there are no official city river beaches so bathing is informal, water quality and currents vary, and many people therefore prefer using monitored public pools or designated lakes and reservoirs nearby for safer, regulated swimming.