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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

16.4°C
Today
15.6°C
Yesterday
16.1°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 16.4°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 22 to September 22

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1516.1°C15.6°C
SEP 1615.8°C15.6°C
SEP 1715.6°C15.6°C
SEP 1816.4°C15.6°C
SEP 1916.4°C15.6°C
SEP 2015.7°C15.6°C
SEP 2115.6°C15.6°C
SEP 2216.4°C15.6°C
SEP 2315.6°C16.4°C
SEP 2415.6°C16.3°C
SEP 2515.6°C16.3°C
SEP 2615.6°C16.2°C
SEP 2715.6°C16.2°C
SEP 2815.6°C16.2°C
SEP 2915.6°C16.1°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°C23°C
July15°C19°C24°C
August12°C19°C26°C
September10°C16°C22°C
October7°C10°C13°C
November3°C7°C10°C
December1°C5°C9°C

Košice: Weather Forecast

September 22

° / °
moderate drizzle
rain: 84% | wind:

September 23

° / °
light drizzle
rain: 18% | wind:

September 24

° / °
light drizzle
rain: 24% | wind:

September 25

° / °
light drizzle
rain: 37% | wind:

September 26

° / °
overcast
rain: 30% | wind:

September 27

° / °
partly cloudy
rain: 4% | 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 16.4°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 - 26°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.