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Trnava — Current Water Temperature, Annual Trends and Forecast

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

Little Danube River, Slovakia
Little Danube River, Slovakia © By Plepo, Public domain

Current Water Temperature

22.6°C
Today
23.0°C
Yesterday
23.9°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 Trnava today is 22.6°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 July 31 to August 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 2423.9°C21.1°C
AUG 2523.1°C21.1°C
AUG 2623.1°C21.1°C
AUG 2723.1°C21.1°C
AUG 2823.1°C21.1°C
AUG 2923.1°C21.1°C
AUG 3023.0°C21.1°C
AUG 3123.0°C21.1°C
SEP 118.0°C22.4°C
SEP 218.0°C22.1°C
SEP 318.0°C21.9°C
SEP 418.0°C21.7°C
SEP 518.0°C21.5°C
SEP 618.0°C21.2°C
SEP 718.0°C21.0°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
January0°C5°C10°C
February1°C6°C10°C
March4°C9°C13°C
April8°C12°C16°C
May11°C16°C21°C
June15°C20°C26°C
July18°C23°C28°C
August15°C21°C28°C
September13°C18°C23°C
October9°C13°C16°C
November4°C9°C13°C
December2°C7°C11°C

Trnava: Weather Forecast

September 1

° / °
slight rain
rain: 35% | wind:

September 2

° / °
fog
rain: 0% | wind:

September 3

° / °
overcast
rain: 0% | wind:

September 4

° / °
overcast
rain: 5% | wind:

September 5

° / °
overcast
rain: 15% | wind:

September 6

° / °
overcast
rain: 0% | wind:

Location & Local Information

Trnava is not located directly on a large river, but the surroundings of the city offer several artificial lakes and gravel pits that are popular for swimming in summer. These waters warm up relatively quickly thanks to the lowland climate, with temperatures often reaching 22–25°C in July and August. On especially hot days, the surface can even go beyond 26°C, creating very comfortable conditions for bathing.

Locals and visitors often spend time at these lakes to enjoy swimming, sunbathing, and water sports. The calm, clear water makes them suitable not only for experienced swimmers but also for families. Although Trnava lacks a natural mountain lake or a big river for swimming, the nearby reservoirs provide a pleasant and accessible way to cool down during the summer heat.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Trnava?
Water Temperature in Trnava today is 22.6°C.
What is the water temperature in Trnava during the summer months?
The water temperature in Trnava in summer fluctuates in the range of 15°C - 28°C.
Is it possible to swim in any bodies of water in Trnava (Slovakia), and what are the available options for doing so?
Yes — you can swim in Trnava using municipal indoor and outdoor pools and aquaparks, and in summer at permitted natural spots such as monitored lakes, gravel pits, reservoirs and stretches of nearby rivers, provided local rules and water-quality advisories allow it.