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Lake Hévíz — Current Water Temperature, Annual Trends and Forecast

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

Lake Hévíz, Hungary
Lake Hévíz, Hungary © By HTME, CC BY-SA 3.0

Current Water Temperature

16.1°C
Today
16.5°C
Yesterday
16.9°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 Lake Hévíz today is 16.1°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 September 11 to October 12

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 516.9°C15.0°C
OCT 616.6°C15.0°C
OCT 716.4°C15.0°C
OCT 815.8°C15.0°C
OCT 916.6°C15.0°C
OCT 1016.8°C15.0°C
OCT 1116.5°C15.0°C
OCT 1216.0°C15.0°C
OCT 1315.0°C16.0°C
OCT 1415.0°C16.0°C
OCT 1515.0°C15.9°C
OCT 1615.0°C15.9°C
OCT 1715.0°C15.8°C
OCT 1815.0°C15.8°C
OCT 1915.0°C15.7°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°C7°C11°C
February2°C7°C11°C
March6°C10°C13°C
April8°C13°C18°C
May11°C17°C23°C
June18°C23°C28°C
July19°C24°C29°C
August19°C24°C29°C
September16°C21°C26°C
October11°C15°C19°C
November4°C10°C14°C
December2°C7°C11°C

Lake Hévíz: Water Temperature by Location

Lake Hévíz: Weather Forecast

October 13

° / °
clear sky
rain: 3% | wind:

October 14

° / °
slight rain
rain: 3% | wind:

October 15

° / °
overcast
rain: 3% | wind:

October 16

° / °
overcast
rain: 5% | wind:

October 17

° / °
slight rain
rain: 7% | wind:

Location & Local Information

Lake Hévíz is the largest natural thermal lake in the world that is suitable for bathing, and it is famous for its consistently warm water throughout the year. Thanks to the hot springs feeding it, the water temperature in summer often stays around 30–33°C, while even in winter it rarely drops below 24°C. This makes swimming here a unique experience, as visitors can enjoy warm, healing waters regardless of the season.

The lake is well developed for bathing, with facilities that allow safe and comfortable access to the water. People come not only for the pleasure of swimming but also for the medicinal qualities of the mineral-rich thermal water, which is said to benefit joints and circulation. Unlike typical lakes, Lake Hévíz offers a spa-like atmosphere, where relaxation, gentle swimming, and health-focused recreation go hand in hand.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Hévíz?
Water Temperature in Lake Hévíz today is 16.1°C.
What is the water temperature in Lake Hévíz during the summer months?
The water temperature in Lake Hévíz in summer fluctuates in the range of 18°C - 29°C.
Is it possible to swim in Lake Hévíz (Hungary) and what are the possibilities for this?
Yes — you can bathe in Lake Hévíz, but only in the organised spa’s designated bathing areas and facilities where visitors can swim year‑round in the warm, mineral‑rich thermal water and use therapeutic treatments and supervised pools, while free or unsupervised open‑water swimming across the natural lake is restricted for safety and environmental protection.