Hungary — Water Temperature in Lakes and Rivers
Find current water temperatures in lakes and rivers across Hungary. See today’s measurements and typical seasonal changes for inland swimming and recreation. We find every place where you can swim and show you the water temperature there today and throughout the year.
Water Temperature in Lakes and Rivers
Popular Lakes
Popular Rivers
Popular Places
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Hungary is a landlocked country with a variety of freshwater environments, the best known being Lake Balaton and the country’s rivers such as the Danube and Tisza. Surface temperatures in these water bodies vary by season and by size. In summer months (June–August) Lake Balaton typically warms to about 22–27 °C (72–81 °F) and can reach 28–29 °C (82–84 °F) during heat waves; smaller, shallower lakes may heat up even more quickly. Rivers are generally a bit cooler or similar depending on flow and depth: the Danube and Tisza commonly range from roughly 18–24 °C (64–75 °F) in summer, while spring (March–May) waters are usually 10–20 °C (50–68 °F) and autumn (September–October) waters cool back into the 10–23 °C (50–73 °F) band. In winter many lakes and slow-moving stretches of river fall near freezing, around 0–4 °C (32–39 °F), and ice can form on shallower lakes or sheltered bays.
Swimming Conditions
Swimming is widely available in Hungary at designated beaches and supervised public sites, especially around Lake Balaton where infrastructure, lifeguards and water-quality monitoring are established. Rivers can offer recreational swimming but present greater hazards from currents, boat traffic and variable depths, so local guidance and marked swimming zones should be followed. Warm weather can encourage algal blooms in stagnant areas, and authorities occasionally restrict bathing for health reasons; water quality is regularly checked at popular spots. Additionally, Hungary’s plentiful thermal springs provide year-round bathing in controlled pools at temperatures often between 30–40 °C (86–104 °F), offering a different, highly regulated way to enjoy the country’s waters.