Mariánské Lázně — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Mariánské Lázně, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Mariánské Lázně today is 21.1°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 23 | 18.9°C | 17.5°C | |
| JUN 24 | 19.1°C | 17.5°C | |
| JUN 25 | 18.9°C | 17.5°C | |
| JUN 26 | 19.2°C | 17.5°C | |
| JUN 27 | 20.2°C | 17.5°C | |
| JUN 28 | 20.5°C | 17.5°C | |
| JUN 29 | 20.7°C | 17.5°C | |
| JUN 30 | 21.0°C | 17.5°C | |
| JUL 1 | 19.5°C | 21.0°C | |
| JUL 2 | 19.5°C | 20.9°C | |
| JUL 3 | 19.5°C | 20.9°C | |
| JUL 4 | 19.5°C | 20.8°C | |
| JUL 5 | 19.5°C | 20.7°C | |
| JUL 6 | 19.5°C | 20.6°C | |
| JUL 7 | 19.5°C | 20.5°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 |
|---|---|---|---|
| January | 0°C | 5°C | 9°C |
| February | 0°C | 5°C | 9°C |
| March | 2°C | 7°C | 11°C |
| April | 4°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 13°C | 18°C | 22°C |
| July | 15°C | 20°C | 24°C |
| August | 14°C | 19°C | 23°C |
| September | 11°C | 18°C | 19°C |
| October | 8°C | 13°C | 16°C |
| November | 2°C | 9°C | 16°C |
| December | 2°C | 5°C | 8°C |
Mariánské Lázně: Weather Forecast
July 1
July 2
July 3
July 4
Location & Local Information
Mariánské Lázně, located in the Karlovy Vary Region, is famous for its spa culture and park landscapes rather than large lakes or rivers. The water bodies in and around the town, such as small ponds and decorative fountains, are generally shallow and warm up relatively quickly during sunny days. In late spring, temperatures usually hover around 16–18 °C, while in July and August they can reach 20–22 °C, providing a mild but refreshing option for short dips or wading. These waters are not typically used for serious swimming, but they do offer a pleasant way to cool off on hot summer days.
For recreational swimming, visitors usually need to go slightly outside the town to nearby ponds or reservoirs where bathing is permitted. These spots have more natural shorelines and clearer water suitable for short swims, making them popular with families and locals seeking a quiet retreat. Even in the warmest summer months, the water maintains a refreshing character, which is particularly enjoyable after walking through the town’s park areas.
Overall, Mariánské Lázně offers a combination of mild water temperatures and scenic surroundings, though it is better suited for brief, relaxing dips rather than extensive swimming. Its charm lies in the calm, natural environment and easy access to clean, shallow waters within a picturesque spa town setting.