Kazanlak — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Kazanlak, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Kazanlak today is 21°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 |
|---|---|---|---|
| SEP 13 | 22.7°C | 20.1°C | |
| SEP 14 | 22.7°C | 20.1°C | |
| SEP 15 | 22.7°C | 20.1°C | |
| SEP 16 | 22.4°C | 20.1°C | |
| SEP 17 | 22.1°C | 20.1°C | |
| SEP 18 | 21.9°C | 20.1°C | |
| SEP 19 | 21.4°C | 20.1°C | |
| SEP 20 | 21.1°C | 20.1°C | |
| SEP 21 | 20.1°C | 21.0°C | |
| SEP 22 | 20.1°C | 20.9°C | |
| SEP 23 | 20.1°C | 20.9°C | |
| SEP 24 | 20.1°C | 20.8°C | |
| SEP 25 | 20.1°C | 20.8°C | |
| SEP 26 | 20.1°C | 20.7°C | |
| SEP 27 | 20.1°C | 20.7°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 |
|---|---|---|---|
| January | 3°C | 8°C | 13°C |
| February | 3°C | 9°C | 13°C |
| March | 4°C | 10°C | 15°C |
| April | 9°C | 13°C | 17°C |
| May | 9°C | 16°C | 22°C |
| June | 15°C | 20°C | 25°C |
| July | 18°C | 23°C | 28°C |
| August | 18°C | 23°C | 29°C |
| September | 15°C | 20°C | 26°C |
| October | 13°C | 17°C | 20°C |
| November | 8°C | 12°C | 16°C |
| December | 3°C | 8°C | 13°C |
Kazanlak: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Kazanlak (Bulgarian: Казанлък) sits in central Bulgaria along the Tundzha River and near the Koprinka reservoir, and its inland water bodies show clear seasonal variation in temperature. In winter rivers and reservoirs commonly approach near‑freezing values, roughly 0–4 °C (32–39 °F), while spring warming brings typical ranges from about 6–16 °C (43–61 °F) as snowmelt and rains feed the system. By midsummer shallow parts of Koprinka and slow stretches of the Tundzha can warm to approximately 20–26 °C (68–79 °F), with deeper or faster flows generally several degrees cooler. In autumn temperatures decline again into a roughly 10–18 °C (50–64 °F) band before winter cooling.
Swimming in Kazanlak’s lakes and river stretches is possible but conditional. Informal bathing and local recreational use are common in summer when temperatures are comfortable, yet there are no large supervised municipal beaches in the town itself; safety depends on access, depth, currents and water clarity. Local authorities may prohibit bathing after heavy rains or if water quality tests indicate contamination, and cold-season swimming is naturally limited by hypothermia risk. Visitors should check current local guidance and observe posted warnings, use designated spots where available, and exercise caution around currents and submerged hazards.