Târnava Mare River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Târnava Mare River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Târnava Mare River today is 15.3°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 4 | 16.0°C | 12.0°C | |
| OCT 5 | 16.1°C | 12.0°C | |
| OCT 6 | 15.3°C | 12.0°C | |
| OCT 7 | 15.4°C | 12.0°C | |
| OCT 8 | 15.0°C | 12.0°C | |
| OCT 9 | 15.0°C | 12.0°C | |
| OCT 10 | 14.9°C | 12.0°C | |
| OCT 12 | 12.0°C | 15.1°C | |
| OCT 13 | 12.0°C | 15.0°C | |
| OCT 14 | 12.0°C | 14.8°C | |
| OCT 15 | 12.0°C | 14.6°C | |
| OCT 16 | 12.0°C | 14.5°C | |
| OCT 17 | 12.0°C | 14.3°C | |
| OCT 18 | 12.0°C | 14.1°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 | 2°C | 6°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 3°C | 7°C | 10°C |
| April | 7°C | 11°C | 14°C |
| May | 9°C | 13°C | 18°C |
| June | 14°C | 18°C | 23°C |
| July | 15°C | 19°C | 24°C |
| August | 15°C | 19°C | 24°C |
| September | 12°C | 17°C | 21°C |
| October | 9°C | 12°C | 15°C |
| November | 5°C | 9°C | 11°C |
| December | 2°C | 6°C | 9°C |
Târnava Mare River: Water Temperature by Location
Târnava Mare River: Weather Forecast
October 11
October 12
October 13
October 14
October 15
Location & Local Information
Source Gurghiu Mountains
• elevation 1,455 m (4,774 ft)
Mouth Târnava
• location Blaj
• coordinates 46°10′16″N 23°53′31″E
Length 223 km (139 mi)
The Târnava Mare in central Romania is a medium‑sized Transylvanian river whose water temperature varies with the seasons and local weather. In winter the river can be very cold, often near 0–4 °C (32–39 °F), while spring typically brings cooler flows of roughly 6–12 °C (43–54 °F) as snowmelt and rains increase discharge. During summer the shallow stretches warm most, commonly ranging from about 18–24 °C (64–75 °F) on warm days, making the water most comfortable for brief swims. Autumn temperatures generally fall back to 10–16 °C (50–61 °F) as air temperatures cool and flows stabilise.
Swimming in the Târnava Mare is possible at many informal spots but is not universally regulated or supervised. Local conditions — including variable currents, submerged hazards, water quality influenced by agricultural runoff or sewage inputs, and sections flowing through private land — determine whether it is advisable to enter the water. Designated, monitored bathing areas are uncommon, so people typically swim at their own risk; checking local signage, recent water‑quality information and avoiding fast or murky stretches improves safety. In short, summer offers the most comfortable temperatures, but safety and legality depend on location and season.