Călțun Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Călțun Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Călțun Lake today is 10.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. 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 3 | 8.5°C | 10.0°C | |
| JUN 4 | 8.5°C | 10.0°C | |
| JUN 5 | 8.5°C | 10.0°C | |
| JUN 6 | 9.2°C | 10.0°C | |
| JUN 7 | 9.2°C | 10.0°C | |
| JUN 8 | 9.2°C | 10.0°C | |
| JUN 10 | 10.1°C | 10.0°C | |
| JUN 11 | 10.0°C | 10.1°C | |
| JUN 12 | 10.0°C | 10.1°C | |
| JUN 13 | 10.0°C | 10.1°C | |
| JUN 14 | 10.0°C | 10.1°C | |
| JUN 15 | 10.0°C | 10.1°C | |
| JUN 16 | 10.0°C | 10.1°C | |
| JUN 17 | 10.0°C | 10.1°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 | 0°C | 0°C | 3°C |
| February | 0°C | 0°C | 2°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 4°C | 7°C |
| May | 1°C | 6°C | 11°C |
| June | 5°C | 10°C | 15°C |
| July | 7°C | 12°C | 18°C |
| August | 7°C | 12°C | 18°C |
| September | 4°C | 9°C | 14°C |
| October | 2°C | 6°C | 9°C |
| November | 0°C | 2°C | 5°C |
| December | 0°C | 0°C | 3°C |
Călțun Lake: Water Temperature by Location
Călțun Lake: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Lacul Călțun (Lacul Călțun) in South-Muntenia is a modest inland lake whose surface temperatures vary with the seasons, local weather and depth. In spring the water typically warms from about 8–15 °C (46–59 °F) as days lengthen and runoff declines. In summer surface temperatures can reach roughly 20–26 °C (68–79 °F) on warm spells, though deeper sections stay cooler. Autumn sees a steady cooling to around 10–16 °C (50–61 °F) as air temperatures fall, and in winter the lake can approach freezing at 0–4 °C (32–39 °F) depending on ice cover and prolonged cold. These figures are approximate; wind, shade, inflows and recent rainfall can shift local values by a few degrees.
Swimming at Lacul Călțun is generally possible during the warmer months when surface temperatures are most comfortable, but it is subject to local rules, water quality and safety considerations. Authorities or landowners may restrict access in places to protect habitat, prevent pollution or because of hazards such as steep banks, submerged obstacles or strong currents near inlets. Even when permitted, swimmers should be mindful of sudden temperature changes, the risk of hypothermia in cooler periods and the potential for algal blooms in late summer. Checking on-site signage or with local officials before entering the water is recommended.