Golyam Beglik Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Golyam Beglik Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Golyam Beglik Lake today is 20.3°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 |
|---|---|---|---|
| JUL 14 | 16.5°C | 18.0°C | |
| JUL 15 | 18.2°C | 18.0°C | |
| JUL 16 | 18.5°C | 18.0°C | |
| JUL 17 | 18.6°C | 18.0°C | |
| JUL 18 | 18.6°C | 18.0°C | |
| JUL 19 | 19.1°C | 18.0°C | |
| JUL 20 | 20.3°C | 18.0°C | |
| JUL 21 | 20.3°C | 18.0°C | |
| JUL 22 | 18.0°C | 20.2°C | |
| JUL 23 | 18.0°C | 20.1°C | |
| JUL 24 | 18.0°C | 20.0°C | |
| JUL 25 | 18.0°C | 19.8°C | |
| JUL 26 | 18.0°C | 19.7°C | |
| JUL 27 | 18.0°C | 19.6°C | |
| JUL 28 | 18.0°C | 19.5°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 | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 0°C | 5°C | 9°C |
| April | 2°C | 8°C | 12°C |
| May | 5°C | 12°C | 19°C |
| June | 10°C | 15°C | 21°C |
| July | 12°C | 18°C | 23°C |
| August | 13°C | 19°C | 24°C |
| September | 10°C | 15°C | 21°C |
| October | 7°C | 11°C | 14°C |
| November | 3°C | 7°C | 11°C |
| December | 0°C | 3°C | 6°C |
Golyam Beglik Lake: Water Temperature by Location
Golyam Beglik Lake: Weather Forecast
July 22
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Golyam Beglik (Bulgarian: Голям Беглик) is a mountain reservoir in the Rhodope region whose surface temperatures reflect altitude, depth and seasonal weather. In winter the water commonly approaches freezing and can be 0–4 °C (32–39 °F), often forming ice at the margins. Spring warming typically yields surface values around 6–14 °C (43–57 °F) as snowmelt and cool air persist. By early summer temperatures usually rise to roughly 12–18 °C (54–64 °F), while peak summer conditions in July–August may push surface measurements into the 18–24 °C (64–75 °F) range on warm, calm days. Autumn sees a steady decline, with typical values of 10–16 °C (50–61 °F) before freezing resumes. Actual temperatures vary locally with depth, wind and inflow from streams.
Swimming at Golyam Beglik is possible and is practiced in summer, but it is not a formally managed beach destination and conditions can be variable. There are no widespread lifeguard services or developed facilities, and access can be limited by steep banks, fluctuating levels and boat or maintenance activity, so some areas may be restricted for safety or operational reasons. Because of the reservoir’s cool mountain water, even in summer swimmers should be cautious about cold shock and rapid heat loss. Visitors planning to swim are advised to use sheltered shallows, observe local signage and warnings, and avoid areas close to dam structures or boats.