Lake Tortum — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Tortum, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Tortum today is 30.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating. 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 |
|---|---|---|---|
| AUG 4 | 29.4°C | 24.7°C | |
| AUG 5 | 30.3°C | 24.7°C | |
| AUG 6 | 30.5°C | 24.7°C | |
| AUG 7 | 30.5°C | 24.7°C | |
| AUG 8 | 30.3°C | 24.7°C | |
| AUG 9 | 30.3°C | 24.7°C | |
| AUG 10 | 30.3°C | 24.7°C | |
| AUG 11 | 30.4°C | 24.7°C | |
| AUG 12 | 24.7°C | 30.1°C | |
| AUG 13 | 24.7°C | 29.8°C | |
| AUG 14 | 24.7°C | 29.5°C | |
| AUG 15 | 24.7°C | 29.3°C | |
| AUG 16 | 24.7°C | 29.0°C | |
| AUG 17 | 24.7°C | 28.7°C | |
| AUG 18 | 24.7°C | 28.4°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 | 1°C | 5°C | 8°C |
| February | 3°C | 7°C | 10°C |
| March | 4°C | 8°C | 11°C |
| April | 6°C | 10°C | 15°C |
| May | 10°C | 15°C | 21°C |
| June | 18°C | 24°C | 30°C |
| July | 18°C | 24°C | 30°C |
| August | 19°C | 25°C | 31°C |
| September | 17°C | 22°C | 27°C |
| October | 10°C | 14°C | 18°C |
| November | 6°C | 11°C | 16°C |
| December | 6°C | 9°C | 12°C |
Lake Tortum: Water Temperature by Location
Lake Tortum: Weather Forecast
August 11
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Tortum Lake (Tortum Gölü) lies in the high plateau of Erzurum and behaves more like a cold mountain reservoir than a warm bathing lake. Seasonal surface temperatures are relatively low: in winter the lake can approach freezing, typically around 0–4 °C (32–39 °F); spring sees a gradual rise to roughly 4–10 °C (39–50 °F); summer brings the warmest conditions, often between about 12–18 °C (54–64 °F); and autumn cools back to roughly 6–12 °C (43–54 °F). These ranges can vary with weather, inflows from snowmelt, wind and depth, and deeper layers remain substantially colder year-round.
Swimming is possible in parts of Tortum Lake but is limited by temperature and safety considerations. Because the water stays quite cold even in summer, immersion carries a risk of cold shock and rapid hypothermia, so swimming is uncommon for prolonged recreation; short dips by acclimatized visitors occur during warm spells. The lake is also influenced by dam operations and strong currents near inlets, outlets and intake structures, so local restrictions or warning signs may prohibit access in certain zones. Visitors should follow local guidance, avoid swimming near infrastructure, and be prepared for low temperatures if they choose to enter the water.