Sandanski — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sandanski, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sandanski today is 20°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 | 21.8°C | 19.6°C | |
| SEP 14 | 22.1°C | 19.6°C | |
| SEP 15 | 20.7°C | 19.6°C | |
| SEP 16 | 20.8°C | 19.6°C | |
| SEP 17 | 20.5°C | 19.6°C | |
| SEP 18 | 20.3°C | 19.6°C | |
| SEP 19 | 20.0°C | 19.6°C | |
| SEP 20 | 20.0°C | 19.6°C | |
| SEP 21 | 19.6°C | 20.0°C | |
| SEP 22 | 19.6°C | 20.0°C | |
| SEP 23 | 19.6°C | 19.9°C | |
| SEP 24 | 19.6°C | 19.9°C | |
| SEP 25 | 19.6°C | 19.9°C | |
| SEP 26 | 19.6°C | 19.9°C | |
| SEP 27 | 19.6°C | 19.9°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 | 4°C | 8°C | 10°C |
| February | 4°C | 8°C | 10°C |
| March | 7°C | 10°C | 13°C |
| April | 9°C | 13°C | 16°C |
| May | 12°C | 17°C | 21°C |
| June | 14°C | 19°C | 24°C |
| July | 16°C | 21°C | 26°C |
| August | 17°C | 22°C | 27°C |
| September | 14°C | 20°C | 26°C |
| October | 11°C | 15°C | 18°C |
| November | 9°C | 12°C | 15°C |
| December | 4°C | 8°C | 10°C |
Sandanski: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Sandanski (Bulgarian: Сандански) lies in southwestern Bulgaria and benefits from a warm, lowland climate that affects local lake temperatures. In the local lake, seasonal surface temperatures typically range from around 0–6 °C (32–43 °F) in winter to 20–27 °C (68–81 °F) in midsummer. Spring temperatures usually climb from roughly 8–16 °C (46–61 °F), while autumn sees a gradual cooling with values near 12–20 °C (54–68 °F). Shallow, sheltered parts warm more quickly in sunny weather, and peak summer temperatures in July and August offer the warmest, most stable swimming conditions.
Swimming is generally allowed in recreational parts of the lake during the warmer months because surface temperatures reach comfortable levels for most bathers. However, access and safety depend on local rules, signage, and water quality monitoring; some areas may be restricted for ecological protection, private ownership, or when lifeguard services are not provided. Cold-season swimming is uncommon and not advised without appropriate acclimatization or equipment due to low temperatures and potential hypothermia risk. Visitors should check current local information on bathing zones, water quality, and safety provisions before entering the water.