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Smolyan — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Smolyan, trends, monthly ranges and the forecast for the coming days.

Vacha Reservoir, Bulgaria
Vacha Reservoir, Bulgaria © By aski, CC BY 3.0

Current Water Temperature

16.1°C
Today
16.6°C
Yesterday
17.3°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Smolyan today is 16.1°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

From September 10 to October 11

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 417.7°C14.0°C
OCT 517.7°C14.0°C
OCT 616.7°C14.0°C
OCT 716.5°C14.0°C
OCT 816.5°C14.0°C
OCT 916.6°C14.0°C
OCT 1015.8°C14.0°C
OCT 1214.0°C16.0°C
OCT 1314.0°C15.9°C
OCT 1414.0°C15.8°C
OCT 1514.0°C15.7°C
OCT 1614.0°C15.6°C
OCT 1714.0°C15.5°C
OCT 1814.0°C15.4°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
January1°C5°C9°C
February2°C6°C9°C
March3°C8°C12°C
April6°C11°C15°C
May9°C15°C21°C
June13°C18°C23°C
July15°C20°C25°C
August16°C21°C26°C
September13°C18°C23°C
October10°C14°C17°C
November7°C11°C14°C
December1°C5°C9°C

Smolyan: Weather Forecast

October 11

° / °
slight rain showers
rain: 23% | wind:

October 12

° / °
slight thunderstorm
rain: 51% | wind:

October 13

° / °
slight rain
rain: 78% | wind:

October 14

° / °
slight rain
rain: 78% | wind:

October 15

° / °
slight rain
rain: 56% | wind:

Location & Local Information

Smolyan sits in the Rhodope Mountains, so lakes and rivers there are influenced strongly by elevation and snowmelt. Small high‑altitude glacial lakes and fast mountain streams often remain cold year‑round: winter temperatures hover around 0–4 °C (32–39 °F), spring and early summer 2–10 °C (36–50 °F), and even in the warmest months exposed mountain lakes and shaded rivers typically reach only about 8–14 °C (46–57 °F). Larger lowland reservoirs and slower stretches of river at lower elevations warm more, with summer surface temperatures commonly in the 15–22 °C (59–72 °F) range. In autumn temperatures fall steadily, often returning to single digits by late season.

Swimming in inland waters around Smolyan is physically possible but frequently limited by safety, temperature and local rules. Many mountain waters are unstaffed, cold and can have strong currents or submerged hazards, so the risk of cold shock or hypothermia is real outside the warmest weeks of July and August. Some reservoirs and designated spots may prohibit bathing for safety or water‑management reasons, while others are used informally for wild swimming when weather and temperature allow. Visitors should check local signage and municipal regulations, be mindful of water temperature, and avoid remote swims without companions or appropriate precautions.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Smolyan?
Water Temperature in Smolyan today is 16.1°C.
What is the water temperature in Smolyan during the summer months?
The water temperature in Smolyan in summer fluctuates in the range of 13°C - 26°C.
Is it possible to swim in any bodies of water in Smolyan (Bulgaria), and what are the available options for doing so?
Yes; in and around Smolyan you can swim in large Rhodope reservoirs such as Dospat, Shiroka Polyana and Golyam Beglik, in some mountain lakes and rivers (though these are cold and often unofficial bathing spots), or in municipal indoor pools and leisure centers for a safer, regulated option.