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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

21.5°C
Today
20.9°C
Yesterday
19.2°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 21.5°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

From May 31 to July 1

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2319.2°C18.0°C
JUN 2419.2°C18.0°C
JUN 2520.4°C18.0°C
JUN 2620.4°C18.0°C
JUN 2720.4°C18.0°C
JUN 2820.7°C18.0°C
JUN 2920.9°C18.0°C
JUN 3021.5°C18.0°C
JUL 120.0°C21.4°C
JUL 220.0°C21.4°C
JUL 320.0°C21.3°C
JUL 420.0°C21.2°C
JUL 520.0°C21.1°C
JUL 620.0°C21.1°C
JUL 720.0°C21.0°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

July 1

° / °
slight rain showers
rain: 63% | wind:

July 2

° / °
slight thunderstorm
rain: 90% | wind:

July 3

° / °
slight rain showers
rain: 56% | wind:

July 4

° / °
slight rain showers
rain: 61% | 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 21.5°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.