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Smolyan Lakes — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Smolyan Lakes, 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

18.5°C
Today
17.9°C
Yesterday
16.2°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 Lakes today is 18.5°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

From May 31 to July 1

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2416.2°C15.0°C
JUN 2517.4°C15.0°C
JUN 2617.4°C15.0°C
JUN 2717.4°C15.0°C
JUN 2817.6°C15.0°C
JUN 2917.9°C15.0°C
JUN 3018.5°C15.0°C
JUL 218.0°C18.5°C
JUL 318.0°C18.5°C
JUL 418.0°C18.4°C
JUL 518.0°C18.4°C
JUL 618.0°C18.4°C
JUL 718.0°C18.4°C
JUL 818.0°C18.3°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
January0°C3°C6°C
February0°C3°C6°C
March0°C5°C9°C
April3°C8°C12°C
May5°C12°C19°C
June10°C15°C21°C
July12°C18°C23°C
August13°C19°C24°C
September10°C15°C21°C
October7°C11°C14°C
November4°C8°C11°C
December0°C3°C6°C

Smolyan Lakes: Water Temperature by Location

Smolyan Lakes: Weather Forecast

July 1

° / °
slight rain showers
rain: 68% | wind:

July 2

° / °
slight thunderstorm
rain: 100% | wind:

July 3

° / °
slight thunderstorm
rain: 82% | wind:

July 4

° / °
overcast
rain: 15% | wind:

July 5

° / °
partly cloudy
rain: 10% | wind:

July 6

° / °
overcast
rain: 5% | wind:

Location & Local Information

The Smolyan Lakes (Смолянски езера) are a cluster of small mountain lakes in the Rhodope Mountains of southern Bulgaria. Being high-altitude tarns, their water remains cool year-round. Typical seasonal surface temperatures range roughly from near freezing in winter—around 0–1 °C (32–34 °F) when ice or slush can form—to about 10–18 °C (50–64 °F) in the warmest mid-summer months. Spring thaw and late autumn bring intermediate temperatures, commonly in the 2–8 °C (36–46 °F) range in spring and 4–12 °C (39–54 °F) in autumn, but exact values vary with altitude, recent weather and sunlight exposure.

Swimming in the Smolyan Lakes is uncommon and generally not encouraged for casual bathing. The main reasons are the persistently low water temperatures, which pose cold-shock and hypothermia risks even on warm days, and the natural and recreational management of the area: some lakes lie within sensitive mountain ecosystems and visitor rules or local recommendations may limit bathing to protect water quality and habitats. There are typically no lifeguards or facilities at the shore, so only experienced cold-water swimmers who accept the risks and check local guidance should consider entering; most visitors enjoy the lakes for hiking and photography rather than swimming.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Smolyan Lakes?
Water Temperature in Smolyan Lakes today is 18.5°C.
What is the water temperature in Smolyan Lakes during the summer months?
The water temperature in Smolyan Lakes in summer fluctuates in the range of 10°C - 24°C.
Is it possible to swim in Smolyan lakes (Bulgaria) and what are the possibilities for this?
Yes — you can swim in the Smolyan lakes in summer, but opportunities are generally limited to brief, unofficial dips in cold, high‑altitude water with no lifeguards or facilities and occasional conservation or access restrictions, so most visitors treat them as wild‑swimming spots and rely on nearby designated or organized locations for safer, regulated bathing.