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Devin — Current Water Temperature, Annual Trends and Forecast

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

Vacha River, Bulgaria
Vacha River, Bulgaria © By Iliana Teneva, CC BY-SA 4.0

Current Water Temperature

21.3°C
Today
20.7°C
Yesterday
19.3°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 Devin today is 21.3°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 30 to June 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2319.3°C16.7°C
JUN 2419.3°C16.7°C
JUN 2520.3°C16.7°C
JUN 2620.3°C16.7°C
JUN 2720.3°C16.7°C
JUN 2820.5°C16.7°C
JUN 2920.7°C16.7°C
JUN 3021.3°C16.7°C
JUL 118.0°C21.1°C
JUL 218.0°C21.0°C
JUL 318.0°C20.8°C
JUL 418.0°C20.6°C
JUL 518.0°C20.5°C
JUL 618.0°C20.3°C
JUL 718.0°C20.1°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
January2°C6°C9°C
February2°C6°C9°C
March4°C8°C11°C
April6°C10°C14°C
May9°C14°C19°C
June12°C17°C22°C
July14°C18°C23°C
August15°C19°C24°C
September12°C17°C21°C
October9°C13°C16°C
November7°C10°C13°C
December2°C6°C9°C

Devin: 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

Devin (Девин) is a small Rhodope mountain town in southern Bulgaria known for its mineral springs and nearby mountain lakes. Water temperatures in the local lake(s) are strongly influenced by altitude and spring-fed sources, so they remain cool for much of the year. Typical seasonal surface temperatures range roughly from 0–4 °C (32–39 °F) in winter, 8–15 °C (46–59 °F) in spring and early summer, about 18–24 °C (64–75 °F) in the warmest weeks of July and August, and fall values usually fall back to 10–16 °C (50–61 °F). These are approximate ranges and actual conditions can vary with weather and specific water bodies.

Swimming is possible in many spots during the warmest months when surface temperatures approach the high teens or low twenties Celsius, and locals and visitors commonly bathe in summer for recreation. However, some lakes and reservoirs may have restrictions for safety or water-management reasons, and the water can still feel chilly compared with lowland seaside bathing. As a result, swimmers should check local signage and conditions, be aware of sudden depth changes and cold-shock risk, and avoid unsanctioned areas even when air temperatures are warm.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Devin?
Water Temperature in Devin today is 21.3°C.
What is the water temperature in Devin during the summer months?
The water temperature in Devin in summer fluctuates in the range of 12°C - 24°C.
Is it possible to swim in Devin (Bulgaria) in Vacha and what are the possibilities for this?
Swimming directly in the Vacha Reservoir or Vacha River near Devin is sometimes possible in calm bays or from boats but can be restricted or unsafe because of steep banks, cold mountain water and dam operations, so visitors should check local rules and conditions and consider organized boat or kayak excursions or the town’s supervised thermal pools and spa facilities as safer alternatives.