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Blagoevgrad — Current Water Temperature, Annual Trends and Forecast

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

Struma River, Bulgaria
Struma River, Bulgaria © By GreatBernard, CC0

Current Water Temperature

20.5°C
Today
19.6°C
Yesterday
19.5°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 Blagoevgrad today is 20.5°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 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 319.5°C18.0°C
JUN 419.5°C18.0°C
JUN 519.3°C18.0°C
JUN 619.6°C18.0°C
JUN 719.6°C18.0°C
JUN 819.6°C18.0°C
JUN 1020.5°C18.0°C
JUN 1118.0°C20.4°C
JUN 1218.0°C20.3°C
JUN 1318.0°C20.1°C
JUN 1418.0°C20.0°C
JUN 1518.0°C19.9°C
JUN 1618.0°C19.8°C
JUN 1718.0°C19.6°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
January3°C8°C11°C
February4°C8°C11°C
March6°C10°C13°C
April8°C12°C15°C
May10°C15°C19°C
June13°C18°C22°C
July16°C20°C25°C
August16°C20°C25°C
September13°C18°C22°C
October11°C15°C18°C
November8°C11°C14°C
December4°C8°C11°C

Blagoevgrad: Weather Forecast

June 9

° / °
fog
rain: 70% | wind:

June 10

° / °
slight rain showers
rain: 55% | wind:

June 11

° / °
fog
rain: 73% | wind:

June 12

° / °
slight thunderstorm
rain: 27% | wind:

June 13

° / °
slight rain
rain: 27% | wind:

June 14

° / °
fog
rain: 28% | wind:

Location & Local Information

Blagoevgrad (Bulgarian: Благоевград) lies in southwestern Bulgaria near the foothills of Rila and Pirin, and local lakes and reservoirs tend to reflect the continental–mountain climate. Typical water temperatures in these still waters vary widely by season: in spring (March–May) surface temperatures commonly range from about 6–16 °C (43–61 °F) as snowmelt and cool runoff dominate; by early summer they rise toward 18–22 °C (64–72 °F); peak summer (July–August) can see the warmest readings around 22–26 °C (72–79 °F) at shallow, sun‑exposed spots; autumn brings a decline to roughly 10–18 °C (50–64 °F); and in winter many lakes approach freezing, often 0–4 °C (32–39 °F), with ice cover possible at higher elevations or on smaller bodies of water.

Swimming is possible in the Blagoevgrad area mainly during the warm summer months when surface temperatures are most comfortable, but whether swimming is allowed depends on the specific lake or reservoir and local rules. Some reservoirs are used for drinking water or hydroelectric purposes and swimming is prohibited for safety and water‑quality reasons, while informal bathing may occur at accessible shorelines. Visitors should follow posted signage, be aware that lifeguards are generally absent, and consider water clarity, currents, and sudden depth changes before entering.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Blagoevgrad?
Water Temperature in Blagoevgrad today is 20.5°C.
What is the water temperature in Blagoevgrad during the summer months?
The water temperature in Blagoevgrad in summer fluctuates in the range of 13°C - 25°C.
Is it possible to swim in Blagoevgrad (Bulgaria) in Struma and what are the possibilities for this?
You can swim in calmer stretches of the Struma around Blagoevgrad, but the river through the town has variable flow, depth and limited official bathing areas or monitoring, so many people instead use municipal swimming pools or seek designated reservoirs and mountain streams upstream for safer, more reliable swimming.