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Blaj — Current Water Temperature, Annual Trends and Forecast

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

Târnava Mare River, Romania
Târnava Mare River, Romania © By Țetcu Mircea Rareș, CC BY-SA 2.5

Current Water Temperature

18.5°C
Today
17.8°C
Yesterday
17.2°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 Blaj 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 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 317.2°C18.0°C
JUN 417.2°C18.0°C
JUN 517.2°C18.0°C
JUN 617.8°C18.0°C
JUN 717.8°C18.0°C
JUN 817.8°C18.0°C
JUN 1018.5°C18.0°C
JUN 1118.0°C18.5°C
JUN 1218.0°C18.5°C
JUN 1318.0°C18.4°C
JUN 1418.0°C18.4°C
JUN 1518.0°C18.4°C
JUN 1618.0°C18.4°C
JUN 1718.0°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
January2°C6°C9°C
February2°C6°C9°C
March4°C8°C10°C
April7°C11°C14°C
May9°C13°C18°C
June14°C18°C23°C
July15°C19°C24°C
August15°C19°C24°C
September12°C17°C21°C
October9°C12°C15°C
November5°C9°C11°C
December2°C6°C9°C

Blaj: Weather Forecast

June 9

° / °
partly cloudy
rain: 0% | wind:

June 10

° / °
overcast
rain: 27% | wind:

June 11

° / °
slight thunderstorm
rain: 39% | wind:

June 12

° / °
fog
rain: 17% | wind:

June 13

° / °
moderate rain
rain: 48% | wind:

Location & Local Information

Blaj is a small town in central Romania whose nearby bodies of water—ponds, small lakes and stretches of the Târnava Mare river—follow the regional continental climate. Surface temperatures in shallow lakes around Blaj typically range seasonally from about 8–15 °C (46–59 °F) in spring (April–May) to roughly 18–26 °C (64–79 °F) in the warmest months of June through August. In autumn surface temperatures usually fall to around 10–18 °C (50–64 °F) and in winter many small lakes approach freezing, roughly 0–4 °C (32–39 °F), with ice cover possible in cold spells. Deeper or spring-fed reservoirs will be cooler and slower to warm than shallow, sheltered ponds exposed to sun and air temperature.

Swimming around Blaj is possible during the summer where local conditions allow, but it is often informal rather than organized. Designated, monitored beaches with lifeguards are uncommon in the immediate area, and access may be limited by private ownership, reed beds, currents or water quality concerns. Authorities may prohibit bathing if bacterial tests or signage indicate contamination, so swimming is recommended only in clearly permitted spots or after checking local advisories; otherwise risks include hypothermia in colder water, hidden underwater hazards and lack of emergency support.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Blaj?
Water Temperature in Blaj today is 18.5°C.
What is the water temperature in Blaj during the summer months?
The water temperature in Blaj in summer fluctuates in the range of 14°C - 24°C.
Is it possible to swim in Blaj (Romania) in Târnava Mare and what are the possibilities for this?
You can swim in some calm stretches of the Târnava Mare around Blaj during warm months, but variable water quality, vegetation and the absence of lifeguards make it less reliable, so many visitors opt for the town’s public pools or nearby lakes and supervised bathing spots for safer, cleaner swimming.