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Bucura Lake — Current Water Temperature, Annual Trends and Forecast

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

Bucura Lake, Romania
Bucura Lake, Romania © By Dezidor, CC BY 3.0

Current Water Temperature

10.3°C
Today
9.8°C
Yesterday
9.5°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 Bucura Lake today is 10.3°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. 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 39.5°C10.0°C
JUN 49.5°C10.0°C
JUN 59.5°C10.0°C
JUN 69.8°C10.0°C
JUN 79.8°C10.0°C
JUN 89.8°C10.0°C
JUN 1010.3°C10.0°C
JUN 1110.0°C10.3°C
JUN 1210.0°C10.3°C
JUN 1310.0°C10.3°C
JUN 1410.0°C10.2°C
JUN 1510.0°C10.2°C
JUN 1610.0°C10.2°C
JUN 1710.0°C10.2°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°C0°C3°C
February0°C0°C2°C
March0°C2°C5°C
April0°C4°C7°C
May1°C6°C11°C
June5°C10°C15°C
July7°C12°C18°C
August7°C12°C18°C
September4°C9°C14°C
October2°C6°C9°C
November0°C2°C5°C
December0°C0°C3°C

Bucura Lake: Water Temperature by Location

Bucura Lake: Weather Forecast

June 9

° / °
overcast
rain: 5% | wind:

June 10

° / °
slight thunderstorm
rain: 80% | wind:

June 11

° / °
overcast
rain: 43% | wind:

June 12

° / °
slight rain showers
rain: 22% | wind:

June 13

° / °
slight rain showers
rain: 52% | wind:

Location & Local Information

Bucura Lake (Romanian: Lacul Bucura) is a high-altitude glacial lake whose water remains cold through the year. In winter and much of spring the surface is commonly frozen and the liquid water beneath the ice is close to 0 °C (32 °F). During the brief alpine summer, roughly from June to September, surface temperatures typically range from about 4–12 °C (39–54 °F), with the warmest days occasionally pushing toward 14 °C (57 °F). By early autumn the lake cools rapidly again, returning toward near‑freezing conditions as ice begins to form. These figures reflect typical conditions for a mountain lake at around 2,000 meters elevation and can vary with weather, season length, and the year’s particular warmth.

Swimming in Bucura Lake is physically possible but uncommon and generally not comfortable; the cold temperatures pose a real risk of cold shock and hypothermia even for strong swimmers. In addition to the health risks, the lake lies within a protected mountainous area where visitors are expected to minimize impact; park rules and local guidance often discourage bathing to protect fragile alpine ecosystems and out of concern for visitor safety given the remote location and sudden weather changes. Visitors who choose to enter the water should do so with caution and be prepared for very cold conditions.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Bucura Lake?
Water Temperature in Bucura Lake today is 10.3°C.
What is the water temperature in Bucura Lake during the summer months?
The water temperature in Bucura Lake in summer fluctuates in the range of 5°C - 18°C.
Is it possible to swim in Bucura Lake (Romania) and what are the possibilities for this?
Yes — although you can swim in Bucura Lake, the largest glacial lake in the Retezat Mountains, its water stays very cold even in summer so only short dips are practical, there are no facilities or lifeguards, access is by a substantial hike and conditions can change quickly, so swimming should be done cautiously and briefly.