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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

14.2°C
Today
12.0°C
Yesterday
11.3°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 Bucura Lake today is 14.2°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 2411.3°C10.0°C
JUN 2511.7°C10.0°C
JUN 2611.7°C10.0°C
JUN 2711.7°C10.0°C
JUN 2811.7°C10.0°C
JUN 2912.0°C10.0°C
JUN 3014.1°C10.0°C
JUL 212.0°C14.1°C
JUL 312.0°C14.0°C
JUL 412.0°C13.9°C
JUL 512.0°C13.8°C
JUL 612.0°C13.7°C
JUL 712.0°C13.5°C
JUL 812.0°C13.4°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

July 2

° / °
slight thunderstorm
rain: 98% | wind:

July 3

° / °
slight rain
rain: 53% | wind:

July 4

° / °
partly cloudy
rain: 25% | wind:

July 5

° / °
slight rain
rain: 5% | wind:

July 6

° / °
partly cloudy
rain: 13% | 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 14.2°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.