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Lake Sfânta Ana — Current Water Temperature, Annual Trends and Forecast

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

Lake Sfânta Ana, Romania
Lake Sfânta Ana, Romania © By Várkonyi Tibor, GFDL

Current Water Temperature

20.2°C
Today
20.2°C
Yesterday
17.6°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 Lake Sfânta Ana today is 20.2°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 31 to July 1

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2417.6°C19.0°C
JUN 2518.3°C19.0°C
JUN 2618.5°C19.0°C
JUN 2718.5°C19.0°C
JUN 2818.5°C19.0°C
JUN 2918.5°C19.0°C
JUN 3020.2°C19.0°C
JUL 120.2°C20.0°C
JUL 220.0°C20.2°C
JUL 320.0°C20.2°C
JUL 420.0°C20.2°C
JUL 520.0°C20.2°C
JUL 620.0°C20.2°C
JUL 720.0°C20.1°C
JUL 820.0°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
January0°C4°C7°C
February0°C4°C7°C
March0°C5°C9°C
April4°C9°C13°C
May7°C12°C18°C
June13°C19°C24°C
July14°C20°C25°C
August14°C20°C25°C
September11°C17°C22°C
October7°C11°C14°C
November3°C7°C10°C
December0°C4°C7°C

Lake Sfânta Ana: Water Temperature by Location

Lake Sfânta Ana: Weather Forecast

July 2

° / °
slight thunderstorm
rain: 63% | wind:

July 3

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

July 4

° / °
slight rain showers
rain: 85% | wind:

July 5

° / °
slight rain
rain: 43% | wind:

July 6

° / °
overcast
rain: 43% | wind:

Location & Local Information

Lacul Sfânta Ana (in Romanian: Lacul Sfânta Ana) is a small volcanic crater lake in central Romania, sitting at roughly 946 m altitude. Because of its mountain setting and relatively small volume, water temperatures vary markedly with the seasons. In spring (April–May) surface temperatures are often in the range of about 4–12 °C (39–54 °F) as meltwater cools the basin. In summer (June–August) the lake can warm to roughly 12–20 °C (54–68 °F) on sunny days, though it typically remains cooler than lowland lakes. Autumn (September–November) sees temperatures fall back to roughly 6–12 °C (43–54 °F), and in winter (December–March) the lake commonly approaches freezing, around 0–4 °C (32–39 °F), with frequent ice cover during cold spells.

Swimming at Lacul Sfânta Ana is generally not permitted as part of efforts to protect the lake’s fragile ecosystem, water clarity and the surrounding protected reserve. Authorities and signage discourage bathing and aim to minimize disturbance from swimmers, pollutants and shore erosion; as a result, most visitor activity is limited to walking, sightseeing and regulated recreation around the shoreline rather than open-water swimming. Visitors should respect local rules and seasonal access restrictions to help preserve the lake’s natural character.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Sfânta Ana?
Water Temperature in Lake Sfânta Ana today is 20.2°C.
What is the water temperature in Lake Sfânta Ana during the summer months?
The water temperature in Lake Sfânta Ana in summer fluctuates in the range of 13°C - 25°C.
Is it possible to swim in Lake Sfânta Ana (Romania) and what are the possibilities for this?
Swimming in Lake Sfânta Ana is generally permitted in summer — visitors mainly bathe at the shoreline or take short swims and may use small rental boats, but the water is cold and deep, facilities and lifeguards are minimal, and local rules must be respected to protect the protected crater lake.