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Red Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Red Lake, 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

19.3°C
Today
19.1°C
Yesterday
16.5°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 Red Lake today is 19.3°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 31 to July 1

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2416.5°C19.0°C
JUN 2517.1°C19.0°C
JUN 2617.3°C19.0°C
JUN 2717.2°C19.0°C
JUN 2817.2°C19.0°C
JUN 2917.2°C19.0°C
JUN 3019.1°C19.0°C
JUL 119.3°C20.0°C
JUL 220.0°C19.3°C
JUL 320.0°C19.4°C
JUL 420.0°C19.4°C
JUL 520.0°C19.4°C
JUL 620.0°C19.5°C
JUL 720.0°C19.5°C
JUL 820.0°C19.5°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
April3°C8°C13°C
May6°C12°C18°C
June13°C19°C24°C
July14°C20°C25°C
August14°C20°C25°C
September11°C17°C22°C
October7°C11°C14°C
November2°C7°C10°C
December0°C4°C7°C

Red Lake: Water Temperature by Location

Red Lake: Weather Forecast

July 2

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

July 3

° / °
slight thunderstorm
rain: 100% | wind:

July 4

° / °
slight rain showers
rain: 68% | wind:

July 5

° / °
slight rain
rain: 14% | wind:

July 6

° / °
overcast
rain: 19% | wind:

Location & Local Information

Lacu Roșu (Red Lake) in central Romania is a mountain dam lake formed by a historic landslide, sitting at nearly 1,000 meters elevation. Because of its altitude and forested surroundings, water temperatures remain cool year-round. In winter the surface often freezes and water just beneath the ice hovers near freezing, roughly 0–4 °C (32–39 °F). During spring temperatures typically rise slowly to about 4–10 °C (39–50 °F). In summer, when surface warming is greatest, daytime values can reach approximately 14–20 °C (57–68 °F) in calm, sunny periods, while autumn sees a steady decline back toward 8–14 °C (46–57 °F).

Swimming at Lacu Roșu is generally uncommon and not promoted. Although informal bathing may occur in the warmest weeks, authorities and local guides advise against regular swimming because the lake lies within a protected area, water remains relatively cold even in summer, and hazards such as submerged trees, steep or unstable banks, and sudden weather changes increase risk. Recreational activities tend to focus on walking, sightseeing and controlled boat rentals rather than extensive bathing. Visitors should check local rules and conditions before entering the water and be mindful of safety and conservation measures.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Red Lake?
Water Temperature in Red Lake today is 19.3°C.
What is the water temperature in Red Lake during the summer months?
The water temperature in Red Lake in summer fluctuates in the range of 13°C - 25°C.
Is it possible to swim in Red Lake (Romania) and what are the possibilities for this?
Although you can physically swim in Red Lake, it is generally discouraged because the water is cold, contains submerged tree trunks and vegetation that make bathing hazardous, and local safety or conservation rules may restrict access, so most visitors prefer boat trips on the lake or to swim in supervised pools nearby.