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Estanh de Montcasau — Current Water Temperature, Annual Trends and Forecast

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

Étang d'Araing, France
Étang d'Araing, France © Sébastien BOULET, Public domain

Current Water Temperature

10.5°C
Today
10.3°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 Estanh de Montcasau today is 10.5°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 30 to June 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 239.5°C11.0°C
JUN 2410.4°C11.0°C
JUN 2510.5°C11.0°C
JUN 2610.5°C11.0°C
JUN 2710.6°C11.0°C
JUN 2810.5°C11.0°C
JUN 2910.3°C11.0°C
JUN 3010.0°C11.0°C
JUL 114.0°C10.7°C
JUL 214.0°C10.9°C
JUL 314.0°C11.0°C
JUL 414.0°C11.2°C
JUL 514.0°C11.4°C
JUL 614.0°C11.6°C
JUL 714.0°C11.7°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°C4°C
February0°C0°C4°C
March0°C3°C6°C
April0°C4°C8°C
May3°C8°C13°C
June6°C11°C17°C
July9°C14°C20°C
August9°C14°C20°C
September6°C11°C17°C
October4°C8°C11°C
November0°C4°C7°C
December0°C0°C4°C

Estanh de Montcasau: Water Temperature by Location

Estanh de Montcasau: Weather Forecast

July 1

° / °
overcast
rain: 0% | wind:

July 2

° / °
partly cloudy
rain: 9% | wind:

July 3

° / °
overcast
rain: 10% | wind:

July 4

° / °
overcast
rain: 0% | wind:

July 5

° / °
overcast
rain: 0% | wind:

Location & Local Information

Estanh de Montcasau is a small high‑mountain lake in the Catalan Pyrenees whose water temperatures reflect its altitude and alpine setting. In winter the surface is often at or just above freezing, around 0–2 °C (32–36 °F) and commonly freezes over. Spring sees a slow thaw with temps typically between 2–8 °C (36–46 °F) as runoff from snowmelt keeps the water cold. In the warmest weeks of summer the lake may warm to roughly 8–15 °C (46–59 °F), though nights and sudden weather changes keep it brisk; by autumn temperatures fall again toward about 4–10 °C (39–50 °F).

Swimming in Estanh de Montcasau is physically possible but limited by temperature and safety considerations. There is generally no formal bathing infrastructure or lifeguards, and many mountain lakes allow swimming unless specific protected‑area rules prohibit it, so local regulations should be checked. The persistently cold water makes only short dips comfortable for most people; a wetsuit is advisable for longer immersion. Additionally, conservation concerns and rapidly changing mountain weather are reasons visitors commonly choose not to swim or to do so only with caution.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Estanh de Montcasau?
Water Temperature in Estanh de Montcasau today is 10.5°C.
What is the water temperature in Estanh de Montcasau during the summer months?
The water temperature in Estanh de Montcasau in summer fluctuates in the range of 6°C - 20°C.
Is it possible to swim in Estanh de Montcasau (Spain) and what are the possibilities for this?
Swimming in Estanh de Montcasau is possible during warmer months as a wild, unserviced freshwater swim—often very cold and accessible only by hike—so people generally use it to cool off, wade or take short swims, but you should verify local regulations, be aware there are no facilities or lifeguards, and take standard mountain-water safety precautions.