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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

6.9°C
Today
6.6°C
Yesterday
7.8°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 6.9°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold. 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 37.5°C11.0°C
JUN 47.5°C11.0°C
JUN 56.8°C11.0°C
JUN 66.8°C11.0°C
JUN 76.6°C11.0°C
JUN 86.6°C11.0°C
JUN 106.9°C11.0°C
JUN 1111.0°C7.1°C
JUN 1211.0°C7.3°C
JUN 1311.0°C7.5°C
JUN 1411.0°C7.7°C
JUN 1511.0°C7.9°C
JUN 1611.0°C8.1°C
JUN 1711.0°C8.3°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

June 9

° / °
light drizzle
rain: 10% | wind:

June 10

° / °
light drizzle
rain: 0% | wind:

June 11

° / °
overcast
rain: 0% | wind:

June 12

° / °
overcast
rain: 0% | wind:

June 13

° / °
overcast
rain: 3% | wind:

June 14

° / °
light drizzle
rain: 17% | 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 6.9°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.