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León — Current Water Temperature, Annual Trends and Forecast

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

Nalón River, Spain
Nalón River, Spain © By Yandrak, GFDL

Current Water Temperature

11.3°C
Today
11.3°C
Yesterday
12.5°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 León today is 11.3°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 September 30 to October 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2412.5°C12.0°C
OCT 2511.5°C12.0°C
OCT 2611.4°C12.0°C
OCT 2712.1°C12.0°C
OCT 2812.0°C12.0°C
OCT 2911.8°C12.0°C
OCT 3011.3°C12.0°C
OCT 3111.3°C12.0°C
NOV 19.0°C11.2°C
NOV 29.0°C11.1°C
NOV 39.0°C11.0°C
NOV 49.0°C10.8°C
NOV 59.0°C10.7°C
NOV 69.0°C10.6°C
NOV 79.0°C10.5°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
January2°C6°C9°C
February2°C6°C9°C
March4°C8°C10°C
April6°C10°C15°C
May8°C13°C18°C
June10°C15°C21°C
July13°C18°C23°C
August13°C19°C25°C
September10°C15°C19°C
October9°C12°C15°C
November5°C9°C11°C
December2°C6°C9°C

León: Weather Forecast

November 1

° / °
partly cloudy
rain: 0% | wind:

November 2

° / °
fog
rain: 0% | wind:

November 3

° / °
fog
snow: 0% | wind:

November 4

° / °
fog
snow: 0% | wind:

Location & Local Information

León province in Castile and León contains a mix of mountain lakes and man-made reservoirs whose water temperatures vary with elevation and season. In winter the surface of many higher-elevation lakes and reservoirs commonly ranges from about 2–8 °C (36–46 °F), while lower reservoirs may be a bit warmer. In spring and autumn temperatures typically climb into the 8–16 °C (46–61 °F) band as snowmelt and air warming influence the water. Peak summer surface temperatures at the warmest low-elevation sites can reach roughly 18–24 °C (64–75 °F), and occasionally 25–26 °C (77–79 °F) in sheltered, shallow embalses, but true alpine and deep reservoirs often remain cooler, frequently under 15 °C (59 °F) even in midsummer.

Swimming is commonly possible in many of León’s reservoirs and natural lakes, and visitors swim there primarily in summer when surface temperatures are most comfortable. However, access and legality vary: some embalses are subject to restrictions because they serve as drinking-water catchments, others limit bathing for safety reasons such as steep drop-offs, boat traffic, strong currents, or poor water quality after heavy rains. Cold-water shock is a real risk in mountain lakes even on warm days, so local signage and municipal rules should be checked before entering the water.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in León?
Water Temperature in León today is 11.3°C.
What is the water temperature in León during the summer months?
The water temperature in León in summer fluctuates in the range of 10°C - 25°C.
Is it possible to swim in León (Spain) in Bernesga and what are the possibilities for this?
Swimming directly in the Bernesga through León is generally not recommended because water quality and safety vary, so people who want to bathe usually do so in calmer upstream stretches used informally by locals or take part in organized water‑sports, while the safest options remain municipal swimming pools and other designated bathing facilities nearby.