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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

16.6°C
Today
15.8°C
Yesterday
17.8°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 León today is 16.6°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 9 to June 9

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 217.3°C15.0°C
JUN 316.9°C15.0°C
JUN 416.9°C15.0°C
JUN 516.9°C15.0°C
JUN 616.7°C15.0°C
JUN 715.8°C15.0°C
JUN 815.8°C15.0°C
JUN 1015.0°C16.5°C
JUN 1115.0°C16.4°C
JUN 1215.0°C16.4°C
JUN 1315.0°C16.3°C
JUN 1415.0°C16.2°C
JUN 1515.0°C16.1°C
JUN 1615.0°C16.0°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°C19°C
July13°C18°C22°C
August13°C18°C22°C
September10°C15°C19°C
October9°C12°C15°C
November5°C9°C11°C
December2°C6°C9°C

León: Weather Forecast

June 9

° / °
overcast
rain: 0% | wind:

June 10

° / °
overcast
rain: 0% | wind:

June 11

° / °
overcast
rain: 0% | wind:

June 12

° / °
mainly clear
rain: 0% | wind:

June 13

° / °
mainly clear
rain: 15% | wind:

June 14

° / °
light drizzle
rain: 37% | 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 16.6°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 - 22°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.