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Bernesga River — Current Water Temperature, Annual Trends and Forecast

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

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

Current Water Temperature

22.5°C
Today
22.5°C
Yesterday
22.8°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 the Bernesga River today is 22.5°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 July 11 to August 11

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 422.8°C18.0°C
AUG 522.8°C18.0°C
AUG 622.2°C18.0°C
AUG 722.2°C18.0°C
AUG 822.2°C18.0°C
AUG 922.2°C18.0°C
AUG 1022.5°C18.0°C
AUG 1122.5°C18.0°C
AUG 1218.0°C22.3°C
AUG 1318.0°C22.1°C
AUG 1418.0°C21.8°C
AUG 1518.0°C21.6°C
AUG 1618.0°C21.4°C
AUG 1718.0°C21.2°C
AUG 1818.0°C20.9°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°C14°C
May8°C13°C18°C
June10°C15°C21°C
July13°C18°C23°C
August13°C18°C23°C
September10°C15°C19°C
October9°C12°C15°C
November5°C9°C11°C
December2°C6°C9°C

Bernesga River: Water Temperature by Location

Bernesga River: Weather Forecast

August 12

° / °
mainly clear
rain: 0% | wind:

August 13

° / °
mainly clear
rain: 0% | wind:

August 14

° / °
partly cloudy
rain: 17% | wind:

August 15

° / °
light drizzle
rain: 18% | wind:

Location & Local Information

The Río Bernesga, in Castile and León, shows noticeable seasonal variation in water temperature because it runs from mountain-fed sources through the province of León. Typical winter temperatures range roughly 4–8 °C (39–46 °F), spring values often climb to about 8–15 °C (46–59 °F), summer surface temperatures can reach approximately 16–22 °C (61–72 °F) in the warmest months, and autumn usually cools back to near 10–16 °C (50–61 °F). Local conditions, recent rainfall or drought, and shading by vegetation can shift these averages; deeper or faster-flowing sections stay colder than shallow, slow pools.

Swimming in the Río Bernesga is possible in some rural or upstream stretches, particularly during warm summer days when temperatures make immersion tolerable, but it is not universally recommended along the whole course. Within and near the city of León water quality, currents, submerged hazards and local regulations can limit safe bathing, and occasional pollution events or management rules may prohibit swimming in certain reaches. For safety and legal reasons it is best to follow posted signs and local authority guidance before entering the river, and to avoid swimming after heavy rains or in fast-flowing sections.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Bernesga River?
Water Temperature in the Bernesga River today is 22.5°C.
What is the water temperature in the Bernesga River during the summer months?
The water temperature in the Bernesga River in summer fluctuates in the range of 10°C - 23°C.
Is it possible to swim in Bernesga (Spain) and what are the possibilities for this?
Yes — parts of the Bernesga can be used for swimming, particularly calmer rural stretches and natural pools upstream of León where locals bathe, but swimming in the city section is generally discouraged due to variable water quality, access and currents, so always check local advisories and safety before entering.