Sierra Boyera Reservoir — Current Water Temperature, Annual Trends and Forecast

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

Sierra Boyera Reservoir, Spain © By Rafael Jiménez, GFDL

Current Water Temperature

21.9°C

Today

21.9°C

Yesterday

22.8°C

A Week Ago

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Water Temperature in Sierra Boyera Reservoir today is 21.9°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 May 11 to June 11

Table of Daily Sea Temperature Data

Date	Current	Average	Forecast
JUN 3	23.1°C	23.0°C
JUN 4	23.1°C	23.0°C
JUN 5	23.1°C	23.0°C
JUN 6	23.0°C	23.0°C
JUN 7	22.0°C	23.0°C
JUN 8	21.9°C	23.0°C
JUN 10	21.9°C	23.0°C
JUN 11		23.0°C	22.0°C
JUN 12		23.0°C	22.0°C
JUN 13		23.0°C	22.1°C
JUN 14		23.0°C	22.1°C
JUN 15		23.0°C	22.2°C
JUN 16		23.0°C	22.2°C
JUN 17		23.0°C	22.3°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
January	5°C	9°C	12°C
February	5°C	9°C	13°C
March	5°C	9°C	14°C
April	9°C	14°C	19°C
May	13°C	19°C	24°C
June	18°C	23°C	28°C
July	20°C	25°C	30°C
August	21°C	26°C	32°C
September	19°C	24°C	29°C
October	12°C	17°C	20°C
November	9°C	13°C	17°C
December	7°C	11°C	14°C

Sierra Boyera Reservoir: Water Temperature by Location

🇪🇸 Spain > Andalusia

Sierra Boyera Reservoir: Weather Forecast

June 9

° / °

clear sky

rain: 0% | wind:

June 10

° / °

partly cloudy

rain: 0% | wind:

June 11

° / °

partly cloudy

rain: 0% | wind:

June 12

° / °

overcast

rain: 5% | wind:

June 13

° / °

partly cloudy

rain: 10% | wind:

June 14

° / °

slight rain showers

rain: 15% | wind:

Location & Local Information

The Embalse de Sierra Boyera, located in Andalusia, Spain, is a man-made reservoir whose surface temperatures follow the region’s seasonal patterns. In winter the water typically cools to roughly 8–12 °C (46–54 °F), spring brings a gradual rise to around 12–18 °C (54–64 °F), summer surface temperatures often reach 20–26 °C (68–79 °F) on warm days, and autumn sees a decline back toward 14–20 °C (57–68 °F). These ranges can vary with weather, depth, and inflow; deeper or shaded parts remain colder year-round, while shallow bays warm most quickly in summer. Sudden drops in temperature below the surface and strong currents near the dam or inflows can create localized hazards.

Swimming opportunities at Embalse de Sierra Boyera are limited and depend on local regulations and safety considerations. As a working reservoir used for water management and irrigation, authorities may restrict bathing to protect water quality and to prevent accidents, and there are generally few official facilities or lifeguards. In practice some visitors swim in accessible spots when conditions are calm, but this is often discouraged for legal and safety reasons. Anyone planning to swim should observe posted rules and be aware of changing temperatures and potential underwater hazards.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Sierra Boyera Reservoir?

Water Temperature in Sierra Boyera Reservoir today is 21.9°C.

What is the water temperature in Sierra Boyera Reservoir during the summer months?

The water temperature in Sierra Boyera Reservoir in summer fluctuates in the range of 18°C - 32°C.

Is it possible to swim in Sierra Boyera Reservoir (Spain) and what are the possibilities for this?

Swimming is not typically an organized or officially permitted activity at the Sierra Boyera Reservoir due to safety and water-management restrictions, so recreational options are limited to occasional authorized events or watersport activities run by local operators, while some visitors choose to swim informally at their own risk where access and conditions allow.