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San Martín de la Vega — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in San Martín de la Vega, trends, monthly ranges and the forecast for the coming days.

Jarama River, Spain
Jarama River, Spain © By Digigalos, CC BY-SA 2.5

Current Water Temperature

27.6°C
Today
27.3°C
Yesterday
25.2°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 San Martín de la Vega today is 27.6°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 June 21 to July 22

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1527.4°C22.7°C
JUL 1627.4°C22.7°C
JUL 1727.3°C22.7°C
JUL 1827.3°C22.7°C
JUL 1927.3°C22.7°C
JUL 2027.3°C22.7°C
JUL 2127.6°C22.7°C
JUL 2322.7°C27.4°C
JUL 2422.7°C27.1°C
JUL 2522.7°C26.9°C
JUL 2622.7°C26.6°C
JUL 2722.7°C26.4°C
JUL 2822.7°C26.1°C
JUL 2922.7°C25.9°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
January3°C7°C9°C
February5°C9°C11°C
March6°C9°C12°C
April8°C13°C18°C
May11°C17°C24°C
June19°C24°C28°C
July18°C23°C28°C
August18°C23°C27°C
September17°C21°C26°C
October11°C15°C18°C
November7°C11°C14°C
December5°C9°C12°C

San Martín de la Vega: Weather Forecast

July 22

° / °
overcast
rain: 5% | wind:

July 23

° / °
mainly clear
rain: 0% | wind:

July 24

° / °
mainly clear
rain: 0% | wind:

July 25

° / °
mainly clear
rain: 0% | wind:

July 26

° / °
partly cloudy
rain: 0% | wind:

July 27

° / °
slight rain showers
rain: 8% | wind:

Location & Local Information

San Martín de la Vega, a municipality southeast of Madrid, is bordered by a modest lake/reservoir used mainly for landscape and local irrigation rather than as a formal bathing area. Water temperatures there follow the typical continental pattern of central Spain: in winter surface temperatures often fall to around 6–10 °C (43–50 °F), spring usually warms the water to roughly 10–18 °C (50–64 °F), peak summer temperatures commonly reach about 18–26 °C (64–79 °F), and autumn sees a decline back toward 12–18 °C (54–64 °F). Actual figures vary year by year with rainfall, depth, and weather; shallow margins warm faster while deeper sections stay cooler.

Regarding swimming, official access is generally restricted or discouraged at many small reservoirs around Madrid, and the lake near San Martín de la Vega is no exception in practice: local regulations, water-quality considerations, lack of lifeguards, variable depths and submerged hazards make formal bathing uncommon or prohibited. That said, informal swims can occur in hot months where temperatures approach the upper summer range, but these carry safety and legal risks, so it’s advisable to check current municipal rules and water-quality notices before entering.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in San Martín de la Vega?
Water Temperature in San Martín de la Vega today is 27.6°C.
What is the water temperature in San Martín de la Vega during the summer months?
The water temperature in San Martín de la Vega in summer fluctuates in the range of 18°C - 28°C.
Is it possible to swim in San Martín de la Vega (Spain) in Jarama and what are the possibilities for this?
Swimming in the Jarama at San Martín de la Vega is generally not recommended or officially allowed due to lack of authorized bathing areas, variable water quality and safety risks, so visitors should use local municipal pools or the region’s designated reservoirs and monitored bathing sites (for example the Embalse de San Juan) for safe, legal swimming.