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Mérida — Current Water Temperature, Annual Trends and Forecast

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

Mérida, Spain
Mérida, Spain © By Fernando, CC BY-SA 4.0

Current Water Temperature

18.0°C
Today
17.9°C
Yesterday
19.3°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 Mérida today is 18°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 September 30 to October 31

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2419.3°C15.0°C
OCT 2518.8°C15.0°C
OCT 2618.3°C15.0°C
OCT 2718.7°C15.0°C
OCT 2818.7°C15.0°C
OCT 2918.7°C15.0°C
OCT 3017.9°C15.0°C
OCT 3118.0°C15.0°C
NOV 112.0°C17.7°C
NOV 212.0°C17.4°C
NOV 312.0°C17.1°C
NOV 412.0°C16.8°C
NOV 512.0°C16.5°C
NOV 612.0°C16.2°C
NOV 712.0°C15.9°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
January5°C9°C11°C
February5°C9°C12°C
March5°C9°C14°C
April9°C13°C18°C
May12°C17°C22°C
June16°C20°C25°C
July18°C22°C27°C
August18°C23°C28°C
September17°C21°C26°C
October11°C15°C18°C
November9°C12°C15°C
December7°C10°C13°C

Mérida: Weather Forecast

November 1

° / °
mainly clear
rain: 0% | wind:

November 2

° / °
clear sky
rain: 0% | wind:

November 3

° / °
overcast
rain: 2% | wind:

November 4

° / °
clear sky
rain: 10% | wind:

Location & Local Information

Mérida, in the Extremadura region of Spain, lies near several rivers and small reservoirs whose water temperatures vary with the seasons and local conditions. Typical surface temperatures in spring range from about 12–18 °C (54–64 °F) as waters warm after winter. In summer, shallow lakes and slow-moving river stretches commonly reach 20–26 °C (68–79 °F), and on very hot afternoons they can be a few degrees warmer. Autumn sees a gradual cooling to roughly 14–20 °C (57–68 °F), while winter surface temperatures often fall to around 8–12 °C (46–54 °F). Actual temperatures depend on depth, shading, inflow, and recent weather; deeper or faster-flowing sections remain colder than shallow, sun-exposed basins.

Swimming opportunities around Mérida exist but are subject to local rules and safety considerations. Some reservoirs and protected natural sites restrict bathing to preserve water quality, archaeological values, or wildlife, while designated recreational areas and nearby reservoirs permit swimming and provide facilities. Safety issues — currents, submerged hazards, lack of lifeguards, and water quality — influence whether swimming is allowed at a given spot. Visitors and locals are advised to check signage and municipal regulations before entering the water and to prefer authorized beaches and monitored areas when available.

Nearby Locations

Frequently Asked Questions

What is the current water temperature in Mérida?
Water Temperature in Mérida today is 18°C.
What is the water temperature in Mérida during the summer months?
The water temperature in Mérida in summer fluctuates in the range of 16°C - 28°C.
Is it possible to swim in Mérida (Spain) in Guadiana and what are the possibilities for this?
Yes — you can swim in the Guadiana around Mérida in certain areas and seasons, mainly at calmer stretches, natural river beaches or designated bathing spots and occasionally supervised reservoirs, but conditions and water quality vary so always check local advisories and avoid unmonitored or fast-flowing sections.