Castelo de Bode Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Castelo de Bode Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Castelo de Bode Reservoir today is 22.7°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| SEP 19 | 23.7°C | 26.0°C | |
| SEP 20 | 23.3°C | 26.0°C | |
| SEP 21 | 22.8°C | 26.0°C | |
| SEP 22 | 23.2°C | 26.0°C | |
| SEP 23 | 23.0°C | 26.0°C | |
| SEP 24 | 22.9°C | 26.0°C | |
| SEP 25 | 22.9°C | 26.0°C | |
| SEP 26 | 22.8°C | 26.0°C | |
| SEP 27 | 26.0°C | 22.6°C | |
| SEP 28 | 26.0°C | 22.5°C | |
| SEP 29 | 26.0°C | 22.4°C | |
| SEP 30 | 26.0°C | 22.4°C | |
| OCT 1 | 21.0°C | 22.3°C | |
| OCT 2 | 21.0°C | 22.2°C | |
| OCT 3 | 21.0°C | 22.1°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 | 7°C | 11°C | 14°C |
| February | 7°C | 11°C | 14°C |
| March | 10°C | 14°C | 18°C |
| April | 11°C | 15°C | 19°C |
| May | 12°C | 18°C | 23°C |
| June | 18°C | 24°C | 29°C |
| July | 20°C | 27°C | 33°C |
| August | 21°C | 28°C | 33°C |
| September | 21°C | 26°C | 32°C |
| October | 17°C | 21°C | 24°C |
| November | 11°C | 16°C | 21°C |
| December | 9°C | 12°C | 15°C |
Castelo de Bode Reservoir: Water Temperature by Location
Castelo de Bode Reservoir: Weather Forecast
September 27
September 28
September 29
September 30
October 1
Location & Local Information
The Albufeira da Barragem do Castelo de Bode, in Santarém District, experiences marked seasonal variation in surface water temperature. Typical winter values lie around 8–13 °C (46–55 °F), spring warming to roughly 12–18 °C (54–64 °F), summer commonly reaching 20–26 °C (68–79 °F) in shallower bays and sheltered areas, and autumn cooling to about 15–21 °C (59–70 °F). Temperatures can differ locally with depth, exposure and inflows: shallow coves warm more quickly in summer, while deeper or wind-exposed parts remain cooler. Short-term fluctuations follow air temperature, rainfall and river discharge, so conditions at a given spot may vary from the seasonal averages.
Swimming is generally possible at Castelo de Bode and the reservoir is used for bathing and a range of water sports, but it is regulated for safety and water-management reasons. Authorities and landowners may prohibit access near the dam, hydroelectric intakes or boat channels; designated beaches or recreation areas are the usual places for safe bathing. There are often no lifeguards outside supervised zones and water quality can change with algal growth or runoff, so swimmers should heed local signage and guidance. The summer temperature range makes swimming comfortable for most people, while colder months increase the risk of cold-water shock and shorter immersion times.