São Pedro do Sul — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in São Pedro do Sul, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in São Pedro do Sul 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 |
|---|---|---|---|
| AUG 10 | 23.2°C | 24.0°C | |
| AUG 11 | 23.3°C | 24.0°C | |
| AUG 12 | 23.3°C | 24.0°C | |
| AUG 13 | 23.3°C | 24.0°C | |
| AUG 14 | 23.6°C | 24.0°C | |
| AUG 15 | 23.6°C | 24.0°C | |
| AUG 16 | 22.7°C | 24.0°C | |
| AUG 17 | 22.7°C | 24.0°C | |
| AUG 18 | 24.0°C | 22.8°C | |
| AUG 19 | 24.0°C | 22.8°C | |
| AUG 20 | 24.0°C | 22.9°C | |
| AUG 21 | 24.0°C | 23.0°C | |
| AUG 22 | 24.0°C | 23.0°C | |
| AUG 23 | 24.0°C | 23.1°C | |
| AUG 24 | 24.0°C | 23.2°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 | 4°C | 8°C | 10°C |
| February | 6°C | 9°C | 12°C |
| March | 7°C | 10°C | 14°C |
| April | 9°C | 13°C | 18°C |
| May | 12°C | 17°C | 21°C |
| June | 16°C | 22°C | 28°C |
| July | 18°C | 23°C | 27°C |
| August | 19°C | 24°C | 28°C |
| September | 18°C | 22°C | 27°C |
| October | 12°C | 16°C | 18°C |
| November | 9°C | 12°C | 15°C |
| December | 6°C | 10°C | 13°C |
São Pedro do Sul: Weather Forecast
August 18
August 19
August 20
August 21
August 22
Location & Local Information
São Pedro do Sul, in the Viseu District of Portugal, is best known for its thermal waters and spa facilities. The thermal springs that feed the local termas typically emerge at high temperatures, commonly in the range of about 35–42 °C (95–108 °F), which makes them suitable for bathing and therapeutic use year-round. In contrast, nearby open water bodies such as reservoirs or small lakes reflect seasonal ambient temperatures: in winter they often sit around 8–12 °C (46–54 °F), in spring and autumn about 12–18 °C (54–64 °F), and in summer they can warm to roughly 18–25 °C (64–77 °F), depending on weather and depth.
Swimming is allowed in the managed thermal pools of São Pedro do Sul because these facilities are designed for public bathing, with controlled temperature and hygiene practices for safety and therapy. Recreational swimming in natural lakes or reservoirs is sometimes permitted during warmer months, but availability depends on local regulations, water‑quality monitoring and safety provisions; authorities may restrict access if currents, pollution or ecological protections present hazards. Visitors should follow on‑site signage and the guidance of spa staff or local authorities before entering any open water.