Vigia Reservoir — Current Water Temperature, Annual Trends and Forecast

Current Water Temperature

Water Temperature in Vigia Reservoir today is 25.1°C.

Vigia Reservoir: Water Temperature by Location

Vigia Reservoir: Weather Forecast

Location & Local Information

The Albufeira da Barragem da Vigia, in Évora District, experiences clear seasonal variation in surface water temperature. In summer (June–August) surface temperatures commonly range from about 20–26 °C (68–79 °F), and on hot, calm days can reach around 28 °C (82 °F). Spring (March–May) waters are cooler, typically 12–18 °C (54–64 °F), while autumn (September–November) sees a gradual decline with temperatures around 15–22 °C (59–72 °F). Winter (December–February) is the coldest period, when surface readings often fall between 8–14 °C (46–57 °F). These figures refer to surface layers; deeper zones remain noticeably colder year‑round, and temperature can vary with weather, inflows and reservoir level.

Swimming at Albufeira da Barragem da Vigia is practiced by visitors but is not uniformly regulated as a supervised bathing area; whether swimming is allowed depends on local rules, posted signage and water quality monitoring. Authorities sometimes restrict access for safety reasons — submerged hazards, steep banks, sudden depth changes, variable currents from dam operations, and the absence of lifeguards. Water quality may also be occasionally unsuitable for bathing after heavy rains or agricultural runoff. For those considering a swim, summer temperatures make the lake most comfortable, but it is advisable to check local information and exercise caution, as swimming is often at one’s own risk.

Nearby Lakes