Barragem de Montargil vs Barragem do Alqueva
Barragem do Alqueva is the warmer swim right now at about 23.8°C. They are roughly 114 km apart in Portugal.
Barragem de Montargil
Alentejo
warm · modelled estimate
- October average
- 23.0°C
- Warmest month
- August · 27.0°C
- Coldest month
- 11.0°C
- Swim season
- May–November
Barragem de Montargil in Alentejo, Portugal warms into the mid-20s °C for reliable summer swimming, and stays mild even in winter.
Barragem do Alqueva
Alentejo
warm · modelled estimate
- October average
- 23.8°C
- Warmest month
- August · 28.0°C
- Coldest month
- 11.0°C
- Swim season
- May–November
Barragem do Alqueva in Alentejo, Portugal stays bath-warm through the summer swim season, and stays mild even in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Barragem de Montargil | 12.1°C | 11.0°C | 12.1°C | 15.0°C | 19.0°C | 23.0°C | 25.9°C | 27.0°C | 25.9°C | 23.0°C | 19.0°C | 15.0°C |
| Barragem do Alqueva | 12.1°C | 11.0°C | 12.1°C | 15.3°C | 19.5°C | 23.8°C | 26.9°C | 28.0°C | 26.9°C | 23.8°C | 19.5°C | 15.3°C |
Monthly values are modelled from each lake's long-term winter and summer envelope, then refined with today's forecast air temperature for the headline reading.
Related lake comparisons
Want a different mix? Compare up to four lakes side by side or browse all lake water temperatures.
Explore every sea temperature page
Jump straight to a country, coastal region, city, seasonal ranking or comparison.
