Praia Fluvial do Alamal Water Temperature Today
Praia Fluvial do Alamal, a river swimming spot in Centro, Portugal. The water warms into the mid-20s °C and holds it through the swim season, and is mild even in winter.
In August Praia Fluvial do Alamal averages about 26°C, peaking near 26°C in July, August, September and dropping to roughly 11°C at its coldest.
River and swimming-hole temperatures are modelled from long-term monthly averages and refined with live air temperature, wind and UV. Moving water reacts faster to the weather than a lake or the sea.
Praia Fluvial do Alamal water temperature by month
| Month | Average water temperature | Swimming |
|---|---|---|
| January | 12.0°C | cool |
| February | 11.0°C | cool |
| March | 12.0°C | cool |
| April | 14.8°C | cool |
| May | 18.5°C | mild |
| June | 22.3°C | warm |
| July | 25.0°C | hot |
| August | 26.0°C | hot |
| September | 25.0°C | hot |
| October | 22.3°C | warm |
| November | 18.5°C | mild |
| December | 14.8°C | cool |
Praia Fluvial do Alamal swim conditions FAQ
What is the water temperature in Praia Fluvial do Alamal right now?
In August the water in Praia Fluvial do Alamal averages about 26°C. We refine that long-term average with today's air temperature, because this river responds quickly to the weather.
When is the best time to swim in Praia Fluvial do Alamal?
The comfortable swim season — 18°C or warmer — runs through May, June, July, August, September, October, November, with the warmest water in July, August, September at around 26°C.
Can you swim in Praia Fluvial do Alamal in winter?
Yes, but winter temperatures drop to roughly 11°C. Below 12°C, cold-water shock is the main risk: enter slowly, never swim alone, and limit time in the water.
Is Praia Fluvial do Alamal safe for swimming?
Moving and inland water carries different risks from the sea: check flow after rain, avoid weirs and undercut banks, look for submerged rocks before jumping, and respect local access rules and water-quality notices.
Water safety tips
- Check the flow rate after heavy rain — inland water can rise and speed up within hours.
- Never jump before checking depth and submerged rocks; levels change through the season.
- Enter slowly to control cold-water shock, and get out before you start shivering.
- Swim with someone else and agree an exit point downstream before you start.
Swim season here: May, June, July, August, September, October, November.