Praia Duna Alta Naturista
Praia Duna Alta Naturista is a clothing-optional beach in Coimbra, Portugal. The sea is warmest in August at about 18°C (65°F) and coolest in February (14°C (56°F)). Average air temperatures peak in August at 21°C (70°F). EU monitoring rated the bathing water "Excellent" in 2025. There is one other naturist place within 50 km (31 mi), the closest being Praia Naturistas da Costa Nova em Aveiro (8.7 km (5.4 mi)).
Weather and water temperature at Praia Duna Alta Naturista
Tap a month. Averages: air 2001–2025 (NASA POWER), sea 1991–2020 (NOAA OISST).
| Month | Air | Sea | Rain |
|---|---|---|---|
| January | 10°C | 14°C | 126 mm |
| February | 11°C | 14°C | 88 mm |
| March | 12°C | 14°C | 97 mm |
| April | 14°C | 15°C | 87 mm |
| May | 16°C | 16°C | 58 mm |
| June | 19°C | 17°C | 28 mm |
| July | 21°C | 18°C | 11 mm |
| August | 21°C | 18°C | 18 mm |
| September | 20°C | 18°C | 47 mm |
| October | 17°C | 17°C | 127 mm |
| November | 13°C | 16°C | 132 mm |
| December | 11°C | 15°C | 110 mm |
Not sure what the numbers mean? Here is how warm is warm enough to swim.
Visiting
- Bathing water profile: AREÃO
- Coordinates: 40.51732, -8.78259 · OpenStreetMap
- Local law: is public nudity legal in Portugal?
- Before you go, read our nude beach etiquette guide.
- First time? Read our guide to your first time at a nude beach.
Naturist places near Praia Duna Alta Naturista
- 1Praia Naturistas da Costa Nova em Aveiro nude beach · AveiroClothing optionalSea 18°C in August
- 2Praia do Vigão nude beach · Leiria · best AugustClothing optionalSea 19°C in August
- 3Rio Alto Beach nude beach · PortoClothing optionalSea 17°C in August
- 4Praia do Salgado nude beach · LeiriaClothing optionalSea 19°C in August
- 5Praia da Gralha nude beach · LeiriaClothing optionalSea 19°C in August
- 6Praia Rodanho - zona de Naturista tolerado nude beach · Viana do CasteloClothing optionalSea 17°C in August
- 7NaturViana naturist campground · Viana do CasteloCustomary
- 8Lima Nature naturist campground · Viana do CasteloNaturist only
Status labels: Official · Naturist only · Clothing optional · Tolerated · Customary · Listed · Prohibited · Closed. Statuses come from open data and are not yet verified in person.
Frequently asked questions
Is Praia Duna Alta Naturista clothing optional?
Praia Duna Alta Naturista is listed as "clothing optional" according to OpenStreetMap (nudism=allowed). Rules can change, and clothing-optional zones are often only part of a beach, so look for signs on arrival and follow local rules. NudistMap has not yet verified this status in person. You can check what applies in Portugal before you go.
How warm is the water at Praia Duna Alta Naturista?
Long-term sea surface temperatures (NOAA OISST, 1991–2020) range from 14°C (56°F) to 18°C (65°F) in August. Water at the shore can be a few degrees different.
Is the water clean at Praia Duna Alta Naturista?
The nearest EU-monitored bathing site (AREÃO) was rated "Excellent" for the 2025 season under the EU Bathing Water Directive.
What other naturist places are near Praia Duna Alta Naturista?
The closest are Praia Naturistas da Costa Nova em Aveiro (8.7 km (5.4 mi)), Praia do Vigão (70 km (44 mi)) and Rio Alto Beach (103 km (64 mi)).
Sources
Status from OpenStreetMap (nudism=allowed). Not yet verified against an official source; local rules may have changed. Data updated 2026-10-31. All data sources and licenses. © OpenStreetMap contributors.