Ursa Beach
Ursa Beach is a clothing-optional beach in Lisbon, Portugal. The sea is warmest in August at about 19°C (66°F) and coolest in February (14°C (58°F)). Average air temperatures peak in August at 21°C (69°F), and the best time to visit is August. There are 6 other naturist places within 50 km (31 mi), the closest being Praia da Bela Vista (33 km (20 mi)).
Weather and water temperature at Ursa Beach
Tap a month. Averages: air 2001–2025 (NASA POWER), sea 1991–2020 (NOAA OISST).
| Month | Air | Sea | Rain |
|---|---|---|---|
| January | 12°C | 15°C | 73 mm |
| February | 12°C | 14°C | 53 mm |
| March | 13°C | 15°C | 63 mm |
| April | 15°C | 15°C | 58 mm |
| May | 17°C | 16°C | 34 mm |
| June | 19°C | 18°C | 13 mm |
| July | 20°C | 18°C | 4 mm |
| August (best) | 21°C | 19°C | 8 mm |
| September | 20°C | 19°C | 26 mm |
| October | 18°C | 18°C | 84 mm |
| November | 14°C | 17°C | 93 mm |
| December | 12°C | 16°C | 67 mm |
Not sure what the numbers mean? Here is how warm is warm enough to swim.
Visiting
- Coordinates: 38.79052, -9.49254 · 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 Ursa Beach
- 1Praia da Bela Vista nude beach · Setúbal · best AugustOfficialSea 19°C in August
- 2Praia 19 nude beach · Setúbal · best AugustOfficialSea 19°C in August
- 3Adiça Beach (naturist) nude beach · Setúbal · best AugustOfficialSea 19°C in August
- 4Praia da Gorda nude beach · Setúbal · best July to SeptemberToleratedSea 19°C in August
- 5Praia do Meco nude beach · Setúbal · best AugustOfficialSea 19°C in August
- 6Praia das Bicas nude beach · Setúbal · best AugustCustomarySea 19°C in August
- 7Praia da Gralha nude beach · LeiriaClothing optionalSea 19°C in August
- 8Praia do Salgado nude beach · LeiriaClothing optionalSea 19°C in August
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 Ursa Beach clothing optional?
Ursa Beach 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.
When is the best time to visit Ursa Beach?
Based on 2001–2025 climate averages (NASA POWER), the most comfortable months are August. July averages 20°C (68°F) and January 12°C (53°F).
How warm is the water at Ursa Beach?
Long-term sea surface temperatures (NOAA OISST, 1991–2020) range from 14°C (58°F) to 19°C (66°F) in August. Water at the shore can be a few degrees different.
What other naturist places are near Ursa Beach?
The closest are Praia da Bela Vista (33 km (20 mi)), Praia 19 (34 km (21 mi)) and Adiça Beach (naturist) (37 km (23 mi)).
Sources
Status from OpenStreetMap (nudism=allowed). Not yet verified against an official source; local rules may have changed. Data updated 2026-10-31. Wikidata Q10352678 · All data sources and licenses. © OpenStreetMap contributors.