1. Astir Beach Beach, Vouliagmeni · Greece
2. QC Terme Bagni Vecchi Thermal bath, Bormio · Italy
3. Bagno Vignoni Thermal bath, San Quirico d'Orcia · Italy 28 to 38°
4. Balos Lagoon Beach, Kissamos · Greece
5. Calanque d'Anthéor Calanque, Saint-Raphaël · France Free
6. Caracalla Therme Thermal bath, Baden-Baden · Germany 32 to 38°
7. Çemberlitaş Hamamı Hammam, Istanbul · Turkey
8. Zeyrek Çinili Hamam Hammam, Istanbul · Turkey
9. Coco Beach Cove, Nice · France Free
10. Egerszalók Thermal Bath Thermal bath, Egerszalók · Hungary 33 to 38°
11. El Caletón Rock pool, Garachico · Spain Free
12. Elafonisi Beach, Elafonisi · Greece Free
13. Falassarna Beach, Falassarna · Greece Free
14. Fontane Bianche Beach, Siracusa · Italy Free
15. Friedrichsbad Thermal bath, Baden-Baden · Germany 18 to 36°
16. Hammam Al Ándalus Córdoba Hammam, Córdoba · Spain
17. Hammam Al Ándalus Granada Hammam, Granada · Spain
18. Harrogate Turkish Baths Hammam, Harrogate · United Kingdom
19. Hévíz Thermal Lake Thermal bath, Hévíz · Hungary 22 to 38°
20. Hürrem Sultan Hamamı Hammam, Istanbul · Turkey
21. Hvammsvík Hot Springs Thermal bath, Hvalfjörður · Iceland 40°
22. Île Sainte-Marguerite Beach, Cannes · France Free
23. Isola Bella Beach, Taormina · Italy Free
24. Kalma Saun Bathhouse, Tallinn · Estonia
25. Kavouri Beach Beach, Vouliagmeni · Greece Free
26. Kılıç Ali Paşa Hamamı Hammam, Istanbul · Turkey
27. Krauma Thermal bath, Reykholt · Iceland 37 to 42°
28. Laugarvatn Fontana Thermal bath, Laugarvatn · Iceland
29. Limanakia Cove, Varkiza · Greece Free
30. Löyly Bathhouse, Helsinki · Finland
31. Lukács Bath Thermal bath, Budapest · Hungary 20 to 40°
32. Miskolctapolca Cave Bath Thermal bath, Miskolc · Hungary 29 to 35°
33. Mondello Beach, Palermo · Italy Free
34. Earth Lagoon Mývatn Thermal bath, Mývatn · Iceland 36 to 40°
35. Plage d'Agay Beach, Saint-Raphaël · France Free
36. Plage d'Argent Beach, Porquerolles · France Free
37. Plage de Gigaro Beach, La Croix-Valmer · France Free
38. Plage de la Garoupe Beach, Antibes · France Free
39. Plage de la Paloma Cove, Saint-Jean-Cap-Ferrat · France Free
40. Plage de la Petite Afrique Beach, Beaulieu-sur-Mer · France Free
41. Plage de Pampelonne Beach, Ramatuelle · France Free
42. Plage de Passable Beach, Saint-Jean-Cap-Ferrat · France Free
43. Plage des Marinières Beach, Villefranche-sur-Mer · France Free
44. Plage Mala Cove, Cap-d'Ail · France Free
45. Plage Marquet Beach, Cap-d'Ail · France Free
46. Plage Notre-Dame Beach, Porquerolles · France Free
47. Playa de las Canteras Beach, Las Palmas de Gran Canaria · Spain Free
48. Playa de las Teresitas Beach, San Andrés · Spain Free
49. Playa de Maspalomas Beach, Maspalomas · Spain Free
50. Playa de Papagayo Cove, Playa Blanca · Spain
51. Porchester Spa Hammam, London · United Kingdom
52. Rajaportti Sauna Bathhouse, Tampere · Finland
53. San Vito Lo Capo beach Beach, San Vito Lo Capo · Italy Free
54. Scala dei Turchi Beach, Realmonte · Italy Free
55. Secret Lagoon Thermal bath, Flúðir · Iceland 38 to 40°
56. Süleymaniye Hamamı Hammam, Istanbul · Turkey
57. Tamina Therme Thermal bath, Bad Ragaz · Switzerland 36.5°
58. Terme di Saturnia Thermal bath, Saturnia · Italy 37.5°
59. Terme Merano Thermal bath, Merano · Italy 33 to 35°
60. Therme Vals Thermal bath, Vals · Switzerland 30°
61. Vai Beach, Vai · Greece Free
62. Varkiza Beach Beach, Varkiza · Greece Free
63. Veli Bej Bath Thermal bath, Budapest · Hungary 36 to 38°
64. Vök Baths Thermal bath, Egilsstaðir · Iceland 37 to 42°

Nothing there is in season this month. Try the warm water, or another month.