Koi-Sauna
Naturist sauna or spa in North Rhine-Westphalia, Germany
Koi-Sauna is a naturist-only sauna and spa in North Rhine-Westphalia, Germany. Average air temperatures peak in July at 18°C (64°F), and the best time to visit is September to June. There are 8 other naturist places within 50 km (31 mi), the closest being Alhambra (0 km (0 mi)).
Weather and water temperature at Koi-Sauna
Tap a month. Averages: air 2001–2025 (NASA POWER), sea 1991–2020 (NOAA OISST).
| Month | Air | Rain |
|---|---|---|
| January (best) | 0°C | 63 mm |
| February (best) | 1°C | 54 mm |
| March (best) | 4°C | 56 mm |
| April (best) | 8°C | 47 mm |
| May (best) | 12°C | 72 mm |
| June (best) | 16°C | 75 mm |
| July | 18°C | 77 mm |
| August | 18°C | 80 mm |
| September (best) | 14°C | 58 mm |
| October (best) | 9°C | 59 mm |
| November (best) | 5°C | 63 mm |
| December (best) | 1°C | 67 mm |
Visiting
- Website: badewelt-euskirchen.de
- Coordinates: 50.66615, 6.80186 · OpenStreetMap
- Local law: is public nudity legal in Germany?
- New to nude saunas? Read what FKK and textile-free saunas mean.
Naturist places near Koi-Sauna
- 1Alhambra naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist only
- 2Meditations-Sauna naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist only
- 3Tropen-Sauna naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist only
- 4Apollon-Sauna naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist only
- 5Kino-Sauna naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist only
- 6Wiener Kaffeehaus naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist only
- 7Taj Mahal naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist only
- 8Keltenthron naturist sauna or spa · North Rhine-Westphalia · best September to JuneNaturist 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 Koi-Sauna clothing optional?
Koi-Sauna is listed as "naturist only: nudity expected" according to OpenStreetMap (nudism=nude_required). Rules can change, and clothing-optional zones are often only part of a site, 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 Germany before you go.
When is the best time to visit Koi-Sauna?
Based on 2001–2025 climate averages (NASA POWER), the most comfortable months are September to June. July averages 18°C (64°F) and January 0°C (32°F).
What other naturist places are near Koi-Sauna?
The closest are Alhambra (0 km (0 mi)), Meditations-Sauna (0 km (0 mi)) and Tropen-Sauna (0 km (0 mi)).
Sources
Status from OpenStreetMap (nudism=nude_required). Not yet verified against an official source; local rules may have changed. Data updated 2026-10-31. All data sources and licenses. © OpenStreetMap contributors.