Blue Lake Resort
Nudist resort in Illinois, United States
Blue Lake Resort is a naturist-only resort in Illinois, United States. Average air temperatures peak in July at 24°C (75°F), and the best time to visit is November to March.
Weather and water temperature at Blue Lake Resort
Tap a month. Averages: air 2001–2025 (NASA POWER), sea 1991–2020 (NOAA OISST).
| Month | Air | Rain |
|---|---|---|
| January (best) | -5°C | 40 mm |
| February (best) | -4°C | 46 mm |
| March (best) | 3°C | 62 mm |
| April | 10°C | 94 mm |
| May | 16°C | 118 mm |
| June | 22°C | 119 mm |
| July | 24°C | 96 mm |
| August | 23°C | 97 mm |
| September | 19°C | 87 mm |
| October | 11°C | 76 mm |
| November (best) | 4°C | 55 mm |
| December (best) | -3°C | 53 mm |
Visiting
- Website: bluelakeresort.org
- Coordinates: 41.63377, -90.04961 · OpenStreetMap
- Local law: is public nudity legal in Illinois?
- First visit? Read what to expect at a naturist resort or club.
Frequently asked questions
Is Blue Lake Resort clothing optional?
Blue Lake Resort is listed as "naturist only: nudity expected" according to Blue Lake Resort: FAQ. Rules can change, and clothing-optional zones are often only part of a site, so look for signs on arrival and follow local rules. You can check what applies in United States before you go.
When is the best time to visit Blue Lake Resort?
Based on 2001–2025 climate averages (NASA POWER), the most comfortable months are November to March. July averages 24°C (75°F) and January -5°C (22°F).
Sources
Status checked on 2026-10-31 against Blue Lake Resort: FAQ (the venue or land manager); see how we verify. Data updated 2026-10-31. All data sources and licenses. © OpenStreetMap contributors.