| Dew point | Human perception | Relative humidity at 90°F |
|---|---|---|
| Over 80°F | Severely high, even deadly for asthma related illnesses | 73% and higher |
| 75-80°F | Extremely uncomfortable, oppressive | 62-72% |
| 70-74°F | Very humid, uncomfortable | 52-61% |
| 65-69°F | May be uncomfortable at upper edge | 44-51% |
| 60-64°F | OK for most | 37-43% |
| 55-59°F | Comfortable | 31-36% |
| 50-54°F | Very comfortable | 26-30% |
| Under 50°F | A bit dry for some | 25% and lower |