Lake Billy Chinook - Weather & Temperatures
Average high and low temperatures in degrees Fahrenheit are listed below for Lake Billy Chinook. Dress accordingly during your houseboat vacation. If you need additional assistance, please contact us toll-free at 888-454-8825 or click here to submit a request for more guidance. Our friendly and knowledgeable Houseboat Rental Agents are always happy to help.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High | 43 | 49 | 56 | 63 | 71 | 79 | 87 | 87 | 79 | 66 | 51 | 43 |
| Low | 24 | 27 | 29 | 32 | 38 | 43 | 47 | 46 | 39 | 32 | 28 | 23 |