Lake Berryessa - Weather & Temperatures
Average high and low temperatures in degrees Fahrenheit are listed below for Lake Berryessa. 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 | 56 | 62 | 67 | 74 | 82 | 91 | 96 | 95 | 90 | 80 | 65 | 56 |
| Low | 39 | 42 | 45 | 47 | 52 | 56 | 59 | 58 | 56 | 50 | 43 | 38 |
| Water | 47 | 50 | 50 | 58 | 62 | 67 | 75 | 76 | 70 | 62 | 57 | 52 |