Best time to go to California's Great America
The best time to visit California's Great America can depend on the weather and when visitor numbers rise and fall. The hottest average temperature around California's Great America falls in August, when visitor numbers are average and weather is sunny with no rain. The coolest average temperature around California's Great America falls in December, visitor numbers are average and weather is mostly sunny with light rain.
 Calendar Month |  Temperature |  Precipitation |  Cloudiness |  Occupancy |  Pricing |
| January | 50.9°F (10.5°C) | Light Rain | Mostly Sunny | Moderately Low | Slightly Low |
| February | 52.0°F (11.1°C) | Light Rain | Mostly Sunny | Moderately Low | Average |
| March | 53.6°F (12.0°C) | Light Rain | Mostly Sunny | Average | Average |
| April | 56.8°F (13.8°C) | No Rain | Sunny | Average | Average |
| May | 60.6°F (15.9°C) | No Rain | Sunny | Average | Average |
| June | 66.6°F (19.2°C) | No Rain | Sunny | Moderately High | Slightly High |
| July | 70.0°F (21.1°C) | No Rain | Sunny | Moderately High | Slightly High |
| August | 70.2°F (21.2°C) | No Rain | Sunny | Average | Slightly High |
| September | 69.6°F (20.9°C) | No Rain | Sunny | Average | Average |
| October | 64.8°F (18.2°C) | No Rain | Sunny | Moderately High | Average |
| November | 56.3°F (13.5°C) | Light Rain | Sunny | Moderately Low | Slightly Low |
| December | 50.5°F (10.3°C) | Light Rain | Mostly Sunny | Average | Slightly Low |