Click on a day for an hourly weather forecast
The temperatures in Vacaville in December are quite cold with temperatures between 5°C and 13°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Vacaville during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Vacaville in December 2024.
If you’re planning to visit Vacaville in the near future, we highly recommend that you review the 14 day weather forecast for Vacaville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 5° | 6 | 25 | 0 | 106 mm | Good | Vacaville in January |
| February | 16° / 6° | 5 | 23 | 0 | 82 mm | Good | Vacaville in February |
| March | 18° / 7° | 6 | 25 | 0 | 95 mm | Good | Vacaville in March |
| April | 22° / 9° | 3 | 27 | 0 | 28 mm | Good | Vacaville in April |
| May | 26° / 11° | 2 | 29 | 0 | 16 mm | Perfect | Vacaville in May |
| June | 31° / 14° | 1 | 29 | 0 | 5 mm | Good | Vacaville in June |
| July | 33° / 15° | 0 | 31 | 0 | 1 mm | Good | Vacaville in July |
| August | 33° / 15° | 0 | 31 | 0 | 0 mm | Good | Vacaville in August |
| September | 32° / 16° | 1 | 30 | 0 | 4 mm | Good | Vacaville in September |
| October | 26° / 13° | 2 | 29 | 0 | 35 mm | Perfect | Vacaville in October |
| November | 18° / 8° | 4 | 26 | 0 | 46 mm | Good | Vacaville in November |
| December | 13° / 5° | 6 | 25 | 0 | 98 mm | Ok | Vacaville in December |