This page presents a long range weather forecast for Napa in December as well as other months. You can quickly get a brief overview of the weather to expect in December on a daily basis.
The Napa extended forecast data provided is based on the average values of previous years.
Select a month and click on a day for more information:
Sunday
Dec 1
16° / 8°
Monday
Dec 2
16° / 9°
Tuesday
Dec 3
16° / 10°
Wednesday
Dec 4
16° / 10°
Thursday
Dec 5
17° / 10°
Friday
Dec 6
15° / 8°
Saturday
Dec 7
15° / 9°
Sunday
Dec 8
16° / 9°
Monday
Dec 9
15° / 7°
Tuesday
Dec 10
14° / 8°
Wednesday
Dec 11
14° / 8°
Thursday
Dec 12
14° / 9°
Friday
Dec 13
14° / 9°
Saturday
Dec 14
13° / 7°
Sunday
Dec 15
13° / 6°
Monday
Dec 16
14° / 7°
Tuesday
Dec 17
14° / 7°
Wednesday
Dec 18
13° / 7°
Thursday
Dec 19
14° / 8°
Friday
Dec 20
14° / 9°
Saturday
Dec 21
14° / 9°
Sunday
Dec 22
14° / 9°
Monday
Dec 23
15° / 8°
Tuesday
Dec 24
14° / 8°
Wednesday
Dec 25
13° / 8°
Thursday
Dec 26
13° / 7°
Friday
Dec 27
13° / 8°
Saturday
Dec 28
12° / 7°
Sunday
Dec 29
11° / 7°
Monday
Dec 30
13° / 7°
Tuesday
Dec 31
13° / 8°
Napa 30 days weather forecast
Check out our estimated 30 days weather forecast for Napa, this data is based on the average weather in Napa in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Napa next to the desired date.