Measurements:
°C
°F
Napa
52°F
W 2 mph
Feels like: 52°F
Precip: 0%
World Resorts USA Napa Weather December Weather in Napa

Napa Weather: December

Average Day Temperature: 54.8°F
Average Night Temperature: 43.9°F
Number of Sunny Days: 13 days
Sunshine Hours: 9.5 - 9.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.6 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 64°F. The lowest night temperature was 36°F. The average values for day and night temperatures during December were 58.7°F и 49.1°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Napa is 1.6 in. It makes december the most rainy month of the year.

Wind Speed in December, mph

The average wind speed in December is 3.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Napa in December is 5.5 hours.

Best Time to Visit Napa
The most sunny months:
July 29 days
August 29 days
June 26 days
The most warm months:
August 91.3 °F
July 90.3 °F
September 89.2 °F
The most cold months:
December 54.8 °F
January 54.9 °F
February 58.8 °F
The most rainy months:
January 3 days
December 3 days
March 2 days
The most windy months:
June 6 mph
May 6 mph
July 5 mph

Napa on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Napa
Local time: 02:37
22 dec, sunday
0300 52°F
W
2 mph
0600 52°F
W
4 mph
0900 52°F
W
4 mph
1200 54°F
W
3 mph
1500 58°F
W
2 mph
1800 58°F
SW
2 mph
2100 58°F
NW
3 mph
23 dec, monday
0000 58°F
N
2 mph