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Napa Valley United States of America
Temperatures in December
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Temperature in Napa Valley in December

Napa Valley is a region in the United States of America. December is generally a moderate month with maximum daytime temperatures around 14°C and nighttime temperatures around 4°C in Napa. December falls during the winter season. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Napa Valley in December?

To get a sense of December's typical temperatures in the key spots of Napa Valley, explore the map below. Click on a point for an in-depth look.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • How much sun does Napa Valley get in December?
    • Most areas experience a moderate amount of sunshine, with approximately 160 hours of sunlight expected in Napa. This makes it neither too gloomy nor overly bright.

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