Planning a getaway to the Napa Valley, the United States of America this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:
What to Expect in the Napa Valley in December
The Napa Valley, the United States of America is a region in the United States of America. December in the Napa Valley generally has mild temperatures, with precipitation levels ranging from high to heavy. It's the height of winter.
Temperatures
You can expect mild maximum daytime temperatures of around 14°C (57°F) and nighttime temperatures around 4°C (39°F) in Napa. In general, this month stands out as the coldest period throughout the year. However, even though December is the coolest month, you can still find places in the Napa Valley, the United States of America with moderate temperatures, ensuring a pleasant experience throughout the year.To learn more about the conditions in specific areas of the Napa Valley, the United States of America, check out the map below.
Precipitation
In December, precipitation varies across different areas. From high rainfall in American Canyon with an average of 101 mm (4 in) to heavy rainfall in Calistoga with 183 mm (7.2 in). Based on our climate, it is the month with the most precipitation throughout the year in Napa.Average sunshine
Sunshine amounts are decent in most places. Napa gets approximately 160 hours of sunlight in December, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.