Yountville Weather in December

With daytime temperatures of 14°C (57°F) and nighttime lows of 3°C (37°F), December in Yountville brings moderate temperatures during the day. It is also the wettest month of the year, so pack an umbrella.

Rainfall in Yountville in December

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Expect around 12 days of rain based on historical data, with 139 mm (5.5 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Yountville in December

Yountville in December gets highs of 14°C (57°F) during the day and drops to 3°C (37°F) at night. This month falls in the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. The temperatures in December are typically the coolest of the year.

Sunshine in Yountville in December

The area enjoys a moderate level of sunlight, with around 160 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Yountville. Our weather planner can help you explore destinations with more pleasant weather conditions.