Central Valley Weather in December

Thinking of visiting Central Valley in December? Expect low temperatures reaching 5°C (41°F) during the day, dropping to -3°C (27°F) at night, and note that quite a bit of snow/rainfall is likely.

Rainfall in Central Valley in December

Historically, December sees about 12 days of snow/rain, with a monthly average of 127 mm (5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Central Valley in December

Temperatures in Central Valley in December top out at 5°C (41°F) and drop to -3°C (27°F) overnight. December marks the winter season. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. This month is known for its biting cold, so make sure to dress warmly. Proper preparation can help you stay cozy.

Sunshine in Central Valley in December

The month experiences a moderate amount of sunlight, with 141 hours of sunshine. This provides a nice balance between sunshine and clouds.

December in Central Valley has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Central Valley's climate page.

Central Valley Temperature in December

Min Temperature -3°C (27°F)  

Max Temperature 5°C (41°F)  

Chance of Rain 40%  

Precipitation 127 mm (5 in)  

Rainy days 12 days  

Humidity 64% *  

Sunshine 141 hours *  

Percentage Sunshine 48% *  

* Data from: New York City, the United States of America (65 KM, 40 Miles).

What to Wear in Central Valley in December

We recommend to layer up for chilly conditions in Central Valley in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Central Valley in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Central Valley's climate page.

More climate data for Central Valley

Temperature Rainfall Sunshine Humidity

See the full Central Valley climate overview or explore weather in the United States of America.