Palo Alto Weather in December

Palo Alto in December averages 15°C (59°F) during the day and 5°C (41°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Palo Alto in December

During the wettest month of the year, an umbrella can be your best friend to stay dry. Rain is expected on roughly 12 days, totalling around 83 mm (3.3 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Palo Alto in December

In December, Palo Alto sees moderate temperatures, with highs of 15°C (59°F). Nights drop to around 5°C (41°F). The winter season takes place during December. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Experience the year's most moderate temperatures in December.

Sunshine in Palo Alto in December

The area enjoys a balanced 160 hours of sunlight, ensuring it's neither too overcast nor too sunny.

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

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• January
• February
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• December

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

Palo Alto Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 40%  

Precipitation 83 mm (3.3 in)  

Rainy days 12 days  

Humidity 78% *  

Sunshine 160 hours *  

Percentage Sunshine 54% *  

* Data from: San Francisco, the United States of America (27 KM, 17 Miles).

What to Wear in Palo Alto in December

The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. 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 Palo Alto in December

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

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 Palo Alto's climate page.

More climate data for Palo Alto

Temperature Rainfall Sunshine Humidity

See the full Palo Alto climate overview or explore weather in the United States of America.