Redwood City Weather in December

December in Redwood City brings moderate temperatures around 15°C (59°F) during the day, dropping to 5°C (41°F) at night, with the most rainfall of the year.

Rainfall in Redwood City in December

This is the wettest month of the year, so having an umbrella ready is a smart choice. Analyzing past climate data, one can expect approximately 12 days of rain, averaging 96 mm (3.8 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Redwood City in December

December in Redwood City brings moderate temperatures, with highs of 15°C (59°F) and nights around 5°C (41°F). December is typically considered a winter month. The difference between afternoon and evening temperatures is usually noticeable. 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. December is characterized by some of the mildest temperatures of the year.

Sunshine in Redwood City in December

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

Wind Speed in Redwood City in December

Average wind speeds reach 3 m/s (6 knots) in December, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in December

At 13°C (55°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

December in Redwood City has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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Check the conditions for any month of the year.

• January
• February
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• May
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• October
• November
• December

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

Redwood City Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 15°C (59°F)  

Water Temperature 13°C (55°F) *  

Chance of Rain 41%  

Precipitation 96 mm (3.8 in)  

Rainy days 12 days  

Humidity 78% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 160 hours *  

Percentage Sunshine 54% *  

* Data from: San Francisco, the United States of America (19 KM, 12 Miles).

What to Wear in Redwood City in December

The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 13°C (55°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Redwood City 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 Redwood City's climate page.

More climate data for Redwood City

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Redwood City climate overview or explore weather in the United States of America.