National City weather in December (California, United States of America)

Is December a good time to explore National City weather-wise? This guide provides the necessary weather information for your travel plans.

Temperatures

In December, National City typically experiences pleasant temperatures and moderate rainfall. The temperature during the day can rise to approximately 19°C. At night, it falls to around 9°C. Experience mild yet warm temperatures during this month, offering a comfortable climate.

Precipitation

National City in December usually receives moderate rainfall, averaging around 62 mm for the month. Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. When we look at the climate data from the last 30 years, you can expect around 7 days of rain.

Average sunshine

With around 231 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit National City. January, February, March, April, May, June, July, August, September, October and November typically offer the most optimal weather. In contrast, December tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized National City climate page with graphs.

 

National City, monthly averages in December

Min Temperature 9°C  

Max Temperature 19°C  

Chance of Rain 23%  

Precipitation 62 mm  

Rainy days 7 days  

Humidity 64% *  

Sunshine 231 hours *  

Percentage Sunshine 74% *  

Data from: San Diego, the United States of America (6 KM, 4 Miles).

Where to go in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to National City, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling

10/10

Walking

10/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in National City.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.