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The weather in January in National City

It's pleasantly warm in January in National City with an average temperature of 19°C. Temperatures this month range from a low of 18°C to a high of 21°C. At night, you can expect temperatures between 9°C and 12°C.

Looking for great weather? January is a good time to be in National City. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for National City, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 30°C in 2021, National City reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 12°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 17°C.

Rainfall amount

In January, there is an average of 42 mm of precipitation, spread over 7 days. The wind speed is around 3 Bft, mostly coming from the West.

Daily weather in January for National City

Click on any day in January to get detailed info about the usual weather on that day in National City. Check out the historical temperatures and precipitation over the past 10 years on this day.

January weather comparison

  National City New York
Average temperature 19°C 5°C
Max. temperature 21°C 11°C
Min. temperature 9°C -5°C
Total precipitation 42 mm 97 mm
Rainy days 7 days 12 days

Start of January

The month of January starts in National City with mild temps, averaging around 19°C during the day and nights around 11°C.

Mid January

By mid-January, daytime temps rise to around 20°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of January

By the end of January, the average daytime temperature in National City is around 20°C, while nighttime temps are about 11°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable trips to National City

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of National City for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in January in National City, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in January in National City

Temperature in January in National City over the years

Precipitation charts

These charts show the average amount of precipitation in January in National City, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in January in National City

Total precipitation in January in National City over the years

Daily UV index in January in National City

This chart shows the average daily UV index in January in National City, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in January in National City

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Average weather in National City by month

Click on a month below to see detailed weather info for National City. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.