Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
National City Weather in January
Thinking of visiting National City in January? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 9°C (48°F) at night, with some rainfall likely.
Rainfall in National City in January
You can typically expect 5 days of rain this month, averaging around 35 mm (1.4 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in National City in January
The temperature in National City in January is excellent. Daytime highs reach 20°C (68°F), with nights dropping to 9°C (48°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in National City in January
The month enjoys around 240 hours of sunshine, creating mostly sunny days with good weather conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July, August, September, October and November typically offer the best weather for National City.
National City Temperature in January
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
18%
Precipitation
35 mm (1.4 in)
Rainy days
5 days
Humidity
64% *
Sunshine
240 hours *
Percentage Sunshine
75% *
* Data from: San Diego, the United States of America (6 KM, 4 Miles).
National City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in National City - and find the best time to visit.
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in National City in January
Pleasant temperatures in January mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in National City in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping5/10 -
Outdoor sports10/10
National City 3-Day Forecast
More climate data for National City
Temperature Rainfall Sunshine Humidity
See the full National City climate overview or explore weather in the United States of America.
Popular in January
Where to go in January - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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