National City, CA Weather & Climate Normals
National City's real weather, in one number
National City, CA scores 93/100 on this site's reading of NOAA's own 30-year normals: very mild year-round. Many months fall in a comfortable temperature range with limited snow or seasonal extremes. 12 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
National City's hottest and coldest months
National City's hottest month is Aug, averaging 71°F; its coldest is Dec, averaging 56°F, a 15.1°F swing across the year, one of the smaller gaps in this dataset.
Rain and snow in National City
National City averages 9.2in of precipitation a year across roughly 33 days with measurable rain or snow, and 0in of snow a year.
Where National City ranks
National City ranks 54 of 4876 US cities in this dataset for comfort score, and 54 of 429 within CA. About 58,460 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from CHULA VISTA, CA US, 1.9 miles from National City, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station