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National City Weather in August

August in National City typically sees daytime highs of 26°C (79°F) and nighttime lows of 19°C (66°F). Minimal rainfall is typical for this month.

Rainfall in National City in August

Based on our climate data of the past 30 years, about 0 days of rain are anticipated, with 0.4 mm (0.02 in) on average. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in National City in August

National City in August has excellent weather. Days reach 26°C (79°F) and nights cool to 19°C (66°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in National City in August

There are approximately 295 hours of sunshine this month, resulting in mostly clear days.

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.

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Check the conditions for any month of the year.

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

National City Temperature in August

Min TemperatureMin Temperature 19°C (66°F)  
Max TemperatureMax Temperature 26°C (79°F)  
Chance of RainChance of Rain 1%  
PrecipitationPrecipitation 0.4 mm (0.02 in)  
Rainy daysRainy days 0 days  
HumidityHumidity 74% *  
SunshineSunshine 295 hours *  
Percentage SunshinePercentage Sunshine 71% *  
* Data from: San Diego, the United States of America (6 KM, 4 Miles).

Best Places in the United States of America in August

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 August →

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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 (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 August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in National City in August

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

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Select a Month

Check the conditions for any month of the year.

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

More climate data for National City