National City

What is the climate like in National City?

The best time to visit National City is typically April – November, with trip comfort peaking in August (9.0/10). National City is warmest in August, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 48°F (9°C). The wettest month is typically March and the driest is July; the year sees roughly 14 in (351 mm) of precipitation.

• Best time to visitApril – November — comfort peaks in August (9.0/10)
• Warmest monthAugust — average high 82°F (28°C)
• Coolest monthJanuary — average low 48°F (9°C)
• Wettest monthMarch (2.7 in (68 mm))
• Driest monthJuly (0.1 in (2 mm))
• Annual precipitation14 in (351 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromChula Vista, 4 km away (1918-2026)