San Diego Weather in August

August is one of the excellent months to visit San Diego, with daytime temperatures of 26°C (79°F) and lows of 19°C (66°F) at night. Rainfall is minimal, averaging just 0.6 mm (0.02 in) for the month.

Rainfall in San Diego in August

You can expect rain on roughly a single day based on historical data, averaging 0.6 mm (0.02 in) for the month. Any rain that does arrive is likely to be light drizzle rather than a proper shower.

Temperature in San Diego in August

August tends to be one of the excellent months in San Diego, with 26°C (79°F) in the afternoon and 19°C (66°F) overnight. This kind of day-to-night contrast is typical for this time of year. 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 San Diego in August

The days are predominantly sunny, with an estimated total of around 295 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July, August, September, October and November typically offer the best circumstances for San Diego.