San Jose Weather in August

August in San Jose sees daytime temperatures around 31°C (88°F) and lows of 25°C (77°F) at night. The excellent weather makes it a good time to visit.

Rainfall in San Jose in August

You can expect rain on around 4 days based on historical patterns, with 16 mm (0.6 in) average for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in San Jose in August

San Jose has excellent weather in August, with days reaching 31°C (88°F) and nights cooling to 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.

Sunshine in San Jose in August

With approximately 304 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Average water temperature in August

The water temperature is 26°C (79°F), which most people find very comfortable. A good month for swimming and water sports.

If you prefer dry days with pleasant temperatures, March, April, May, June, September, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.