San Jose Weather in May

May in San Jose brings high temperatures, with daytime highs of 23°C (73°F) and nights around 11°C (52°F). Only 5.1 mm (0.2 in) of rainfall is typical, making it a largely dry month.

Rainfall in San Jose in May

You can expect rain on roughly 3 days based on historical data, averaging 5.1 mm (0.2 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in San Jose in May

If you're visiting San Jose in May, expect excellent temperatures with highs of 23°C (73°F) and overnight lows of 11°C (52°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in San Jose in May

The month enjoys around 324 hours of sunshine, creating mostly sunny days with good weather conditions.

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