San José Weather in May

May in San José brings moderate temperatures, with highs of 13°C (55°F) and nights dropping to 1°C (34°F). Rainfall is on the higher side this month, averaging around 86 mm (3.4 in), so keep a rain jacket handy.

Rainfall in San José in May

Historically, approximately 3 days this month are expected to have rain, averaging 86 mm (3.4 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in San José in May

If you're visiting San José in May, expect highs of 13°C (55°F) and overnight lows around 1°C (34°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 1°C (34°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in San José in May

The month experiences a moderate amount of sunlight, with 185 hours of sunshine. This provides a nice balance between sunshine and clouds.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, November and December typically offer the best circumstances for San José.