San Isidro Weather in May

May in San Isidro typically sees daytime highs of 19°C (66°F) and nighttime lows of 12°C (54°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in San Isidro in May

Climate statistics over the past 30 years suggest around 7 days of rain, with 75 mm (3 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in San Isidro in May

In May, San Isidro sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Isidro in May

The area enjoys a balanced 167 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you prefer enjoying temperate temperatures and rain-free days, January, November and December 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.