San Isidro Weather in December

In San Isidro, December brings high daytime temperatures around 24°C (75°F), with nights cooling to 16°C (61°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in San Isidro in December

As part of the rainy season, San Isidro sees around 16 days of rain in December, with an average of 249 mm (9.8 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.

Temperature in San Isidro in December

In December, San Isidro sees high temperatures, with highs of 24°C (75°F). Nights drop to around 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 16°C (61°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 December

Enjoy a sunny month with about 249 hours of sunshine, even though this month falls in the wet season. There is still enough sun to enjoy the outdoors.

Should you favor a climate that's both dry and comfortably warm, January, February and March typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.