Weather is probably a major factor when you plan your trip to San Pedro Pinula, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May, with an average temperature of 25°C, while the coldest months are January and December, with an average of 22°C. The rainiest months in San Pedro Pinula are June, September, July and August, with each month seeing an average of 282 mm of rainfall.