San Juan Evangelista's climate is characterized by mild winters and hot summers. The coolest months are January and February, with average temperatures around 25°C, while the warmest months are March to May, with averages ranging from 27-30°C. June to August sees a slight drop in temperature, averaging around 29-30°C, before rising again in September and October. November marks the start of a cooler period, with December being one of the coolest months, averaging around 24°C. The summer months bring temperatures above 35°C, while winter months are generally more moderate.