San Martin, in Piura, Peru, is home to roughly 130,000 people in the America/Lima time zone at 5.2°S latitude.
Recent weather here gives a sense of typical conditions: in 2025, San Martin recorded a mean annual temperature of 76°F, ranging from 61°F lows in September to 99°F highs in March, with about 12 inches of precipitation across the year.
View historical weather for San Martin · More cities in Piura