Climate in Cajamarca, Peru

Cajamarca, Peru has a desert climate. The annual average temperature is about 29.7°C and the city receives roughly 149 mm of precipitation across 16 rainy days a year, with around 3583 hours of sunshine. The warmest month is Jan (highs near 40.3°C) and the coldest is Jul (lows near 19°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Cajamarca is classified as Desert. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Cajamarca receives about 149 mm of precipitation a year over roughly 16 rainy days. The wettest month is Jun and the driest is Jan.

Cajamarca sees an estimated 3583 hours of sunshine a year, concentrated in the warmer months around Jan.

By temperature and rainfall, the most comfortable months in Cajamarca are Jul, Jun, Aug. Conditions vary year to year — verify with a current forecast before booking.

Cajamarca has a climate comfort score of 46/100, a moderate year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.