Climate in Arequipa, Peru

Arequipa, Peru has a desert climate. The annual average temperature is about 28.2°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 40.2°C) and the coldest is Jul (lows near 16.2°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.

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

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

Arequipa 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 Arequipa are Jul, Jun, Aug. Conditions vary year to year — verify with a current forecast before booking.

Arequipa has a climate comfort score of 45/100, 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.