Climate in Juliaca, Peru

Juliaca, Peru has a desert climate. The annual average temperature is about 28.4°C, with around 3587 hours of sunshine; the national rainfall baseline is roughly 149 mm across 16 rainy days a year. The warmest month is Jan (highs near 40.2°C) and the coldest is Jul (lows near 16.5°C). These are deterministic planning estimates, not a forecast or measured station data. Temperature and sunshine follow the city's latitude; rainfall and the climate zone come from a country-level baseline that every city in the country shares (refined by region in the United States, Canada and Australia), so they do not show local differences. Check current conditions with an official meteorological service before travel.

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

Juliaca is classified as Desert. The classification combines the city’s own temperature range, which follows its latitude, with a rainfall pattern taken at country level for Peru — so cities in the same country usually share a zone.

The rainfall baseline for Peru is about 149 mm a year over roughly 16 rainy days, with the wettest month Jun and the driest Jan. This figure is not specific to Juliaca: every city in Peru carries the same baseline, so it will not show the difference between, say, a dry inland city and a wet coastal one. Use an official meteorological service for local rainfall.

Juliaca sees an estimated 3587 hours of sunshine a year, concentrated in the warmer months around Jan.

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

Juliaca 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.